[INFO] fetching crate blocking_pool 0.2.0...
[INFO] testing blocking_pool-0.2.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate blocking_pool 0.2.0 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate blocking_pool 0.2.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e900e5a6539267f106d846224b27ca3ec13e41ac778652716a61af9537a723f2
[INFO] running `Command { std: "docker" "start" "-a" "e900e5a6539267f106d846224b27ca3ec13e41ac778652716a61af9537a723f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e900e5a6539267f106d846224b27ca3ec13e41ac778652716a61af9537a723f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e900e5a6539267f106d846224b27ca3ec13e41ac778652716a61af9537a723f2", kill_on_drop: false }`
[INFO] [stdout] e900e5a6539267f106d846224b27ca3ec13e41ac778652716a61af9537a723f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eae2cb3a757abfddd530d810d8e1f6963592f97932c0ef1cf15bb1442d16f4c4
[INFO] running `Command { std: "docker" "start" "-a" "eae2cb3a757abfddd530d810d8e1f6963592f97932c0ef1cf15bb1442d16f4c4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-core v0.3.18
[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 1.39s
[INFO] running `Command { std: "docker" "inspect" "eae2cb3a757abfddd530d810d8e1f6963592f97932c0ef1cf15bb1442d16f4c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eae2cb3a757abfddd530d810d8e1f6963592f97932c0ef1cf15bb1442d16f4c4", kill_on_drop: false }`
[INFO] [stdout] eae2cb3a757abfddd530d810d8e1f6963592f97932c0ef1cf15bb1442d16f4c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c29bef3617edc2d0c6de987db827d6ec8ba1e8136b9f835f5f4e62a55ff31b97
[INFO] running `Command { std: "docker" "start" "-a" "c29bef3617edc2d0c6de987db827d6ec8ba1e8136b9f835f5f4e62a55ff31b97", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rayon v1.5.1
[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 21.16s
[INFO] running `Command { std: "docker" "inspect" "c29bef3617edc2d0c6de987db827d6ec8ba1e8136b9f835f5f4e62a55ff31b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29bef3617edc2d0c6de987db827d6ec8ba1e8136b9f835f5f4e62a55ff31b97", kill_on_drop: false }`
[INFO] [stdout] c29bef3617edc2d0c6de987db827d6ec8ba1e8136b9f835f5f4e62a55ff31b97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6679821c1362ed62cf8a27383524bc498f6522aa604b10fd3af22f52e772eda
[INFO] running `Command { std: "docker" "start" "-a" "d6679821c1362ed62cf8a27383524bc498f6522aa604b10fd3af22f52e772eda", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blocking_pool-16125844983e91cc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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 2.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blocking_pool
[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 - ThreadPool::prune (line 253) ... ok
[INFO] [stdout] test src/lib.rs - Builder (line 301) ... 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 4.95s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6679821c1362ed62cf8a27383524bc498f6522aa604b10fd3af22f52e772eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6679821c1362ed62cf8a27383524bc498f6522aa604b10fd3af22f52e772eda", kill_on_drop: false }`
[INFO] [stdout] d6679821c1362ed62cf8a27383524bc498f6522aa604b10fd3af22f52e772eda