Dec 18 06:55:47.923 INFO checking KimByungChan/rust-playground against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 06:55:47.923 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/KimByungChan/rust-playground:/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 06:55:48.460 INFO [stdout] 751188b28b43b2e632d9538b45ec3e72d33b6f8da8987c5c68bfda1cbb136704
Dec 18 06:55:48.463 INFO running `"docker" "start" "-a" "751188b28b43b2e632d9538b45ec3e72d33b6f8da8987c5c68bfda1cbb136704"`
Dec 18 06:55:50.348 INFO [stderr]     Checking rust-playground v0.1.0 (/opt/crater/workdir)
Dec 18 06:55:50.821 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Dec 18 06:55:51.932 INFO running `"docker" "inspect" "751188b28b43b2e632d9538b45ec3e72d33b6f8da8987c5c68bfda1cbb136704"`
Dec 18 06:55:52.228 INFO running `"docker" "rm" "-f" "751188b28b43b2e632d9538b45ec3e72d33b6f8da8987c5c68bfda1cbb136704"`
Dec 18 06:55:52.476 INFO [stdout] 751188b28b43b2e632d9538b45ec3e72d33b6f8da8987c5c68bfda1cbb136704