[INFO] fetching crate jlizard-simple-threadpool 0.3.0...
[INFO] testing jlizard-simple-threadpool-0.3.0 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate jlizard-simple-threadpool 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate jlizard-simple-threadpool 0.3.0
[INFO] finished tweaking crates.io crate jlizard-simple-threadpool 0.3.0
[INFO] tweaked toml for crates.io crate jlizard-simple-threadpool 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jlizard-simple-threadpool 0.3.0 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate jlizard-simple-threadpool 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73af5a69a8a50684c93cc3ff4ce30399654ae8e86d81a831e6e84570625c736a
[INFO] running `Command { std: "docker" "start" "-a" "73af5a69a8a50684c93cc3ff4ce30399654ae8e86d81a831e6e84570625c736a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73af5a69a8a50684c93cc3ff4ce30399654ae8e86d81a831e6e84570625c736a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73af5a69a8a50684c93cc3ff4ce30399654ae8e86d81a831e6e84570625c736a", kill_on_drop: false }`
[INFO] [stdout] 73af5a69a8a50684c93cc3ff4ce30399654ae8e86d81a831e6e84570625c736a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21bac8efd9b79c33e3b86d2b64cc747acd9601bbb8854343209ae94897e24a19
[INFO] running `Command { std: "docker" "start" "-a" "21bac8efd9b79c33e3b86d2b64cc747acd9601bbb8854343209ae94897e24a19", kill_on_drop: false }`
[INFO] [stderr]    Compiling jlizard-simple-threadpool v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "21bac8efd9b79c33e3b86d2b64cc747acd9601bbb8854343209ae94897e24a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21bac8efd9b79c33e3b86d2b64cc747acd9601bbb8854343209ae94897e24a19", kill_on_drop: false }`
[INFO] [stdout] 21bac8efd9b79c33e3b86d2b64cc747acd9601bbb8854343209ae94897e24a19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ee9898e53c74949b4b48e344096cb9ccb8896eca1863dc3aed2d1084c23056d
[INFO] running `Command { std: "docker" "start" "-a" "8ee9898e53c74949b4b48e344096cb9ccb8896eca1863dc3aed2d1084c23056d", kill_on_drop: false }`
[INFO] [stderr]    Compiling jlizard-simple-threadpool v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "8ee9898e53c74949b4b48e344096cb9ccb8896eca1863dc3aed2d1084c23056d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ee9898e53c74949b4b48e344096cb9ccb8896eca1863dc3aed2d1084c23056d", kill_on_drop: false }`
[INFO] [stdout] 8ee9898e53c74949b4b48e344096cb9ccb8896eca1863dc3aed2d1084c23056d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a20c3dbf200340eef7a9f5bb39fa22790c6f7e170a4d114ca599a4cc4b8c508a
[INFO] running `Command { std: "docker" "start" "-a" "a20c3dbf200340eef7a9f5bb39fa22790c6f7e170a4d114ca599a4cc4b8c508a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jlizard_simple_threadpool-e191139105a13349)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test threadpool::tests::test_get_kill_signal ... ok
[INFO] [stdout] test threadpool::tests::test_backward_compatibility ... ok
[INFO] [stdout] test threadpool::tests::test_get_num_threads ... ok
[INFO] [stdout] test threadpool::tests::test_builder_pattern_api ... ok
[INFO] [stdout] test threadpool::tests::test_kill_signal_in_single_threaded_mode ... ok
[INFO] [stdout] test threadpool::tests::test_is_single_threaded ... ok
[INFO] [stdout] test threadpool::tests::test_max_jobs_zero_panics - should panic ... ok
[INFO] [stdout] test threadpool::tests::test_multi_threaded_execution ... ok
[INFO] [stdout] test threadpool::tests::test_pool_graceful_shutdown ... ok
[INFO] [stdout] test threadpool::tests::test_signal_stop_method ... ok
[INFO] [stdout] test threadpool::tests::test_single_threaded_execution ... ok
[INFO] [stdout] test threadpool::tests::test_single_threaded_ignores_max_jobs ... ok
[INFO] [stdout] test threadpool::tests::test_threadpool_creation_modes ... ok
[INFO] [stdout] test threadpool::tests::test_concurrent_submissions_near_limit ... ok
[INFO] [stdout] test worker::tests::test_worker_creation ... ok
[INFO] [stdout] test threadpool::tests::test_job_signals_stop_to_other_workers ... ok
[INFO] [stdout] test worker::tests::test_worker_shutdown_on_channel_close ... ok
[INFO] [stdout] test threadpool::tests::test_no_new_jobs_after_signal_stop ... ok
[INFO] [stdout] test threadpool::tests::test_workers_complete_current_job_before_stopping ... ok
[INFO] [stdout] test worker::tests::test_worker_shutdown_on_kill_signal ... ok
[INFO] [stdout] test threadpool::tests::test_job_count_increments_and_decrements ... ok
[INFO] [stdout] test threadpool::tests::test_queue_recovers_after_full ... ok
[INFO] [stdout] test worker::tests::test_worker_stops_after_current_job ... ok
[INFO] [stdout] test threadpool::tests::test_backpressure_blocks_when_queue_full ... ok
[INFO] [stdout] test worker::tests::test_worker_executes_job ... ok
[INFO] [stdout] test threadpool::tests::test_exponential_backoff_timing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.94s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jlizard_simple_threadpool
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/../README.md - (line 55) - compile ... ok
[INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool::get_kill_signal (line 172) - compile ... ok
[INFO] [stdout] test src/../README.md - (line 16) ... ok
[INFO] [stdout] test src/threadpool.rs - threadpool::ThreadPool::max_jobs (line 89) ... ok
[INFO] [stdout] test src/../README.md - (line 75) ... ok
[INFO] [stdout] test src/../README.md - (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.77s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 2.43s; merged doctests compilation took 0.65s
[INFO] running `Command { std: "docker" "inspect" "a20c3dbf200340eef7a9f5bb39fa22790c6f7e170a4d114ca599a4cc4b8c508a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20c3dbf200340eef7a9f5bb39fa22790c6f7e170a4d114ca599a4cc4b8c508a", kill_on_drop: false }`
[INFO] [stdout] a20c3dbf200340eef7a9f5bb39fa22790c6f7e170a4d114ca599a4cc4b8c508a