[INFO] crate tasque 0.1.5 is already in cache [INFO] testing tasque-0.1.5 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] extracting crate tasque 0.1.5 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate tasque 0.1.5 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate tasque 0.1.5 [INFO] finished tweaking crates.io crate tasque 0.1.5 [INFO] tweaked toml for crates.io crate tasque 0.1.5 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate tasque 0.1.5 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stdout] 250e55c3f39a0205481bafd0591d349e2122600de31d2db327ec94f06d058fd8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "250e55c3f39a0205481bafd0591d349e2122600de31d2db327ec94f06d058fd8"` [INFO] [stderr] Compiling nom v2.2.1 [INFO] [stderr] Compiling atomic_immut v0.1.4 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling procinfo v0.4.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling trackable_derive v0.1.2 [INFO] [stderr] Compiling trackable v0.2.23 [INFO] [stderr] Compiling prometrics v0.1.12 [INFO] [stderr] Compiling tasque v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.40s [INFO] running `"docker" "inspect" "250e55c3f39a0205481bafd0591d349e2122600de31d2db327ec94f06d058fd8"` [INFO] running `"docker" "rm" "-f" "250e55c3f39a0205481bafd0591d349e2122600de31d2db327ec94f06d058fd8"` [INFO] [stdout] 250e55c3f39a0205481bafd0591d349e2122600de31d2db327ec94f06d058fd8 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0a3d2d04eb64dbced10c0b211008610a44d5528ecb40612b1b95c15c38b25f23 [INFO] running `"docker" "start" "-a" "0a3d2d04eb64dbced10c0b211008610a44d5528ecb40612b1b95c15c38b25f23"` [INFO] [stderr] Compiling tasque v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.40s [INFO] running `"docker" "inspect" "0a3d2d04eb64dbced10c0b211008610a44d5528ecb40612b1b95c15c38b25f23"` [INFO] running `"docker" "rm" "-f" "0a3d2d04eb64dbced10c0b211008610a44d5528ecb40612b1b95c15c38b25f23"` [INFO] [stdout] 0a3d2d04eb64dbced10c0b211008610a44d5528ecb40612b1b95c15c38b25f23 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c863464d266122c09a415b1d450f5a33effaeec90fef93b72abdb070901d600d [INFO] running `"docker" "start" "-a" "c863464d266122c09a415b1d450f5a33effaeec90fef93b72abdb070901d600d"` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.31s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tasque-49fcbb953204ecbd [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stderr] thread '' panicked at 'explicit panic', src/lib.rs:95:26 [INFO] [stderr] stack backtrace: [INFO] [stdout] test tests::multiple_workers_works ... ok [INFO] [stdout] test tests::single_worker_works ... ok [INFO] [stderr] 0: 0x55f6b30d7ea4 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55f6b30d7ea4 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55f6b30d7ea4 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55f6b30d7ea4 - ::fmt::h7729313ad2d729c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55f6b3100abc - core::fmt::write::hb0049f6c12bdaffc [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x55f6b30d4a83 - std::io::Write::write_fmt::hfb486fa6ccb90f14 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55f6b30da775 - std::sys_common::backtrace::_print::ha087cac92e84a414 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55f6b30da775 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55f6b30da775 - std::panicking::default_hook::{{closure}}::h016d7de02def2736 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55f6b30da4b2 - std::panicking::default_hook::h9386f7e484840463 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55f6b30dadd2 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312 [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x55f6b30c18e1 - std::panicking::begin_panic::h7876a8f02a37f154 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x55f6b300b16d - tasque::tests::worker_restart_works::{{closure}}::h986212a6dab998c8 [INFO] [stderr] at src/lib.rs:95 [INFO] [stderr] 13: 0x55f6b3008030 - tasque::task::Task::new::{{closure}}::ha4db73976b840538 [INFO] [stderr] at src/task.rs:21 [INFO] [stderr] 14: 0x55f6b303b106 - as core::ops::function::FnMut>::call_mut::h070c02aede95ff78 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1015 [INFO] [stderr] 15: 0x55f6b30081ed - tasque::task::Task::execute::h8d02f84835d432d9 [INFO] [stderr] at src/task.rs:31 [INFO] [stderr] 16: 0x55f6b3019b40 - tasque::worker::Worker::run_once::{{closure}}::h99c25e6034c462c2 [INFO] [stderr] at src/worker.rs:25 [INFO] [stderr] 17: 0x55f6b303855e - prometrics::metrics::histogram::Histogram::time::h61b30975e67767c1 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/prometrics-0.1.12/src/metrics/histogram.rs:101 [INFO] [stderr] 18: 0x55f6b3019a55 - tasque::worker::Worker::run_once::h514c9d94889bbb3d [INFO] [stderr] at src/worker.rs:25 [INFO] [stderr] 19: 0x55f6b30198f3 - tasque::worker::Worker::start::{{closure}}::h6600d9df9a74693c [INFO] [stderr] at src/worker.rs:17 [INFO] [stderr] 20: 0x55f6b3014f65 - std::sys_common::backtrace::__rust_begin_short_backtrace::h92bf7de9c100f23d [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 21: 0x55f6b300c585 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf1653ebcc339c30a [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:475 [INFO] [stderr] 22: 0x55f6b3014d48 - as core::ops::function::FnOnce<()>>::call_once::h010294accebc61b2 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stderr] 23: 0x55f6b300f340 - std::panicking::try::do_call::h523bdff9e6488734 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stderr] 24: 0x55f6b3014ced - __rust_try [INFO] [stderr] 25: 0x55f6b300f27d - std::panicking::try::had7bf5e715db1f70 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stderr] 26: 0x55f6b30164d8 - std::panic::catch_unwind::h421a71d37f171af5 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stderr] 27: 0x55f6b300c01d - std::thread::Builder::spawn_unchecked::{{closure}}::ha34bd513733874ea [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:474 [INFO] [stderr] 28: 0x55f6b300f55e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h3490f23bc91f6f27 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stderr] 29: 0x55f6b30ce59f - as core::ops::function::FnOnce>::call_once::h7deaeeba480c6ce2 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stderr] 30: 0x55f6b30e15b3 - as core::ops::function::FnOnce>::call_once::h968b1dfb87756523 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stderr] 31: 0x55f6b30e15b3 - std::sys::unix::thread::Thread::new::thread_start::h2399addeb6370595 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 32: 0x7f280d6cf6db - start_thread [INFO] [stderr] 33: 0x7f280d1e088f - __clone [INFO] [stderr] 34: 0x0 - [INFO] [stdout] test tests::worker_restart_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::TaskQueueBuilder (line 15) ... ok [INFO] [stdout] test src/queue.rs - queue::TaskQueue (line 85) ... 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" "c863464d266122c09a415b1d450f5a33effaeec90fef93b72abdb070901d600d"` [INFO] running `"docker" "rm" "-f" "c863464d266122c09a415b1d450f5a33effaeec90fef93b72abdb070901d600d"` [INFO] [stdout] c863464d266122c09a415b1d450f5a33effaeec90fef93b72abdb070901d600d