[INFO] fetching crate kitty-build 0.0.0...
[INFO] testing kitty-build-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate kitty-build 0.0.0 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate kitty-build 0.0.0 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 kitty-build 0.0.0
[INFO] finished tweaking crates.io crate kitty-build 0.0.0
[INFO] tweaked toml for crates.io crate kitty-build 0.0.0 written to /workspace/builds/worker-40/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] a0e0f89f868b0edde0662faebe36f02e8cd684dc6e6c31ccb81e1c84e16fe777
[INFO] running `Command { std: "docker" "start" "-a" "a0e0f89f868b0edde0662faebe36f02e8cd684dc6e6c31ccb81e1c84e16fe777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0e0f89f868b0edde0662faebe36f02e8cd684dc6e6c31ccb81e1c84e16fe777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e0f89f868b0edde0662faebe36f02e8cd684dc6e6c31ccb81e1c84e16fe777", kill_on_drop: false }`
[INFO] [stdout] a0e0f89f868b0edde0662faebe36f02e8cd684dc6e6c31ccb81e1c84e16fe777
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 1cd7dabdcd8b45a418d71b5fd066aa862df2270b351c7b9bf75c1bcfc9bd8f8e
[INFO] running `Command { std: "docker" "start" "-a" "1cd7dabdcd8b45a418d71b5fd066aa862df2270b351c7b9bf75c1bcfc9bd8f8e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kitty-build v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "1cd7dabdcd8b45a418d71b5fd066aa862df2270b351c7b9bf75c1bcfc9bd8f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd7dabdcd8b45a418d71b5fd066aa862df2270b351c7b9bf75c1bcfc9bd8f8e", kill_on_drop: false }`
[INFO] [stdout] 1cd7dabdcd8b45a418d71b5fd066aa862df2270b351c7b9bf75c1bcfc9bd8f8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] c884c6dc0d28a94f7d47b4f91cd0ccb393c7e96a0250f41d2e1e4bba38716ffd
[INFO] running `Command { std: "docker" "start" "-a" "c884c6dc0d28a94f7d47b4f91cd0ccb393c7e96a0250f41d2e1e4bba38716ffd", kill_on_drop: false }`
[INFO] [stderr]    Compiling kitty-build v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "c884c6dc0d28a94f7d47b4f91cd0ccb393c7e96a0250f41d2e1e4bba38716ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c884c6dc0d28a94f7d47b4f91cd0ccb393c7e96a0250f41d2e1e4bba38716ffd", kill_on_drop: false }`
[INFO] [stdout] c884c6dc0d28a94f7d47b4f91cd0ccb393c7e96a0250f41d2e1e4bba38716ffd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 8049d5f97cd0d4781da3104bb087d2ce488563b2c8f8fcbf8bfa99ca9c3184e3
[INFO] running `Command { std: "docker" "start" "-a" "8049d5f97cd0d4781da3104bb087d2ce488563b2c8f8fcbf8bfa99ca9c3184e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kitty_build-4080b57a77f88777)
[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 kitty-build
[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" "8049d5f97cd0d4781da3104bb087d2ce488563b2c8f8fcbf8bfa99ca9c3184e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8049d5f97cd0d4781da3104bb087d2ce488563b2c8f8fcbf8bfa99ca9c3184e3", kill_on_drop: false }`
[INFO] [stdout] 8049d5f97cd0d4781da3104bb087d2ce488563b2c8f8fcbf8bfa99ca9c3184e3