[INFO] updating cached repository https://github.com/SolidTux/pngflut
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4302d42ec8548e3eb4100a0dfbce2df2f1acbdcf
[INFO] checking SolidTux/pngflut against master#4007d4ef26eab44bdabc2b7574d032152264d3ad for pr-66919
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolidTux%2Fpngflut" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SolidTux/pngflut on toolchain 4007d4ef26eab44bdabc2b7574d032152264d3ad
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/SolidTux/pngflut
[INFO] finished tweaking git repo https://github.com/SolidTux/pngflut
[INFO] tweaked toml for git repo https://github.com/SolidTux/pngflut written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/SolidTux/pngflut already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "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] 348d244f3f16275fe5dd8a5145ace3f5620d29076500e09f570d87bd8c0ac3d3
[INFO] running `"docker" "start" "-a" "348d244f3f16275fe5dd8a5145ace3f5620d29076500e09f570d87bd8c0ac3d3"`
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]     Checking deque v0.3.2
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.5.0
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking deflate v0.7.11
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking rayon v0.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.12
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking pngflut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.75s
[INFO] running `"docker" "inspect" "348d244f3f16275fe5dd8a5145ace3f5620d29076500e09f570d87bd8c0ac3d3"`
[INFO] running `"docker" "rm" "-f" "348d244f3f16275fe5dd8a5145ace3f5620d29076500e09f570d87bd8c0ac3d3"`
[INFO] [stdout] 348d244f3f16275fe5dd8a5145ace3f5620d29076500e09f570d87bd8c0ac3d3