[INFO] fetching crate sync_cow 0.1.1... [INFO] testing sync_cow-0.1.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate sync_cow 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate sync_cow 0.1.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate sync_cow 0.1.1 [INFO] tweaked toml for crates.io crate sync_cow 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate sync_cow 0.1.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate sync_cow 0.1.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1140e49a01f7204643badce4f767d16a7526b355ecd5607ca921fa984039c78f [INFO] running `Command { std: "docker" "start" "-a" "1140e49a01f7204643badce4f767d16a7526b355ecd5607ca921fa984039c78f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1140e49a01f7204643badce4f767d16a7526b355ecd5607ca921fa984039c78f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1140e49a01f7204643badce4f767d16a7526b355ecd5607ca921fa984039c78f", kill_on_drop: false }` [INFO] [stdout] 1140e49a01f7204643badce4f767d16a7526b355ecd5607ca921fa984039c78f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6313d857577c0565f862b81f63779599a8c1e90c33d8333c068ccf46d80d6f97 [INFO] running `Command { std: "docker" "start" "-a" "6313d857577c0565f862b81f63779599a8c1e90c33d8333c068ccf46d80d6f97", kill_on_drop: false }` [INFO] [stderr] Compiling sync_cow v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "6313d857577c0565f862b81f63779599a8c1e90c33d8333c068ccf46d80d6f97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6313d857577c0565f862b81f63779599a8c1e90c33d8333c068ccf46d80d6f97", kill_on_drop: false }` [INFO] [stdout] 6313d857577c0565f862b81f63779599a8c1e90c33d8333c068ccf46d80d6f97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b8dda289dd379684f38a8e95cf6861c0a40a5204a11a87bb20cd03b7dd7b6ac5 [INFO] running `Command { std: "docker" "start" "-a" "b8dda289dd379684f38a8e95cf6861c0a40a5204a11a87bb20cd03b7dd7b6ac5", kill_on_drop: false }` [INFO] [stderr] Compiling sync_cow v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "b8dda289dd379684f38a8e95cf6861c0a40a5204a11a87bb20cd03b7dd7b6ac5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8dda289dd379684f38a8e95cf6861c0a40a5204a11a87bb20cd03b7dd7b6ac5", kill_on_drop: false }` [INFO] [stdout] b8dda289dd379684f38a8e95cf6861c0a40a5204a11a87bb20cd03b7dd7b6ac5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 92f1ad2119bc693c31cc96a6e2e13c2e68e20d5098183ba30d82c548404877dd [INFO] running `Command { std: "docker" "start" "-a" "92f1ad2119bc693c31cc96a6e2e13c2e68e20d5098183ba30d82c548404877dd", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sync_cow-912950d581c66bed) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::cow_faster_than_rwlock_nosleep ... FAILED [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::cow_faster_than_rwlock_nosleep stdout ---- [INFO] [stdout] Got 70 last, but 72 then [INFO] [stdout] 8972 [INFO] [stdout] 9203 [INFO] [stdout] 9202 [INFO] [stdout] 8866 [INFO] [stdout] 8866 [INFO] [stdout] 8866 [INFO] [stdout] 9050 [INFO] [stdout] 9051 [INFO] [stdout] 9173 [INFO] [stdout] 8870 [INFO] [stdout] [INFO] [stdout] thread 'tests::cow_faster_than_rwlock_nosleep' (17) panicked at src/tests.rs:128:9: [INFO] [stdout] The readers did not catch all writes sequentially, probably they were too slow [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5e621083425a - std[e72de78501789eb0]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5e621083425a - std[e72de78501789eb0]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5e621083425a - std[e72de78501789eb0]::sys::backtrace::_print_fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:74:9 [INFO] [stdout] 3: 0x5e621083425a - <::print::DisplayBacktrace as core[6aaeda2c7ad07a48]::fmt::Display>::fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:44:26 [INFO] [stdout] 4: 0x5e6210847efa - ::fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/fmt/rt.rs:152:76 [INFO] [stdout] 5: 0x5e6210847efa - core[6aaeda2c7ad07a48]::fmt::write [INFO] [stdout] 6: 0x5e6210838ae2 - std[e72de78501789eb0]::io::default_write_fmt::> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5e6210838ae2 - as std[e72de78501789eb0]::io::Write>::write_fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:1994:13 [INFO] [stdout] 8: 0x5e62108133bf - ::print [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:47:9 [INFO] [stdout] 9: 0x5e62108133bf - std[e72de78501789eb0]::panicking::default_hook::{closure#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:292:27 [INFO] [stdout] 10: 0x5e621082c759 - std[e72de78501789eb0]::panicking::default_hook [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:316:9 [INFO] [stdout] 11: 0x5e62107c991c - core[6aaeda2c7ad07a48]::ops::function::Fn<(&'a std[e72de78501789eb0]::panic::PanicHookInfo<'b>,), Output = ()> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::marker::Send> as core[6aaeda2c7ad07a48]::ops::function::Fn<(&std[e72de78501789eb0]::panic::PanicHookInfo,)>>::call [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/boxed.rs:2254:9 [INFO] [stdout] 12: 0x5e62107c991c - test[4f12b380f1fb68c5]::test_main_with_exit_callback::::{closure#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5e621082c912 - core[6aaeda2c7ad07a48]::ops::function::Fn<(&'a std[e72de78501789eb0]::panic::PanicHookInfo<'b>,), Output = ()> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::marker::Send> as core[6aaeda2c7ad07a48]::ops::function::Fn<(&std[e72de78501789eb0]::panic::PanicHookInfo,)>>::call [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/boxed.rs:2254:9 [INFO] [stdout] 14: 0x5e621082c912 - std[e72de78501789eb0]::panicking::panic_with_hook [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:833:13 [INFO] [stdout] 15: 0x5e62108134aa - std[e72de78501789eb0]::panicking::panic_handler::{closure#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:691:13 [INFO] [stdout] 16: 0x5e621080ae19 - std[e72de78501789eb0]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:182:18 [INFO] [stdout] 17: 0x5e621081418d - __rustc[78a4cf188af856fc]::rust_begin_unwind [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:689:5 [INFO] [stdout] 18: 0x5e621084868c - core[6aaeda2c7ad07a48]::panicking::panic_fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panicking.rs:80:14 [INFO] [stdout] 19: 0x5e62107bca9d - sync_cow[71d743e92096ceb1]::tests::write_and_read_alot [INFO] [stdout] at /opt/rustwide/workdir/src/tests.rs:128:9 [INFO] [stdout] 20: 0x5e62107bd01e - sync_cow[71d743e92096ceb1]::tests::cow_faster_than_rwlock_nosleep [INFO] [stdout] at /opt/rustwide/workdir/src/tests.rs:10:9 [INFO] [stdout] 21: 0x5e62107bbc97 - sync_cow[71d743e92096ceb1]::tests::cow_faster_than_rwlock_nosleep::{closure#0} [INFO] [stdout] at /opt/rustwide/workdir/src/tests.rs:6:36 [INFO] [stdout] 22: 0x5e62107b7fa6 - >::call_once [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x5e62107bd9fb - core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String> as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5e62107bd9fb - test[4f12b380f1fb68c5]::__rust_begin_short_backtrace::, fn() -> core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String>> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:663:18 [INFO] [stdout] 25: 0x5e62107ca3eb - test[4f12b380f1fb68c5]::run_test_in_process::{closure#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:686:74 [INFO] [stdout] 26: 0x5e62107ca3eb - as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panic/unwind_safe.rs:275:9 [INFO] [stdout] 27: 0x5e62107ca3eb - std[e72de78501789eb0]::panicking::catch_unwind::do_call::, core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String>> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40 [INFO] [stdout] 28: 0x5e62107ca3eb - std[e72de78501789eb0]::panicking::catch_unwind::, core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19 [INFO] [stdout] 29: 0x5e62107ca3eb - std[e72de78501789eb0]::panic::catch_unwind::, core[6aaeda2c7ad07a48]::result::Result<(), alloc[28d2dab30c1dc666]::string::String>> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x5e62107ca3eb - test[4f12b380f1fb68c5]::run_test_in_process [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:686:27 [INFO] [stdout] 31: 0x5e62107ca3eb - test[4f12b380f1fb68c5]::run_test::{closure#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:607:43 [INFO] [stdout] 32: 0x5e62107c5b04 - test[4f12b380f1fb68c5]::run_test::{closure#1} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/test/src/lib.rs:637:41 [INFO] [stdout] 33: 0x5e62107c5b04 - std[e72de78501789eb0]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:166:18 [INFO] [stdout] 34: 0x5e62107ccff2 - std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked::::{closure#1}::{closure#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/thread/lifecycle.rs:91:13 [INFO] [stdout] 35: 0x5e62107ccff2 - ::{closure#1}::{closure#0}> as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panic/unwind_safe.rs:275:9 [INFO] [stdout] 36: 0x5e62107ccff2 - std[e72de78501789eb0]::panicking::catch_unwind::do_call::::{closure#1}::{closure#0}>, ()> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40 [INFO] [stdout] 37: 0x5e62107ccff2 - std[e72de78501789eb0]::panicking::catch_unwind::<(), core[6aaeda2c7ad07a48]::panic::unwind_safe::AssertUnwindSafe::{closure#1}::{closure#0}>> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19 [INFO] [stdout] 38: 0x5e62107ccff2 - std[e72de78501789eb0]::panic::catch_unwind::::{closure#1}::{closure#0}>, ()> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14 [INFO] [stdout] 39: 0x5e62107ccff2 - std[e72de78501789eb0]::thread::lifecycle::spawn_unchecked::::{closure#1} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/thread/lifecycle.rs:89:26 [INFO] [stdout] 40: 0x5e62107ccff2 - ::{closure#1} as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x5e6210833b6f - + core[6aaeda2c7ad07a48]::marker::Send> as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/alloc/src/boxed.rs:2240:9 [INFO] [stdout] 42: 0x5e6210833b6f - ::new::thread_start [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/thread/unix.rs:118:17 [INFO] [stdout] 43: 0x73c23510aaa4 - [INFO] [stdout] 44: 0x73c235197a64 - clone [INFO] [stdout] 45: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::cow_faster_than_rwlock_nosleep [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.99s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "92f1ad2119bc693c31cc96a6e2e13c2e68e20d5098183ba30d82c548404877dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92f1ad2119bc693c31cc96a6e2e13c2e68e20d5098183ba30d82c548404877dd", kill_on_drop: false }` [INFO] [stdout] 92f1ad2119bc693c31cc96a6e2e13c2e68e20d5098183ba30d82c548404877dd