[INFO] fetching crate liuhatry_threadpool_example 0.1.0...
[INFO] testing liuhatry_threadpool_example-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate liuhatry_threadpool_example 0.1.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate liuhatry_threadpool_example 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-20/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" "+1.59.0" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7c56082f20e84b8eaa89e5e5c9f2e33bb72b94f0bfb1dedac206194ddc69673
[INFO] running `Command { std: "docker" "start" "-a" "c7c56082f20e84b8eaa89e5e5c9f2e33bb72b94f0bfb1dedac206194ddc69673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7c56082f20e84b8eaa89e5e5c9f2e33bb72b94f0bfb1dedac206194ddc69673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c56082f20e84b8eaa89e5e5c9f2e33bb72b94f0bfb1dedac206194ddc69673", kill_on_drop: false }`
[INFO] [stdout] c7c56082f20e84b8eaa89e5e5c9f2e33bb72b94f0bfb1dedac206194ddc69673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a55eda86b6053bf053e2ec16ef3f08ec8d7b4fe74592593fc4c280dc7557dd97
[INFO] running `Command { std: "docker" "start" "-a" "a55eda86b6053bf053e2ec16ef3f08ec8d7b4fe74592593fc4c280dc7557dd97", kill_on_drop: false }`
[INFO] [stderr]    Compiling liuhatry_threadpool_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "a55eda86b6053bf053e2ec16ef3f08ec8d7b4fe74592593fc4c280dc7557dd97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a55eda86b6053bf053e2ec16ef3f08ec8d7b4fe74592593fc4c280dc7557dd97", kill_on_drop: false }`
[INFO] [stdout] a55eda86b6053bf053e2ec16ef3f08ec8d7b4fe74592593fc4c280dc7557dd97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04877e2409162dd0701f6e16c41b0b997c81e9631088b5fc930a17bd3fda89f0
[INFO] running `Command { std: "docker" "start" "-a" "04877e2409162dd0701f6e16c41b0b997c81e9631088b5fc930a17bd3fda89f0", 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 0.32s
[INFO] running `Command { std: "docker" "inspect" "04877e2409162dd0701f6e16c41b0b997c81e9631088b5fc930a17bd3fda89f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04877e2409162dd0701f6e16c41b0b997c81e9631088b5fc930a17bd3fda89f0", kill_on_drop: false }`
[INFO] [stdout] 04877e2409162dd0701f6e16c41b0b997c81e9631088b5fc930a17bd3fda89f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2652827f02372024d54e71b41f0ee79a63838605fd9a511851b91930a9c18e8d
[INFO] running `Command { std: "docker" "start" "-a" "2652827f02372024d54e71b41f0ee79a63838605fd9a511851b91930a9c18e8d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/liuhatry_threadpool_example-dafcb7e3559886c5)
[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-1909879a7ee9040d)
[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" "2652827f02372024d54e71b41f0ee79a63838605fd9a511851b91930a9c18e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2652827f02372024d54e71b41f0ee79a63838605fd9a511851b91930a9c18e8d", kill_on_drop: false }`
[INFO] [stdout] 2652827f02372024d54e71b41f0ee79a63838605fd9a511851b91930a9c18e8d