[INFO] fetching crate sync_cow 0.1.1... [INFO] testing sync_cow-0.1.1 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry [INFO] extracting crate sync_cow 0.1.1 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate sync_cow 0.1.1 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd3cf4680499da72392f5fc2e2ec74b3df8c51467ef8c7d5d4ca63cc1fbde4b8 [INFO] running `Command { std: "docker" "start" "-a" "bd3cf4680499da72392f5fc2e2ec74b3df8c51467ef8c7d5d4ca63cc1fbde4b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd3cf4680499da72392f5fc2e2ec74b3df8c51467ef8c7d5d4ca63cc1fbde4b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd3cf4680499da72392f5fc2e2ec74b3df8c51467ef8c7d5d4ca63cc1fbde4b8", kill_on_drop: false }` [INFO] [stdout] bd3cf4680499da72392f5fc2e2ec74b3df8c51467ef8c7d5d4ca63cc1fbde4b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd62aab2c62c3b2ce7bf477efda68e6a86d18b17716e2e6865cd719730a8915d [INFO] running `Command { std: "docker" "start" "-a" "cd62aab2c62c3b2ce7bf477efda68e6a86d18b17716e2e6865cd719730a8915d", 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 0.21s [INFO] running `Command { std: "docker" "inspect" "cd62aab2c62c3b2ce7bf477efda68e6a86d18b17716e2e6865cd719730a8915d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd62aab2c62c3b2ce7bf477efda68e6a86d18b17716e2e6865cd719730a8915d", kill_on_drop: false }` [INFO] [stdout] cd62aab2c62c3b2ce7bf477efda68e6a86d18b17716e2e6865cd719730a8915d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e2d83ee0cd9f0c3d64f242cfc6a9d7d8ebe384d16cc5720c8f60568d634d03e [INFO] running `Command { std: "docker" "start" "-a" "4e2d83ee0cd9f0c3d64f242cfc6a9d7d8ebe384d16cc5720c8f60568d634d03e", 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 1.64s [INFO] running `Command { std: "docker" "inspect" "4e2d83ee0cd9f0c3d64f242cfc6a9d7d8ebe384d16cc5720c8f60568d634d03e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e2d83ee0cd9f0c3d64f242cfc6a9d7d8ebe384d16cc5720c8f60568d634d03e", kill_on_drop: false }` [INFO] [stdout] 4e2d83ee0cd9f0c3d64f242cfc6a9d7d8ebe384d16cc5720c8f60568d634d03e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4b8c4cafdb8165a9b3260da56378f742ae82383fe8e830a9e1d9573e812d21a0 [INFO] running `Command { std: "docker" "start" "-a" "4b8c4cafdb8165a9b3260da56378f742ae82383fe8e830a9e1d9573e812d21a0", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sync_cow-4563dd7e91f39233) [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 6 last, but 10 then [INFO] [stdout] Got 6 last, but 12 then [INFO] [stdout] Got 98 last, but 100 then [INFO] [stdout] 9102 [INFO] [stdout] 8705 [INFO] [stdout] 8712 [INFO] [stdout] 9173 [INFO] [stdout] 9221 [INFO] [stdout] 7623 [INFO] [stdout] 8606 [INFO] [stdout] 7776 [INFO] [stdout] 9099 [INFO] [stdout] 9026 [INFO] [stdout] [INFO] [stdout] thread 'tests::cow_faster_than_rwlock_nosleep' 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: 0x62814eb85312 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x62814eb85312 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x62814eb85312 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x62814eb85312 - ::fmt::ha499add612cccf8e [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x62814ebaa3a3 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x62814ebaa3a3 - core::fmt::write::hb10c956f5235c8a4 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25 [INFO] [stdout] 6: 0x62814eb824f3 - std::io::default_write_fmt::hdb7615052be2ba4d [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x62814eb824f3 - std::io::Write::write_fmt::he1bcd251ec6e4153 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x62814eb85162 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x62814eb8687c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27 [INFO] [stdout] 10: 0x62814eb866d2 - std::panicking::default_hook::h7c46b44874fe5c9a [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x62814eb4e6d4 - as core::ops::function::Fn>::call::h178a5fcedee41e2f [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 12: 0x62814eb4e6d4 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x62814eb8725b - as core::ops::function::Fn>::call::h13602080f5b63276 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 14: 0x62814eb8725b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x62814eb86ff6 - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:699:13 [INFO] [stdout] 16: 0x62814eb85809 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 17: 0x62814eb86cbd - __rustc[18fb429eef004894]::rust_begin_unwind [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x62814eba8f20 - core::panicking::panic_fmt::hd890aeb12c3a3fc3 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x62814eb14360 - sync_cow::tests::write_and_read_alot::h1367b77fbc252f79 [INFO] [stdout] at /opt/rustwide/workdir/src/tests.rs:128:9 [INFO] [stdout] 20: 0x62814eb14506 - sync_cow::tests::cow_faster_than_rwlock_nosleep::h04fa326f66b98c94 [INFO] [stdout] at /opt/rustwide/workdir/src/tests.rs:10:9 [INFO] [stdout] 21: 0x62814eb14889 - sync_cow::tests::cow_faster_than_rwlock_nosleep::{{closure}}::h2a7837df3dfe603e [INFO] [stdout] at /opt/rustwide/workdir/src/tests.rs:6:36 [INFO] [stdout] 22: 0x62814eb14889 - core::ops::function::FnOnce::call_once::h1341f0414c349054 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x62814eb53e5b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x62814eb53e5b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18 [INFO] [stdout] 25: 0x62814eb5304e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74 [INFO] [stdout] 26: 0x62814eb5304e - as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x62814eb5304e - std::panicking::catch_unwind::do_call::he308587d70ac34ba [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40 [INFO] [stdout] 28: 0x62814eb5304e - std::panicking::catch_unwind::h30dcba31973e8fb0 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19 [INFO] [stdout] 29: 0x62814eb5304e - std::panic::catch_unwind::hfb68364e5621fbee [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x62814eb5304e - test::run_test_in_process::hcdcc2977903b998a [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27 [INFO] [stdout] 31: 0x62814eb5304e - test::run_test::{{closure}}::h544a6550958c5d14 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43 [INFO] [stdout] 32: 0x62814eb16bc4 - test::run_test::{{closure}}::hb172e48ebe2b92c7 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41 [INFO] [stdout] 33: 0x62814eb16bc4 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 34: 0x62814eb1a59a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 35: 0x62814eb1a59a - as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x62814eb1a59a - std::panicking::catch_unwind::do_call::h052f373fb905fee0 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40 [INFO] [stdout] 37: 0x62814eb1a59a - std::panicking::catch_unwind::hb425d20c8ffb09c8 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19 [INFO] [stdout] 38: 0x62814eb1a59a - std::panic::catch_unwind::ha0d5dfbf18fdeda5 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14 [INFO] [stdout] 39: 0x62814eb1a59a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 40: 0x62814eb1a59a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x62814eb8a1b7 - as core::ops::function::FnOnce>::call_once::h47377e27fb938a26 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9 [INFO] [stdout] 42: 0x62814eb8a1b7 - as core::ops::function::FnOnce>::call_once::h72f1fe5d095abf57 [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9 [INFO] [stdout] 43: 0x62814eb8a1b7 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf [INFO] [stdout] at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17 [INFO] [stdout] 44: 0x78ed51a52aa4 - [INFO] [stdout] 45: 0x78ed51adfa34 - clone [INFO] [stdout] 46: 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 1.05s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4b8c4cafdb8165a9b3260da56378f742ae82383fe8e830a9e1d9573e812d21a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b8c4cafdb8165a9b3260da56378f742ae82383fe8e830a9e1d9573e812d21a0", kill_on_drop: false }` [INFO] [stdout] 4b8c4cafdb8165a9b3260da56378f742ae82383fe8e830a9e1d9573e812d21a0