[INFO] fetching crate champ-trie 0.2.0...
[INFO] testing champ-trie-0.2.0 against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] extracting crate champ-trie 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate champ-trie 0.2.0
[INFO] finished tweaking crates.io crate champ-trie 0.2.0
[INFO] tweaked toml for crates.io crate champ-trie 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate champ-trie 0.2.0 on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate champ-trie 0.2.0 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" "+f9988fefd3add01f414f52b414308e7872622fee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safe-bump v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8206b9adc61da8295d536bd205e9aa5df929aff7f8a7a824932d44995763ee4
[INFO] running `Command { std: "docker" "start" "-a" "a8206b9adc61da8295d536bd205e9aa5df929aff7f8a7a824932d44995763ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8206b9adc61da8295d536bd205e9aa5df929aff7f8a7a824932d44995763ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8206b9adc61da8295d536bd205e9aa5df929aff7f8a7a824932d44995763ee4", kill_on_drop: false }`
[INFO] [stdout] a8206b9adc61da8295d536bd205e9aa5df929aff7f8a7a824932d44995763ee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+f9988fefd3add01f414f52b414308e7872622fee" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a8c07addbee9fb624bd9c4d95b26d9904a090f393711594fcc21aa1e16aecbe
[INFO] running `Command { std: "docker" "start" "-a" "0a8c07addbee9fb624bd9c4d95b26d9904a090f393711594fcc21aa1e16aecbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-bump v0.2.1
[INFO] [stderr]    Compiling champ-trie v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "0a8c07addbee9fb624bd9c4d95b26d9904a090f393711594fcc21aa1e16aecbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a8c07addbee9fb624bd9c4d95b26d9904a090f393711594fcc21aa1e16aecbe", kill_on_drop: false }`
[INFO] [stdout] 0a8c07addbee9fb624bd9c4d95b26d9904a090f393711594fcc21aa1e16aecbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6960613a8d6fde7944e52d7c852694a62e2becbaf25dce9051f1788b97d4fb2
[INFO] running `Command { std: "docker" "start" "-a" "f6960613a8d6fde7944e52d7c852694a62e2becbaf25dce9051f1788b97d4fb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling champ-trie v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `Command { std: "docker" "inspect" "f6960613a8d6fde7944e52d7c852694a62e2becbaf25dce9051f1788b97d4fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6960613a8d6fde7944e52d7c852694a62e2becbaf25dce9051f1788b97d4fb2", kill_on_drop: false }`
[INFO] [stdout] f6960613a8d6fde7944e52d7c852694a62e2becbaf25dce9051f1788b97d4fb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1bc9676f38971c094090ae2f7eef1889eb96ab67ebc899f65f38a514f962f954
[INFO] running `Command { std: "docker" "start" "-a" "1bc9676f38971c094090ae2f7eef1889eb96ab67ebc899f65f38a514f962f954", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/champ_trie-ba1e49ef7cd81fa1)
[INFO] [stdout] 
[INFO] [stdout] running 77 tests
[INFO] [stdout] test tests::adhash::commutativity ... ok
[INFO] [stdout] test tests::adhash::empty_adhash_is_zero ... ok
[INFO] [stdout] test tests::adhash::roundtrip_to_zero ... ok
[INFO] [stdout] test tests::adhash::incremental_insert ... ok
[INFO] [stdout] test tests::adhash::two_seed_no_degeneration ... ok
[INFO] [stdout] test tests::adhash::overwrite_changes_adhash ... ok
[INFO] [stdout] test tests::basic::adhash_changes_on_insert ... ok
[INFO] [stdout] test tests::basic::contains_key_false ... ok
[INFO] [stdout] test tests::basic::contains_key_true ... ok
[INFO] [stdout] test tests::basic::get_missing_key ... ok
[INFO] [stdout] test tests::basic::insert_one ... ok
[INFO] [stdout] test tests::basic::empty_map ... ok
[INFO] [stdout] test tests::basic::overwrite_value ... ok
[INFO] [stdout] test tests::basic::insert_and_get ... ok
[INFO] [stdout] test tests::basic::remove_existing ... ok
[INFO] [stdout] test tests::basic::remove_all ... ok
[INFO] [stdout] test tests::basic::insert_multiple ... ok
[INFO] [stdout] test tests::basic::remove_missing ... ok
[INFO] [stdout] test tests::canonical::overwrite_preserves_canonicity ... ok
[INFO] [stdout] test tests::collision::overwrite_in_collision ... ok
[INFO] [stdout] test tests::canonical::delete_preserves_canonicity ... ok
[INFO] [stdout] test tests::canonical::insert_order_abc_cba_bca ... ok
[INFO] [stdout] test tests::collision::remove_from_collision ... ok
[INFO] [stdout] test tests::collision::three_colliding_keys ... ok
[INFO] [stdout] test tests::completeness::insert_new_returns_none ... ok
[INFO] [stdout] test tests::collision::two_colliding_keys ... ok
[INFO] [stdout] test tests::completeness::insert_update_returns_old_value ... ok
[INFO] [stdout] test tests::completeness::remove_existing_returns_value ... ok
[INFO] [stdout] test tests::canonical::insert_order_100_entries ... ok
[INFO] [stdout] test tests::collision::collision_remove_all ... ok
[INFO] [stdout] test tests::collision::mixed_collisions_and_normal ... ok
[INFO] [stdout] test tests::completeness::insert_update_chain ... ok
[INFO] [stdout] test tests::adhash::mixing_not_symmetric ... ok
[INFO] [stdout] test tests::completeness::remove_missing_returns_none ... ok
[INFO] [stdout] test tests::basic::adhash_changes_on_overwrite ... ok
[INFO] [stdout] test tests::completeness::remove_returns_correct_value_among_many ... ok
[INFO] [stdout] test tests::nfr::single::checkpoint_zero_alloc ... ok
[INFO] [stdout] test tests::nfr::single::iter_count_matches_len ... ok
[INFO] [stdout] test tests::nfr::single::memory_linear ... ok
[INFO] [stdout] test tests::nfr::single::insert_sublinear ... ok
[INFO] [stdout] test tests::nfr::single::cow_single_remove ... ok
[INFO] [stdout] test tests::nfr::single::get_sublinear ... ok
[INFO] [stdout] test tests::nfr::single::cow_single_insert ... ok
[INFO] [stdout] test tests::nfr::single::checkpoint_constant_time ... ok
[INFO] [stdout] test tests::nfr::single::iter_linear ... ok
[INFO] [stdout] test tests::nfr::sync::checkpoint_zero_alloc ... ok
[INFO] [stdout] test tests::nfr::single::remove_sublinear ... ok
[INFO] [stdout] test tests::nfr::sync::iter_count_matches_len ... ok
[INFO] [stdout] test tests::nfr::sync::memory_linear ... ok
[INFO] [stdout] test tests::persistence::nested_checkpoints ... ok
[INFO] [stdout] test tests::persistence::rollback_after_insert ... ok
[INFO] [stdout] test tests::persistence::rollback_after_remove ... ok
[INFO] [stdout] test tests::persistence::rollback_to_empty ... ok
[INFO] [stdout] test tests::stress::deep_shared_prefixes ... ok
[INFO] [stdout] test tests::stress::interleaved_operations ... ok
[INFO] [stdout] test tests::stress::thousand_entries ... ok
[INFO] [stdout] test tests::sync::sync_canonical_order ... ok
[INFO] [stdout] test tests::sync::sync_checkpoint_rollback ... ok
[INFO] [stdout] test tests::sync::sync_empty ... ok
[INFO] [stdout] test tests::sync::sync_insert_and_get ... ok
[INFO] [stdout] test tests::sync::sync_is_send ... ok
[INFO] [stdout] test tests::sync::sync_is_sync ... ok
[INFO] [stdout] test tests::sync::sync_remove ... ok
[INFO] [stdout] test tests::sync::sync_stress_100 ... ok
[INFO] [stdout] test tests::traits::debug_format ... ok
[INFO] [stdout] test tests::traits::default_is_empty ... ok
[INFO] [stdout] test tests::traits::extend_trait ... ok
[INFO] [stdout] test tests::traits::from_iterator ... ok
[INFO] [stdout] test tests::traits::index_existing ... ok
[INFO] [stdout] test tests::traits::index_missing_panics - should panic ... ok
[INFO] [stdout] test tests::nfr::sync::cow_single_remove ... ok
[INFO] [stdout] test tests::nfr::sync::get_sublinear ... FAILED
[INFO] [stdout] test tests::nfr::sync::checkpoint_constant_time ... ok
[INFO] [stdout] test tests::nfr::sync::cow_single_insert ... ok
[INFO] [stdout] test tests::nfr::sync::insert_sublinear ... ok
[INFO] [stdout] test tests::nfr::sync::remove_sublinear ... ok
[INFO] [stdout] test tests::nfr::sync::iter_linear ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::nfr::sync::get_sublinear stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::nfr::sync::get_sublinear' (68) panicked at src/tests/nfr.rs:344:1:
[INFO] [stdout] get ratio 9.41x exceeds 5x bound (small=649460ns, large=6108240ns)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x60bbc94c0faa - std[1209cfb42f6d497f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60bbc94c0faa - std[1209cfb42f6d497f]::backtrace_rs::backtrace::trace_unsynchronized::<std[1209cfb42f6d497f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60bbc94c0faa - std[1209cfb42f6d497f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x60bbc94c0faa - <<std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[4a92201981c6b77a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x60bbc94d51da - <core[4a92201981c6b77a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x60bbc94d51da - core[4a92201981c6b77a]::fmt::write
[INFO] [stdout]    6:     0x60bbc94c57e2 - std[1209cfb42f6d497f]::io::default_write_fmt::<alloc[420bb310a727dfd7]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x60bbc94c57e2 - <alloc[420bb310a727dfd7]::vec::Vec<u8> as std[1209cfb42f6d497f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x60bbc949ffaf - <std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x60bbc949ffaf - std[1209cfb42f6d497f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x60bbc94b9409 - std[1209cfb42f6d497f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x60bbc9455b5c - <alloc[420bb310a727dfd7]::boxed::Box<dyn for<'a, 'b> core[4a92201981c6b77a]::ops::function::Fn<(&'a std[1209cfb42f6d497f]::panic::PanicHookInfo<'b>,), Output = ()> + core[4a92201981c6b77a]::marker::Sync + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::Fn<(&std[1209cfb42f6d497f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x60bbc9455b5c - test[59e67a9bc0e119f1]::test_main_inner::<test[59e67a9bc0e119f1]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x60bbc94b95c2 - <alloc[420bb310a727dfd7]::boxed::Box<dyn for<'a, 'b> core[4a92201981c6b77a]::ops::function::Fn<(&'a std[1209cfb42f6d497f]::panic::PanicHookInfo<'b>,), Output = ()> + core[4a92201981c6b77a]::marker::Sync + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::Fn<(&std[1209cfb42f6d497f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x60bbc94b95c2 - std[1209cfb42f6d497f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x60bbc94a0068 - std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x60bbc9495279 - std[1209cfb42f6d497f]::sys::backtrace::__rust_end_short_backtrace::<std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x60bbc94a0d7d - __rustc[4effac393e9f3da6]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x60bbc94d592c - core[4a92201981c6b77a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x60bbc93ffff2 - champ_trie[24c589df0acad68]::tests::nfr::sync::get_sublinear
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests/nfr.rs:58:17
[INFO] [stdout]   20:     0x60bbc93fd4c7 - champ_trie[24c589df0acad68]::tests::nfr::sync::get_sublinear::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests/nfr.rs:42:31
[INFO] [stdout]   21:     0x60bbc942df36 - <champ_trie[24c589df0acad68]::tests::nfr::sync::get_sublinear::{closure#0} as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x60bbc9448e3b - <fn() -> core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x60bbc9448e3b - test[59e67a9bc0e119f1]::__rust_begin_short_backtrace::<core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>, fn() -> core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:724:18
[INFO] [stdout]   24:     0x60bbc945662b - test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:747:74
[INFO] [stdout]   25:     0x60bbc945662b - <core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   26:     0x60bbc945662b - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>, core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x60bbc945662b - std[1209cfb42f6d497f]::panicking::catch_unwind::<core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>, core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x60bbc945662b - std[1209cfb42f6d497f]::panic::catch_unwind::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<test[59e67a9bc0e119f1]::run_test_in_process::{closure#0}>, core[4a92201981c6b77a]::result::Result<(), alloc[420bb310a727dfd7]::string::String>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x60bbc945662b - test[59e67a9bc0e119f1]::run_test_in_process
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:747:27
[INFO] [stdout]   30:     0x60bbc945662b - test[59e67a9bc0e119f1]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:668:43
[INFO] [stdout]   31:     0x60bbc944fd44 - test[59e67a9bc0e119f1]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/test/src/lib.rs:698:41
[INFO] [stdout]   32:     0x60bbc944fd44 - std[1209cfb42f6d497f]::sys::backtrace::__rust_begin_short_backtrace::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x60bbc9459232 - std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   34:     0x60bbc9459232 - <core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   35:     0x60bbc9459232 - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x60bbc9459232 - std[1209cfb42f6d497f]::panicking::catch_unwind::<(), core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x60bbc9459232 - std[1209cfb42f6d497f]::panic::catch_unwind::<core[4a92201981c6b77a]::panic::unwind_safe::AssertUnwindSafe<std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x60bbc9459232 - std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked::<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   39:     0x60bbc9459232 - <std[1209cfb42f6d497f]::thread::lifecycle::spawn_unchecked<test[59e67a9bc0e119f1]::run_test::{closure#1}, ()>::{closure#1} as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x60bbc94c08bf - <alloc[420bb310a727dfd7]::boxed::Box<dyn core[4a92201981c6b77a]::ops::function::FnOnce<(), Output = ()> + core[4a92201981c6b77a]::marker::Send> as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   41:     0x60bbc94c08bf - <std[1209cfb42f6d497f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x77e540cefaa4 - <unknown>
[INFO] [stdout]   43:     0x77e540d7ca64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::nfr::sync::get_sublinear
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 76 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 29.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "1bc9676f38971c094090ae2f7eef1889eb96ab67ebc899f65f38a514f962f954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bc9676f38971c094090ae2f7eef1889eb96ab67ebc899f65f38a514f962f954", kill_on_drop: false }`
[INFO] [stdout] 1bc9676f38971c094090ae2f7eef1889eb96ab67ebc899f65f38a514f962f954
