Dec 18 05:12:16.500 INFO checking TheRiven/mazegenerator against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 05:12:16.500 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/TheRiven/mazegenerator:/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 05:12:17.004 INFO [stdout] 8ef083ed83c47bd77886abff661f4cc2628f524036f86917aa280990b48f74f8
Dec 18 05:12:17.012 INFO running `"docker" "start" "-a" "8ef083ed83c47bd77886abff661f4cc2628f524036f86917aa280990b48f74f8"`
Dec 18 05:12:18.881 INFO [stderr]     Checking png v0.11.0
Dec 18 05:12:18.881 INFO [stderr]     Checking jpeg-decoder v0.1.14
Dec 18 05:12:21.208 INFO [stderr]     Checking image v0.18.0
Dec 18 05:12:25.466 INFO [stderr]     Checking mazegenerator v0.8.0 (/opt/crater/workdir)
Dec 18 05:12:27.272 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.53s
Dec 18 05:12:27.581 INFO running `"docker" "inspect" "8ef083ed83c47bd77886abff661f4cc2628f524036f86917aa280990b48f74f8"`
Dec 18 05:12:27.719 INFO running `"docker" "rm" "-f" "8ef083ed83c47bd77886abff661f4cc2628f524036f86917aa280990b48f74f8"`
Dec 18 05:12:28.052 INFO [stdout] 8ef083ed83c47bd77886abff661f4cc2628f524036f86917aa280990b48f74f8