Dec 19 20:21:02.509 INFO checking arlept/mtklogo against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:21:02.509 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/arlept/mtklogo:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:21:03.020 INFO [stdout] c8690eb93680a35ade538c80380f0e5104740adedce1cbb94252d0592e5f879a
Dec 19 20:21:03.024 INFO running `"docker" "start" "-a" "c8690eb93680a35ade538c80380f0e5104740adedce1cbb94252d0592e5f879a"`
Dec 19 20:21:04.536 INFO [stderr] warning: unused manifest key: package.maintenance
Dec 19 20:21:04.536 INFO [stderr] warning: unused manifest key: package.respository
Dec 19 20:21:04.644 INFO [stderr]     Checking num-iter v0.1.37
Dec 19 20:21:05.124 INFO [stderr]     Checking png v0.12.0
Dec 19 20:21:06.244 INFO [stderr]     Checking mtklogo v0.1.1 (/opt/crater/workdir)
Dec 19 20:21:08.092 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
Dec 19 20:21:08.895 INFO running `"docker" "inspect" "c8690eb93680a35ade538c80380f0e5104740adedce1cbb94252d0592e5f879a"`
Dec 19 20:21:09.226 INFO running `"docker" "rm" "-f" "c8690eb93680a35ade538c80380f0e5104740adedce1cbb94252d0592e5f879a"`
Dec 19 20:21:09.581 INFO [stdout] c8690eb93680a35ade538c80380f0e5104740adedce1cbb94252d0592e5f879a