[INFO] fetching crate remutex 0.1.1... [INFO] extracting crate remutex 0.1.1 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/remutex/0.1.1 [INFO] extracting crate remutex 0.1.1 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/remutex/0.1.1 [INFO] validating manifest of remutex-0.1.1 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of remutex-0.1.1 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/remutex/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing remutex-0.1.1 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 7d4cdedeb5a9348a98e7e14b808d5e5f44da586eb96637a87df1cbc30dd48c52 [INFO] running `"docker" "start" "-a" "7d4cdedeb5a9348a98e7e14b808d5e5f44da586eb96637a87df1cbc30dd48c52"` [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 0.57s [INFO] running `"docker" "inspect" "7d4cdedeb5a9348a98e7e14b808d5e5f44da586eb96637a87df1cbc30dd48c52"` [INFO] running `"docker" "rm" "-f" "7d4cdedeb5a9348a98e7e14b808d5e5f44da586eb96637a87df1cbc30dd48c52"` [INFO] [stdout] 7d4cdedeb5a9348a98e7e14b808d5e5f44da586eb96637a87df1cbc30dd48c52 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 1600c02a62167d94de4ae8349976fee6b6cb7ff657086ac8b7daaf5a9e21018e [INFO] running `"docker" "start" "-a" "1600c02a62167d94de4ae8349976fee6b6cb7ff657086ac8b7daaf5a9e21018e"` [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 1.38s [INFO] running `"docker" "inspect" "1600c02a62167d94de4ae8349976fee6b6cb7ff657086ac8b7daaf5a9e21018e"` [INFO] running `"docker" "rm" "-f" "1600c02a62167d94de4ae8349976fee6b6cb7ff657086ac8b7daaf5a9e21018e"` [INFO] [stdout] 1600c02a62167d94de4ae8349976fee6b6cb7ff657086ac8b7daaf5a9e21018e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] d531ee24c37ffea63854b8df2596ca98713fa130acf2931bb3849aa47ed25f34 [INFO] running `"docker" "start" "-a" "d531ee24c37ffea63854b8df2596ca98713fa130acf2931bb3849aa47ed25f34"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/remutex-ff514e1aad67417b [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: 0x56320b04552b - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x56320b04552b - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x56320b04552b - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x56320b04552b - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x56320b04552b - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x56320b04522c - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x56320b045ca0 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x56320aff8db4 - std::panicking::begin_panic::hd5635a3002915592 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:409 [INFO] [stderr] 8: 0x56320afef890 - remutex::remutex::test::poison_works::{{closure}}::he8c57766b0728e55 [INFO] [stderr] at src/remutex.rs:216 [INFO] [stderr] 9: 0x56320aff4513 - std::sys_common::backtrace::__rust_begin_short_backtrace::h77770e4e01238361 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 10: 0x56320aff8bae - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf42a2bbf1da5aef7 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stderr] 11: 0x56320aff1b81 - as core::ops::function::FnOnce<()>>::call_once::h16f4bce9622f8ecf [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stderr] 12: 0x56320aff9395 - std::panicking::try::do_call::hb9333ce598d2f725 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stderr] 13: 0x56320b0488ba - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 14: 0x56320aff9191 - std::panicking::try::hdfe9f3c897347b2a [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stderr] 15: 0x56320aff1c93 - std::panic::catch_unwind::h1632b19e4fb55e12 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stderr] 16: 0x56320aff86c6 - std::thread::Builder::spawn_unchecked::{{closure}}::h3d06b9c999f9661c [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stderr] 17: 0x56320aff1d33 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h983361b266d872bf [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stderr] 18: 0x56320b03b5bf - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stderr] 19: 0x56320b047f70 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stderr] 20: 0x56320b047f70 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 21: 0x56320b047f70 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 22: 0x7fe35a8054a4 - start_thread [INFO] [stderr] 23: 0x7fe35a330d0f - __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" "d531ee24c37ffea63854b8df2596ca98713fa130acf2931bb3849aa47ed25f34"` [INFO] running `"docker" "rm" "-f" "d531ee24c37ffea63854b8df2596ca98713fa130acf2931bb3849aa47ed25f34"` [INFO] [stdout] d531ee24c37ffea63854b8df2596ca98713fa130acf2931bb3849aa47ed25f34