Nov 18 06:34:35.686 INFO testing mcs-0.1.1 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982 Nov 18 06:34:35.686 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"` Nov 18 06:34:35.841 INFO [stdout] 26bda938f005739b6b12d5ec27f5b3f0174d764af4ec710394c7688fe5f350dd Nov 18 06:34:35.844 INFO running `"docker" "start" "-a" "26bda938f005739b6b12d5ec27f5b3f0174d764af4ec710394c7688fe5f350dd"` Nov 18 06:34:36.279 INFO [stderr] usermod: no changes Nov 18 06:34:36.311 INFO [stderr] Compiling mcs v0.1.1 (/source) Nov 18 06:34:36.390 INFO [stderr] warning: unnecessary `unsafe` block Nov 18 06:34:36.390 INFO [stderr] --> src/mutex.rs:117:9 Nov 18 06:34:36.390 INFO [stderr] | Nov 18 06:34:36.390 INFO [stderr] 117 | unsafe { Nov 18 06:34:36.390 INFO [stderr] | ^^^^^^ unnecessary `unsafe` block Nov 18 06:34:36.390 INFO [stderr] | Nov 18 06:34:36.390 INFO [stderr] = note: #[warn(unused_unsafe)] on by default Nov 18 06:34:36.390 INFO [stderr] Nov 18 06:34:36.390 INFO [stderr] warning: the feature `generic_param_attrs` has been stable since 1.27.0 and no longer requires an attribute to enable Nov 18 06:34:36.390 INFO [stderr] --> src/lib.rs:1:58 Nov 18 06:34:36.390 INFO [stderr] | Nov 18 06:34:36.390 INFO [stderr] 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))] Nov 18 06:34:36.390 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^ Nov 18 06:34:36.390 INFO [stderr] | Nov 18 06:34:36.390 INFO [stderr] = note: #[warn(stable_features)] on by default Nov 18 06:34:36.390 INFO [stderr] Nov 18 06:34:36.409 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.11s Nov 18 06:34:36.412 INFO [stderr] su: No module specific data is present Nov 18 06:34:36.804 INFO running `"docker" "inspect" "26bda938f005739b6b12d5ec27f5b3f0174d764af4ec710394c7688fe5f350dd"` Nov 18 06:34:36.905 INFO running `"docker" "rm" "-f" "26bda938f005739b6b12d5ec27f5b3f0174d764af4ec710394c7688fe5f350dd"` Nov 18 06:34:37.035 INFO [stdout] 26bda938f005739b6b12d5ec27f5b3f0174d764af4ec710394c7688fe5f350dd Nov 18 06:34:37.039 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"` Nov 18 06:34:37.224 INFO [stdout] 081d1fff95276b5a1ff00122053e9e1da7675d128443e23f5da85c849b04194a Nov 18 06:34:37.226 INFO running `"docker" "start" "-a" "081d1fff95276b5a1ff00122053e9e1da7675d128443e23f5da85c849b04194a"` Nov 18 06:34:37.703 INFO [stderr] usermod: no changes Nov 18 06:34:37.711 INFO [stderr] Compiling mcs v0.1.1 (/source) Nov 18 06:34:38.299 INFO [stderr] warning: unnecessary `unsafe` block Nov 18 06:34:38.300 INFO [stderr] --> src/mutex.rs:117:9 Nov 18 06:34:38.300 INFO [stderr] | Nov 18 06:34:38.300 INFO [stderr] 117 | unsafe { Nov 18 06:34:38.300 INFO [stderr] | ^^^^^^ unnecessary `unsafe` block Nov 18 06:34:38.300 INFO [stderr] | Nov 18 06:34:38.300 INFO [stderr] = note: #[warn(unused_unsafe)] on by default Nov 18 06:34:38.300 INFO [stderr] Nov 18 06:34:38.301 INFO [stderr] warning: the feature `generic_param_attrs` has been stable since 1.27.0 and no longer requires an attribute to enable Nov 18 06:34:38.301 INFO [stderr] --> src/lib.rs:1:58 Nov 18 06:34:38.301 INFO [stderr] | Nov 18 06:34:38.301 INFO [stderr] 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))] Nov 18 06:34:38.301 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^ Nov 18 06:34:38.301 INFO [stderr] | Nov 18 06:34:38.302 INFO [stderr] = note: #[warn(stable_features)] on by default Nov 18 06:34:38.302 INFO [stderr] Nov 18 06:34:39.179 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.47s Nov 18 06:34:39.179 INFO [stderr] su: No module specific data is present Nov 18 06:34:39.578 INFO running `"docker" "inspect" "081d1fff95276b5a1ff00122053e9e1da7675d128443e23f5da85c849b04194a"` Nov 18 06:34:39.842 INFO running `"docker" "rm" "-f" "081d1fff95276b5a1ff00122053e9e1da7675d128443e23f5da85c849b04194a"` Nov 18 06:34:40.130 INFO [stdout] 081d1fff95276b5a1ff00122053e9e1da7675d128443e23f5da85c849b04194a Nov 18 06:34:40.135 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"` Nov 18 06:34:40.548 INFO [stdout] 94ccc8875d3f2b0806209ccd375867b6eaefedcd80e241095a374f45f9c9a964 Nov 18 06:34:40.557 INFO running `"docker" "start" "-a" "94ccc8875d3f2b0806209ccd375867b6eaefedcd80e241095a374f45f9c9a964"` Nov 18 06:34:41.556 INFO [stderr] usermod: no changes Nov 18 06:34:41.595 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s Nov 18 06:34:41.601 INFO [stderr] Running /target/debug/deps/mcs-5c087513ffbd83d5 Nov 18 06:34:41.611 INFO [stdout] Nov 18 06:34:41.612 INFO [stdout] running 9 tests Nov 18 06:34:41.627 INFO [stdout] test mutex::test::smoke ... ok Nov 18 06:34:41.628 INFO [stdout] test mutex::test::test_into_inner ... ok Nov 18 06:34:41.628 INFO [stdout] test mutex::test::test_get_mut ... ok Nov 18 06:34:41.628 INFO [stdout] test mutex::test::test_lock_unsized ... ok Nov 18 06:34:41.628 INFO [stdout] test mutex::test::test_into_inner_drop ... ok Nov 18 06:34:41.631 INFO [stderr] thread '' panicked at 'explicit panic', src/mutex.rs:384:13 Nov 18 06:34:41.631 INFO [stderr] stack backtrace: Nov 18 06:34:41.632 INFO [stdout] test mutex::test::test_lock_arc_nested ... ok Nov 18 06:34:41.632 INFO [stdout] test mutex::test::try_lock ... ok Nov 18 06:34:41.632 INFO [stdout] test mutex::test::lots_and_lots ... ok Nov 18 06:34:41.695 INFO [stderr] 0: 0x55f0f9ee69f3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h26df0f6fdb27c709 Nov 18 06:34:41.699 INFO [stderr] at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Nov 18 06:34:41.700 INFO [stderr] 1: 0x55f0f9ee12c8 - std::sys_common::backtrace::_print::h84c40fecda6d638e Nov 18 06:34:41.700 INFO [stderr] at libstd/sys_common/backtrace.rs:71 Nov 18 06:34:41.700 INFO [stderr] 2: 0x55f0f9ee5964 - std::panicking::default_hook::{{closure}}::h77e370c0567fc0a7 Nov 18 06:34:41.701 INFO [stderr] at libstd/sys_common/backtrace.rs:59 Nov 18 06:34:41.701 INFO [stderr] at libstd/panicking.rs:211 Nov 18 06:34:41.701 INFO [stderr] 3: 0x55f0f9ee56cd - std::panicking::default_hook::hb9a45c11a33bbcb2 Nov 18 06:34:41.702 INFO [stderr] at libstd/panicking.rs:227 Nov 18 06:34:41.702 INFO [stderr] 4: 0x55f0f9ee6070 - std::panicking::rust_panic_with_hook::ha8d95048d940f754 Nov 18 06:34:41.702 INFO [stderr] at libstd/panicking.rs:476 Nov 18 06:34:41.703 INFO [stderr] 5: 0x55f0f9ee5bf1 - std::panicking::continue_panic_fmt::hfc82a3747387e2c6 Nov 18 06:34:41.703 INFO [stderr] at libstd/panicking.rs:390 Nov 18 06:34:41.703 INFO [stderr] 6: 0x55f0f9ee5ad5 - rust_begin_unwind Nov 18 06:34:41.703 INFO [stderr] at libstd/panicking.rs:325 Nov 18 06:34:41.704 INFO [stderr] 7: 0x55f0f9ef601c - core::panicking::panic_fmt::h0b2a5728bdf6d5e2 Nov 18 06:34:41.743 INFO [stderr] at libcore/panicking.rs:77 Nov 18 06:34:41.744 INFO [stderr] 8: 0x55f0f9ef5f4b - core::panicking::panic::had046eafe2ba202b Nov 18 06:34:41.744 INFO [stderr] at libcore/panicking.rs:52 Nov 18 06:34:41.744 INFO [stderr] 9: 0x55f0f9e8c192 - mcs::mutex::test::test_lock_arc_access_in_unwind::{{closure}}::h657237d9eeaab2ac Nov 18 06:34:41.744 INFO [stderr] at src/mutex.rs:384 Nov 18 06:34:41.745 INFO [stderr] 10: 0x55f0f9e915f2 - std::sys_common::backtrace::__rust_begin_short_backtrace::he8f43114243a1398 Nov 18 06:34:41.745 INFO [stderr] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/sys_common/backtrace.rs:136 Nov 18 06:34:41.745 INFO [stderr] 11: 0x55f0f9e86dfd - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h60e3422b15be5fdb Nov 18 06:34:41.746 INFO [stderr] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/thread/mod.rs:477 Nov 18 06:34:41.753 INFO [stderr] 12: 0x55f0f9e988a0 - as core::ops::function::FnOnce<()>>::call_once::hde1205a53f318c5e Nov 18 06:34:41.753 INFO [stderr] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panic.rs:319 Nov 18 06:34:41.754 INFO [stderr] 13: 0x55f0f9e91a84 - std::panicking::try::do_call::h687b188665748f5f Nov 18 06:34:41.754 INFO [stderr] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panicking.rs:310 Nov 18 06:34:41.754 INFO [stderr] 14: 0x55f0f9ef48f9 - __rust_maybe_catch_panic Nov 18 06:34:41.754 INFO [stderr] at libpanic_unwind/lib.rs:102 Nov 18 06:34:41.755 INFO [stderr] 15: 0x55f0f9e919bd - std::panicking::try::h9081b793679303b9 Nov 18 06:34:41.755 INFO [stderr] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panicking.rs:289 Nov 18 06:34:41.755 INFO [stderr] 16: 0x55f0f9e98b52 - std::panic::catch_unwind::hb52e1e6bf8dcd77a Nov 18 06:34:41.755 INFO [stderr] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/panic.rs:398 Nov 18 06:34:41.756 INFO [stderr] 17: 0x55f0f9e865bc - std::thread::Builder::spawn_unchecked::{{closure}}::h48ac4f8dd6cc578a Nov 18 06:34:41.756 INFO [stderr] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/libstd/thread/mod.rs:476 Nov 18 06:34:41.756 INFO [stderr] 18: 0x55f0f9e87726 - >::call_box::hd0bbae571a4e1cf7 Nov 18 06:34:41.757 INFO [stderr] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/liballoc/boxed.rs:673 Nov 18 06:34:41.758 INFO [stderr] 19: 0x55f0f9ee873d - std::sys::unix::thread::Thread::new::thread_start::h8526625243d2f13b Nov 18 06:34:41.759 INFO [stderr] at /rustc/2e026d6e5d7621634147ad4c8074f1d964dbb1be/src/liballoc/boxed.rs:683 Nov 18 06:34:41.759 INFO [stderr] at libstd/sys_common/thread.rs:24 Nov 18 06:34:41.759 INFO [stderr] at libstd/sys/unix/thread.rs:90 Nov 18 06:34:41.759 INFO [stderr] 20: 0x7fa86399e6b9 - start_thread Nov 18 06:34:41.760 INFO [stderr] 21: 0x7fa8634be41c - clone Nov 18 06:34:41.760 INFO [stderr] 22: 0x0 - Nov 18 06:34:41.760 INFO [stdout] test mutex::test::test_lock_arc_access_in_unwind ... ok Nov 18 06:34:41.760 INFO [stdout] Nov 18 06:34:41.761 INFO [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Nov 18 06:34:41.761 INFO [stdout] Nov 18 06:34:41.763 INFO [stderr] Doc-tests mcs Nov 18 06:34:41.864 INFO [stdout] Nov 18 06:34:41.864 INFO [stdout] running 1 test Nov 18 06:34:43.549 INFO [stdout] test src/mutex.rs - mutex::Mutex (line 34) ... ok Nov 18 06:34:43.549 INFO [stdout] Nov 18 06:34:43.549 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Nov 18 06:34:43.549 INFO [stdout] Nov 18 06:34:43.571 INFO [stderr] su: No module specific data is present Nov 18 06:34:44.339 INFO running `"docker" "inspect" "94ccc8875d3f2b0806209ccd375867b6eaefedcd80e241095a374f45f9c9a964"` Nov 18 06:34:44.665 INFO running `"docker" "rm" "-f" "94ccc8875d3f2b0806209ccd375867b6eaefedcd80e241095a374f45f9c9a964"` Nov 18 06:34:45.027 INFO [stdout] 94ccc8875d3f2b0806209ccd375867b6eaefedcd80e241095a374f45f9c9a964