[INFO] fetching crate versust 1.0.1...
[INFO] testing versust-1.0.1 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] extracting crate versust 1.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate versust 1.0.1
[INFO] finished tweaking crates.io crate versust 1.0.1
[INFO] tweaked toml for crates.io crate versust 1.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate versust 1.0.1 on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate versust 1.0.1 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "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/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c52c88d61b5508bd94efda71e68bc7bb526837f66d972dec1c86140e65b1975
[INFO] running `Command { std: "docker" "start" "-a" "4c52c88d61b5508bd94efda71e68bc7bb526837f66d972dec1c86140e65b1975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c52c88d61b5508bd94efda71e68bc7bb526837f66d972dec1c86140e65b1975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c52c88d61b5508bd94efda71e68bc7bb526837f66d972dec1c86140e65b1975", kill_on_drop: false }`
[INFO] [stdout] 4c52c88d61b5508bd94efda71e68bc7bb526837f66d972dec1c86140e65b1975
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 293c97f7244aaaa7b7909cf340efdbc8af1fab047975711cda6454d056b1a32a
[INFO] running `Command { std: "docker" "start" "-a" "293c97f7244aaaa7b7909cf340efdbc8af1fab047975711cda6454d056b1a32a", kill_on_drop: false }`
[INFO] [stderr]    Compiling versust v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "293c97f7244aaaa7b7909cf340efdbc8af1fab047975711cda6454d056b1a32a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293c97f7244aaaa7b7909cf340efdbc8af1fab047975711cda6454d056b1a32a", kill_on_drop: false }`
[INFO] [stdout] 293c97f7244aaaa7b7909cf340efdbc8af1fab047975711cda6454d056b1a32a
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a777e62db1515d6f10de647a08448c85e1073f523f8eb97bee1e0a4aca39b807
[INFO] running `Command { std: "docker" "start" "-a" "a777e62db1515d6f10de647a08448c85e1073f523f8eb97bee1e0a4aca39b807", kill_on_drop: false }`
[INFO] [stderr]    Compiling versust v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "a777e62db1515d6f10de647a08448c85e1073f523f8eb97bee1e0a4aca39b807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a777e62db1515d6f10de647a08448c85e1073f523f8eb97bee1e0a4aca39b807", kill_on_drop: false }`
[INFO] [stdout] a777e62db1515d6f10de647a08448c85e1073f523f8eb97bee1e0a4aca39b807
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3e1473cfe51ccbc6bcfe52cc81c4adcb385fc4adb51c6f8643f2c8df25547c6
[INFO] running `Command { std: "docker" "start" "-a" "c3e1473cfe51ccbc6bcfe52cc81c4adcb385fc4adb51c6f8643f2c8df25547c6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/versust-c55aa2501660c966)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test concurrency::race::tests::race_fails_on_empty_jobs ... ok
[INFO] [stdout] test concurrency::rush::tests::rush_fails_on_empty_jobs ... ok
[INFO] [stdout] test tests::test_concurrency ... ok
[INFO] [stdout] test concurrency::race::tests::race_runs_correctly ... ok
[INFO] [stdout] test concurrency::rush::tests::rush_runs_correctly ... ok
[INFO] [stdout] test concurrency::race::tests::race_fails_when_all_jobs_panic ... ok
[INFO] [stdout] test concurrency::rush::tests::rush_fails_when_all_jobs_panic ... ok
[INFO] [stdout] test concurrency::branch::tests::branch_runs_correctly ... ok
[INFO] [stdout] test concurrency::sync::tests::sync_runs_correctly ... ok
[INFO] [stdout] test concurrency::race::tests::race_terminates_other_jobs ... ok
[INFO] [stdout] test concurrency::race::tests::race_run_jobs_atomically ... ok
[INFO] [stdout] test concurrency::rush::tests::rush_runs_remaining_jobs ... ok
[INFO] [stdout] test concurrency::branch::tests::branch_returns_immediately ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests versust
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/concurrency/rush.rs - concurrency::rush::rush (line 97) ... ok
[INFO] [stdout] test src/concurrency/rush.rs - concurrency::rush::rush (line 17) ... ok
[INFO] [stdout] test src/concurrency/branch.rs - concurrency::branch::branch (line 15) ... ok
[INFO] [stdout] test src/concurrency/branch.rs - concurrency::branch::branch (line 84) ... ok
[INFO] [stdout] test src/concurrency/branch.rs - concurrency::branch::branch (line 37) ... ok
[INFO] [stdout] test src/concurrency/sync.rs - concurrency::sync::sync (line 15) ... ok
[INFO] [stdout] test src/concurrency/race.rs - concurrency::race::race (line 28) ... ok
[INFO] [stdout] test src/concurrency/sync.rs - concurrency::sync::sync (line 37) ... ok
[INFO] [stdout] test src/concurrency/sync.rs - concurrency::sync::sync (line 82) ... ok
[INFO] [stdout] test src/concurrency/race.rs - concurrency::race::race (line 197) ... FAILED
[INFO] [stdout] test src/concurrency/race.rs - concurrency::race::race (line 69) ... ok
[INFO] [stdout] test src/concurrency/rush.rs - concurrency::rush::rush (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/concurrency/race.rs - concurrency::race::race (line 197) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (124) panicked at /tmp/rustdoctestH3N67x/doctest_bundle_2024.rs:130:1:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 4
[INFO] [stdout]  right: 5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55b3fc464f72 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55b3fc464f72 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55b3fc464f72 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55b3fc464f72 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55b3fc4797da - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55b3fc4797da - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x55b3fc46aad6 - std[3b51380354919863]::io::default_write_fmt::<std[3b51380354919863]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x55b3fc46aad6 - <std[3b51380354919863]::sys::stdio::unix::Stderr as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x55b3fc4432bf - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55b3fc4432bf - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55b3fc45cfd1 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x55b3fc45d18b - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x55b3fc443378 - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x55b3fc438549 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x55b3fc4442ed - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x55b3fc479eec - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x55b3fc479da3 - core[27de1724e4349be2]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:439:17
[INFO] [stdout]   17:     0x55b3fc3bf7fc - core[27de1724e4349be2]::panicking::assert_failed::<u8, u8>
[INFO] [stdout]   18:     0x55b3fc3e449c - doctest_bundle_2024[59ae90dafdbb1e7a]::__doctest_3::main
[INFO] [stdout]   19:     0x55b3fc3e4566 - doctest_bundle_2024[59ae90dafdbb1e7a]::__doctest_3::__main_fn
[INFO] [stdout]   20:     0x55b3fc3b3611 - doctest_runner_2024[88b059fc6160a31f]::__doctest_3::TEST::{closure#0}
[INFO] [stdout]   21:     0x55b3fc3b7f16 - <doctest_runner_2024[88b059fc6160a31f]::__doctest_3::TEST::{closure#0} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   22:     0x55b3fc3b41cb - doctest_runner_2024[88b059fc6160a31f]::main
[INFO] [stdout]   23:     0x55b3fc3b7db3 - <fn() -> std[3b51380354919863]::process::ExitCode as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   24:     0x55b3fc3b2ce6 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<fn() -> std[3b51380354919863]::process::ExitCode, std[3b51380354919863]::process::ExitCode>
[INFO] [stdout]   25:     0x55b3fc3b32b9 - std[3b51380354919863]::rt::lang_start::<std[3b51380354919863]::process::ExitCode>::{closure#0}
[INFO] [stdout]   26:     0x55b3fc45bd26 - <&dyn core[27de1724e4349be2]::ops::function::Fn<(), Output = i32> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::panic::unwind_safe::RefUnwindSafe as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   27:     0x55b3fc45bd26 - std[3b51380354919863]::panicking::catch_unwind::do_call::<&dyn core[27de1724e4349be2]::ops::function::Fn<(), Output = i32> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x55b3fc45bd26 - std[3b51380354919863]::panicking::catch_unwind::<i32, &dyn core[27de1724e4349be2]::ops::function::Fn<(), Output = i32> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x55b3fc45bd26 - std[3b51380354919863]::panic::catch_unwind::<&dyn core[27de1724e4349be2]::ops::function::Fn<(), Output = i32> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x55b3fc45bd26 - std[3b51380354919863]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/rt.rs:175:24
[INFO] [stdout]   31:     0x55b3fc45bd26 - std[3b51380354919863]::panicking::catch_unwind::do_call::<std[3b51380354919863]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   32:     0x55b3fc45bd26 - std[3b51380354919863]::panicking::catch_unwind::<isize, std[3b51380354919863]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   33:     0x55b3fc45bd26 - std[3b51380354919863]::panic::catch_unwind::<std[3b51380354919863]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x55b3fc45bd26 - std[3b51380354919863]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/rt.rs:171:5
[INFO] [stdout]   35:     0x55b3fc3b2b21 - std[3b51380354919863]::rt::lang_start::<std[3b51380354919863]::process::ExitCode>
[INFO] [stdout]   36:     0x55b3fc3b8295 - main
[INFO] [stdout]   37:     0x77934633f1ca - <unknown>
[INFO] [stdout]   38:     0x77934633f28b - __libc_start_main
[INFO] [stdout]   39:     0x55b3fc3b0d45 - _start
[INFO] [stdout]   40:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/concurrency/race.rs - concurrency::race::race (line 197)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 11 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.16s; merged doctests compilation took 0.93s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c3e1473cfe51ccbc6bcfe52cc81c4adcb385fc4adb51c6f8643f2c8df25547c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e1473cfe51ccbc6bcfe52cc81c4adcb385fc4adb51c6f8643f2c8df25547c6", kill_on_drop: false }`
[INFO] [stdout] c3e1473cfe51ccbc6bcfe52cc81c4adcb385fc4adb51c6f8643f2c8df25547c6
