[INFO] fetching crate paku 0.0.2...
[INFO] testing paku-0.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate paku 0.0.2 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate paku 0.0.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate paku 0.0.2
[INFO] finished tweaking crates.io crate paku 0.0.2
[INFO] tweaked toml for crates.io crate paku 0.0.2 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a29b38acb94cb2d398f0c9658b2bf78198dc3013c577229c157aabe9920c625
[INFO] running `Command { std: "docker" "start" "-a" "8a29b38acb94cb2d398f0c9658b2bf78198dc3013c577229c157aabe9920c625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a29b38acb94cb2d398f0c9658b2bf78198dc3013c577229c157aabe9920c625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a29b38acb94cb2d398f0c9658b2bf78198dc3013c577229c157aabe9920c625", kill_on_drop: false }`
[INFO] [stdout] 8a29b38acb94cb2d398f0c9658b2bf78198dc3013c577229c157aabe9920c625
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c09eba9a5ec28538193618dc84203aed8104e889fe1321111ee8951ee3e6381
[INFO] running `Command { std: "docker" "start" "-a" "9c09eba9a5ec28538193618dc84203aed8104e889fe1321111ee8951ee3e6381", kill_on_drop: false }`
[INFO] [stderr]    Compiling paku v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 35s
[INFO] running `Command { std: "docker" "inspect" "9c09eba9a5ec28538193618dc84203aed8104e889fe1321111ee8951ee3e6381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c09eba9a5ec28538193618dc84203aed8104e889fe1321111ee8951ee3e6381", kill_on_drop: false }`
[INFO] [stdout] 9c09eba9a5ec28538193618dc84203aed8104e889fe1321111ee8951ee3e6381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 859924836d59021fa4de7a86b7b07de8a1fea5feb3c5c40af200b2cf5ea46051
[INFO] running `Command { std: "docker" "start" "-a" "859924836d59021fa4de7a86b7b07de8a1fea5feb3c5c40af200b2cf5ea46051", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling paku v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "859924836d59021fa4de7a86b7b07de8a1fea5feb3c5c40af200b2cf5ea46051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "859924836d59021fa4de7a86b7b07de8a1fea5feb3c5c40af200b2cf5ea46051", kill_on_drop: false }`
[INFO] [stdout] 859924836d59021fa4de7a86b7b07de8a1fea5feb3c5c40af200b2cf5ea46051
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff163d70639fbacba439ea120143a52ee6b38f41a2a7906eba00907e85e127da
[INFO] running `Command { std: "docker" "start" "-a" "ff163d70639fbacba439ea120143a52ee6b38f41a2a7906eba00907e85e127da", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/paku-19f286d8f61bfc3b)
[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 paku
[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" "ff163d70639fbacba439ea120143a52ee6b38f41a2a7906eba00907e85e127da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff163d70639fbacba439ea120143a52ee6b38f41a2a7906eba00907e85e127da", kill_on_drop: false }`
[INFO] [stdout] ff163d70639fbacba439ea120143a52ee6b38f41a2a7906eba00907e85e127da