[INFO] fetching crate blocking_pool 0.2.0...
[INFO] testing blocking_pool-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate blocking_pool 0.2.0 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate blocking_pool 0.2.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blocking_pool 0.2.0
[INFO] finished tweaking crates.io crate blocking_pool 0.2.0
[INFO] tweaked toml for crates.io crate blocking_pool 0.2.0 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded completion-core v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 469970064ee0c7cb3f3206e81f073f4eb3e85ea8ed9500efc47668b4056cb48b
[INFO] running `Command { std: "docker" "start" "-a" "469970064ee0c7cb3f3206e81f073f4eb3e85ea8ed9500efc47668b4056cb48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "469970064ee0c7cb3f3206e81f073f4eb3e85ea8ed9500efc47668b4056cb48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "469970064ee0c7cb3f3206e81f073f4eb3e85ea8ed9500efc47668b4056cb48b", kill_on_drop: false }`
[INFO] [stdout] 469970064ee0c7cb3f3206e81f073f4eb3e85ea8ed9500efc47668b4056cb48b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d1e019c6caeaffd00b8431f2227ad0d88688430d47d0860ae61933c3c2dab05
[INFO] running `Command { std: "docker" "start" "-a" "3d1e019c6caeaffd00b8431f2227ad0d88688430d47d0860ae61933c3c2dab05", kill_on_drop: false }`
[INFO] [stderr]    Compiling completion-core v0.2.0
[INFO] [stderr]    Compiling blocking_pool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "3d1e019c6caeaffd00b8431f2227ad0d88688430d47d0860ae61933c3c2dab05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1e019c6caeaffd00b8431f2227ad0d88688430d47d0860ae61933c3c2dab05", kill_on_drop: false }`
[INFO] [stdout] 3d1e019c6caeaffd00b8431f2227ad0d88688430d47d0860ae61933c3c2dab05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20e80a254b82b92134e4e7261151f4fd3ea0218a95d4a294ae7faa125f524810
[INFO] running `Command { std: "docker" "start" "-a" "20e80a254b82b92134e4e7261151f4fd3ea0218a95d4a294ae7faa125f524810", kill_on_drop: false }`
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling blocking_pool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.07s
[INFO] running `Command { std: "docker" "inspect" "20e80a254b82b92134e4e7261151f4fd3ea0218a95d4a294ae7faa125f524810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e80a254b82b92134e4e7261151f4fd3ea0218a95d4a294ae7faa125f524810", kill_on_drop: false }`
[INFO] [stdout] 20e80a254b82b92134e4e7261151f4fd3ea0218a95d4a294ae7faa125f524810
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27341e4d7ee2eec4b1277197d31ea852f347dd0a676ad01fbbfa47a15c19decc
[INFO] running `Command { std: "docker" "start" "-a" "27341e4d7ee2eec4b1277197d31ea852f347dd0a676ad01fbbfa47a15c19decc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blocking_pool-87ef987e53ea1875)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests blocking_pool
[INFO] [stdout] test tests::more_work_than_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - ThreadPool::spawn_boxed (line 197) - compile ... ok
[INFO] [stdout] test src/lib.rs - Builder (line 301) ... ok
[INFO] [stdout] test src/lib.rs - ThreadPool::prune (line 253) ... ok
[INFO] [stdout] test src/lib.rs - ThreadPool::wait_all_complete (line 225) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "27341e4d7ee2eec4b1277197d31ea852f347dd0a676ad01fbbfa47a15c19decc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27341e4d7ee2eec4b1277197d31ea852f347dd0a676ad01fbbfa47a15c19decc", kill_on_drop: false }`
[INFO] [stdout] 27341e4d7ee2eec4b1277197d31ea852f347dd0a676ad01fbbfa47a15c19decc