[INFO] fetching crate tasque 0.1.4... [INFO] extracting crate tasque 0.1.4 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/tasque/0.1.4 [INFO] extracting crate tasque 0.1.4 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/tasque/0.1.4 [INFO] validating manifest of tasque-0.1.4 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 tasque-0.1.4 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 tasque-0.1.4 [INFO] finished frobbing tasque-0.1.4 [INFO] frobbed toml for tasque-0.1.4 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/tasque/0.1.4/Cargo.toml [INFO] started frobbing tasque-0.1.4 [INFO] finished frobbing tasque-0.1.4 [INFO] frobbed toml for tasque-0.1.4 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/tasque/0.1.4/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 tasque-0.1.4 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/tasque/0.1.4:/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] bd982fdbfeb2feccb39a6f5aa6d60abbc80b073b266cce3ec5da191d666250de [INFO] running `"docker" "start" "-a" "bd982fdbfeb2feccb39a6f5aa6d60abbc80b073b266cce3ec5da191d666250de"` [INFO] [stderr] Compiling nom v2.2.1 [INFO] [stderr] Compiling atomic_immut v0.1.4 [INFO] [stderr] Compiling procinfo v0.4.2 [INFO] [stderr] Compiling trackable_derive v0.1.2 [INFO] [stderr] Compiling trackable v0.2.22 [INFO] [stderr] Compiling prometrics v0.1.11 [INFO] [stderr] Compiling tasque v0.1.4 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/task.rs:8:15 [INFO] [stderr] | [INFO] [stderr] 8 | task: Box, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() + Send + 'static` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.92s [INFO] running `"docker" "inspect" "bd982fdbfeb2feccb39a6f5aa6d60abbc80b073b266cce3ec5da191d666250de"` [INFO] running `"docker" "rm" "-f" "bd982fdbfeb2feccb39a6f5aa6d60abbc80b073b266cce3ec5da191d666250de"` [INFO] [stdout] bd982fdbfeb2feccb39a6f5aa6d60abbc80b073b266cce3ec5da191d666250de [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/tasque/0.1.4:/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] a6bcb851908fc2d9103aaad83d082162b996b48ea33d87c786c154f364a1897c [INFO] running `"docker" "start" "-a" "a6bcb851908fc2d9103aaad83d082162b996b48ea33d87c786c154f364a1897c"` [INFO] [stderr] Compiling tasque v0.1.4 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/task.rs:8:15 [INFO] [stderr] | [INFO] [stderr] 8 | task: Box, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() + Send + 'static` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.28s [INFO] running `"docker" "inspect" "a6bcb851908fc2d9103aaad83d082162b996b48ea33d87c786c154f364a1897c"` [INFO] running `"docker" "rm" "-f" "a6bcb851908fc2d9103aaad83d082162b996b48ea33d87c786c154f364a1897c"` [INFO] [stdout] a6bcb851908fc2d9103aaad83d082162b996b48ea33d87c786c154f364a1897c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/tasque/0.1.4:/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] 6f08839e5884ba9a25f967c91c9d1f57104c7e92b8745f3dd02fd3f3e4fa7ff1 [INFO] running `"docker" "start" "-a" "6f08839e5884ba9a25f967c91c9d1f57104c7e92b8745f3dd02fd3f3e4fa7ff1"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/tasque-849d8f8f6591174d [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stderr] thread '' panicked at 'explicit panic', src/lib.rs:84:26 [INFO] [stderr] stack backtrace: [INFO] [stdout] test tests::multiple_workers_works ... ok [INFO] [stderr] 0: 0x5562a84cffdb - 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: 0x5562a84cffdb - 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: 0x5562a84cffdb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5562a84cffdb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5562a84cffdb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x5562a84cfcdc - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x5562a84d0750 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x5562a84bc2a8 - std::panicking::begin_panic::h6ff3d43ce3384bb1 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:409 [INFO] [stderr] 8: 0x5562a83fb9dd - tasque::tests::worker_restart_works::{{closure}}::h7da66f80ed4387b6 [INFO] [stderr] at src/lib.rs:84 [INFO] [stderr] 9: 0x5562a8403b89 - tasque::task::Task::new::{{closure}}::h9574d5c3b0b7c349 [INFO] [stderr] at src/task.rs:21 [INFO] [stderr] 10: 0x5562a83f5c73 - as core::ops::function::FnMut>::call_mut::hd7e0e49728a7a5e4 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:753 [INFO] [stderr] 11: 0x5562a8403cae - tasque::task::Task::execute::hdc18d282ace0069c [INFO] [stderr] at src/task.rs:31 [INFO] [stderr] 12: 0x5562a8436b60 - tasque::worker::Worker::run_once::{{closure}}::h57dda622e3ddde82 [INFO] [stderr] at src/worker.rs:25 [INFO] [stderr] 13: 0x5562a83f36c6 - prometrics::metrics::histogram::Histogram::time::h819f2dea5d8b3039 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/prometrics-0.1.11/src/metrics/histogram.rs:101 [INFO] [stderr] 14: 0x5562a8436a4f - tasque::worker::Worker::run_once::he59835b9e09b344d [INFO] [stderr] at src/worker.rs:25 [INFO] [stderr] 15: 0x5562a84368e3 - tasque::worker::Worker::start::{{closure}}::hd77d6457f5a65e39 [INFO] [stderr] at src/worker.rs:17 [INFO] [stderr] 16: 0x5562a8426858 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8f0b5e5dbcddd050 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 17: 0x5562a83fcf85 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h27c432b6892ddedd [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470 [INFO] [stderr] 18: 0x5562a84331f8 - as core::ops::function::FnOnce<()>>::call_once::h877f6b8df518975c [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309 [INFO] [stderr] 19: 0x5562a8434010 - std::panicking::try::do_call::hae347ffb56ed76da [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294 [INFO] [stderr] 20: 0x5562a84d32da - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 21: 0x5562a8433c00 - std::panicking::try::h402693a8b21d0587 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273 [INFO] [stderr] 22: 0x5562a8433b28 - std::panic::catch_unwind::h7d5fbcdd83d865a1 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388 [INFO] [stderr] 23: 0x5562a83fcd92 - std::thread::Builder::spawn_unchecked::{{closure}}::hba45ec3377266060 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469 [INFO] [stderr] 24: 0x5562a83fd163 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h495895f95967ac88 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231 [INFO] [stderr] 25: 0x5562a84c5e0f - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stderr] 26: 0x5562a84d2a20 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stderr] 27: 0x5562a84d2a20 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 28: 0x5562a84d2a20 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 29: 0x7fa2ab8864a4 - start_thread [INFO] [stderr] 30: 0x7fa2ab3b1d0f - __clone [INFO] [stderr] 31: 0x0 - [INFO] [stdout] test tests::worker_restart_works ... ok [INFO] [stdout] test tests::single_worker_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests tasque [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/queue.rs - queue::TaskQueue (line 85) ... ok [INFO] [stdout] test src/queue.rs - queue::TaskQueueBuilder (line 15) ... ok [INFO] [stdout] test src/lib.rs - (line 7) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "6f08839e5884ba9a25f967c91c9d1f57104c7e92b8745f3dd02fd3f3e4fa7ff1"` [INFO] running `"docker" "rm" "-f" "6f08839e5884ba9a25f967c91c9d1f57104c7e92b8745f3dd02fd3f3e4fa7ff1"` [INFO] [stdout] 6f08839e5884ba9a25f967c91c9d1f57104c7e92b8745f3dd02fd3f3e4fa7ff1