[INFO] updating cached repository https://github.com/agherzan/mandelbrot-viewer
[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] 866b0c9eb317bc78acb7a912fbdf911526aef986
[INFO] checking agherzan/mandelbrot-viewer against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagherzan%2Fmandelbrot-viewer" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agherzan/mandelbrot-viewer 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/agherzan/mandelbrot-viewer
[INFO] finished tweaking git repo https://github.com/agherzan/mandelbrot-viewer
[INFO] tweaked toml for git repo https://github.com/agherzan/mandelbrot-viewer written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/agherzan/mandelbrot-viewer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 11ed38d02fd794ebe46e3aa4ad590af3c7027953a49e04a5eabbda8f853e885b
[INFO] running `"docker" "start" "-a" "11ed38d02fd794ebe46e3aa4ad590af3c7027953a49e04a5eabbda8f853e885b"`
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking mandelbrot-viewer v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.74s
[INFO] running `"docker" "inspect" "11ed38d02fd794ebe46e3aa4ad590af3c7027953a49e04a5eabbda8f853e885b"`
[INFO] running `"docker" "rm" "-f" "11ed38d02fd794ebe46e3aa4ad590af3c7027953a49e04a5eabbda8f853e885b"`
[INFO] [stdout] 11ed38d02fd794ebe46e3aa4ad590af3c7027953a49e04a5eabbda8f853e885b