[INFO] crate remutex 0.1.1 is already in cache [INFO] extracting crate remutex 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/remutex/0.1.1 [INFO] extracting crate remutex 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/remutex/0.1.1 [INFO] validating manifest of remutex-0.1.1 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of remutex-0.1.1 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/remutex/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing remutex-0.1.1 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] fa1ac7ded542f14402dad5b1d5565fa72bc68bb5e8958b1520bba6c1b77a2a62 [INFO] running `"docker" "start" "-a" "fa1ac7ded542f14402dad5b1d5565fa72bc68bb5e8958b1520bba6c1b77a2a62"` [INFO] [stderr] Compiling remutex v0.1.1 (/opt/crater/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 0.43s [INFO] running `"docker" "inspect" "fa1ac7ded542f14402dad5b1d5565fa72bc68bb5e8958b1520bba6c1b77a2a62"` [INFO] running `"docker" "rm" "-f" "fa1ac7ded542f14402dad5b1d5565fa72bc68bb5e8958b1520bba6c1b77a2a62"` [INFO] [stdout] fa1ac7ded542f14402dad5b1d5565fa72bc68bb5e8958b1520bba6c1b77a2a62 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 5f70a8906a26d788c127319965a374226e92af7040b940983b0977ae487f028f [INFO] running `"docker" "start" "-a" "5f70a8906a26d788c127319965a374226e92af7040b940983b0977ae487f028f"` [INFO] [stderr] Compiling remutex v0.1.1 (/opt/crater/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 1.22s [INFO] running `"docker" "inspect" "5f70a8906a26d788c127319965a374226e92af7040b940983b0977ae487f028f"` [INFO] running `"docker" "rm" "-f" "5f70a8906a26d788c127319965a374226e92af7040b940983b0977ae487f028f"` [INFO] [stdout] 5f70a8906a26d788c127319965a374226e92af7040b940983b0977ae487f028f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 867d7b2c412b95b565fb489d54abf53f5f3ab9b7dcb2e9e3f2927bfb5a456b4f [INFO] running `"docker" "start" "-a" "867d7b2c412b95b565fb489d54abf53f5f3ab9b7dcb2e9e3f2927bfb5a456b4f"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/remutex-7b54672502ae39b3 [INFO] [stderr] thread '' panicked at 'What the answer to my lifetimes dilemma is?', src/remutex.rs:216:17 [INFO] [stdout] [INFO] [stderr] stack backtrace: [INFO] [stdout] running 4 tests [INFO] [stdout] test remutex::test::is_mutex ... ok [INFO] [stdout] test remutex::test::smoke ... ok [INFO] [stdout] test remutex::test::trylock_works ... ok [INFO] [stderr] 0: 0x558f4e3df91b - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x558f4e3df91b - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x558f4e3df91b - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x558f4e3df91b - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x558f4e3df91b - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x558f4e3df5f6 - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x558f4e3e008d - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x558f4e395a41 - std::panicking::begin_panic::hd3f36b5c686cd98e [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x558f4e38b030 - remutex::remutex::test::poison_works::{{closure}}::h00aa03764015f125 [INFO] [stderr] at src/remutex.rs:216 [INFO] [stderr] 9: 0x558f4e38b143 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7eb814ac57f16a00 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 10: 0x558f4e39518e - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h6f37ddfb25019833 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470 [INFO] [stderr] 11: 0x558f4e38bf31 - as core::ops::function::FnOnce<()>>::call_once::hbf643f495b65dd39 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315 [INFO] [stderr] 12: 0x558f4e395f78 - std::panicking::try::do_call::h44d0944aad6c6bd4 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296 [INFO] [stderr] 13: 0x558f4e3e29fa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 14: 0x558f4e395c74 - std::panicking::try::ha4f59098da7531aa [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stderr] 15: 0x558f4e38c113 - std::panic::catch_unwind::h189268739831ff2c [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stderr] 16: 0x558f4e394ca6 - std::thread::Builder::spawn_unchecked::{{closure}}::h916818a7917d3dfb [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469 [INFO] [stderr] 17: 0x558f4e38ec73 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb3c575af5b4df59e [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stderr] 18: 0x558f4e3d583f - as core::ops::function::FnOnce>::call_once::hb5396a93648ae250 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stderr] 19: 0x558f4e3e20a0 - as core::ops::function::FnOnce>::call_once::h92593001847bb63e [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stderr] 20: 0x558f4e3e20a0 - std::sys_common::thread::start_thread::h569f3ccc0d5dcd83 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 21: 0x558f4e3e20a0 - std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 22: 0x7fc1d55864a4 - start_thread [INFO] [stderr] 23: 0x7fc1d50b1d0f - __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" "867d7b2c412b95b565fb489d54abf53f5f3ab9b7dcb2e9e3f2927bfb5a456b4f"` [INFO] running `"docker" "rm" "-f" "867d7b2c412b95b565fb489d54abf53f5f3ab9b7dcb2e9e3f2927bfb5a456b4f"` [INFO] [stdout] 867d7b2c412b95b565fb489d54abf53f5f3ab9b7dcb2e9e3f2927bfb5a456b4f