[INFO] updating cached repository markfknight/programming_rust_mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/markfknight/programming_rust_mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/markfknight/programming_rust_mandelbrot" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/markfknight/programming_rust_mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/markfknight/programming_rust_mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/markfknight/programming_rust_mandelbrot" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/markfknight/programming_rust_mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/markfknight/programming_rust_mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 054813c300c2f2105edd052ebf86fd4dac810d15
[INFO] sha for GitHub repo markfknight/programming_rust_mandelbrot: 054813c300c2f2105edd052ebf86fd4dac810d15
[INFO] validating manifest of markfknight/programming_rust_mandelbrot on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of markfknight/programming_rust_mandelbrot on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing markfknight/programming_rust_mandelbrot
[INFO] finished frobbing markfknight/programming_rust_mandelbrot
[INFO] frobbed toml for markfknight/programming_rust_mandelbrot written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/markfknight/programming_rust_mandelbrot/Cargo.toml
[INFO] started frobbing markfknight/programming_rust_mandelbrot
[INFO] finished frobbing markfknight/programming_rust_mandelbrot
[INFO] frobbed toml for markfknight/programming_rust_mandelbrot written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/markfknight/programming_rust_mandelbrot/Cargo.toml
[INFO] crate markfknight/programming_rust_mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking markfknight/programming_rust_mandelbrot against master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-0/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/markfknight/programming_rust_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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2388b6c10551a09b258a3eac9650508b2dc34e51adbcba450a3a5f52a2003f5c
[INFO] running `"docker" "start" "-a" "2388b6c10551a09b258a3eac9650508b2dc34e51adbcba450a3a5f52a2003f5c"`
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.33s
[INFO] running `"docker" "inspect" "2388b6c10551a09b258a3eac9650508b2dc34e51adbcba450a3a5f52a2003f5c"`
[INFO] running `"docker" "rm" "-f" "2388b6c10551a09b258a3eac9650508b2dc34e51adbcba450a3a5f52a2003f5c"`
[INFO] [stdout] 2388b6c10551a09b258a3eac9650508b2dc34e51adbcba450a3a5f52a2003f5c