[INFO] cloning repository https://github.com/ExcaliburZero/png-extractor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ExcaliburZero/png-extractor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExcaliburZero%2Fpng-extractor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExcaliburZero%2Fpng-extractor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 833c1154c4334b0cd08da572817e837c6ebbc965
[INFO] testing ExcaliburZero/png-extractor against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExcaliburZero%2Fpng-extractor" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ExcaliburZero/png-extractor on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ExcaliburZero/png-extractor
[INFO] finished tweaking git repo https://github.com/ExcaliburZero/png-extractor
[INFO] tweaked toml for git repo https://github.com/ExcaliburZero/png-extractor written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate git repo https://github.com/ExcaliburZero/png-extractor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d2c3e56c2a26ec85a4eec1189ddc89e752deb55a363d1261f84ed1cf9cebfd9
[INFO] running `Command { std: "docker" "start" "-a" "2d2c3e56c2a26ec85a4eec1189ddc89e752deb55a363d1261f84ed1cf9cebfd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d2c3e56c2a26ec85a4eec1189ddc89e752deb55a363d1261f84ed1cf9cebfd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2c3e56c2a26ec85a4eec1189ddc89e752deb55a363d1261f84ed1cf9cebfd9", kill_on_drop: false }`
[INFO] [stdout] 2d2c3e56c2a26ec85a4eec1189ddc89e752deb55a363d1261f84ed1cf9cebfd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c548e7d882c4814daef98a76404d5987ddfa28e0bae8bb10a119387dd2cd4dca
[INFO] running `Command { std: "docker" "start" "-a" "c548e7d882c4814daef98a76404d5987ddfa28e0bae8bb10a119387dd2cd4dca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling png-extractor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.50s
[INFO] running `Command { std: "docker" "inspect" "c548e7d882c4814daef98a76404d5987ddfa28e0bae8bb10a119387dd2cd4dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c548e7d882c4814daef98a76404d5987ddfa28e0bae8bb10a119387dd2cd4dca", kill_on_drop: false }`
[INFO] [stdout] c548e7d882c4814daef98a76404d5987ddfa28e0bae8bb10a119387dd2cd4dca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c248bb60d6e5bcca8fcfd483f7cd10d137b13ecb89b4e69386a4f6f1e722528
[INFO] running `Command { std: "docker" "start" "-a" "4c248bb60d6e5bcca8fcfd483f7cd10d137b13ecb89b4e69386a4f6f1e722528", kill_on_drop: false }`
[INFO] [stderr]    Compiling png-extractor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "4c248bb60d6e5bcca8fcfd483f7cd10d137b13ecb89b4e69386a4f6f1e722528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c248bb60d6e5bcca8fcfd483f7cd10d137b13ecb89b4e69386a4f6f1e722528", kill_on_drop: false }`
[INFO] [stdout] 4c248bb60d6e5bcca8fcfd483f7cd10d137b13ecb89b4e69386a4f6f1e722528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a5a211a21baf25e28a8b7b581a8c199f795e2f7039856b54218a2437f0aac6e
[INFO] running `Command { std: "docker" "start" "-a" "2a5a211a21baf25e28a8b7b581a8c199f795e2f7039856b54218a2437f0aac6e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/png_extractor-539b7c521555e441)
[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" "2a5a211a21baf25e28a8b7b581a8c199f795e2f7039856b54218a2437f0aac6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a5a211a21baf25e28a8b7b581a8c199f795e2f7039856b54218a2437f0aac6e", kill_on_drop: false }`
[INFO] [stdout] 2a5a211a21baf25e28a8b7b581a8c199f795e2f7039856b54218a2437f0aac6e