[INFO] crate remutex 0.1.1 is already in cache [INFO] testing remutex-0.1.1 against 1.38.0 for beta-1.39-1 [INFO] extracting crate remutex 0.1.1 into work/builds/worker-4/source [INFO] validating manifest of crates.io crate remutex 0.1.1 on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate remutex 0.1.1 [INFO] finished tweaking crates.io crate remutex 0.1.1 [INFO] tweaked toml for crates.io crate remutex 0.1.1 written to work/builds/worker-4/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] 6e15586b2c4d842d7987dff6600aa7a1a10a4bf8a99100bbbe90b16d321c6cc6 [INFO] running `"docker" "start" "-a" "6e15586b2c4d842d7987dff6600aa7a1a10a4bf8a99100bbbe90b16d321c6cc6"` [INFO] [stderr] Compiling remutex v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/poison.rs:158:32 [INFO] [stderr] | [INFO] [stderr] 158 | fn cause(&self) -> Option<&Error> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `"docker" "inspect" "6e15586b2c4d842d7987dff6600aa7a1a10a4bf8a99100bbbe90b16d321c6cc6"` [INFO] running `"docker" "rm" "-f" "6e15586b2c4d842d7987dff6600aa7a1a10a4bf8a99100bbbe90b16d321c6cc6"` [INFO] [stdout] 6e15586b2c4d842d7987dff6600aa7a1a10a4bf8a99100bbbe90b16d321c6cc6 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"` [INFO] [stdout] ff82d8daeadb3d687d7bc1eb8835298479b6b6860b0621c6b3375fd505943cb3 [INFO] running `"docker" "start" "-a" "ff82d8daeadb3d687d7bc1eb8835298479b6b6860b0621c6b3375fd505943cb3"` [INFO] [stderr] Compiling remutex v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/poison.rs:158:32 [INFO] [stderr] | [INFO] [stderr] 158 | fn cause(&self) -> Option<&Error> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `"docker" "inspect" "ff82d8daeadb3d687d7bc1eb8835298479b6b6860b0621c6b3375fd505943cb3"` [INFO] running `"docker" "rm" "-f" "ff82d8daeadb3d687d7bc1eb8835298479b6b6860b0621c6b3375fd505943cb3"` [INFO] [stdout] ff82d8daeadb3d687d7bc1eb8835298479b6b6860b0621c6b3375fd505943cb3 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"` [INFO] [stdout] 1b24d7f810d95f14ff4ece791765f66e26bd5e62ff930183ce0be8512bd2d756 [INFO] running `"docker" "start" "-a" "1b24d7f810d95f14ff4ece791765f66e26bd5e62ff930183ce0be8512bd2d756"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/remutex-12dea498539e214f [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test remutex::test::is_mutex ... ok [INFO] [stderr] thread '' panicked at 'What the answer to my lifetimes dilemma is?', src/remutex.rs:216:17 [INFO] [stdout] test remutex::test::smoke ... ok [INFO] [stderr] stack backtrace: [INFO] [stdout] test remutex::test::trylock_works ... ok [INFO] [stderr] 0: 0x55f676ce0a7b - backtrace::backtrace::libunwind::trace::h89fcc71e59e3bc5b [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55f676ce0a7b - backtrace::backtrace::trace_unsynchronized::h0bad9be1379e729a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55f676ce0a7b - std::sys_common::backtrace::_print::hd3382a1f33c473da [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55f676ce0a7b - std::sys_common::backtrace::print::h0ec6f03cfb8e76a6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55f676ce0a7b - std::panicking::default_hook::{{closure}}::h96cbf7b454e3f557 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55f676ce0756 - std::panicking::default_hook::h95a8f00337383d83 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55f676ce11ed - std::panicking::rust_panic_with_hook::h92f98b46e22f14ed [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55f676c969c1 - std::panicking::begin_panic::h34615ff9d687cc94 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x55f676c8bfb0 - remutex::remutex::test::poison_works::{{closure}}::h68bb4613453d5e32 [INFO] [stderr] at src/remutex.rs:216 [INFO] [stderr] 9: 0x55f676c8c0a3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h36d8f867a06eab53 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 10: 0x55f676c9611e - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h9bc41c3080618ccd [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/thread/mod.rs:470 [INFO] [stderr] 11: 0x55f676c8ceb1 - as core::ops::function::FnOnce<()>>::call_once::h97d70fbea250111a [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:315 [INFO] [stderr] 12: 0x55f676c96f48 - std::panicking::try::do_call::he9edfeba82d85311 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:296 [INFO] [stderr] 13: 0x55f676ce39ca - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 14: 0x55f676c96d54 - std::panicking::try::ha1d7471b84948de6 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:275 [INFO] [stderr] 15: 0x55f676c8d093 - std::panic::catch_unwind::h0aab71997a0d8a9b [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:394 [INFO] [stderr] 16: 0x55f676c95936 - std::thread::Builder::spawn_unchecked::{{closure}}::h001baf3f334f2da6 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/thread/mod.rs:469 [INFO] [stderr] 17: 0x55f676c8fbf3 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hcb5a0aa7c7c9450d [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/ops/function.rs:235 [INFO] [stderr] 18: 0x55f676cd67bf - as core::ops::function::FnOnce>::call_once::h2877b2aefb0fd627 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stderr] 19: 0x55f676ce3070 - as core::ops::function::FnOnce>::call_once::h13f473dbcdaa0fef [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stderr] 20: 0x55f676ce3070 - std::sys_common::thread::start_thread::h562a7c4953cb1d31 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 21: 0x55f676ce3070 - std::sys::unix::thread::Thread::new::thread_start::h382c6ae14181d163 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 22: 0x7f7e956fa6db - start_thread [INFO] [stderr] 23: 0x7f7e9520b88f - __clone [INFO] [stderr] 24: 0x0 - [INFO] [stdout] test remutex::test::poison_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests remutex [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" "1b24d7f810d95f14ff4ece791765f66e26bd5e62ff930183ce0be8512bd2d756"` [INFO] running `"docker" "rm" "-f" "1b24d7f810d95f14ff4ece791765f66e26bd5e62ff930183ce0be8512bd2d756"` [INFO] [stdout] 1b24d7f810d95f14ff4ece791765f66e26bd5e62ff930183ce0be8512bd2d756