[INFO] updating cached repository lmwnshn/tutorial-mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lmwnshn/tutorial-mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lmwnshn/tutorial-mandelbrot" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/lmwnshn/tutorial-mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/lmwnshn/tutorial-mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lmwnshn/tutorial-mandelbrot" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/lmwnshn/tutorial-mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/lmwnshn/tutorial-mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] facc58e7559e8ce891776d8ef44347ee298e35fb
[INFO] sha for GitHub repo lmwnshn/tutorial-mandelbrot: facc58e7559e8ce891776d8ef44347ee298e35fb
[INFO] validating manifest of lmwnshn/tutorial-mandelbrot on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lmwnshn/tutorial-mandelbrot on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lmwnshn/tutorial-mandelbrot
[INFO] finished frobbing lmwnshn/tutorial-mandelbrot
[INFO] frobbed toml for lmwnshn/tutorial-mandelbrot written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/lmwnshn/tutorial-mandelbrot/Cargo.toml
[INFO] started frobbing lmwnshn/tutorial-mandelbrot
[INFO] finished frobbing lmwnshn/tutorial-mandelbrot
[INFO] frobbed toml for lmwnshn/tutorial-mandelbrot written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/lmwnshn/tutorial-mandelbrot/Cargo.toml
[INFO] crate lmwnshn/tutorial-mandelbrot has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lmwnshn/tutorial-mandelbrot against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-3/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/lmwnshn/tutorial-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" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4c4bb142d3df0a26cfaefd53f370ce36ecadecdf09a00e82b7430a4f3d3149a2
[INFO] running `"docker" "start" "-a" "4c4bb142d3df0a26cfaefd53f370ce36ecadecdf09a00e82b7430a4f3d3149a2"`
[INFO] [stderr]     Checking num-complex v0.1.41
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking tutorial-mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.53s
[INFO] running `"docker" "inspect" "4c4bb142d3df0a26cfaefd53f370ce36ecadecdf09a00e82b7430a4f3d3149a2"`
[INFO] running `"docker" "rm" "-f" "4c4bb142d3df0a26cfaefd53f370ce36ecadecdf09a00e82b7430a4f3d3149a2"`
[INFO] [stdout] 4c4bb142d3df0a26cfaefd53f370ce36ecadecdf09a00e82b7430a4f3d3149a2