Dec 17 12:52:59.710 INFO checking uchuhimo/rust_playground against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 12:52:59.710 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/uchuhimo/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 17 12:53:00.075 INFO [stdout] 6690353f46a3e927265274054f7f1b054562c46d62a8459455feba00bcbbb61d
Dec 17 12:53:00.078 INFO running `"docker" "start" "-a" "6690353f46a3e927265274054f7f1b054562c46d62a8459455feba00bcbbb61d"`
Dec 17 12:53:02.566 INFO [stderr]     Checking rust_playground v0.1.0 (/opt/crater/workdir)
Dec 17 12:53:03.349 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Dec 17 12:53:04.467 INFO running `"docker" "inspect" "6690353f46a3e927265274054f7f1b054562c46d62a8459455feba00bcbbb61d"`
Dec 17 12:53:04.848 INFO running `"docker" "rm" "-f" "6690353f46a3e927265274054f7f1b054562c46d62a8459455feba00bcbbb61d"`
Dec 17 12:53:05.156 INFO [stdout] 6690353f46a3e927265274054f7f1b054562c46d62a8459455feba00bcbbb61d