Dec 18 09:28:41.328 INFO checking walkdir-2.2.7 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 09:28:41.328 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/walkdir/2.2.7:/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 09:28:41.764 INFO [stdout] 3252aa1206184dc8b2c3066bd58d9a5312ac9ade39fd22ba5940b985b86620c5
Dec 18 09:28:41.766 INFO running `"docker" "start" "-a" "3252aa1206184dc8b2c3066bd58d9a5312ac9ade39fd22ba5940b985b86620c5"`
Dec 18 09:28:43.944 INFO [stderr]     Checking walkdir v2.2.7 (/opt/crater/workdir)
Dec 18 09:28:43.952 INFO [stderr]     Checking quickcheck v0.7.2
Dec 18 09:28:43.952 INFO [stderr]     Checking docopt v1.0.2
Dec 18 09:28:49.308 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.47s
Dec 18 09:28:50.150 INFO running `"docker" "inspect" "3252aa1206184dc8b2c3066bd58d9a5312ac9ade39fd22ba5940b985b86620c5"`
Dec 18 09:28:50.391 INFO running `"docker" "rm" "-f" "3252aa1206184dc8b2c3066bd58d9a5312ac9ade39fd22ba5940b985b86620c5"`
Dec 18 09:28:50.714 INFO [stdout] 3252aa1206184dc8b2c3066bd58d9a5312ac9ade39fd22ba5940b985b86620c5