[INFO] fetching crate kitty 0.0.0...
[INFO] testing kitty-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate kitty 0.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate kitty 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 0.0.0
[INFO] finished tweaking crates.io crate kitty 0.0.0
[INFO] tweaked toml for crates.io crate kitty 0.0.0 written to /workspace/builds/worker-9/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] 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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6674a2c7b8f7d56b4e512908448c1acc39ea3e8b9360c1526338eb4dda25b989
[INFO] running `Command { std: "docker" "start" "-a" "6674a2c7b8f7d56b4e512908448c1acc39ea3e8b9360c1526338eb4dda25b989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6674a2c7b8f7d56b4e512908448c1acc39ea3e8b9360c1526338eb4dda25b989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6674a2c7b8f7d56b4e512908448c1acc39ea3e8b9360c1526338eb4dda25b989", kill_on_drop: false }`
[INFO] [stdout] 6674a2c7b8f7d56b4e512908448c1acc39ea3e8b9360c1526338eb4dda25b989
[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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e26f2385075c6835ab014c0ddb67466c84e19d841148b2d966477ca68e5b2c2
[INFO] running `Command { std: "docker" "start" "-a" "3e26f2385075c6835ab014c0ddb67466c84e19d841148b2d966477ca68e5b2c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling kitty v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "3e26f2385075c6835ab014c0ddb67466c84e19d841148b2d966477ca68e5b2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e26f2385075c6835ab014c0ddb67466c84e19d841148b2d966477ca68e5b2c2", kill_on_drop: false }`
[INFO] [stdout] 3e26f2385075c6835ab014c0ddb67466c84e19d841148b2d966477ca68e5b2c2
[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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a35b2f6de41a245910c08a51ec07163c637d13d6df1edd69c642922e451bcc6
[INFO] running `Command { std: "docker" "start" "-a" "2a35b2f6de41a245910c08a51ec07163c637d13d6df1edd69c642922e451bcc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling kitty v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "2a35b2f6de41a245910c08a51ec07163c637d13d6df1edd69c642922e451bcc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a35b2f6de41a245910c08a51ec07163c637d13d6df1edd69c642922e451bcc6", kill_on_drop: false }`
[INFO] [stdout] 2a35b2f6de41a245910c08a51ec07163c637d13d6df1edd69c642922e451bcc6
[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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3748090cca0203b8a365466517cce4c620aa1d12d8ce7bb08baa252c4668ef5
[INFO] running `Command { std: "docker" "start" "-a" "d3748090cca0203b8a365466517cce4c620aa1d12d8ce7bb08baa252c4668ef5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kitty-8f836258c3db7783)
[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
[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" "d3748090cca0203b8a365466517cce4c620aa1d12d8ce7bb08baa252c4668ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3748090cca0203b8a365466517cce4c620aa1d12d8ce7bb08baa252c4668ef5", kill_on_drop: false }`
[INFO] [stdout] d3748090cca0203b8a365466517cce4c620aa1d12d8ce7bb08baa252c4668ef5