[INFO] crate remutex 0.1.1 is already in cache [INFO] extracting crate remutex 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/remutex/0.1.1 [INFO] extracting crate remutex 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/remutex/0.1.1 [INFO] validating manifest of remutex-0.1.1 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of remutex-0.1.1 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing remutex-0.1.1 [INFO] finished frobbing remutex-0.1.1 [INFO] frobbed toml for remutex-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/remutex/0.1.1/Cargo.toml [INFO] started frobbing remutex-0.1.1 [INFO] finished frobbing remutex-0.1.1 [INFO] frobbed toml for remutex-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/remutex/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing remutex-0.1.1 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/remutex/0.1.1:/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=warn" "-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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 3b9bcb84d74f7df8f05db32272e9a4c6fb97cbd2f3ed15aaedb7ce031c4a773f [INFO] running `"docker" "start" "-a" "3b9bcb84d74f7df8f05db32272e9a4c6fb97cbd2f3ed15aaedb7ce031c4a773f"` [INFO] [stderr] Compiling remutex v0.1.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `"docker" "inspect" "3b9bcb84d74f7df8f05db32272e9a4c6fb97cbd2f3ed15aaedb7ce031c4a773f"` [INFO] running `"docker" "rm" "-f" "3b9bcb84d74f7df8f05db32272e9a4c6fb97cbd2f3ed15aaedb7ce031c4a773f"` [INFO] [stdout] 3b9bcb84d74f7df8f05db32272e9a4c6fb97cbd2f3ed15aaedb7ce031c4a773f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/remutex/0.1.1:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 2fef1e2e632322a62d5bf27455f7067d94ad6f419173dcd256aa8600c164e129 [INFO] running `"docker" "start" "-a" "2fef1e2e632322a62d5bf27455f7067d94ad6f419173dcd256aa8600c164e129"` [INFO] [stderr] Compiling remutex v0.1.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.17s [INFO] running `"docker" "inspect" "2fef1e2e632322a62d5bf27455f7067d94ad6f419173dcd256aa8600c164e129"` [INFO] running `"docker" "rm" "-f" "2fef1e2e632322a62d5bf27455f7067d94ad6f419173dcd256aa8600c164e129"` [INFO] [stdout] 2fef1e2e632322a62d5bf27455f7067d94ad6f419173dcd256aa8600c164e129 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/remutex/0.1.1:/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=warn" "-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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 6ad1be5eef7573c57763f447267fb760a7d8c9247d955a385ee004615e139bd1 [INFO] running `"docker" "start" "-a" "6ad1be5eef7573c57763f447267fb760a7d8c9247d955a385ee004615e139bd1"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/remutex-fa7a4371c6ec678b [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test remutex::test::is_mutex ... ok [INFO] [stdout] test remutex::test::smoke ... ok [INFO] [stderr] thread '' panicked at 'What the answer to my lifetimes dilemma is?', src/remutex.rs:216:17 [INFO] [stdout] test remutex::test::trylock_works ... ok [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55ab6fd64c13 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x55ab6fd605bb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] test remutex::test::poison_works ... ok [INFO] [stderr] 2: 0x55ab6fd63956 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stdout] [INFO] [stderr] 3: 0x55ab6fd636e9 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55ab6fd6405f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55ab6fd160a3 - std::panicking::begin_panic::h99fb3f1a9251516a [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stderr] 6: 0x55ab6fd0d8af - remutex::remutex::test::poison_works::{{closure}}::ha38a5971e6353bea [INFO] [stderr] at src/remutex.rs:216 [INFO] [stderr] 7: 0x55ab6fd104b2 - std::sys_common::backtrace::__rust_begin_short_backtrace::h003a325df7e698bc [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stderr] 8: 0x55ab6fd15e8d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1f2d22c47e310596 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stderr] 9: 0x55ab6fd0d980 - as core::ops::function::FnOnce<()>>::call_once::h07c1c4296875fb4a [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stderr] 10: 0x55ab6fd165e4 - std::panicking::try::do_call::h30d13586354c33e5 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stderr] 11: 0x55ab6fd66e09 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 12: 0x55ab6fd16180 - std::panicking::try::h516209ae8c2625d3 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stderr] 13: 0x55ab6fd0dc72 - std::panic::catch_unwind::h06c8851a2ca7d957 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stderr] 14: 0x55ab6fd15ca5 - std::thread::Builder::spawn_unchecked::{{closure}}::hf0c0154f27eee2d3 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stderr] 15: 0x55ab6fd0ddc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2a2b89edef9cb4fd [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stderr] 16: 0x55ab6fd5839e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stderr] 17: 0x55ab6fd6645f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 18: 0x7fc1908474a3 - start_thread [INFO] [stderr] 19: 0x7fc190372d0e - __clone [INFO] [stderr] 20: 0x0 - [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" "6ad1be5eef7573c57763f447267fb760a7d8c9247d955a385ee004615e139bd1"` [INFO] running `"docker" "rm" "-f" "6ad1be5eef7573c57763f447267fb760a7d8c9247d955a385ee004615e139bd1"` [INFO] [stdout] 6ad1be5eef7573c57763f447267fb760a7d8c9247d955a385ee004615e139bd1