Dec 18 05:44:49.013 INFO checking Ramzec/union-find against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 05:44:49.013 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/Ramzec/union-find:/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 05:44:49.508 INFO [stdout] af9b8dbfcd5dc1f9bd14e73a526c3446b1390ae3007849dad4864c1c6d0a6b7a
Dec 18 05:44:49.510 INFO running `"docker" "start" "-a" "af9b8dbfcd5dc1f9bd14e73a526c3446b1390ae3007849dad4864c1c6d0a6b7a"`
Dec 18 05:44:51.088 INFO [stderr]     Checking union-find v0.1.0 (/opt/crater/workdir)
Dec 18 05:44:51.708 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 18 05:44:52.304 INFO running `"docker" "inspect" "af9b8dbfcd5dc1f9bd14e73a526c3446b1390ae3007849dad4864c1c6d0a6b7a"`
Dec 18 05:44:52.549 INFO running `"docker" "rm" "-f" "af9b8dbfcd5dc1f9bd14e73a526c3446b1390ae3007849dad4864c1c6d0a6b7a"`
Dec 18 05:44:52.743 INFO [stdout] af9b8dbfcd5dc1f9bd14e73a526c3446b1390ae3007849dad4864c1c6d0a6b7a