[INFO] cloning repository https://github.com/Helvethor/pixelate
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Helvethor/pixelate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHelvethor%2Fpixelate"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHelvethor%2Fpixelate'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a388eec483dfb9ac70f16ac2eb62227fa940cffe
[INFO] checking Helvethor/pixelate against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHelvethor%2Fpixelate" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Helvethor/pixelate on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Helvethor/pixelate
[INFO] finished tweaking git repo https://github.com/Helvethor/pixelate
[INFO] tweaked toml for git repo https://github.com/Helvethor/pixelate written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Helvethor/pixelate already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 8f7a5e441919e4ff837ec234d2346c2b689a7f6d9afc49d522cc1b4cadd33fe4
[INFO] running `"docker" "start" "-a" "8f7a5e441919e4ff837ec234d2346c2b689a7f6d9afc49d522cc1b4cadd33fe4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking rayon-core v1.3.0
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-rational v0.1.41
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking pixelate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.31s
[INFO] running `"docker" "inspect" "8f7a5e441919e4ff837ec234d2346c2b689a7f6d9afc49d522cc1b4cadd33fe4"`
[INFO] running `"docker" "rm" "-f" "8f7a5e441919e4ff837ec234d2346c2b689a7f6d9afc49d522cc1b4cadd33fe4"`
[INFO] [stdout] 8f7a5e441919e4ff837ec234d2346c2b689a7f6d9afc49d522cc1b4cadd33fe4