[INFO] updating cached repository https://github.com/floriama/mandelbrot
[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] beda31dcd3337ce992fc99317ad28935cc432890
[INFO] checking floriama/mandelbrot against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloriama%2Fmandelbrot" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/floriama/mandelbrot on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/floriama/mandelbrot
[INFO] finished tweaking git repo https://github.com/floriama/mandelbrot
[INFO] tweaked toml for git repo https://github.com/floriama/mandelbrot written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/floriama/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] ffac030e43c9969d04417aac28a7bbc7d0c5298da7e2728146e905e838d2ba78
[INFO] running `"docker" "start" "-a" "ffac030e43c9969d04417aac28a7bbc7d0c5298da7e2728146e905e838d2ba78"`
[INFO] [stderr]    Compiling siphasher v0.2.0
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling serde v0.8.22
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]    Compiling wayland-scanner v0.7.6
[INFO] [stderr]    Compiling glutin v0.7.2
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking x11-dl v2.12.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking tempfile v2.1.4
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling wayland-client v0.7.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.6
[INFO] [stderr]     Checking wayland-window v0.4.3
[INFO] [stderr]     Checking wayland-kbd v0.6.2
[INFO] [stderr]     Checking winit v0.5.7
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `"docker" "inspect" "ffac030e43c9969d04417aac28a7bbc7d0c5298da7e2728146e905e838d2ba78"`
[INFO] running `"docker" "rm" "-f" "ffac030e43c9969d04417aac28a7bbc7d0c5298da7e2728146e905e838d2ba78"`
[INFO] [stdout] ffac030e43c9969d04417aac28a7bbc7d0c5298da7e2728146e905e838d2ba78