[INFO] fetching crate liuhatry_threadpool_example 0.1.0...
[INFO] testing liuhatry_threadpool_example-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate liuhatry_threadpool_example 0.1.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate liuhatry_threadpool_example 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liuhatry_threadpool_example 0.1.0
[INFO] finished tweaking crates.io crate liuhatry_threadpool_example 0.1.0
[INFO] tweaked toml for crates.io crate liuhatry_threadpool_example 0.1.0 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate crates.io crate liuhatry_threadpool_example 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47d4e7ac7f90011f8ee632d7042e97e4f48c2c8b1b5945d353b2ca27e4506a35
[INFO] running `Command { std: "docker" "start" "-a" "47d4e7ac7f90011f8ee632d7042e97e4f48c2c8b1b5945d353b2ca27e4506a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47d4e7ac7f90011f8ee632d7042e97e4f48c2c8b1b5945d353b2ca27e4506a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d4e7ac7f90011f8ee632d7042e97e4f48c2c8b1b5945d353b2ca27e4506a35", kill_on_drop: false }`
[INFO] [stdout] 47d4e7ac7f90011f8ee632d7042e97e4f48c2c8b1b5945d353b2ca27e4506a35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e9206a362fc456471c0738e9e74c2de01269c85d4a91c06ea47d2f5a0d1f4bb
[INFO] running `Command { std: "docker" "start" "-a" "6e9206a362fc456471c0738e9e74c2de01269c85d4a91c06ea47d2f5a0d1f4bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling liuhatry_threadpool_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.32s
[INFO] running `Command { std: "docker" "inspect" "6e9206a362fc456471c0738e9e74c2de01269c85d4a91c06ea47d2f5a0d1f4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9206a362fc456471c0738e9e74c2de01269c85d4a91c06ea47d2f5a0d1f4bb", kill_on_drop: false }`
[INFO] [stdout] 6e9206a362fc456471c0738e9e74c2de01269c85d4a91c06ea47d2f5a0d1f4bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 230442d555769c5b4f8ca4c69528b8c99cb8f0459c39ae85ed54aecd5865ee8c
[INFO] running `Command { std: "docker" "start" "-a" "230442d555769c5b4f8ca4c69528b8c99cb8f0459c39ae85ed54aecd5865ee8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling liuhatry_threadpool_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "230442d555769c5b4f8ca4c69528b8c99cb8f0459c39ae85ed54aecd5865ee8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "230442d555769c5b4f8ca4c69528b8c99cb8f0459c39ae85ed54aecd5865ee8c", kill_on_drop: false }`
[INFO] [stdout] 230442d555769c5b4f8ca4c69528b8c99cb8f0459c39ae85ed54aecd5865ee8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 520c4cb44f4445f1af28519fcbd59e6c995afae0dd5d18658514f4dda5c3e272
[INFO] running `Command { std: "docker" "start" "-a" "520c4cb44f4445f1af28519fcbd59e6c995afae0dd5d18658514f4dda5c3e272", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/liuhatry_threadpool_example-6623a143143987da)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-3bae6e85a2a2af09)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests liuhatry_threadpool_example
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "520c4cb44f4445f1af28519fcbd59e6c995afae0dd5d18658514f4dda5c3e272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520c4cb44f4445f1af28519fcbd59e6c995afae0dd5d18658514f4dda5c3e272", kill_on_drop: false }`
[INFO] [stdout] 520c4cb44f4445f1af28519fcbd59e6c995afae0dd5d18658514f4dda5c3e272