[INFO] cloning repository https://github.com/PanNinan/rust-kvdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PanNinan/rust-kvdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPanNinan%2Frust-kvdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPanNinan%2Frust-kvdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0505d475448ea39362d0d237be7a226134ecfd01
[INFO] testing PanNinan/rust-kvdb against 1.97.0-beta.6 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPanNinan%2Frust-kvdb" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PanNinan/rust-kvdb
[INFO] finished tweaking git repo https://github.com/PanNinan/rust-kvdb
[INFO] tweaked toml for git repo https://github.com/PanNinan/rust-kvdb written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PanNinan/rust-kvdb on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PanNinan/rust-kvdb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 253e7f87323923cd0b71a8dfd59b73d84db115c3b876d8f92cf666f56eca7b9a
[INFO] running `Command { std: "docker" "start" "253e7f87323923cd0b71a8dfd59b73d84db115c3b876d8f92cf666f56eca7b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "253e7f87323923cd0b71a8dfd59b73d84db115c3b876d8f92cf666f56eca7b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "253e7f87323923cd0b71a8dfd59b73d84db115c3b876d8f92cf666f56eca7b9a" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "253e7f87323923cd0b71a8dfd59b73d84db115c3b876d8f92cf666f56eca7b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "253e7f87323923cd0b71a8dfd59b73d84db115c3b876d8f92cf666f56eca7b9a" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling bytes v1.12.0
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling log v0.4.33
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling smallvec v1.15.2
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling memchr v2.8.2
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling http v1.4.2
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling axum-core v0.4.5
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling hyper v1.10.1
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling axum v0.7.9
[INFO] [stderr]    Compiling kv-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.97s
[INFO] running `Command { std: "docker" "inspect" "253e7f87323923cd0b71a8dfd59b73d84db115c3b876d8f92cf666f56eca7b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "253e7f87323923cd0b71a8dfd59b73d84db115c3b876d8f92cf666f56eca7b9a" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.52
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling bitflags v2.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand v0.9.4
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling proptest v1.11.0
[INFO] [stderr]    Compiling kv-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Engine`
[INFO] [stdout]  --> tests/integration.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use kv_engine::{DB, Engine, Options, WriteBatch};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 24.11s
[INFO] running `Command { std: "docker" "inspect" "253e7f87323923cd0b71a8dfd59b73d84db115c3b876d8f92cf666f56eca7b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "253e7f87323923cd0b71a8dfd59b73d84db115c3b876d8f92cf666f56eca7b9a" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Engine`
[INFO] [stderr]  --> tests/integration.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use kv_engine::{DB, Engine, Options, WriteBatch};
[INFO] [stderr]   |                     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `kv-engine` (test "integration") generated 1 warning (run `cargo fix --test "integration" -p kv-engine` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kv_engine-670a6fea42a5b26c)
[INFO] [stdout] 
[INFO] [stdout] running 84 tests
[INFO] [stdout] test cache::block_cache::tests::cache_update_existing_key ... ok
[INFO] [stdout] test compaction::merge_iterator::tests::merge_deduplicates_first_source_wins ... ok
[INFO] [stdout] test cache::block_cache::tests::cache_hit_and_eviction ... ok
[INFO] [stdout] test cache::block_cache::tests::cache_lru_order ... ok
[INFO] [stdout] test compaction::merge_iterator::tests::merge_single_source ... ok
[INFO] [stdout] test compaction::merge_iterator::tests::merge_two_iterators ... ok
[INFO] [stdout] test compaction::merge_iterator::tests::merge_empty_sources ... ok
[INFO] [stdout] test engine::db_tests::db_open_with_options ... ok
[INFO] [stdout] test engine::tests::basic_put_get_delete ... ok
[INFO] [stdout] test engine::db_tests::db_metrics_tracking ... ok
[INFO] [stdout] test engine::tests::open_empty_dir_creates_db ... ok
[INFO] [stdout] test engine::tests::overwrite_preserves_latest ... ok
[INFO] [stdout] test engine::tests::prefix_scan_returns_matching_keys ... ok
[INFO] [stdout] test engine::tests::scan_excludes_tombstones ... ok
[INFO] [stdout] test engine::tests::writebatch_atomicity ... ok
[INFO] [stdout] test engine::tests::snapshot_read_consistency ... ok
[INFO] [stdout] test error::tests::display_checksum_mismatch ... ok
[INFO] [stdout] test error::tests::display_closed ... ok
[INFO] [stdout] test error::tests::display_corruption ... ok
[INFO] [stdout] test error::tests::display_io_error ... ok
[INFO] [stdout] test error::tests::display_key_not_found ... ok
[INFO] [stdout] test error::tests::io_error_from_conversion ... ok
[INFO] [stdout] test error::tests::io_error_source_chain ... ok
[INFO] [stdout] test error::tests::non_io_error_has_no_source ... ok
[INFO] [stdout] test error::tests::result_alias_works ... ok
[INFO] [stdout] test filter::bloom::tests::bloom_empty_set ... ok
[INFO] [stdout] test filter::bloom::tests::bloom_encode_decode_roundtrip ... ok
[INFO] [stdout] test engine::tests::writebatch_with_delete ... ok
[INFO] [stdout] test filter::bloom::tests::bloom_no_false_negatives ... ok
[INFO] [stdout] test manifest::tests::manifest_corrupted_magic ... ok
[INFO] [stdout] test manifest::tests::manifest_encode_decode_roundtrip ... ok
[INFO] [stdout] test manifest::tests::manifest_load_nonexistent_returns_empty ... ok
[INFO] [stdout] test manifest::tests::manifest_remove_sst ... ok
[INFO] [stdout] test manifest::tests::manifest_save_and_load ... ok
[INFO] [stdout] test memtable::memtable::tests::memtable_active_size_tracking ... ok
[INFO] [stdout] test memtable::memtable::tests::memtable_freeze_on_threshold ... ok
[INFO] [stdout] test memtable::memtable::tests::memtable_get_from_immutable ... ok
[INFO] [stdout] test memtable::memtable::tests::memtable_get_nonexistent ... ok
[INFO] [stdout] test memtable::memtable::tests::memtable_overwrite_key ... ok
[INFO] [stdout] test memtable::memtable::tests::memtable_put_and_get ... ok
[INFO] [stdout] test memtable::memtable::tests::memtable_scan_merges ... ok
[INFO] [stdout] test memtable::memtable::tests::memtable_take_immutable ... ok
[INFO] [stdout] test memtable::skiplist::tests::skiplist_empty_scan ... ok
[INFO] [stdout] test memtable::skiplist::tests::skiplist_get_nonexistent_returns_none ... ok
[INFO] [stdout] test memtable::skiplist::tests::skiplist_insert_and_get ... ok
[INFO] [stdout] test memtable::skiplist::tests::skiplist_ordering_is_sorted ... ok
[INFO] [stdout] test memtable::skiplist::tests::skiplist_scan_open_ended ... ok
[INFO] [stdout] test memtable::skiplist::tests::skiplist_scan_range ... ok
[INFO] [stdout] test memtable::skiplist::tests::skiplist_size_tracking ... ok
[INFO] [stdout] test memtable::skiplist::tests::skiplist_update_existing_key ... ok
[INFO] [stdout] test sstable::block::tests::block_empty_roundtrip ... ok
[INFO] [stdout] test sstable::block::tests::block_encode_decode_roundtrip ... ok
[INFO] [stdout] test sstable::block::tests::block_last_key ... ok
[INFO] [stdout] test sstable::block::tests::block_size_tracking ... ok
[INFO] [stdout] test sstable::builder::tests::builder_finish_writes_valid_footer ... ok
[INFO] [stdout] test sstable::builder::tests::sstable_build_multiple_blocks ... ok
[INFO] [stdout] test sstable::builder::tests::sstable_build_single_block ... ok
[INFO] [stdout] test sstable::reader::tests::bloom_filter_skips_index_for_missing_key ... ok
[INFO] [stdout] test sstable::reader::tests::sstable_build_and_read_single_block ... ok
[INFO] [stdout] test sstable::reader::tests::sstable_iterator_returns_sorted_entries ... ok
[INFO] [stdout] test sstable::reader::tests::sstable_multiple_data_blocks ... ok
[INFO] [stdout] test sstable::reader::tests::sstable_reader_open_nonexistent ... ok
[INFO] [stdout] test types::tests::key_from_slices ... ok
[INFO] [stdout] test types::tests::key_ordering ... ok
[INFO] [stdout] test types::tests::sequence_number_display ... ok
[INFO] [stdout] test types::tests::sequence_number_next ... ok
[INFO] [stdout] test types::tests::value_as_ref ... ok
[INFO] [stdout] test wal::record::tests::record_crc_detects_corruption ... ok
[INFO] [stdout] test wal::record::tests::record_delete_roundtrip ... ok
[INFO] [stdout] test wal::record::tests::record_roundtrip ... ok
[INFO] [stdout] test wal::record::tests::record_truncated_returns_error ... ok
[INFO] [stdout] test wal::writer::tests::wal_append_and_read_back ... ok
[INFO] [stdout] test wal::writer::tests::wal_crc_detects_corruption ... ok
[INFO] [stdout] test wal::writer::tests::wal_empty_file ... ok
[INFO] [stdout] test wal::writer::tests::wal_multiple_appends ... ok
[INFO] [stdout] test wal::writer::tests::wal_recovery_after_truncation ... ok
[INFO] [stdout] test write_batch::tests::writebatch_basic ... ok
[INFO] [stdout] test engine::tests::scan_returns_sorted_range ... ok
[INFO] [stdout] test engine::tests::reopen_recovers_from_wal ... ok
[INFO] [stdout] test engine::tests::repair_rebuilds_manifest ... ok
[INFO] [stdout] test filter::bloom::tests::bloom_false_positive_rate ... ok
[INFO] [stdout] test engine::tests::compaction_triggered_by_l0_threshold ... ok
[INFO] [stdout] test engine::db_tests::concurrent_writes_and_reads ... ok
[INFO] [stdout] test engine::tests::put_with_ttl_expires ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 84 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/cli.rs (/opt/rustwide/target/debug/deps/kv_cli-906bbe86741d60cb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/server.rs (/opt/rustwide/target/debug/deps/kv_server-d0c028e65845561b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-8be589b66b577eb1)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test basic_put_get_delete ... ok
[INFO] [stdout] test writebatch_atomicity ... ok
[INFO] [stdout] test snapshot_read_consistency ... ok
[INFO] [stdout] test scan_returns_sorted_range ... ok
[INFO] [stdout] test overwrite_and_compaction_preserves_latest ... ok
[INFO] [stdout] test concurrent_writes_never_lose_data ... ok
[INFO] [stdout] test reopen_recovers_from_wal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.68s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/property.rs (/opt/rustwide/target/debug/deps/property-8553b2490c2a46f2)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test memtable_never_loses_writes ... FAILED
[INFO] [stdout] test reopen_preserves_last_write ... FAILED
[INFO] [stdout] test delete_removes_key ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- memtable_never_loses_writes stdout ----
[INFO] [stdout] proptest: FileFailurePersistence::SourceParallel set, but failed to find lib.rs or main.rs
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7edf994 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:729:22
[INFO] [stdout]   33:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   34:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   35:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   36:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   37:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   38:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   39:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   42:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   43:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   44:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   47:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   49:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   51:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   52:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   53:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   57:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   58:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   59:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   60:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   61:     0x74ca69adca64 - clone
[INFO] [stdout]   62:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 208, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 229, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 50, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 21, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 103, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 128, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 121, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 159, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 215, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 42, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 80, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 248, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 95, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 83, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 225, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 172, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 144, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 111, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 29, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 189, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 47, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 186, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 26, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 116, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 191, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 189, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 62, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 38, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 159, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 69, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 160, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 199, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 10, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 56, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 73, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 181, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 170, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 145, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 184, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 117, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 255, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 185, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 200, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 3, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([103, 129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 65, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([129, 75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 79, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([75, 70, 225, 49])
[INFO] [stdout]  right: Some([1, 5, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([70, 225, 49])
[INFO] [stdout]  right: Some([1, 75, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([225, 49])
[INFO] [stdout]  right: Some([1, 73, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([49])
[INFO] [stdout]  right: Some([1, 33, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([])
[INFO] [stdout]  right: Some([1, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([])
[INFO] [stdout]  right: Some([1, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([])
[INFO] [stdout]  right: Some([1, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([])
[INFO] [stdout]  right: Some([1, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([])
[INFO] [stdout]  right: Some([1, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([])
[INFO] [stdout]  right: Some([1, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   53:     0x55d7b7f15722 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   54:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x55d7b7f15722 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   58:     0x55d7b7f15722 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   59:     0x55d7b803e90f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   60:     0x55d7b803e90f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   61:     0x74ca69a4faa4 - <unknown>
[INFO] [stdout]   62:     0x74ca69adca64 - clone
[INFO] [stdout]   63:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'memtable_never_loses_writes' (1048) panicked at tests/property.rs:31:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some([])
[INFO] [stdout]  right: Some([1, 43, 15, 103, 129, 75, 70, 225, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7b803f2b8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55d7b803f2b8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55d7b80550da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55d7b80550da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x55d7b8044192 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55d7b8044192 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55d7b801bf76 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55d7b801bf76 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55d7b8036b09 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55d7b7f11d4c - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x55d7b7f11d4c - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55d7b8036cc2 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x55d7b8036cc2 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55d7b801c032 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55d7b8010f39 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55d7b801cd4d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55d7b805589c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55d7b8055753 - core[8fb95b77d25ab6c8]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55d7b7eff459 - core[8fb95b77d25ab6c8]::panicking::assert_failed::<core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>, core[8fb95b77d25ab6c8]::option::Option<alloc[a7ee25936407c584]::vec::Vec<u8>>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55d7b7ef703a - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/property.rs:31:13
[INFO] [stdout]   22:     0x55d7b7efa34b - <&property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::Fn<(proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:263:22
[INFO] [stdout]   23:     0x55d7b7ef010c - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:56
[INFO] [stdout]   24:     0x55d7b7f046ac - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   25:     0x55d7b7ef49bc - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x55d7b7f04dab - __rust_try
[INFO] [stdout]   27:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x55d7b7efe733 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x55d7b7eef459 - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:258:16
[INFO] [stdout]   30:     0x55d7b7ef45af - proptest[50529e86a82392e3]::test_runner::scoped_panic_hook::internal::with_hook::<core[8fb95b77d25ab6c8]::result::Result<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>, alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::any::Any + core[8fb95b77d25ab6c8]::marker::Send>>, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#3}, proptest[50529e86a82392e3]::test_runner::runner::call_test<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>::{closure#4}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/scoped_panic_hook.rs:130:9
[INFO] [stdout]   31:     0x55d7b7eebfbd - proptest[50529e86a82392e3]::test_runner::runner::call_test::<proptest[50529e86a82392e3]::sugar::NamedArguments<&str, alloc[a7ee25936407c584]::vec::Vec<(alloc[a7ee25936407c584]::vec::Vec<u8>, alloc[a7ee25936407c584]::vec::Vec<u8>)>>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:256:9
[INFO] [stdout]   32:     0x55d7b7ee6978 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::shrink::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:856:30
[INFO] [stdout]   33:     0x55d7b7edfa78 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_one_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::tuple::TupleValueTree<(proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>, proptest[50529e86a82392e3]::collection::VecValueTree<proptest[50529e86a82392e3]::num::u8::BinarySearch>)>>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, &property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:743:22
[INFO] [stdout]   34:     0x55d7b7edddb2 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::gen_and_run_case::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:671:28
[INFO] [stdout]   35:     0x55d7b7ee2ad4 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process_with_replay::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}, alloc[a7ee25936407c584]::vec::into_iter::IntoIter<core[8fb95b77d25ab6c8]::result::Result<(), proptest[50529e86a82392e3]::test_runner::errors::TestCaseError>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:605:18
[INFO] [stdout]   36:     0x55d7b7edcebc - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run_in_process::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:575:14
[INFO] [stdout]   37:     0x55d7b7ee4c36 - <proptest[50529e86a82392e3]::test_runner::runner::TestRunner>::run::<proptest[50529e86a82392e3]::strategy::map::Map<proptest[50529e86a82392e3]::collection::VecStrategy<(proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>, proptest[50529e86a82392e3]::collection::VecStrategy<proptest[50529e86a82392e3]::num::u8::Any>)>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}>, property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#1}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/test_runner/runner.rs:418:18
[INFO] [stdout]   38:     0x55d7b7ef882b - property[3ab80ac2acb9b21c]::memtable_never_loses_writes
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:163:17
[INFO] [stdout]   39:     0x55d7b7ef5eb7 - property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.11.0/src/sugar.rs:159:28
[INFO] [stdout]   40:     0x55d7b7f04cd6 - <property[3ab80ac2acb9b21c]::memtable_never_loses_writes::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55d7b7f04e2b - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7b7f04e2b - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   43:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   44:     0x55d7b7f126a5 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   45:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x55d7b7f126a5 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   49:     0x55d7b7f126a5 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   50:     0x55d7b7f0bfb4 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   51:     0x55d7b7f0bfb4 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   52:     0x55d7b7f15722 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[WARN] too many lines in the log, truncating it
