Dec 18 17:25:48.637 INFO checking compactmap-0.3.7 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 17:25:48.637 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/compactmap/0.3.7:/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 17:25:49.083 INFO [stdout] ca4ca220291b0f25555fcd571cc12a9b328463c58a7c5651c42c7977f7cbb693
Dec 18 17:25:49.084 INFO running `"docker" "start" "-a" "ca4ca220291b0f25555fcd571cc12a9b328463c58a7c5651c42c7977f7cbb693"`
Dec 18 17:25:50.250 INFO [stderr]     Checking compactmap v0.3.7 (/opt/crater/workdir)
Dec 18 17:25:50.280 INFO [stderr]     Checking quickcheck v0.5.0
Dec 18 17:25:53.168 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
Dec 18 17:25:54.002 INFO running `"docker" "inspect" "ca4ca220291b0f25555fcd571cc12a9b328463c58a7c5651c42c7977f7cbb693"`
Dec 18 17:25:54.351 INFO running `"docker" "rm" "-f" "ca4ca220291b0f25555fcd571cc12a9b328463c58a7c5651c42c7977f7cbb693"`
Dec 18 17:25:54.616 INFO [stdout] ca4ca220291b0f25555fcd571cc12a9b328463c58a7c5651c42c7977f7cbb693