Dec 07 07:36:29.781 INFO testing mcs-0.1.1 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514 Dec 07 07:36:29.781 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 07 07:36:30.075 INFO [stdout] 86d0c483bc97bb4cebbf604ef8bc980711655b0035f6519a35ff95f9c1059dfe Dec 07 07:36:30.078 INFO running `"docker" "start" "-a" "86d0c483bc97bb4cebbf604ef8bc980711655b0035f6519a35ff95f9c1059dfe"` Dec 07 07:36:30.652 INFO [stderr] usermod: no changes Dec 07 07:36:30.688 INFO [stderr] Compiling mcs v0.1.1 (/source) Dec 07 07:36:30.794 INFO [stderr] warning: unnecessary `unsafe` block Dec 07 07:36:30.794 INFO [stderr] --> src/mutex.rs:117:9 Dec 07 07:36:30.794 INFO [stderr] | Dec 07 07:36:30.794 INFO [stderr] 117 | unsafe { Dec 07 07:36:30.794 INFO [stderr] | ^^^^^^ unnecessary `unsafe` block Dec 07 07:36:30.794 INFO [stderr] | Dec 07 07:36:30.794 INFO [stderr] = note: #[warn(unused_unsafe)] on by default Dec 07 07:36:30.794 INFO [stderr] Dec 07 07:36:30.794 INFO [stderr] warning: the feature `generic_param_attrs` has been stable since 1.27.0 and no longer requires an attribute to enable Dec 07 07:36:30.794 INFO [stderr] --> src/lib.rs:1:58 Dec 07 07:36:30.794 INFO [stderr] | Dec 07 07:36:30.794 INFO [stderr] 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))] Dec 07 07:36:30.794 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^ Dec 07 07:36:30.794 INFO [stderr] | Dec 07 07:36:30.794 INFO [stderr] = note: #[warn(stable_features)] on by default Dec 07 07:36:30.794 INFO [stderr] Dec 07 07:36:30.817 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.14s Dec 07 07:36:30.823 INFO [stderr] su: No module specific data is present Dec 07 07:36:31.134 INFO running `"docker" "inspect" "86d0c483bc97bb4cebbf604ef8bc980711655b0035f6519a35ff95f9c1059dfe"` Dec 07 07:36:31.268 INFO running `"docker" "rm" "-f" "86d0c483bc97bb4cebbf604ef8bc980711655b0035f6519a35ff95f9c1059dfe"` Dec 07 07:36:31.434 INFO [stdout] 86d0c483bc97bb4cebbf604ef8bc980711655b0035f6519a35ff95f9c1059dfe Dec 07 07:36:31.436 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 07 07:36:31.625 INFO [stdout] e846c51b8c4975f937ed074feca4a42babb1954ce8f7e2f7c138025095ae1b60 Dec 07 07:36:31.627 INFO running `"docker" "start" "-a" "e846c51b8c4975f937ed074feca4a42babb1954ce8f7e2f7c138025095ae1b60"` Dec 07 07:36:32.185 INFO [stderr] usermod: no changes Dec 07 07:36:32.206 INFO [stderr] Compiling mcs v0.1.1 (/source) Dec 07 07:36:32.906 INFO [stderr] warning: unnecessary `unsafe` block Dec 07 07:36:32.906 INFO [stderr] --> src/mutex.rs:117:9 Dec 07 07:36:32.906 INFO [stderr] | Dec 07 07:36:32.906 INFO [stderr] 117 | unsafe { Dec 07 07:36:32.906 INFO [stderr] | ^^^^^^ unnecessary `unsafe` block Dec 07 07:36:32.906 INFO [stderr] | Dec 07 07:36:32.906 INFO [stderr] = note: #[warn(unused_unsafe)] on by default Dec 07 07:36:32.906 INFO [stderr] Dec 07 07:36:32.907 INFO [stderr] warning: the feature `generic_param_attrs` has been stable since 1.27.0 and no longer requires an attribute to enable Dec 07 07:36:32.907 INFO [stderr] --> src/lib.rs:1:58 Dec 07 07:36:32.907 INFO [stderr] | Dec 07 07:36:32.907 INFO [stderr] 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))] Dec 07 07:36:32.907 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^ Dec 07 07:36:32.907 INFO [stderr] | Dec 07 07:36:32.907 INFO [stderr] = note: #[warn(stable_features)] on by default Dec 07 07:36:32.907 INFO [stderr] Dec 07 07:36:33.981 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.78s Dec 07 07:36:33.988 INFO [stderr] su: No module specific data is present Dec 07 07:36:34.534 INFO running `"docker" "inspect" "e846c51b8c4975f937ed074feca4a42babb1954ce8f7e2f7c138025095ae1b60"` Dec 07 07:36:34.718 INFO running `"docker" "rm" "-f" "e846c51b8c4975f937ed074feca4a42babb1954ce8f7e2f7c138025095ae1b60"` Dec 07 07:36:34.903 INFO [stdout] e846c51b8c4975f937ed074feca4a42babb1954ce8f7e2f7c138025095ae1b60 Dec 07 07:36:34.905 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 07 07:36:35.158 INFO [stdout] b2a6059ac679f2926a270c8eadde2c97457e57ee89ec1008db78670efc7d66ab Dec 07 07:36:35.161 INFO running `"docker" "start" "-a" "b2a6059ac679f2926a270c8eadde2c97457e57ee89ec1008db78670efc7d66ab"` Dec 07 07:36:36.045 INFO [stderr] usermod: no changes Dec 07 07:36:36.136 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s Dec 07 07:36:36.137 INFO [stderr] Running /target/debug/deps/mcs-0bc64017e6568f7d Dec 07 07:36:36.144 INFO [stdout] Dec 07 07:36:36.144 INFO [stdout] running 9 tests Dec 07 07:36:36.144 INFO [stdout] test mutex::test::test_lock_unsized ... ok Dec 07 07:36:36.144 INFO [stdout] test mutex::test::test_into_inner ... ok Dec 07 07:36:36.144 INFO [stdout] test mutex::test::test_get_mut ... ok Dec 07 07:36:36.144 INFO [stdout] test mutex::test::try_lock ... ok Dec 07 07:36:36.144 INFO [stdout] test mutex::test::smoke ... ok Dec 07 07:36:36.144 INFO [stdout] test mutex::test::test_lock_arc_nested ... ok Dec 07 07:36:36.144 INFO [stdout] test mutex::test::test_into_inner_drop ... ok Dec 07 07:36:36.148 INFO [stderr] thread '' panicked at 'explicit panic', src/mutex.rs:384:13 Dec 07 07:36:36.160 INFO [stdout] test mutex::test::lots_and_lots ... ok Dec 07 07:36:36.160 INFO [stderr] stack backtrace: Dec 07 07:36:36.184 INFO [stderr] 0: 0x55a3afdf2d23 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h3c2ada0a2db8c5e7 Dec 07 07:36:36.244 INFO [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Dec 07 07:36:36.244 INFO [stderr] 1: 0x55a3afded448 - std::sys_common::backtrace::_print::h95865c77318e98b7 Dec 07 07:36:36.244 INFO [stderr] at src/libstd/sys_common/backtrace.rs:71 Dec 07 07:36:36.244 INFO [stderr] 2: 0x55a3afdf1c92 - std::panicking::default_hook::{{closure}}::hb3d1f299fcea42e5 Dec 07 07:36:36.244 INFO [stderr] at src/libstd/sys_common/backtrace.rs:59 Dec 07 07:36:36.244 INFO [stderr] at src/libstd/panicking.rs:211 Dec 07 07:36:36.244 INFO [stderr] 3: 0x55a3afdf19fd - std::panicking::default_hook::h4eae6f26f73244c8 Dec 07 07:36:36.244 INFO [stderr] at src/libstd/panicking.rs:227 Dec 07 07:36:36.244 INFO [stderr] 4: 0x55a3afdf23a0 - std::panicking::rust_panic_with_hook::h368d37fd53b59464 Dec 07 07:36:36.244 INFO [stderr] at src/libstd/panicking.rs:491 Dec 07 07:36:36.244 INFO [stderr] 5: 0x55a3afdf1f21 - std::panicking::continue_panic_fmt::h1599d634b3be4304 Dec 07 07:36:36.244 INFO [stderr] at src/libstd/panicking.rs:398 Dec 07 07:36:36.244 INFO [stderr] 6: 0x55a3afdf1e05 - rust_begin_unwind Dec 07 07:36:36.244 INFO [stderr] at src/libstd/panicking.rs:325 Dec 07 07:36:36.244 INFO [stderr] 7: 0x55a3afe021cc - core::panicking::panic_fmt::hdc202e6077c95723 Dec 07 07:36:36.292 INFO [stderr] at src/libcore/panicking.rs:95 Dec 07 07:36:36.292 INFO [stdout] test mutex::test::test_lock_arc_access_in_unwind ... ok Dec 07 07:36:36.292 INFO [stderr] 8: 0x55a3afe020fb - core::panicking::panic::he64013e7bc5cd117 Dec 07 07:36:36.292 INFO [stdout] Dec 07 07:36:36.292 INFO [stderr] at src/libcore/panicking.rs:59 Dec 07 07:36:36.292 INFO [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 07 07:36:36.292 INFO [stderr] 9: 0x55a3afd984e2 - mcs::mutex::test::test_lock_arc_access_in_unwind::{{closure}}::hdccb72fe59336084 Dec 07 07:36:36.292 INFO [stdout] Dec 07 07:36:36.292 INFO [stderr] at src/mutex.rs:384 Dec 07 07:36:36.292 INFO [stderr] 10: 0x55a3afd9ddd2 - std::sys_common::backtrace::__rust_begin_short_backtrace::h258ba93d1dd42a9a Dec 07 07:36:36.292 INFO [stderr] at /rustc/906deae0790bd18681b937fe9a141a3c26cf1855/src/libstd/sys_common/backtrace.rs:136 Dec 07 07:36:36.292 INFO [stderr] 11: 0x55a3afd930ad - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hc040ad2b2ede31df Dec 07 07:36:36.292 INFO [stderr] at /rustc/906deae0790bd18681b937fe9a141a3c26cf1855/src/libstd/thread/mod.rs:477 Dec 07 07:36:36.292 INFO [stderr] 12: 0x55a3afda4e20 - as core::ops::function::FnOnce<()>>::call_once::h4dcc1947067480b7 Dec 07 07:36:36.292 INFO [stderr] at /rustc/906deae0790bd18681b937fe9a141a3c26cf1855/src/libstd/panic.rs:319 Dec 07 07:36:36.292 INFO [stderr] 13: 0x55a3afd9e2b4 - std::panicking::try::do_call::h721240614d8cf447 Dec 07 07:36:36.292 INFO [stderr] at /rustc/906deae0790bd18681b937fe9a141a3c26cf1855/src/libstd/panicking.rs:310 Dec 07 07:36:36.292 INFO [stderr] 14: 0x55a3afe00a09 - __rust_maybe_catch_panic Dec 07 07:36:36.292 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Dec 07 07:36:36.292 INFO [stderr] 15: 0x55a3afd9defd - std::panicking::try::h3e41600fcb8af116 Dec 07 07:36:36.292 INFO [stderr] at /rustc/906deae0790bd18681b937fe9a141a3c26cf1855/src/libstd/panicking.rs:289 Dec 07 07:36:36.292 INFO [stderr] 16: 0x55a3afda5132 - std::panic::catch_unwind::hac65d2cd07f878a4 Dec 07 07:36:36.292 INFO [stderr] at /rustc/906deae0790bd18681b937fe9a141a3c26cf1855/src/libstd/panic.rs:398 Dec 07 07:36:36.292 INFO [stderr] 17: 0x55a3afd92e35 - std::thread::Builder::spawn_unchecked::{{closure}}::hf142168177b1a85d Dec 07 07:36:36.293 INFO [stderr] at /rustc/906deae0790bd18681b937fe9a141a3c26cf1855/src/libstd/thread/mod.rs:476 Dec 07 07:36:36.293 INFO [stderr] 18: 0x55a3afd93906 - >::call_box::ha3b2818f22eba683 Dec 07 07:36:36.293 INFO [stderr] at /rustc/906deae0790bd18681b937fe9a141a3c26cf1855/src/liballoc/boxed.rs:673 Dec 07 07:36:36.293 INFO [stderr] 19: 0x55a3afdf492d - std::sys::unix::thread::Thread::new::thread_start::hea5f7f9c570dc4cd Dec 07 07:36:36.293 INFO [stderr] at /rustc/906deae0790bd18681b937fe9a141a3c26cf1855/src/liballoc/boxed.rs:683 Dec 07 07:36:36.293 INFO [stderr] at src/libstd/sys_common/thread.rs:24 Dec 07 07:36:36.293 INFO [stderr] at src/libstd/sys/unix/thread.rs:90 Dec 07 07:36:36.293 INFO [stderr] 20: 0x7f4a777a36b9 - start_thread Dec 07 07:36:36.293 INFO [stderr] 21: 0x7f4a772c341c - clone Dec 07 07:36:36.293 INFO [stderr] 22: 0x0 - Dec 07 07:36:36.300 INFO [stderr] Doc-tests mcs Dec 07 07:36:36.397 INFO [stdout] Dec 07 07:36:36.397 INFO [stdout] running 1 test Dec 07 07:36:38.236 INFO [stdout] test src/mutex.rs - mutex::Mutex (line 34) ... ok Dec 07 07:36:38.236 INFO [stdout] Dec 07 07:36:38.236 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 07 07:36:38.236 INFO [stdout] Dec 07 07:36:38.259 INFO [stderr] su: No module specific data is present Dec 07 07:36:39.358 INFO running `"docker" "inspect" "b2a6059ac679f2926a270c8eadde2c97457e57ee89ec1008db78670efc7d66ab"` Dec 07 07:36:39.814 INFO running `"docker" "rm" "-f" "b2a6059ac679f2926a270c8eadde2c97457e57ee89ec1008db78670efc7d66ab"` Dec 07 07:36:40.140 INFO [stdout] b2a6059ac679f2926a270c8eadde2c97457e57ee89ec1008db78670efc7d66ab