[INFO] fetching crate workerpool 1.2.1...
[INFO] testing workerpool-1.2.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate workerpool 1.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate workerpool 1.2.1
[INFO] finished tweaking crates.io crate workerpool 1.2.1
[INFO] tweaked toml for crates.io crate workerpool 1.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate workerpool 1.2.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9aa2fe79368427759e08917b8af71f6639c14d75610b75000cf7269ada9d791f
[INFO] running `Command { std: "docker" "start" "-a" "9aa2fe79368427759e08917b8af71f6639c14d75610b75000cf7269ada9d791f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9aa2fe79368427759e08917b8af71f6639c14d75610b75000cf7269ada9d791f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa2fe79368427759e08917b8af71f6639c14d75610b75000cf7269ada9d791f", kill_on_drop: false }`
[INFO] [stdout] 9aa2fe79368427759e08917b8af71f6639c14d75610b75000cf7269ada9d791f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2987e760399b7f63ddd4b8b2999dc2067b1954b5354c3025e766137a6d6778d1
[INFO] running `Command { std: "docker" "start" "-a" "2987e760399b7f63ddd4b8b2999dc2067b1954b5354c3025e766137a6d6778d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling workerpool v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "2987e760399b7f63ddd4b8b2999dc2067b1954b5354c3025e766137a6d6778d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2987e760399b7f63ddd4b8b2999dc2067b1954b5354c3025e766137a6d6778d1", kill_on_drop: false }`
[INFO] [stdout] 2987e760399b7f63ddd4b8b2999dc2067b1954b5354c3025e766137a6d6778d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c2e0e78b2323ad6bd9263b1ed8b326e458eb8bb25cd7c6cb8bb8ffd078f6e9d
[INFO] running `Command { std: "docker" "start" "-a" "1c2e0e78b2323ad6bd9263b1ed8b326e458eb8bb25cd7c6cb8bb8ffd078f6e9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling workerpool v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "1c2e0e78b2323ad6bd9263b1ed8b326e458eb8bb25cd7c6cb8bb8ffd078f6e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2e0e78b2323ad6bd9263b1ed8b326e458eb8bb25cd7c6cb8bb8ffd078f6e9d", kill_on_drop: false }`
[INFO] [stdout] 1c2e0e78b2323ad6bd9263b1ed8b326e458eb8bb25cd7c6cb8bb8ffd078f6e9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 335bce51ef9ff0f4ad2f3f3878bff50964cec55d83e2797b4b03901ed9158a63
[INFO] running `Command { std: "docker" "start" "-a" "335bce51ef9ff0f4ad2f3f3878bff50964cec55d83e2797b4b03901ed9158a63", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/workerpool-7a51f3417876b03e)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test test::test_cloned_eq ... ok
[INFO] [stdout] test test::test_name ... ok
[INFO] [stdout] test test::test_empty_pool ... ok
[INFO] [stdout] test test::test_send ... ok
[INFO] [stdout] test test::test_send_shared_data ... ok
[INFO] [stdout] test test::test_multi_join ... ok
[INFO] [stdout] test test::test_sync_shared_data ... ok
[INFO] [stdout] test test::test_works ... ok
[INFO] [stdout] test test::test_shrink ... ok
[INFO] [stdout] test test::test_zero_tasks_panic - should panic ... ok
[INFO] [stdout] test test::test_should_not_panic_on_drop_if_subtasks_panic_after_drop ... ok
[INFO] [stdout] test test::test_recovery_from_subtask_panic ... ok
[INFO] [stdout] test test::test_active_count ... ok
[INFO] [stdout] test test::test_debug ... ok
[INFO] [stdout] test test::test_massive_task_creation ... ok
[INFO] [stdout] test test::test_join_wavesurfer ... ok
[INFO] [stdout] test test::test_clone ... ok
[INFO] [stdout] test test::test_no_fun_or_joy ... ok
[INFO] [stdout] test test::test_set_num_threads_decreasing ... ok
[INFO] [stdout] test test::test_repeated_join ... ok
[INFO] [stdout] test test::test_set_num_threads_increasing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 24.18s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests workerpool
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - Builder::new (line 288) ... ok
[INFO] [stdout] test src/lib.rs - Builder::build (line 406) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::execute_to (line 591) ... ok
[INFO] [stdout] test src/lib.rs - Builder (line 267) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::execute (line 561) ... ok
[INFO] [stdout] test src/lib.rs - (line 66) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::eq (line 907) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::clone (line 842) ... ok
[INFO] [stdout] test src/lib.rs - Builder::thread_name (line 344) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::new (line 506) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::join (line 790) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::max_count (line 677) ... ok
[INFO] [stdout] test src/lib.rs - thunk::Thunk (line 988) ... ok
[INFO] [stdout] test src/lib.rs - thunk::Thunk (line 981) ... ok
[INFO] [stdout] test src/lib.rs - Builder::num_threads (line 312) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::panic_count (line 697) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::with_name (line 527) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - Builder::thread_stack_size (line 378) ... ok
[INFO] [stdout] test src/lib.rs - thunk (line 937) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::queued_count (line 625) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::active_count (line 651) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::set_num_threads (line 730) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "335bce51ef9ff0f4ad2f3f3878bff50964cec55d83e2797b4b03901ed9158a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335bce51ef9ff0f4ad2f3f3878bff50964cec55d83e2797b4b03901ed9158a63", kill_on_drop: false }`
[INFO] [stdout] 335bce51ef9ff0f4ad2f3f3878bff50964cec55d83e2797b4b03901ed9158a63