Dec 18 03:40:18.833 INFO checking avranju/rust-mandelbrot against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 18 03:40:18.833 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/avranju/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"` Dec 18 03:40:19.197 INFO [stdout] b16812a9688a63a402f923e82ae5a8979520dd1db1d92af4d89e1f1754724803 Dec 18 03:40:19.199 INFO running `"docker" "start" "-a" "b16812a9688a63a402f923e82ae5a8979520dd1db1d92af4d89e1f1754724803"` Dec 18 03:40:20.877 INFO [stderr] Checking crossbeam v0.3.0 Dec 18 03:40:20.878 INFO [stderr] Checking image v0.17.0 Dec 18 03:40:25.527 INFO [stderr] Checking mandelbrot v0.1.0 (/opt/crater/workdir) Dec 18 03:40:26.432 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.67s Dec 18 03:40:27.144 INFO running `"docker" "inspect" "b16812a9688a63a402f923e82ae5a8979520dd1db1d92af4d89e1f1754724803"` Dec 18 03:40:27.356 INFO running `"docker" "rm" "-f" "b16812a9688a63a402f923e82ae5a8979520dd1db1d92af4d89e1f1754724803"` Dec 18 03:40:27.536 INFO [stdout] b16812a9688a63a402f923e82ae5a8979520dd1db1d92af4d89e1f1754724803