[INFO] cloning repository https://github.com/huwsun/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huwsun/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuwsun%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuwsun%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bbc25886c0f5741ed3a8b71f81521f50bf320f2
[INFO] checking huwsun/mandelbrot against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuwsun%2Fmandelbrot" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/huwsun/mandelbrot on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/huwsun/mandelbrot
[INFO] finished tweaking git repo https://github.com/huwsun/mandelbrot
[INFO] tweaked toml for git repo https://github.com/huwsun/mandelbrot written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/huwsun/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e9dd925c380065990fc95af82e9c05801b9a382f2aa04fdf22e03cd0cb093b61
[INFO] running `Command { std: "docker" "start" "-a" "e9dd925c380065990fc95af82e9c05801b9a382f2aa04fdf22e03cd0cb093b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9dd925c380065990fc95af82e9c05801b9a382f2aa04fdf22e03cd0cb093b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9dd925c380065990fc95af82e9c05801b9a382f2aa04fdf22e03cd0cb093b61", kill_on_drop: false }`
[INFO] [stdout] e9dd925c380065990fc95af82e9c05801b9a382f2aa04fdf22e03cd0cb093b61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bbc703edd6bd7411bc00cc4c78ae2fdf19bbf83a9f87205150ced20740269a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4bbc703edd6bd7411bc00cc4c78ae2fdf19bbf83a9f87205150ced20740269a7", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking rand v0.3.20
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]     Checking num-complex v0.1.41
[INFO] [stderr]     Checking inflate v0.3.3
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking rayon v0.9.0
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking atom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.48s
[INFO] running `Command { std: "docker" "inspect" "4bbc703edd6bd7411bc00cc4c78ae2fdf19bbf83a9f87205150ced20740269a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bbc703edd6bd7411bc00cc4c78ae2fdf19bbf83a9f87205150ced20740269a7", kill_on_drop: false }`
[INFO] [stdout] 4bbc703edd6bd7411bc00cc4c78ae2fdf19bbf83a9f87205150ced20740269a7