[INFO] cloning repository https://github.com/surrealdb/ferntree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/surrealdb/ferntree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurrealdb%2Fferntree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurrealdb%2Fferntree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aadcb70f84974faf33f6ddba217081f3edc70b5c
[INFO] testing surrealdb/ferntree against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurrealdb%2Fferntree" "/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/surrealdb/ferntree
[INFO] finished tweaking git repo https://github.com/surrealdb/ferntree
[INFO] tweaked toml for git repo https://github.com/surrealdb/ferntree written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/surrealdb/ferntree on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/surrealdb/ferntree 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.8.1
[INFO] [stderr]   Downloaded page_size v0.6.0
[INFO] [stderr]   Downloaded criterion v0.8.1
[INFO] [stderr]   Downloaded alloca v0.4.0
[INFO] [stderr]   Downloaded clap v4.5.56
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.37
[INFO] [stderr]   Downloaded clap_builder v4.5.56
[INFO] [stderr]   Downloaded zerocopy v0.8.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37176467bbb5b92d6f3ad3c96c9206e0c76450502840ee89352f90c0af44ec73
[INFO] running `Command { std: "docker" "start" "-a" "37176467bbb5b92d6f3ad3c96c9206e0c76450502840ee89352f90c0af44ec73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37176467bbb5b92d6f3ad3c96c9206e0c76450502840ee89352f90c0af44ec73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37176467bbb5b92d6f3ad3c96c9206e0c76450502840ee89352f90c0af44ec73", kill_on_drop: false }`
[INFO] [stdout] 37176467bbb5b92d6f3ad3c96c9206e0c76450502840ee89352f90c0af44ec73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f7e8e070cfccd75346a977fe87e36a3bb53f0fc2e9293d562fc9686c79f4878
[INFO] running `Command { std: "docker" "start" "-a" "1f7e8e070cfccd75346a977fe87e36a3bb53f0fc2e9293d562fc9686c79f4878", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling ferntree v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "1f7e8e070cfccd75346a977fe87e36a3bb53f0fc2e9293d562fc9686c79f4878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7e8e070cfccd75346a977fe87e36a3bb53f0fc2e9293d562fc9686c79f4878", kill_on_drop: false }`
[INFO] [stdout] 1f7e8e070cfccd75346a977fe87e36a3bb53f0fc2e9293d562fc9686c79f4878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9453f4f3b5794fbf382fff42a85d46e3c8664e5fdcda9da0ef7e508c317eac56
[INFO] running `Command { std: "docker" "start" "-a" "9453f4f3b5794fbf382fff42a85d46e3c8664e5fdcda9da0ef7e508c317eac56", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling zerocopy v0.8.37
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zmij v1.0.19
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling cc v1.2.55
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling clap_lex v0.7.7
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling clap_builder v4.5.56
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling criterion-plot v0.8.1
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling generator v0.8.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam-skiplist v0.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling tempfile v3.24.0
[INFO] [stderr]    Compiling clap v4.5.56
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling zerocopy-derive v0.8.37
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling ferntree v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling loom v0.7.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling proptest v1.9.0
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.8.1
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 31.13s
[INFO] running `Command { std: "docker" "inspect" "9453f4f3b5794fbf382fff42a85d46e3c8664e5fdcda9da0ef7e508c317eac56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9453f4f3b5794fbf382fff42a85d46e3c8664e5fdcda9da0ef7e508c317eac56", kill_on_drop: false }`
[INFO] [stdout] 9453f4f3b5794fbf382fff42a85d46e3c8664e5fdcda9da0ef7e508c317eac56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6cd410acf6ddca511f78e3dc121299923865308fa5b33f4eea4a7bb941170bb6
[INFO] running `Command { std: "docker" "start" "-a" "6cd410acf6ddca511f78e3dc121299923865308fa5b33f4eea4a7bb941170bb6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stdout] 
[INFO] [stdout] running 264 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ferntree-977812dc0cacd0dc)
[INFO] [stdout] test alloc::tests::test_reset_counters ... ignored, requires TrackingAllocator to be set as global allocator
[INFO] [stdout] test alloc::tests::test_tracking_allocator_basic ... ignored, requires TrackingAllocator to be set as global allocator
[INFO] [stdout] test atomic_slot::tests::boxed_slot_load_into_returns_box_borrow ... ok
[INFO] [stdout] test atomic_slot::tests::optimistic_option_lifecycle ... ok
[INFO] [stdout] test atomic_slot::tests::slot_array_raw_projection ... ok
[INFO] [stdout] test atomic_slot::tests::slot_array_shift_insert_remove ... ok
[INFO] [stdout] test inline_vec::tests::deref_slice_apis ... ok
[INFO] [stdout] test inline_vec::tests::drain_full ... ok
[INFO] [stdout] test atomic_slot::tests::atomic_len_basics ... ok
[INFO] [stdout] test atomic_slot::tests::inline_slot_i32_negative ... ok
[INFO] [stdout] test atomic_slot::tests::slot_array_concurrent_shift_vs_load_raw ... ok
[INFO] [stdout] test atomic_slot::tests::unit_slot_load_into_returns_unit ... ok
[INFO] [stdout] test inline_vec::tests::drop_runs_for_initialised_elements_only ... ok
[INFO] [stdout] test atomic_slot::tests::atomic_len_concurrent_writers_readers ... ok
[INFO] [stdout] test inline_vec::tests::push_pop_len ... ok
[INFO] [stdout] test inline_vec::tests::insert_remove ... ok
[INFO] [stdout] test inline_vec::tests::insert_at_end ... ok
[INFO] [stdout] test inline_vec::tests::raw_accessors_match_safe_accessors ... ok
[INFO] [stdout] test iter::tests::bidirectional_from_end ... ok
[INFO] [stdout] test iter::tests::cursor_peek_tests::peek_next_pos_after_second_to_last ... ok
[INFO] [stdout] test iter::tests::bidirectional_next_prev_consistency ... ok
[INFO] [stdout] test iter::tests::cursor_peek_tests::peek_next_pos_after_last ... ok
[INFO] [stdout] test iter::tests::cursor_peek_tests::peek_next_pos_after_start ... ok
[INFO] [stdout] test iter::tests::cursor_peek_tests::peek_next_pos_before_end ... ok
[INFO] [stdout] test iter::tests::cursor_peek_tests::peek_next_pos_before_middle ... ok
[INFO] [stdout] test iter::tests::cursor_peek_tests::peek_prev_pos_before_middle ... ok
[INFO] [stdout] test iter::tests::cursor_peek_tests::peek_prev_pos_before_start ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_alternating_next_prev ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_next_from_after_last ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_next_from_after_middle ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_next_from_after_second_to_last ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_next_from_after_start ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_next_from_before_last ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_next_from_before_middle ... ok
[INFO] [stdout] test atomic_slot::tests::inline_slot_u64_roundtrip ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_next_from_before_past_end ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_next_from_before_start ... ok
[INFO] [stdout] test atomic_slot::tests::boxed_slot_drops_on_destruction ... ok
[INFO] [stdout] test iter::tests::cursor_peek_tests::peek_next_pos_before_start ... ok
[INFO] [stdout] test atomic_slot::tests::inline_slot_load_into_returns_buffer_borrow ... ok
[INFO] [stdout] test iter::tests::cursor_peek_tests::peek_prev_pos_after_middle ... ok
[INFO] [stdout] test atomic_slot::tests::inline_slot_concurrent_swap_vs_load ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_prev_from_after_zero ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_prev_from_before_middle ... ok
[INFO] [stdout] test iter::tests::cursor_peek_tests::peek_prev_pos_after_start ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_prev_from_after_middle ... ok
[INFO] [stdout] test atomic_slot::tests::boxed_slot_concurrent_load_after_store ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_prev_from_after_one ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_prev_from_before_one ... ok
[INFO] [stdout] test iter::tests::bidirectional_from_start ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_prev_from_before_two ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_prev_from_before_zero ... ok
[INFO] [stdout] test iter::tests::exclusive_iter_can_modify_values ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_prev_then_next_returns_same ... ok
[INFO] [stdout] test iter::tests::exclusive_iter_insert ... ok
[INFO] [stdout] test iter::tests::exclusive_iter_insert_updates_existing ... ok
[INFO] [stdout] test iter::tests::exclusive_iter_remove ... ok
[INFO] [stdout] test atomic_slot::tests::boxed_slot_concurrent_swap_with_deferred_drop ... ok
[INFO] [stdout] test atomic_slot::tests::optimistic_option_concurrent_replace_vs_load ... ok
[INFO] [stdout] test iter::tests::exclusive_iter_remove_nonexistent ... ok
[INFO] [stdout] test iter::tests::for_each_in_leaf_after_next ... ok
[INFO] [stdout] test iter::tests::for_each_in_leaf_processes_all_entries ... ok
[INFO] [stdout] test iter::tests::for_each_in_leaf_unpositioned_iterator ... ok
[INFO] [stdout] test iter::tests::forward_then_full_reverse ... ok
[INFO] [stdout] test iter::tests::for_each_in_leaf_respects_cursor_position ... ok
[INFO] [stdout] test iter::tests::iter_empty_tree_prev_returns_none ... ok
[INFO] [stdout] test iter::tests::iter_mut_empty_tree_next_returns_none ... ok
[INFO] [stdout] test iter::tests::iter_mut_empty_tree_prev_returns_none ... ok
[INFO] [stdout] test iter::tests::iter_single_element_backward ... ok
[INFO] [stdout] test iter::tests::for_each_in_leaf_crosses_multiple_leaves ... ok
[INFO] [stdout] test iter::tests::full_reverse_iteration ... ok
[INFO] [stdout] test iter::tests::iter_single_element_forward ... ok
[INFO] [stdout] test iter::tests::full_forward_iteration ... ok
[INFO] [stdout] test iter::tests::for_each_in_leaf_empty_after_exhausted ... ok
[INFO] [stdout] test iter::tests::peek_at_leaf_boundary ... ok
[INFO] [stdout] test iter::tests::peek_empty_tree ... ok
[INFO] [stdout] test iter::tests::for_each_in_leaf_mut_can_modify_values ... ok
[INFO] [stdout] test iter::tests::peek_does_not_advance ... ok
[INFO] [stdout] test iter::tests::iter_empty_tree_next_returns_none ... ok
[INFO] [stdout] test iter::tests::peek_from_middle ... ok
[INFO] [stdout] test iter::tests::iter_with_string_keys ... ok
[INFO] [stdout] test iter::tests::peek_mut_allows_modification ... ok
[INFO] [stdout] test iter::tests::peek_prev_does_not_advance ... ok
[INFO] [stdout] test iter::tests::peek_mut_does_not_advance ... ok
[INFO] [stdout] test iter::tests::peek_prev_returns_same_as_prev ... ok
[INFO] [stdout] test iter::tests::range_peek_empty_range ... ok
[INFO] [stdout] test iter::tests::iteration_crosses_leaf_boundaries_forward ... ok
[INFO] [stdout] test iter::tests::peek_then_next_returns_same ... ok
[INFO] [stdout] test iter::tests::range_peek_within_bounds ... ok
[INFO] [stdout] test iter::tests::range_rev_peek_empty_range ... ok
[INFO] [stdout] test iter::tests::range_rev_peek_respects_lower_bound ... ok
[INFO] [stdout] test iter::tests::iteration_crosses_leaf_boundaries_reverse ... ok
[INFO] [stdout] test iter::tests::peek_prev_empty_tree ... ok
[INFO] [stdout] test iter::tests::range_rev_peek_within_bounds ... ok
[INFO] [stdout] test iter::tests::seek_after_last_key ... ok
[INFO] [stdout] test iter::tests::seek_exact_returns_true_for_existing ... ok
[INFO] [stdout] test iter::tests::seek_exact_returns_false_for_nonexisting ... ok
[INFO] [stdout] test iter::tests::peek_prev_then_prev_returns_same ... ok
[INFO] [stdout] test iter::tests::reverse_from_middle ... ok
[INFO] [stdout] test iter::tests::seek_for_prev_before_first_key ... ok
[INFO] [stdout] test iter::tests::seek_for_prev_after_all_keys ... ok
[INFO] [stdout] test iter::tests::range_peek_respects_upper_bound ... ok
[INFO] [stdout] test iter::tests::seek_for_prev_before_all_keys ... ok
[INFO] [stdout] test iter::tests::seek_for_prev_middle_gap ... ok
[INFO] [stdout] test iter::tests::seek_for_prev_mut_middle_gap ... ok
[INFO] [stdout] test iter::tests::seek_for_prev_nonexisting_key ... ok
[INFO] [stdout] test iter::tests::seek_for_prev_existing_key ... ok
[INFO] [stdout] test iter::tests::seek_for_prev_mut_after_all_keys ... ok
[INFO] [stdout] test iter::tests::seek_to_existing_key ... ok
[INFO] [stdout] test iter::tests::seek_reuses_current_leaf_when_within_bounds ... ok
[INFO] [stdout] test iter::tests::seek_with_string_borrow ... ok
[INFO] [stdout] test latch::tests::as_mut_provides_direct_access ... ok
[INFO] [stdout] test latch::tests::exclusive_deref_mut_works ... ok
[INFO] [stdout] test latch::tests::exclusive_lock_makes_version_odd ... ok
[INFO] [stdout] test iter::tests::mixed_next_and_prev ... ok
[INFO] [stdout] test latch::tests::exclusive_lock_provides_write_access ... ok
[INFO] [stdout] test latch::tests::exclusive_unlock_makes_version_even ... ok
[INFO] [stdout] test latch::tests::exclusive_unlock_returns_optimistic_with_new_version ... ok
[INFO] [stdout] test latch::tests::hybrid_guard_trait_works_for_shared ... ok
[INFO] [stdout] test latch::tests::latch_with_complex_type ... ok
[INFO] [stdout] test latch::tests::latch_with_zero_sized_type ... ok
[INFO] [stdout] test latch::tests::multiple_exclusive_locks_increment_version ... ok
[INFO] [stdout] test latch::tests::hybrid_guard_trait_works_for_exclusive ... ok
[INFO] [stdout] test latch::tests::multiple_shared_locks_allowed ... ok
[INFO] [stdout] test latch::tests::optimistic_captures_correct_version ... ok
[INFO] [stdout] test latch::tests::optimistic_or_exclusive_returns_optimistic_when_unlocked ... ok
[INFO] [stdout] test latch::tests::optimistic_or_unwind_returns_optimistic_when_unlocked ... ok
[INFO] [stdout] test latch::tests::optimistic_recheck_fails_after_write ... ok
[INFO] [stdout] test latch::tests::optimistic_recheck_fails_during_write ... ok
[INFO] [stdout] test latch::tests::optimistic_recheck_succeeds_without_write ... ok
[INFO] [stdout] test latch::tests::shared_lock_provides_read_access ... ok
[INFO] [stdout] test latch::tests::shared_recheck_always_succeeds ... ok
[INFO] [stdout] test latch::tests::shared_unlock_returns_optimistic_with_same_version ... ok
[INFO] [stdout] test latch::tests::to_exclusive_fails_after_write ... ok
[INFO] [stdout] test latch::tests::to_exclusive_increments_version ... ok
[INFO] [stdout] test latch::tests::to_exclusive_succeeds_without_contention ... ok
[INFO] [stdout] test latch::tests::to_shared_fails_after_write ... ok
[INFO] [stdout] test latch::tests::to_shared_succeeds_without_contention ... ok
[INFO] [stdout] test latch::tests::version_starts_at_zero ... ok
[INFO] [stdout] test leaf_binary_search_load_into::leaf_lower_bound_load_into_smoke ... ok
[INFO] [stdout] test latch::tests::hybrid_guard_trait_works_for_optimistic ... ok
[INFO] [stdout] test node_layout::internal_node_is_cache_line_aligned ... ok
[INFO] [stdout] test tests::basic_insert_and_lookup ... ok
[INFO] [stdout] test node_layout::leaf_node_is_cache_line_aligned ... ok
[INFO] [stdout] test atomic_slot::tests::optimistic_option_raw_load ... ok
[INFO] [stdout] test iter::tests::seek_for_prev_empty_tree ... ok
[INFO] [stdout] test iter::tests::seek_before_first_key ... ok
[INFO] [stdout] test tests::clear_empties_tree ... ok
[INFO] [stdout] test tests::clear_empty_tree ... ok
[INFO] [stdout] test atomic_slot::tests::boxed_slot_arc_roundtrip ... ok
[INFO] [stdout] test tests::clear_maintains_invariants ... ok
[INFO] [stdout] test inline_vec::tests::drain_middle ... ok
[INFO] [stdout] test inline_vec::tests::drain_unconsumed_drops_elements_and_shifts ... ok
[INFO] [stdout] test tests::clear_then_insert ... ok
[INFO] [stdout] test iter::tests::seek_for_prev_mut_before_all_keys ... ok
[INFO] [stdout] test raw_shared_iter_load_into::raw_shared_iter_string_kv_no_clone ... ok
[INFO] [stdout] test iter::tests::seek_to_nonexisting_key ... ok
[INFO] [stdout] test iter::tests::seek_to_first_positions_at_beginning ... ok
[INFO] [stdout] test iter::tests::seek_for_prev_mut_empty_tree ... ok
[INFO] [stdout] test iter::tests::seek_to_last_positions_at_end ... ok
[INFO] [stdout] test tests::contains_key_returns_false_for_missing ... ok
[INFO] [stdout] test tests::duplicate_inserts_update_value ... ok
[INFO] [stdout] test tests::delete_in_reverse_order ... ok
[INFO] [stdout] test tests::first_empty_tree ... ok
[INFO] [stdout] test tests::delete_random_order ... ok
[INFO] [stdout] test tests::delete_all_entries ... ok
[INFO] [stdout] test tests::first_single_entry ... ok
[INFO] [stdout] test tests::first_returns_minimum ... ok
[INFO] [stdout] test tests::empty_tree_lookup ... ok
[INFO] [stdout] test tests::contains_key_empty_tree ... ok
[INFO] [stdout] test tests::get_or_insert_existing_key ... ok
[INFO] [stdout] test tests::get_or_insert_multiple_operations ... ok
[INFO] [stdout] test tests::get_or_insert_new_key ... ok
[INFO] [stdout] test tests::get_empty_tree ... ok
[INFO] [stdout] test tests::insert_update ... ok
[INFO] [stdout] test tests::interleaved_insert_and_delete ... ok
[INFO] [stdout] test tests::inserts_cause_splits_and_height_increase ... ok
[INFO] [stdout] test tests::internal_has_space ... ok
[INFO] [stdout] test tests::internal_is_underfull ... ok
[INFO] [stdout] test tests::internal_lower_bound_empty ... ok
[INFO] [stdout] test tests::internal_lower_bound_finds_correct_child ... ok
[INFO] [stdout] test tests::internal_sample_key_initially_none ... ok
[INFO] [stdout] test tests::keys_basic ... ok
[INFO] [stdout] test iter::tests::peek_returns_same_as_next ... ok
[INFO] [stdout] test tests::get_or_insert_triggers_split ... ok
[INFO] [stdout] test tests::epoch_deferred_drop_basic ... ok
[INFO] [stdout] test tests::keys_empty_tree ... ok
[INFO] [stdout] test tests::last_empty_tree ... ok
[INFO] [stdout] test tests::large_values ... ok
[INFO] [stdout] test tests::last_multilevel_tree ... ok
[INFO] [stdout] test tests::last_returns_maximum ... ok
[INFO] [stdout] test tests::last_single_entry ... ok
[INFO] [stdout] test tests::leaf_has_space ... ok
[INFO] [stdout] test tests::leaf_insert_at_and_remove_at ... ok
[INFO] [stdout] test tests::leaf_lower_bound_after_all ... ok
[INFO] [stdout] test tests::leaf_lower_bound_before_all ... ok
[INFO] [stdout] test tests::leaf_lower_bound_between_keys ... ok
[INFO] [stdout] test tests::leaf_lower_bound_empty ... ok
[INFO] [stdout] test tests::empty_tree_remove ... ok
[INFO] [stdout] test tests::leaf_lower_bound_respects_upper_fence ... ok
[INFO] [stdout] test tests::leaf_merge_combines_entries ... ok
[INFO] [stdout] test tests::leaf_merge_fails_when_too_full ... ok
[INFO] [stdout] test tests::leaf_sample_key_initially_none ... ok
[INFO] [stdout] test tests::leaf_split_sets_fences_correctly ... ok
[INFO] [stdout] test tests::leaf_within_bounds ... ok
[INFO] [stdout] test tests::leaf_within_bounds_no_fences ... ok
[INFO] [stdout] test tests::leaf_within_bounds_no_lower_fence ... ok
[INFO] [stdout] test tests::leaf_within_bounds_no_upper_fence ... ok
[INFO] [stdout] test tests::len_and_is_empty ... ok
[INFO] [stdout] test tests::lookup_with_borrowed_key ... ok
[INFO] [stdout] test tests::many_inserts_cause_multiple_levels ... ok
[INFO] [stdout] test tests::new_tree_has_height_one ... ok
[INFO] [stdout] test tests::node_can_merge_with_same_type ... ok
[INFO] [stdout] test tests::node_cannot_merge_with_different_type ... ok
[INFO] [stdout] test tests::node_is_leaf ... ok
[INFO] [stdout] test tests::node_keys_returns_keys ... ok
[INFO] [stdout] test tests::empty_string_key ... ok
[INFO] [stdout] test tests::leaf_is_underfull ... ok
[INFO] [stdout] test tests::optimistic_lookup_basic ... ok
[INFO] [stdout] test tests::pop_first_empty_tree ... ok
[INFO] [stdout] test tests::pop_first_returns_minimum ... ok
[INFO] [stdout] test tests::pop_last_empty_tree ... ok
[INFO] [stdout] test tests::pop_last_returns_maximum ... ok
[INFO] [stdout] test tests::random_insertion_order ... ok
[INFO] [stdout] test tests::range_excluded_bounds ... ok
[INFO] [stdout] test tests::k_deferred_drop_optimistic_reader_vs_defer_writer ... ok
[INFO] [stdout] test tests::keys_large_tree ... ok
[INFO] [stdout] test tests::optimistic_lookup_across_splits ... ok
[INFO] [stdout] test tests::range_empty_tree ... ok
[INFO] [stdout] test tests::range_included_bounds ... ok
[INFO] [stdout] test tests::range_rev_empty_tree ... ok
[INFO] [stdout] test tests::range_rev_excluded_bounds ... ok
[INFO] [stdout] test tests::range_mixed_bounds ... ok
[INFO] [stdout] test tests::range_rev_full ... ok
[INFO] [stdout] test tests::range_rev_included_bounds ... ok
[INFO] [stdout] test tests::range_rev_mixed_bounds ... ok
[INFO] [stdout] test tests::range_rev_nonexistent_bounds ... ok
[INFO] [stdout] test tests::range_rev_peek ... ok
[INFO] [stdout] test tests::range_rev_peek_respects_lower_bound ... ok
[INFO] [stdout] test tests::raw_iter ... ok
[INFO] [stdout] test tests::raw_iter_reverse ... ok
[INFO] [stdout] test tests::remove ... ok
[INFO] [stdout] test tests::remove_entry_returns_key_and_value ... ok
[INFO] [stdout] test tests::reverse_insertion_order ... ok
[INFO] [stdout] test tests::string_keys ... ok
[INFO] [stdout] test tests::tree_default_creates_empty_tree ... ok
[INFO] [stdout] test tests::values_basic ... ok
[INFO] [stdout] test tests::values_empty_tree ... ok
[INFO] [stdout] test tests::values_large_tree ... ok
[INFO] [stdout] test tests::contains_key_returns_true_for_existing ... ok
[INFO] [stdout] test tests::epoch_deferred_drop_optimistic_reader_vs_defer_writer ... ok
[INFO] [stdout] test tests::leaf_lower_bound_exact_match ... ok
[INFO] [stdout] test tests::leaf_lower_bound_respects_lower_fence ... ok
[INFO] [stdout] test tests::range_rev_large_tree ... ok
[INFO] [stdout] test tests::range_rev_single_element ... ok
[INFO] [stdout] test tests::range_full ... ok
[INFO] [stdout] test tests::delete_nonexistent_returns_none ... ok
[INFO] [stdout] test tests::contains_key_with_borrowed_key ... ok
[INFO] [stdout] test iter::tests::cursor_tests::cursor_next_then_prev_returns_same ... ok
[INFO] [stdout] test tests::first_multilevel_tree ... ok
[INFO] [stdout] test tests::get_with_borrowed_key ... ok
[INFO] [stdout] test tests::get_returns_cloned_value ... ok
[INFO] [stdout] test tests::get_or_insert_with_lazy_evaluation ... ok
[INFO] [stderr]      Running tests/concurrency.rs (/opt/rustwide/target/debug/deps/concurrency-2cb8ec0c69094a84)
[INFO] [stdout] test tests::range_nonexistent_bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 262 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test concurrent_inserts_cause_splits ... ok
[INFO] [stdout] test concurrent_insert_disjoint_ranges ... ok
[INFO] [stdout] test iterate_while_inserting ... ok
[INFO] [stdout] test many_concurrent_readers ... ok
[INFO] [stdout] test concurrent_insert_same_keys ... ok
[INFO] [stdout] test stress_high_contention_single_key ... ok
[INFO] [stdout] test stress_large_scale_concurrent_inserts ... ok
[INFO] [stdout] test concurrent_insert_and_lookup ... ok
[INFO] [stdout] test stress_concurrent_insert_overlapping_ranges ... ok
[INFO] [stdout] test stress_producer_consumer ... ok
[INFO] [stdout] test stress_concurrent_mixed_operations ... ok
[INFO] [stdout] test concurrent_removes ... ok
[INFO] [stdout] test concurrent_lookup_with_interior_pointer_values ... ok
[INFO] [stdout] test stress_sustained_mixed_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/concurrent_shapes.rs (/opt/rustwide/target/debug/deps/concurrent_shapes-12131ce99e15fced)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test reader_during_split_yields_correct_successor ... ok
[INFO] [stdout] test reader_during_merge_yields_consistent_sequence ... ok
[INFO] [stdout] test iterator_outlives_concurrent_clear ... ok
[INFO] [stdout] test two_writers_split_same_leaf_settles_to_consistent_state ... ok
[INFO] [stdout] test concurrent_pop_first_returns_unique_entries ... ok
[INFO] [stdout] test concurrent_pop_last_returns_unique_entries ... ok
[INFO] [stdout] test concurrent_operations_produce_consistent_final_state ... ok
[INFO] [stderr] error: test failed, to rerun pass `--test concurrent_shapes`
[INFO] [stdout] test concurrent_churn_drops_values_exactly ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- concurrent_churn_drops_values_exactly stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'concurrent_churn_drops_values_exactly' (418) panicked at tests/concurrent_shapes.rs:403:5:
[INFO] [stdout] observed 1554 drops < expected 1600 (likely leak)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x60acdca1c328 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60acdca1c328 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60acdca1c328 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x60acdca1c328 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x60acdca3015a - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x60acdca3015a - core[28b146924c2f19c6]::fmt::write
[INFO] [stdout]    6:     0x60acdca20b42 - std[929523f510218772]::io::default_write_fmt::<alloc[95e62e727ddf147d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x60acdca20b42 - <alloc[95e62e727ddf147d]::vec::Vec<u8> as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x60acdc9fb266 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x60acdc9fb266 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x60acdca147b9 - std[929523f510218772]::panicking::default_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x60acdc99400c - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x60acdc99400c - test[6ec0502068880816]::test_main_inner::<test[6ec0502068880816]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x60acdca14972 - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x60acdca14972 - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x60acdc9fb322 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x60acdc9f0529 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x60acdc9fc03d - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x60acdca308ec - core[28b146924c2f19c6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x60acdc959010 - concurrent_shapes[468e8effc472452a]::concurrent_churn_drops_values_exactly
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/concurrent_shapes.rs:403:2
[INFO] [stdout]   20:     0x60acdc957a77 - concurrent_shapes[468e8effc472452a]::concurrent_churn_drops_values_exactly::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/concurrent_shapes.rs:337:43
[INFO] [stdout]   21:     0x60acdc972116 - <concurrent_shapes[468e8effc472452a]::concurrent_churn_drops_values_exactly::{closure#0} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x60acdc9870eb - <fn() -> core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x60acdc9870eb - test[6ec0502068880816]::__rust_begin_short_backtrace::<core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>, fn() -> core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:724:18
[INFO] [stdout]   24:     0x60acdc994965 - test[6ec0502068880816]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:747:74
[INFO] [stdout]   25:     0x60acdc994965 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   26:     0x60acdc994965 - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>, core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x60acdc994965 - std[929523f510218772]::panicking::catch_unwind::<core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>, core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x60acdc994965 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>, core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x60acdc994965 - test[6ec0502068880816]::run_test_in_process
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:747:27
[INFO] [stdout]   30:     0x60acdc994965 - test[6ec0502068880816]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:668:43
[INFO] [stdout]   31:     0x60acdc98f4c4 - test[6ec0502068880816]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:698:41
[INFO] [stdout]   32:     0x60acdc98f4c4 - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<test[6ec0502068880816]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x60acdc9979e2 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   34:     0x60acdc9979e2 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   35:     0x60acdc9979e2 - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x60acdc9979e2 - std[929523f510218772]::panicking::catch_unwind::<(), core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x60acdc9979e2 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x60acdc9979e2 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   39:     0x60acdc9979e2 - <std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x60acdca1bc8f - <alloc[95e62e727ddf147d]::boxed::Box<dyn core[28b146924c2f19c6]::ops::function::FnOnce<(), Output = ()> + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   41:     0x60acdca1bc8f - <std[929523f510218772]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x7562eca94aa4 - <unknown>
[INFO] [stdout]   43:     0x7562ecb21a64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     concurrent_churn_drops_values_exactly
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6cd410acf6ddca511f78e3dc121299923865308fa5b33f4eea4a7bb941170bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd410acf6ddca511f78e3dc121299923865308fa5b33f4eea4a7bb941170bb6", kill_on_drop: false }`
[INFO] [stdout] 6cd410acf6ddca511f78e3dc121299923865308fa5b33f4eea4a7bb941170bb6
