Dec 18 14:10:44.974 INFO checking maildir-pack-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:10:44.975 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/maildir-pack/0.1.0:/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 14:10:45.114 INFO [stdout] 98c7715bcdbe69319e5a1acf58348d8563a5f1475869ec047fa11103e82bec98
Dec 18 14:10:45.117 INFO running `"docker" "start" "-a" "98c7715bcdbe69319e5a1acf58348d8563a5f1475869ec047fa11103e82bec98"`
Dec 18 14:10:45.761 INFO [stderr]     Checking leak v0.1.2
Dec 18 14:10:45.765 INFO [stderr]     Checking tar v0.4.20
Dec 18 14:10:46.917 INFO [stderr]     Checking maildir-pack v0.1.0 (/opt/crater/workdir)
Dec 18 14:10:48.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
Dec 18 14:10:49.140 INFO running `"docker" "inspect" "98c7715bcdbe69319e5a1acf58348d8563a5f1475869ec047fa11103e82bec98"`
Dec 18 14:10:49.432 INFO running `"docker" "rm" "-f" "98c7715bcdbe69319e5a1acf58348d8563a5f1475869ec047fa11103e82bec98"`
Dec 18 14:10:49.739 INFO [stdout] 98c7715bcdbe69319e5a1acf58348d8563a5f1475869ec047fa11103e82bec98