[INFO] cloning repository https://github.com/redwarp/optimize-png-hooks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redwarp/optimize-png-hooks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredwarp%2Foptimize-png-hooks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredwarp%2Foptimize-png-hooks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 887567157d6402cfc5913ddd65d430d4d6afc9c1
[INFO] checking redwarp/optimize-png-hooks against master#43d9f3859e0204e764161ee085a360274b5f3e9a for pr-97346
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredwarp%2Foptimize-png-hooks" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redwarp/optimize-png-hooks on toolchain 43d9f3859e0204e764161ee085a360274b5f3e9a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redwarp/optimize-png-hooks
[INFO] finished tweaking git repo https://github.com/redwarp/optimize-png-hooks
[INFO] tweaked toml for git repo https://github.com/redwarp/optimize-png-hooks written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/redwarp/optimize-png-hooks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libdeflater v0.7.5
[INFO] [stderr]   Downloaded cloudflare-zlib v0.2.9
[INFO] [stderr]   Downloaded crc32fast v1.3.1
[INFO] [stderr]   Downloaded cloudflare-zlib-sys v0.3.0
[INFO] [stderr]   Downloaded wild v2.0.4
[INFO] [stderr]   Downloaded rgb v0.8.31
[INFO] [stderr]   Downloaded typed-arena v1.7.0
[INFO] [stderr]   Downloaded oxipng v5.0.1
[INFO] [stderr]   Downloaded zopfli v0.4.0
[INFO] [stderr]   Downloaded libdeflate-sys v0.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddd5fdd62b0ae3100ae56238f798d1f5afef71aaba936f168e28aa0c62febdcc
[INFO] running `Command { std: "docker" "start" "-a" "ddd5fdd62b0ae3100ae56238f798d1f5afef71aaba936f168e28aa0c62febdcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddd5fdd62b0ae3100ae56238f798d1f5afef71aaba936f168e28aa0c62febdcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd5fdd62b0ae3100ae56238f798d1f5afef71aaba936f168e28aa0c62febdcc", kill_on_drop: false }`
[INFO] [stdout] ddd5fdd62b0ae3100ae56238f798d1f5afef71aaba936f168e28aa0c62febdcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9f337a37fc3ae05a9b8033e4af4ebcecde5e26d6e806bca4311a2973734f495
[INFO] running `Command { std: "docker" "start" "-a" "a9f337a37fc3ae05a9b8033e4af4ebcecde5e26d6e806bca4311a2973734f495", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "a9f337a37fc3ae05a9b8033e4af4ebcecde5e26d6e806bca4311a2973734f495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f337a37fc3ae05a9b8033e4af4ebcecde5e26d6e806bca4311a2973734f495", kill_on_drop: false }`
[INFO] [stdout] a9f337a37fc3ae05a9b8033e4af4ebcecde5e26d6e806bca4311a2973734f495