[INFO] crate libmcs 0.1.0 is already in cache [INFO] extracting crate libmcs 0.1.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/libmcs/0.1.0 [INFO] extracting crate libmcs 0.1.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/libmcs/0.1.0 [INFO] validating manifest of libmcs-0.1.0 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 libmcs-0.1.0 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 libmcs-0.1.0 [INFO] finished frobbing libmcs-0.1.0 [INFO] frobbed toml for libmcs-0.1.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/libmcs/0.1.0/Cargo.toml [INFO] started frobbing libmcs-0.1.0 [INFO] finished frobbing libmcs-0.1.0 [INFO] frobbed toml for libmcs-0.1.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/libmcs/0.1.0/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 libmcs-0.1.0 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/libmcs/0.1.0:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"` [INFO] [stdout] 76668eda81c2197a4a0241ac6f0936203636a568daaaae5eea4af9b601f67125 [INFO] running `"docker" "start" "-a" "76668eda81c2197a4a0241ac6f0936203636a568daaaae5eea4af9b601f67125"` [INFO] [stderr] Compiling libmcs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `"docker" "inspect" "76668eda81c2197a4a0241ac6f0936203636a568daaaae5eea4af9b601f67125"` [INFO] running `"docker" "rm" "-f" "76668eda81c2197a4a0241ac6f0936203636a568daaaae5eea4af9b601f67125"` [INFO] [stdout] 76668eda81c2197a4a0241ac6f0936203636a568daaaae5eea4af9b601f67125 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/libmcs/0.1.0:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 21c17d372f10734f634f37b4e8021eb6aee6ac1639c71c3a749157e65551f680 [INFO] running `"docker" "start" "-a" "21c17d372f10734f634f37b4e8021eb6aee6ac1639c71c3a749157e65551f680"` [INFO] [stderr] Compiling libmcs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `"docker" "inspect" "21c17d372f10734f634f37b4e8021eb6aee6ac1639c71c3a749157e65551f680"` [INFO] running `"docker" "rm" "-f" "21c17d372f10734f634f37b4e8021eb6aee6ac1639c71c3a749157e65551f680"` [INFO] [stdout] 21c17d372f10734f634f37b4e8021eb6aee6ac1639c71c3a749157e65551f680 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/libmcs/0.1.0:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"` [INFO] [stdout] 223d192716ea3fee2dc7bc5a8c4ab764c453f0622cbfa566d5b3c913afbaf5f0 [INFO] running `"docker" "start" "-a" "223d192716ea3fee2dc7bc5a8c4ab764c453f0622cbfa566d5b3c913afbaf5f0"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/libmcs-ae70b76f61f352dc [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stderr] thread '' panicked at 'test panic in inner thread to poison mutex', src/mcs.rs:411:13 [INFO] [stdout] test mcs::tests::test_get_mut ... ok [INFO] [stdout] test mcs::tests::smoke ... ok [INFO] [stderr] thread '' panicked at 'test panic in inner thread to poison mutex', src/mcs.rs:388:13 [INFO] [stdout] test mcs::tests::test_into_inner ... ok [INFO] [stdout] test mcs::tests::test_into_inner_drop ... ok [INFO] [stderr] stack backtrace: [INFO] [stderr] thread '' panicked at 'explicit panic', src/mcs.rs:465:13 [INFO] [stdout] test mcs::tests::try_lock ... ok [INFO] [stderr] thread '' panicked at 'assertion failed: `(left == right)` [INFO] [stderr] left: `1`, [INFO] [stderr] right: `2`', src/mcs.rs:429:13 [INFO] [stdout] test mcs::tests::lots_and_lots ... ok [INFO] [stdout] test mcs::tests::test_mutex_unsized ... ok [INFO] [stdout] test mcs::tests::test_mutex_arc_nested ... ok [INFO] [stderr] 0: 0x556d11ed6033 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x556d11ed1d9b - std[698b411d1b74fcff]::sys_common::backtrace::_print [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stderr] 2: 0x556d11ed4cb6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1} [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:58 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 3: 0x556d11ed4a34 - std[698b411d1b74fcff]::panicking::default_hook [INFO] [stderr] at src/libstd/panicking.rs:215 [INFO] [stderr] 4: 0x556d11ed53c0 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook [INFO] [stderr] at src/libstd/panicking.rs:478 [INFO] [stderr] 5: 0x556d11e70523 - std[698b411d1b74fcff]::panicking::begin_panic::<&str> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:412 [INFO] [stderr] 6: 0x556d11e64b29 - libmcs[9d8dbd2ac81f64a1]::mcs::tests::test_get_mut_poison::{closure#0} [INFO] [stderr] at src/mcs.rs:411 [INFO] [stderr] 7: 0x556d11e68752 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace:: [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135 [INFO] [stderr] 8: 0x556d11e858fd - ::spawn_unchecked::::{closure#0}::{closure#0} [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469 [INFO] [stderr] 9: 0x556d11e75750 - ::spawn_unchecked::{closure#0}::{closure#0}> as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309 [INFO] [stderr] 10: 0x556d11e6fd54 - std[698b411d1b74fcff]::panicking::try::do_call::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297 [INFO] [stderr] 11: 0x556d11ed85e9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:92 [INFO] [stderr] 12: 0x556d11e7026d - std[698b411d1b74fcff]::panicking::try::<(), std[698b411d1b74fcff]::panic::AssertUnwindSafe<::spawn_unchecked::{closure#0}::{closure#0}>> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276 [INFO] [stderr] 13: 0x556d11e72a42 - std[698b411d1b74fcff]::panic::catch_unwind::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388 [INFO] [stderr] 14: 0x556d11e85095 - ::spawn_unchecked::::{closure#0} [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468 [INFO] [stderr] 15: 0x556d11e85c56 - <::spawn_unchecked::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734 [INFO] [stderr] 16: 0x556d11ed7d0d - ::new::thread_start [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/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: 0x7f372de36493 - start_thread [INFO] [stderr] 18: 0x7f372d961ace - __clone [INFO] [stderr] 19: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556d11ed6033 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x556d11ed1d9b - std[698b411d1b74fcff]::sys_common::backtrace::_print [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stderr] 2: 0x556d11ed4cb6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1} [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:58 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 3: 0x556d11ed4a34 - std[698b411d1b74fcff]::panicking::default_hook [INFO] [stderr] at src/libstd/panicking.rs:215 [INFO] [stderr] 4: 0x556d11ed53c0 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook [INFO] [stderr] at src/libstd/panicking.rs:478 [INFO] [stderr] 5: 0x556d11e70523 - std[698b411d1b74fcff]::panicking::begin_panic::<&str> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:412 [INFO] [stderr] 6: 0x556d11e64309 - libmcs[9d8dbd2ac81f64a1]::mcs::tests::test_into_inner_poison::{closure#0} [INFO] [stderr] at src/mcs.rs:388 [INFO] [stderr] 7: 0x556d11e68792 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace:: [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135 [INFO] [stderr] 8: 0x556d11e8591d - ::spawn_unchecked::::{closure#0}::{closure#0} [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469 [INFO] [stderr] 9: 0x556d11e75790 - ::spawn_unchecked::{closure#0}::{closure#0}> as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] test mcs::tests::test_into_inner_poison ... ok [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309 [INFO] [stdout] test mcs::tests::test_mutex_arc_poison ... ok [INFO] [stderr] 10: 0x556d11e6fdf4 - std[698b411d1b74fcff]::panicking::try::do_call::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297 [INFO] [stderr] 11: 0x556d11ed85e9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:92 [INFO] [stderr] 12: 0x556d11e7042d - std[698b411d1b74fcff]::panicking::try::<(), std[698b411d1b74fcff]::panic::AssertUnwindSafe<::spawn_unchecked::{closure#0}::{closure#0}>> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276 [INFO] [stderr] 13: 0x556d11e72aa2 - std[698b411d1b74fcff]::panic::catch_unwind::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388 [INFO] [stderr] 14: 0x556d11e85675 - ::spawn_unchecked::::{closure#0} [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468 [INFO] [stderr] 15: 0x556d11e85d16 - <::spawn_unchecked::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734 [INFO] [stderr] 16: 0x556d11ed7d0d - ::new::thread_start [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/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: 0x7f372de36493 - start_thread [INFO] [stderr] 18: 0x7f372d961ace - __clone [INFO] [stderr] 19: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556d11ed6033 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x556d11ed1d9b - std[698b411d1b74fcff]::sys_common::backtrace::_print [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stderr] 2: 0x556d11ed4cb6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1} [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:58 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 3: 0x556d11ed4a34 - std[698b411d1b74fcff]::panicking::default_hook [INFO] [stderr] at src/libstd/panicking.rs:215 [INFO] [stderr] 4: 0x556d11ed53c0 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook [INFO] [stderr] at src/libstd/panicking.rs:478 [INFO] [stderr] 5: 0x556d11e70523 - std[698b411d1b74fcff]::panicking::begin_panic::<&str> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:412 [INFO] [stderr] 6: 0x556d11e658ea - libmcs[9d8dbd2ac81f64a1]::mcs::tests::test_mutex_arc_access_in_unwind::{closure#0} [INFO] [stderr] at src/mcs.rs:465 [INFO] [stderr] 7: 0x556d11e68732 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace:: [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135 [INFO] [stderr] 8: 0x556d11e858ed - ::spawn_unchecked::::{closure#0}::{closure#0} [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469 [INFO] [stderr] 9: 0x556d11e75730 - ::spawn_unchecked::{closure#0}::{closure#0}> as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309 [INFO] [stderr] 10: 0x556d11e6fd04 - std[698b411d1b74fcff]::panicking::try::do_call::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297 [INFO] [stderr] 11: 0x556d11ed85e9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:92 [INFO] [stderr] 12: 0x556d11e7018d - std[698b411d1b74fcff]::panicking::try::<(), std[698b411d1b74fcff]::panic::AssertUnwindSafe<::spawn_unchecked::{closure#0}::{closure#0}>> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276 [INFO] [stderr] 13: 0x556d11e72a12 - std[698b411d1b74fcff]::panic::catch_unwind::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388 [INFO] [stderr] 14: 0x556d11e84da5 - ::spawn_unchecked::::{closure#0} [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468 [INFO] [stderr] 15: 0x556d11e85bf6 - <::spawn_unchecked::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734 [INFO] [stderr] 16: 0x556d11ed7d0d - ::new::thread_start [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/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: 0x7f372de36493 - start_thread [INFO] [stderr] 18: 0x7f372d961ace - __clone [INFO] [stderr] 19: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556d11ed6033 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x556d11ed1d9b - std[698b411d1b74fcff]::sys_common::backtrace::_print [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stderr] 2: 0x556d11ed4cb6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1} [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:58 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 3: 0x556d11ed4a34 - std[698b411d1b74fcff]::panicking::default_hook [INFO] [stderr] at src/libstd/panicking.rs:215 [INFO] [stderr] 4: 0x556d11ed53c0 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook [INFO] [stderr] at src/libstd/panicking.rs:478 [INFO] [stderr] 5: 0x556d11ed4f41 - std[698b411d1b74fcff]::panicking::continue_panic_fmt [INFO] [stderr] at src/libstd/panicking.rs:385 [INFO] [stderr] 6: 0x556d11ed4e8e - std[698b411d1b74fcff]::panicking::begin_panic_fmt [INFO] [stderr] at src/libstd/panicking.rs:340 [INFO] [stderr] 7: 0x556d11e64f91 - libmcs[9d8dbd2ac81f64a1]::mcs::tests::test_mutex_arc_poison::{closure#0} [INFO] [stderr] at src/mcs.rs:429 [INFO] [stderr] 8: 0x556d11e68772 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace:: [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135 [INFO] [stderr] 9: 0x556d11e8590d - ::spawn_unchecked::::{closure#0}::{closure#0} [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469 [INFO] [stderr] 10: 0x556d11e75770 - ::spawn_unchecked::{closure#0}::{closure#0}> as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309 [INFO] [stderr] 11: 0x556d11e6fda4 - std[698b411d1b74fcff]::panicking::try::do_call::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297 [INFO] [stderr] 12: 0x556d11ed85e9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:92 [INFO] [stderr] 13: 0x556d11e7034d - std[698b411d1b74fcff]::panicking::try::<(), std[698b411d1b74fcff]::panic::AssertUnwindSafe<::spawn_unchecked::{closure#0}::{closure#0}>> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276 [INFO] [stderr] 14: 0x556d11e72a72 - std[698b411d1b74fcff]::panic::catch_unwind::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388 [INFO] [stderr] 15: 0x556d11e85385 - ::spawn_unchecked::::{closure#0} [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468 [INFO] [stderr] 16: 0x556d11e85cb6 - <::spawn_unchecked::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734 [INFO] [stderr] 17: 0x556d11ed7d0d - ::new::thread_start [INFO] [stderr] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/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] 18: 0x7f372de36493 - start_thread [INFO] [stderr] 19: 0x7f372d961ace - __clone [INFO] [stderr] 20: 0x0 - [INFO] [stderr] Doc-tests libmcs [INFO] [stdout] test mcs::tests::test_mutex_arc_access_in_unwind ... ok [INFO] [stdout] test mcs::tests::test_get_mut_poison ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/mcs.rs - mcs::Mutex::new (line 138) ... ok [INFO] [stdout] test src/mcs.rs - mcs::Mutex (line 79) ... FAILED [INFO] [stdout] test src/mcs.rs - mcs::Mutex (line 37) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/mcs.rs - mcs::Mutex (line 79) stdout ---- [INFO] [stdout] error[E0252]: the name `Mutex` is defined multiple times [INFO] [stdout] --> src/mcs.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ----- previous import of the type `Mutex` here [INFO] [stdout] ... [INFO] [stdout] 7 | use libmcs::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^ `Mutex` reimported here [INFO] [stdout] | [INFO] [stdout] = note: `Mutex` must be defined only once in the type namespace of this block [INFO] [stdout] help: you can use `as` to change the binding name of the import [INFO] [stdout] | [INFO] [stdout] 7 | use libmcs::Mutex as OtherMutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] thread 'src/mcs.rs - mcs::Mutex (line 79)' panicked at 'couldn't compile the test', src/librustdoc/test.rs:354:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x7f7babc511e3 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x7f7babc499cb - std[698b411d1b74fcff]::sys_common::backtrace::_print [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stdout] 2: 0x7f7babc4d3f6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1} [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:58 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 3: 0x7f7babc4d0f7 - std[698b411d1b74fcff]::panicking::default_hook [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 4: 0x7f7badcac9ef - rustc[8198c0d23dc1abcc]::util::common::panic_hook [INFO] [stdout] 5: 0x7f7babc4dbcd - std[698b411d1b74fcff]::panicking::rust_panic_with_hook [INFO] [stdout] at src/libstd/panicking.rs:482 [INFO] [stdout] 6: 0x55581b14af44 - std[698b411d1b74fcff]::panicking::begin_panic::<&str> [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:412 [INFO] [stdout] 7: 0x55581b417603 - rustdoc[88d74997c65aea9c]::test::run_test [INFO] [stdout] at src/librustdoc/test.rs:354 [INFO] [stdout] 8: 0x55581b2f74e7 - >::set::::add_test::{closure#0}::{closure#0}::{closure#0}, ()>::{closure#0}, ()> [INFO] [stdout] at src/librustdoc/test.rs:754 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libsyntax/lib.rs:112 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155 [INFO] [stdout] 9: 0x55581b379961 - syntax[55b360ca1c87f545]::with_globals::<::add_test::{closure#0}::{closure#0}::{closure#0}, ()> [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libsyntax/lib.rs:111 [INFO] [stdout] 10: 0x55581b194508 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<::add_test::{closure#0}::{closure#0}, ()> [INFO] [stdout] at src/librustdoc/test.rs:751 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135 [INFO] [stdout] 11: 0x55581b14a573 - std[698b411d1b74fcff]::panicking::try::do_call::::spawn_unchecked<::add_test::{closure#0}::{closure#0}, ()>::{closure#0}::{closure#0}>, ()> [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297 [INFO] [stdout] 12: 0x7f7babc5f029 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:92 [INFO] [stdout] 13: 0x55581b1c4957 - <::spawn_unchecked<::add_test::{closure#0}::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468 [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734 [INFO] [stdout] 14: 0x7f7babc5ddbd - ::new::thread_start [INFO] [stdout] at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744 [INFO] [stdout] at src/libstd/sys_common/thread.rs:14 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:81 [INFO] [stdout] 15: 0x7f7bab7cf493 - start_thread [INFO] [stdout] 16: 0x7f7bab2faace - __clone [INFO] [stdout] 17: 0x0 - [INFO] [stdout] query stack during panic: [INFO] [stdout] end of query stack [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/mcs.rs - mcs::Mutex (line 79) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "223d192716ea3fee2dc7bc5a8c4ab764c453f0622cbfa566d5b3c913afbaf5f0"` [INFO] running `"docker" "rm" "-f" "223d192716ea3fee2dc7bc5a8c4ab764c453f0622cbfa566d5b3c913afbaf5f0"` [INFO] [stdout] 223d192716ea3fee2dc7bc5a8c4ab764c453f0622cbfa566d5b3c913afbaf5f0