[INFO] fetching crate liuhatry_threadpool_example 0.1.0...
[INFO] testing liuhatry_threadpool_example-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate liuhatry_threadpool_example 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate liuhatry_threadpool_example 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-9/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" "+beta-2021-09-08" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b1b7b7990d52a70353085144cb6686ba265397c6d087ded0809f55ab896418b
[INFO] running `Command { std: "docker" "start" "-a" "5b1b7b7990d52a70353085144cb6686ba265397c6d087ded0809f55ab896418b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b1b7b7990d52a70353085144cb6686ba265397c6d087ded0809f55ab896418b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1b7b7990d52a70353085144cb6686ba265397c6d087ded0809f55ab896418b", kill_on_drop: false }`
[INFO] [stdout] 5b1b7b7990d52a70353085144cb6686ba265397c6d087ded0809f55ab896418b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9884f5ec59c6a7352c4549b10d3efaf30f97613f0349ce178ecc6bb970b9ea7e
[INFO] running `Command { std: "docker" "start" "-a" "9884f5ec59c6a7352c4549b10d3efaf30f97613f0349ce178ecc6bb970b9ea7e", 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 1.73s
[INFO] running `Command { std: "docker" "inspect" "9884f5ec59c6a7352c4549b10d3efaf30f97613f0349ce178ecc6bb970b9ea7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9884f5ec59c6a7352c4549b10d3efaf30f97613f0349ce178ecc6bb970b9ea7e", kill_on_drop: false }`
[INFO] [stdout] 9884f5ec59c6a7352c4549b10d3efaf30f97613f0349ce178ecc6bb970b9ea7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e866100bee56a8fd240247ac96e935d1d8971cc981773cf45ba4fbed328510ea
[INFO] running `Command { std: "docker" "start" "-a" "e866100bee56a8fd240247ac96e935d1d8971cc981773cf45ba4fbed328510ea", 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 0.76s
[INFO] running `Command { std: "docker" "inspect" "e866100bee56a8fd240247ac96e935d1d8971cc981773cf45ba4fbed328510ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e866100bee56a8fd240247ac96e935d1d8971cc981773cf45ba4fbed328510ea", kill_on_drop: false }`
[INFO] [stdout] e866100bee56a8fd240247ac96e935d1d8971cc981773cf45ba4fbed328510ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9f1f21e1b385095214a987524257895e88617c7e1cf7bca1dda8b6c50f2050c
[INFO] running `Command { std: "docker" "start" "-a" "b9f1f21e1b385095214a987524257895e88617c7e1cf7bca1dda8b6c50f2050c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/liuhatry_threadpool_example-f5aac77d01cc2e33)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-3f46e9b86bbe1551)
[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] [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" "b9f1f21e1b385095214a987524257895e88617c7e1cf7bca1dda8b6c50f2050c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f1f21e1b385095214a987524257895e88617c7e1cf7bca1dda8b6c50f2050c", kill_on_drop: false }`
[INFO] [stdout] b9f1f21e1b385095214a987524257895e88617c7e1cf7bca1dda8b6c50f2050c