[INFO] fetching crate img-optimize 0.1.0...
[INFO] checking img-optimize-0.1.0 against master#43a4909ee98ed4d006d9d773f5d94dc58e34f846 for pr-157576
[INFO] extracting crate img-optimize 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate img-optimize 0.1.0
[INFO] finished tweaking crates.io crate img-optimize 0.1.0
[INFO] tweaked toml for crates.io crate img-optimize 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate img-optimize 0.1.0 on toolchain 43a4909ee98ed4d006d9d773f5d94dc58e34f846
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate img-optimize 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libdeflater v1.23.1
[INFO] [stderr]   Downloaded git-version v0.3.9
[INFO] [stderr]   Downloaded env_logger v0.11.7
[INFO] [stderr]   Downloaded simple_logger v5.0.0
[INFO] [stderr]   Downloaded git-version-macro v0.3.9
[INFO] [stderr]   Downloaded default-boxed v0.2.0
[INFO] [stderr]   Downloaded default-boxed-derive v0.2.0
[INFO] [stderr]   Downloaded thread-priority v1.2.0
[INFO] [stderr]   Downloaded unroll v0.1.5
[INFO] [stderr]   Downloaded oxipng v9.1.4
[INFO] [stderr]   Downloaded libdeflate-sys v1.23.1
[INFO] [stderr]   Downloaded jpegxl-rs v0.11.2+libjxl-0.11.1
[INFO] [stderr]   Downloaded jpegxl-sys v0.11.2+libjxl-0.11.1
[INFO] [stderr]   Downloaded lepton_jpeg v0.4.2
[INFO] [stderr]   Downloaded webp v0.3.0
[INFO] [stderr]   Downloaded libwebp-sys v0.9.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d09cd329c5e48da3cabd9443ff4857bffbbca733987e0e236fce169265cf90e5
[INFO] running `Command { std: "docker" "start" "d09cd329c5e48da3cabd9443ff4857bffbbca733987e0e236fce169265cf90e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09cd329c5e48da3cabd9443ff4857bffbbca733987e0e236fce169265cf90e5", kill_on_drop: false }`
[INFO] [stdout] d09cd329c5e48da3cabd9443ff4857bffbbca733987e0e236fce169265cf90e5


command failed: exit status: 1