[INFO] updating cached repository CodeGradox/mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CodeGradox/mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CodeGradox/mandelbrot" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/CodeGradox/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/CodeGradox/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CodeGradox/mandelbrot" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/CodeGradox/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/CodeGradox/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 56b076aee82ab53cf8838e1afc9ccf5208e34d22
[INFO] sha for GitHub repo CodeGradox/mandelbrot: 56b076aee82ab53cf8838e1afc9ccf5208e34d22
[INFO] validating manifest of CodeGradox/mandelbrot on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CodeGradox/mandelbrot on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CodeGradox/mandelbrot
[INFO] finished frobbing CodeGradox/mandelbrot
[INFO] frobbed toml for CodeGradox/mandelbrot written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/CodeGradox/mandelbrot/Cargo.toml
[INFO] started frobbing CodeGradox/mandelbrot
[INFO] finished frobbing CodeGradox/mandelbrot
[INFO] frobbed toml for CodeGradox/mandelbrot written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/CodeGradox/mandelbrot/Cargo.toml
[INFO] crate CodeGradox/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking CodeGradox/mandelbrot against master#1891bfa80364eead426517c68de6947b7692e2de for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-1/master#1891bfa80364eead426517c68de6947b7692e2de:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/CodeGradox/mandelbrot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c10ab0ce4e0d72c80fa8a8e25053a720a6b805005aef646043548b1e181f7cc2
[INFO] running `"docker" "start" "-a" "c10ab0ce4e0d72c80fa8a8e25053a720a6b805005aef646043548b1e181f7cc2"`
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.66s
[INFO] running `"docker" "inspect" "c10ab0ce4e0d72c80fa8a8e25053a720a6b805005aef646043548b1e181f7cc2"`
[INFO] running `"docker" "rm" "-f" "c10ab0ce4e0d72c80fa8a8e25053a720a6b805005aef646043548b1e181f7cc2"`
[INFO] [stdout] c10ab0ce4e0d72c80fa8a8e25053a720a6b805005aef646043548b1e181f7cc2