[INFO] crate spawner 0.3.2 is already in cache
[INFO] extracting crate spawner 0.3.2 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/spawner/0.3.2
[INFO] extracting crate spawner 0.3.2 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/spawner/0.3.2
[INFO] validating manifest of spawner-0.3.2 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of spawner-0.3.2 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing spawner-0.3.2
[INFO] finished frobbing spawner-0.3.2
[INFO] frobbed toml for spawner-0.3.2 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/spawner/0.3.2/Cargo.toml
[INFO] started frobbing spawner-0.3.2
[INFO] finished frobbing spawner-0.3.2
[INFO] frobbed toml for spawner-0.3.2 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/spawner/0.3.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing spawner-0.3.2 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/spawner/0.3.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] b20167a105f4ad0b8074831c090f059f978b42034f13f3d1c17838ae5d5efc0d
[INFO] running `"docker" "start" "-a" "b20167a105f4ad0b8074831c090f059f978b42034f13f3d1c17838ae5d5efc0d"`
[INFO] [stderr]    Compiling spawner v0.3.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "b20167a105f4ad0b8074831c090f059f978b42034f13f3d1c17838ae5d5efc0d"`
[INFO] running `"docker" "rm" "-f" "b20167a105f4ad0b8074831c090f059f978b42034f13f3d1c17838ae5d5efc0d"`
[INFO] [stdout] b20167a105f4ad0b8074831c090f059f978b42034f13f3d1c17838ae5d5efc0d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/spawner/0.3.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2822f08cdaa78952f3c465880f33c6f31802a1a4b0e6d1a80770f1309dc3865a
[INFO] running `"docker" "start" "-a" "2822f08cdaa78952f3c465880f33c6f31802a1a4b0e6d1a80770f1309dc3865a"`
[INFO] [stderr]    Compiling spawner v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:63:46
[INFO] [stderr]    |
[INFO] [stderr] 63 |         use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:67:38
[INFO] [stderr]    |
[INFO] [stderr] 67 |         static ACTIVE: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "2822f08cdaa78952f3c465880f33c6f31802a1a4b0e6d1a80770f1309dc3865a"`
[INFO] running `"docker" "rm" "-f" "2822f08cdaa78952f3c465880f33c6f31802a1a4b0e6d1a80770f1309dc3865a"`
[INFO] [stdout] 2822f08cdaa78952f3c465880f33c6f31802a1a4b0e6d1a80770f1309dc3865a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/spawner/0.3.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 34dd555490f40316069ea76fd15077c912e939df60e2d47638ff382845a8eab8
[INFO] running `"docker" "start" "-a" "34dd555490f40316069ea76fd15077c912e939df60e2d47638ff382845a8eab8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/spawner-73d684f424c23666
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] thread '<unnamed>' panicked at 'explicit panic', src/lib.rs:113:45
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55f3c62e3043 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55f3c62dedcb - std::sys_common::backtrace::_print::he39717f7cfbd122d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x55f3c62e1cf6 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x55f3c62e1a74 - std::panicking::default_hook::hc2b73d8ffc772b35
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x55f3c62e2400 - std::panicking::rust_panic_with_hook::h625072734a147d22
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x55f3c62956b3 - std::panicking::begin_panic::h25e51dca76993cf7
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:412
[INFO] [stderr]    6:     0x55f3c6298ae8 - spawner::tests::failing_thread::{{closure}}::hb41f348b61f0073d
[INFO] [stderr]                                at src/lib.rs:113
[INFO] [stderr]    7:     0x55f3c6298c88 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4dffc0ebac07add7
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/sys_common/backtrace.rs:135
[INFO] [stderr]    8:     0x55f3c6291535 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hde96c43728ed7357
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:469
[INFO] [stderr]    9:     0x55f3c6293318 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfe1f67039187a47a
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:309
[INFO] [stderr]   10:     0x55f3c629593a - std::panicking::try::do_call::h01a861e4e878c2dd
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:297
[INFO] [stderr]   11:     0x55f3c62e55b9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   12:     0x55f3c6295884 - std::panicking::try::hcab4fc7daae5efdf
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276
[INFO] [stderr]   13:     0x55f3c6293328 - std::panic::catch_unwind::h708075b911eba050
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388
[INFO] [stderr]   14:     0x55f3c6291373 - std::thread::Builder::spawn_unchecked::{{closure}}::h7d1bb7726b94eee6
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:468
[INFO] [stderr]   15:     0x55f3c62918ec - <F as alloc::boxed::FnBox<A>>::call_box::h01b8ba9bcde1c438
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734
[INFO] [stderr]   16:     0x55f3c62e4cdd - std::sys::unix::thread::Thread::new::thread_start::h60ff5f253b4125d5
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:744
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stderr]   17:     0x7f57ba0e9493 - start_thread
[INFO] [stderr]   18:     0x7f57b9c14ace - __clone
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stdout] test tests::failing_thread ... ok
[INFO] [stdout] test tests::spawn_some_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spawner
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "34dd555490f40316069ea76fd15077c912e939df60e2d47638ff382845a8eab8"`
[INFO] running `"docker" "rm" "-f" "34dd555490f40316069ea76fd15077c912e939df60e2d47638ff382845a8eab8"`
[INFO] [stdout] 34dd555490f40316069ea76fd15077c912e939df60e2d47638ff382845a8eab8