[INFO] fetching crate sharded-log 0.0.1...
[INFO] testing sharded-log-0.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate sharded-log 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate sharded-log 0.0.1
[INFO] finished tweaking crates.io crate sharded-log 0.0.1
[INFO] tweaked toml for crates.io crate sharded-log 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sharded-log 0.0.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sharded-log 0.0.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fault-injection v1.0.1
[INFO] [stderr]   Downloaded libc v0.2.125
[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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa408caeb9a4eaf72fd7cea199f3d5558f09785b0ffb16f570eebc5c697115e5
[INFO] running `Command { std: "docker" "start" "-a" "fa408caeb9a4eaf72fd7cea199f3d5558f09785b0ffb16f570eebc5c697115e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa408caeb9a4eaf72fd7cea199f3d5558f09785b0ffb16f570eebc5c697115e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa408caeb9a4eaf72fd7cea199f3d5558f09785b0ffb16f570eebc5c697115e5", kill_on_drop: false }`
[INFO] [stdout] fa408caeb9a4eaf72fd7cea199f3d5558f09785b0ffb16f570eebc5c697115e5
[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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fde8ff6cc6892da31ae5d56a8424c4f1ab9c1ba443147ef418753ce1bde4d4e3
[INFO] running `Command { std: "docker" "start" "-a" "fde8ff6cc6892da31ae5d56a8424c4f1ab9c1ba443147ef418753ce1bde4d4e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling fault-injection v1.0.1
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling sharded-log v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "fde8ff6cc6892da31ae5d56a8424c4f1ab9c1ba443147ef418753ce1bde4d4e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde8ff6cc6892da31ae5d56a8424c4f1ab9c1ba443147ef418753ce1bde4d4e3", kill_on_drop: false }`
[INFO] [stdout] fde8ff6cc6892da31ae5d56a8424c4f1ab9c1ba443147ef418753ce1bde4d4e3
[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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d84cd397a1caa6f7c3556e708116d3160d3506ddbf7432263f69945773d42f1f
[INFO] running `Command { std: "docker" "start" "-a" "d84cd397a1caa6f7c3556e708116d3160d3506ddbf7432263f69945773d42f1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling sharded-log v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "d84cd397a1caa6f7c3556e708116d3160d3506ddbf7432263f69945773d42f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d84cd397a1caa6f7c3556e708116d3160d3506ddbf7432263f69945773d42f1f", kill_on_drop: false }`
[INFO] [stdout] d84cd397a1caa6f7c3556e708116d3160d3506ddbf7432263f69945773d42f1f
[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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7126d72c98c21a5591c38e78ce8c62212cd9c1295163965f0e578ce318e593a
[INFO] running `Command { std: "docker" "start" "-a" "a7126d72c98c21a5591c38e78ce8c62212cd9c1295163965f0e578ce318e593a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sharded_log-f928f8bf86b3ca04)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test concurrency ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- concurrency stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'concurrency' (17) panicked at src/lib.rs:522:20:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Custom { kind: ReadOnlyFilesystem, error: "sharded_log:src/lib.rs:110 -> sharded_log:src/lib.rs:94 -> Read-only file system (os error 30)" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6073a3aa52ea - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6073a3aa52ea - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6073a3aa52ea - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6073a3aa52ea - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6073a3ab98ca - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6073a3ab98ca - core[fa0eadad68403074]::fmt::write
[INFO] [stdout]    6:     0x6073a3aa9c82 - std[31e582c13f4e914f]::io::default_write_fmt::<alloc[49b8922c36ca62de]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6073a3aa9c82 - <alloc[49b8922c36ca62de]::vec::Vec<u8> as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x6073a3a82f9f - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6073a3a82f9f - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6073a3a9d269 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6073a3a36a5c - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x6073a3a36a5c - test[7530e63dc052480e]::test_main_with_exit_callback::<test[7530e63dc052480e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6073a3a9d422 - <alloc[49b8922c36ca62de]::boxed::Box<dyn for<'a, 'b> core[fa0eadad68403074]::ops::function::Fn<(&'a std[31e582c13f4e914f]::panic::PanicHookInfo<'b>,), Output = ()> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::Fn<(&std[31e582c13f4e914f]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x6073a3a9d422 - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6073a3a83058 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x6073a3a78189 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6073a3a83d6d - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6073a3ab9ffc - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6073a3ab9dd2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x6073a3a21fa1 - <core[fa0eadad68403074]::result::Result<(), std[31e582c13f4e914f]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x6073a3a21fa1 - sharded_log[27d7ae2648341048]::concurrency
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:522:20
[INFO] [stdout]   22:     0x6073a3a218a7 - sharded_log[27d7ae2648341048]::concurrency::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:509:17
[INFO] [stdout]   23:     0x6073a3a19976 - <sharded_log[27d7ae2648341048]::concurrency::{closure#0} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6073a3a2ab3b - <fn() -> core[fa0eadad68403074]::result::Result<(), alloc[49b8922c36ca62de]::string::String> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6073a3a2ab3b - test[7530e63dc052480e]::__rust_begin_short_backtrace::<core[fa0eadad68403074]::result::Result<(), alloc[49b8922c36ca62de]::string::String>, fn() -> core[fa0eadad68403074]::result::Result<(), alloc[49b8922c36ca62de]::string::String>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x6073a3a3752b - test[7530e63dc052480e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x6073a3a3752b - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<test[7530e63dc052480e]::run_test_in_process::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x6073a3a3752b - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<test[7530e63dc052480e]::run_test_in_process::{closure#0}>, core[fa0eadad68403074]::result::Result<(), alloc[49b8922c36ca62de]::string::String>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x6073a3a3752b - std[31e582c13f4e914f]::panicking::catch_unwind::<core[fa0eadad68403074]::result::Result<(), alloc[49b8922c36ca62de]::string::String>, core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<test[7530e63dc052480e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x6073a3a3752b - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<test[7530e63dc052480e]::run_test_in_process::{closure#0}>, core[fa0eadad68403074]::result::Result<(), alloc[49b8922c36ca62de]::string::String>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6073a3a3752b - test[7530e63dc052480e]::run_test_in_process
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x6073a3a3752b - test[7530e63dc052480e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x6073a3a31984 - test[7530e63dc052480e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x6073a3a31984 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<test[7530e63dc052480e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x6073a3a3a132 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<test[7530e63dc052480e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x6073a3a3a132 - <core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<test[7530e63dc052480e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x6073a3a3a132 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<test[7530e63dc052480e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x6073a3a3a132 - std[31e582c13f4e914f]::panicking::catch_unwind::<(), core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<test[7530e63dc052480e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x6073a3a3a132 - std[31e582c13f4e914f]::panic::catch_unwind::<core[fa0eadad68403074]::panic::unwind_safe::AssertUnwindSafe<std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<test[7530e63dc052480e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6073a3a3a132 - std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked::<test[7530e63dc052480e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x6073a3a3a132 - <std[31e582c13f4e914f]::thread::lifecycle::spawn_unchecked<test[7530e63dc052480e]::run_test::{closure#1}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6073a3aa4bff - <alloc[49b8922c36ca62de]::boxed::Box<dyn core[fa0eadad68403074]::ops::function::FnOnce<(), Output = ()> + core[fa0eadad68403074]::marker::Send> as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   43:     0x6073a3aa4bff - <std[31e582c13f4e914f]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x76c798121aa4 - <unknown>
[INFO] [stdout]   45:     0x76c7981aea64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     concurrency
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "a7126d72c98c21a5591c38e78ce8c62212cd9c1295163965f0e578ce318e593a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7126d72c98c21a5591c38e78ce8c62212cd9c1295163965f0e578ce318e593a", kill_on_drop: false }`
[INFO] [stdout] a7126d72c98c21a5591c38e78ce8c62212cd9c1295163965f0e578ce318e593a