Dec 18 13:04:06.446 INFO checking petri-0.0.4 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 13:04:06.446 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/petri/0.0.4:/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 13:04:06.954 INFO [stdout] a7282eba2c8367161a848d18436f75cbac0fd85438b704e2f01113fcca7ccfff
Dec 18 13:04:06.956 INFO running `"docker" "start" "-a" "a7282eba2c8367161a848d18436f75cbac0fd85438b704e2f01113fcca7ccfff"`
Dec 18 13:04:08.932 INFO [stderr]    Compiling ndarray v0.10.14
Dec 18 13:04:08.933 INFO [stderr]     Checking itertools v0.7.11
Dec 18 13:04:18.068 INFO [stderr]     Checking petri v0.0.4 (/opt/crater/workdir)
Dec 18 13:04:20.608 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.79s
Dec 18 13:04:21.424 INFO running `"docker" "inspect" "a7282eba2c8367161a848d18436f75cbac0fd85438b704e2f01113fcca7ccfff"`
Dec 18 13:04:21.834 INFO running `"docker" "rm" "-f" "a7282eba2c8367161a848d18436f75cbac0fd85438b704e2f01113fcca7ccfff"`
Dec 18 13:04:22.173 INFO [stdout] a7282eba2c8367161a848d18436f75cbac0fd85438b704e2f01113fcca7ccfff