[INFO] fetching crate kitkat 0.1.1...
[INFO] testing kitkat-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate kitkat 0.1.1 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate kitkat 0.1.1 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 kitkat 0.1.1
[INFO] finished tweaking crates.io crate kitkat 0.1.1
[INFO] tweaked toml for crates.io crate kitkat 0.1.1 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate crates.io crate kitkat 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] e2f78bac8a8f4b84a81a8bfd4d03bf240ea1e0f8c60a41c097a7ec90e1d488ce
[INFO] running `Command { std: "docker" "start" "-a" "e2f78bac8a8f4b84a81a8bfd4d03bf240ea1e0f8c60a41c097a7ec90e1d488ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2f78bac8a8f4b84a81a8bfd4d03bf240ea1e0f8c60a41c097a7ec90e1d488ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f78bac8a8f4b84a81a8bfd4d03bf240ea1e0f8c60a41c097a7ec90e1d488ce", kill_on_drop: false }`
[INFO] [stdout] e2f78bac8a8f4b84a81a8bfd4d03bf240ea1e0f8c60a41c097a7ec90e1d488ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 3889d6fa11f48bd8a4d3e69916ff37618ad0b9adb83289cda5362e9b9d241b4c
[INFO] running `Command { std: "docker" "start" "-a" "3889d6fa11f48bd8a4d3e69916ff37618ad0b9adb83289cda5362e9b9d241b4c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kitkat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "3889d6fa11f48bd8a4d3e69916ff37618ad0b9adb83289cda5362e9b9d241b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3889d6fa11f48bd8a4d3e69916ff37618ad0b9adb83289cda5362e9b9d241b4c", kill_on_drop: false }`
[INFO] [stdout] 3889d6fa11f48bd8a4d3e69916ff37618ad0b9adb83289cda5362e9b9d241b4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] bc3c8beb38e13407a477b3b31813ddcb632cd15acc83c033ace38fb637ccee54
[INFO] running `Command { std: "docker" "start" "-a" "bc3c8beb38e13407a477b3b31813ddcb632cd15acc83c033ace38fb637ccee54", kill_on_drop: false }`
[INFO] [stderr]    Compiling kitkat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "bc3c8beb38e13407a477b3b31813ddcb632cd15acc83c033ace38fb637ccee54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3c8beb38e13407a477b3b31813ddcb632cd15acc83c033ace38fb637ccee54", kill_on_drop: false }`
[INFO] [stdout] bc3c8beb38e13407a477b3b31813ddcb632cd15acc83c033ace38fb637ccee54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] b03e4e9d373bbaadbac187a97455c64f58c2d7fc263556121c60ad7bb875a02e
[INFO] running `Command { std: "docker" "start" "-a" "b03e4e9d373bbaadbac187a97455c64f58c2d7fc263556121c60ad7bb875a02e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kitkat-034e77886ed5ed58)
[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" "b03e4e9d373bbaadbac187a97455c64f58c2d7fc263556121c60ad7bb875a02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b03e4e9d373bbaadbac187a97455c64f58c2d7fc263556121c60ad7bb875a02e", kill_on_drop: false }`
[INFO] [stdout] b03e4e9d373bbaadbac187a97455c64f58c2d7fc263556121c60ad7bb875a02e