[INFO] fetching crate kitchen 0.2.0...
[INFO] testing kitchen-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate kitchen 0.2.0 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate kitchen 0.2.0 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 kitchen 0.2.0
[INFO] finished tweaking crates.io crate kitchen 0.2.0
[INFO] tweaked toml for crates.io crate kitchen 0.2.0 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] crate crates.io crate kitchen 0.2.0 already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.20
[INFO] [stderr]   Downloaded structopt-derive v0.4.10
[INFO] [stderr]   Downloaded syn v1.0.40
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] [stderr]   Downloaded question v0.2.2
[INFO] [stderr]   Downloaded structopt v0.3.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] b76ad68c0c6c8130a262c0a2bc23e07f7561a499c38c9290b9f1af53a71b8fbf
[INFO] running `Command { std: "docker" "start" "-a" "b76ad68c0c6c8130a262c0a2bc23e07f7561a499c38c9290b9f1af53a71b8fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b76ad68c0c6c8130a262c0a2bc23e07f7561a499c38c9290b9f1af53a71b8fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b76ad68c0c6c8130a262c0a2bc23e07f7561a499c38c9290b9f1af53a71b8fbf", kill_on_drop: false }`
[INFO] [stdout] b76ad68c0c6c8130a262c0a2bc23e07f7561a499c38c9290b9f1af53a71b8fbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] aeed5e4507e509739a9b3d88b6483129d48accd16b2705024c491076cc9a7016
[INFO] running `Command { std: "docker" "start" "-a" "aeed5e4507e509739a9b3d88b6483129d48accd16b2705024c491076cc9a7016", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling question v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling kitchen v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.76s
[INFO] running `Command { std: "docker" "inspect" "aeed5e4507e509739a9b3d88b6483129d48accd16b2705024c491076cc9a7016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeed5e4507e509739a9b3d88b6483129d48accd16b2705024c491076cc9a7016", kill_on_drop: false }`
[INFO] [stdout] aeed5e4507e509739a9b3d88b6483129d48accd16b2705024c491076cc9a7016
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] e1f4f2e1be5aa74287bbe5fcb35f5752ce947c193acdc999ce06c212eccece27
[INFO] running `Command { std: "docker" "start" "-a" "e1f4f2e1be5aa74287bbe5fcb35f5752ce947c193acdc999ce06c212eccece27", kill_on_drop: false }`
[INFO] [stderr]    Compiling kitchen v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "e1f4f2e1be5aa74287bbe5fcb35f5752ce947c193acdc999ce06c212eccece27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f4f2e1be5aa74287bbe5fcb35f5752ce947c193acdc999ce06c212eccece27", kill_on_drop: false }`
[INFO] [stdout] e1f4f2e1be5aa74287bbe5fcb35f5752ce947c193acdc999ce06c212eccece27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] c90fce83507073bfb53745f8b3c8c7c634b7ea824f94690822103b1e49135763
[INFO] running `Command { std: "docker" "start" "-a" "c90fce83507073bfb53745f8b3c8c7c634b7ea824f94690822103b1e49135763", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kitchen-d625aaf52520ad75)
[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" "c90fce83507073bfb53745f8b3c8c7c634b7ea824f94690822103b1e49135763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90fce83507073bfb53745f8b3c8c7c634b7ea824f94690822103b1e49135763", kill_on_drop: false }`
[INFO] [stdout] c90fce83507073bfb53745f8b3c8c7c634b7ea824f94690822103b1e49135763