[INFO] fetching crate stoppable_thread 0.2.1... [INFO] testing stoppable_thread-0.2.1 against master#404c8471aba60c2d837fa728e7c729a0f52d5830 for pr-87041-1 [INFO] extracting crate stoppable_thread 0.2.1 into /workspace/builds/worker-92/source [INFO] validating manifest of crates.io crate stoppable_thread 0.2.1 on toolchain 404c8471aba60c2d837fa728e7c729a0f52d5830 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate stoppable_thread 0.2.1 [INFO] finished tweaking crates.io crate stoppable_thread 0.2.1 [INFO] tweaked toml for crates.io crate stoppable_thread 0.2.1 written to /workspace/builds/worker-92/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7b3bf605c9c1c3214bd763d13be5f2cf90e51c73bfc1247cbdf27b7892e36324 [INFO] running `Command { std: "docker" "start" "-a" "7b3bf605c9c1c3214bd763d13be5f2cf90e51c73bfc1247cbdf27b7892e36324", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b3bf605c9c1c3214bd763d13be5f2cf90e51c73bfc1247cbdf27b7892e36324", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b3bf605c9c1c3214bd763d13be5f2cf90e51c73bfc1247cbdf27b7892e36324", kill_on_drop: false }` [INFO] [stdout] 7b3bf605c9c1c3214bd763d13be5f2cf90e51c73bfc1247cbdf27b7892e36324 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4ffe063a016cb66975795e1d1d3df0b36077d7952662582a9395bd6305eae9a [INFO] running `Command { std: "docker" "start" "-a" "e4ffe063a016cb66975795e1d1d3df0b36077d7952662582a9395bd6305eae9a", kill_on_drop: false }` [INFO] [stderr] Compiling stoppable_thread v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "e4ffe063a016cb66975795e1d1d3df0b36077d7952662582a9395bd6305eae9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4ffe063a016cb66975795e1d1d3df0b36077d7952662582a9395bd6305eae9a", kill_on_drop: false }` [INFO] [stdout] e4ffe063a016cb66975795e1d1d3df0b36077d7952662582a9395bd6305eae9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b8bdc068de3fed528c1e36c88fe62a7ba841b37e2fa7e5a426fc557170355ec [INFO] running `Command { std: "docker" "start" "-a" "6b8bdc068de3fed528c1e36c88fe62a7ba841b37e2fa7e5a426fc557170355ec", kill_on_drop: false }` [INFO] [stderr] Compiling stoppable_thread v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `stopping` [INFO] [stdout] --> src/lib.rs:225:13 [INFO] [stdout] | [INFO] [stdout] 225 | let stopping = Stopping::new(spawn(move |stopped| [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stopping` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `joining` [INFO] [stdout] --> src/lib.rs:229:13 [INFO] [stdout] | [INFO] [stdout] 229 | let joining = Joining::new(spawn(move |stopped| [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_joining` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "6b8bdc068de3fed528c1e36c88fe62a7ba841b37e2fa7e5a426fc557170355ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b8bdc068de3fed528c1e36c88fe62a7ba841b37e2fa7e5a426fc557170355ec", kill_on_drop: false }` [INFO] [stdout] 6b8bdc068de3fed528c1e36c88fe62a7ba841b37e2fa7e5a426fc557170355ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a16ed145a48bef5c0c740fe47aa39ff270df4c05fbf3f4e159da16992fe006f8 [INFO] running `Command { std: "docker" "start" "-a" "a16ed145a48bef5c0c740fe47aa39ff270df4c05fbf3f4e159da16992fe006f8", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `stopping` [INFO] [stderr] --> src/lib.rs:225:13 [INFO] [stderr] | [INFO] [stderr] 225 | let stopping = Stopping::new(spawn(move |stopped| [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stopping` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `joining` [INFO] [stderr] --> src/lib.rs:229:13 [INFO] [stderr] | [INFO] [stderr] 229 | let joining = Joining::new(spawn(move |stopped| [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_joining` [INFO] [stderr] [INFO] [stderr] warning: `stoppable_thread` (lib test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stoppable_thread-6223e458ed5a1387) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_stoppable_thead ... ok [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] [stdout] test test_guard ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_guard stdout ---- [INFO] [stdout] thread 'test_guard' panicked at 'assertion failed: *sc > 1 && *sc < 5', src/lib.rs:238:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5578603744bc - std::backtrace_rs::backtrace::libunwind::trace::hf7449935ead7573e [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5578603744bc - std::backtrace_rs::backtrace::trace_unsynchronized::h221aa2d88d72372a [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5578603744bc - std::sys_common::backtrace::_print_fmt::h1c77e8983e1df895 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5578603744bc - ::fmt::hd4ec41a9a6b0d22c [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5578603971ec - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x5578603703a5 - std::io::Write::write_fmt::h4a32d0934f160ec4 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/io/mod.rs:1660:15 [INFO] [stdout] 6: 0x557860375f10 - std::sys_common::backtrace::_print::h2d15cd157796a64a [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x557860375f10 - std::sys_common::backtrace::print::h52d286d22e2398eb [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x557860375f10 - std::panicking::default_hook::{{closure}}::h6da08fba6306daf2 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x557860375af6 - std::panicking::default_hook::h266f67a22e76b11a [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x5578603765c4 - std::panicking::rust_panic_with_hook::he55698a957f4fb6d [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x557860376072 - std::panicking::begin_panic_handler::{{closure}}::h01f453c3ac181895 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:500:13 [INFO] [stdout] 12: 0x557860374964 - std::sys_common::backtrace::__rust_end_short_backtrace::h675d77c6e5a3926d [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x557860376009 - rust_begin_unwind [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x557860310321 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/core/src/panicking.rs:107:14 [INFO] [stdout] 15: 0x55786031026d - core::panicking::panic::h50b51d19800453c0 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/core/src/panicking.rs:48:5 [INFO] [stdout] 16: 0x55786031a35a - stoppable_thread::test_guard::h559093fb18d862d8 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:238:5 [INFO] [stdout] 17: 0x55786031a00a - stoppable_thread::test_guard::{{closure}}::hb4b6d89752007663 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:197:1 [INFO] [stdout] 18: 0x55786031536e - core::ops::function::FnOnce::call_once::h7b12cbfd5ad24f1e [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 19: 0x557860351643 - core::ops::function::FnOnce::call_once::h5d20c69df64cb066 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x557860351643 - test::__rust_begin_short_backtrace::h74effa4f90907c5e [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/test/src/lib.rs:585:5 [INFO] [stdout] 21: 0x557860350207 - as core::ops::function::FnOnce>::call_once::h19edd65423024e64 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/alloc/src/boxed.rs:1811:9 [INFO] [stdout] 22: 0x557860350207 - as core::ops::function::FnOnce<()>>::call_once::hecd0007c98d2c571 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 23: 0x557860350207 - std::panicking::try::do_call::hdfd7d8bd90990dc0 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:406:40 [INFO] [stdout] 24: 0x557860350207 - std::panicking::try::h24be999959943ce9 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:370:19 [INFO] [stdout] 25: 0x557860350207 - std::panic::catch_unwind::h0ca097148ff956c7 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panic.rs:133:14 [INFO] [stdout] 26: 0x557860350207 - test::run_test_in_process::hb1447ce84a041621 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/test/src/lib.rs:608:18 [INFO] [stdout] 27: 0x557860350207 - test::run_test::run_test_inner::{{closure}}::h243d5767f98dd76b [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/test/src/lib.rs:500:39 [INFO] [stdout] 28: 0x55786031caee - test::run_test::run_test_inner::{{closure}}::ha28868a6fd450406 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/test/src/lib.rs:527:37 [INFO] [stdout] 29: 0x55786031caee - std::sys_common::backtrace::__rust_begin_short_backtrace::h9b0a0ec9acaf0854 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stdout] 30: 0x557860321be8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hd8bff32e65e0fd1d [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/thread/mod.rs:477:17 [INFO] [stdout] 31: 0x557860321be8 - as core::ops::function::FnOnce<()>>::call_once::he74b6751c2689665 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 32: 0x557860321be8 - std::panicking::try::do_call::h5d2ee92103f6cc44 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:406:40 [INFO] [stdout] 33: 0x557860321be8 - std::panicking::try::h4ff94863d1e19091 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:370:19 [INFO] [stdout] 34: 0x557860321be8 - std::panic::catch_unwind::h80719b283a984060 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panic.rs:133:14 [INFO] [stdout] 35: 0x557860321be8 - std::thread::Builder::spawn_unchecked::{{closure}}::h53d75ac43e0325b2 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/thread/mod.rs:476:30 [INFO] [stdout] 36: 0x557860321be8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha0944c3b1c2a3b97 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 37: 0x55786037af73 - as core::ops::function::FnOnce>::call_once::h4beb69a85f7fb16c [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/alloc/src/boxed.rs:1811:9 [INFO] [stdout] 38: 0x55786037af73 - as core::ops::function::FnOnce>::call_once::hef865a799f44aaf2 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/alloc/src/boxed.rs:1811:9 [INFO] [stdout] 39: 0x55786037af73 - std::sys::unix::thread::Thread::new::thread_start::hee0b2d4e2414fa96 [INFO] [stdout] at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 40: 0x7f7414788609 - start_thread [INFO] [stdout] 41: 0x7f741455a293 - clone [INFO] [stdout] 42: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_guard [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a16ed145a48bef5c0c740fe47aa39ff270df4c05fbf3f4e159da16992fe006f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a16ed145a48bef5c0c740fe47aa39ff270df4c05fbf3f4e159da16992fe006f8", kill_on_drop: false }` [INFO] [stdout] a16ed145a48bef5c0c740fe47aa39ff270df4c05fbf3f4e159da16992fe006f8