[INFO] updating cached repository https://github.com/ImageOptim/gifski
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/ImageOptim/gifski
[INFO] [stderr]    062e73c..9c4d190  master     -> master
[INFO] [stderr]  * [new tag]         0.10.4     -> 0.10.4
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c4d1900e58252ec2a1407fa6d032cdf4d4aa166
[INFO] checking ImageOptim/gifski against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImageOptim%2Fgifski" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ImageOptim/gifski on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ImageOptim/gifski
[INFO] finished tweaking git repo https://github.com/ImageOptim/gifski
[INFO] tweaked toml for git repo https://github.com/ImageOptim/gifski written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ImageOptim/gifski already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/kornelski/rust-ffmpeg.git`
[INFO] [stderr]     Updating git repository `https://github.com/kornelski/rust-ffmpeg-sys`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f8c6ef4faf1107d99d9935ecae115a3331d45c43467ea1d729bcb0d0cc7a233
[INFO] running `"docker" "start" "-a" "2f8c6ef4faf1107d99d9935ecae115a3331d45c43467ea1d729bcb0d0cc7a233"`
[INFO] [stderr]     Checking rgb v0.8.16
[INFO] [stderr]     Checking imgref v1.4.1
[INFO] [stderr]     Checking wild v2.0.2
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]     Checking resize v0.4.0
[INFO] [stderr]    Compiling imagequant-sys v2.12.5
[INFO] [stderr]     Checking pbr v1.0.2
[INFO] [stderr]     Checking gif-dispose v2.3.0
[INFO] [stderr]     Checking lodepng v2.5.0
[INFO] [stderr]     Checking imagequant v2.12.5
[INFO] [stderr]     Checking gifski v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.46s
[INFO] running `"docker" "inspect" "2f8c6ef4faf1107d99d9935ecae115a3331d45c43467ea1d729bcb0d0cc7a233"`
[INFO] running `"docker" "rm" "-f" "2f8c6ef4faf1107d99d9935ecae115a3331d45c43467ea1d729bcb0d0cc7a233"`
[INFO] [stdout] 2f8c6ef4faf1107d99d9935ecae115a3331d45c43467ea1d729bcb0d0cc7a233