Dec 19 08:35:40.071 INFO checking sminez/arthroprod against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 08:35:40.071 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/sminez/arthroprod:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 08:35:40.585 INFO [stdout] 5b6c48b95e329238b1c08daf3f60ffbfa0e75567c94b0c01a2ebb96f2b3ab3c0
Dec 19 08:35:40.587 INFO running `"docker" "start" "-a" "5b6c48b95e329238b1c08daf3f60ffbfa0e75567c94b0c01a2ebb96f2b3ab3c0"`
Dec 19 08:35:42.773 INFO [stderr]     Checking libc v0.2.31
Dec 19 08:35:42.774 INFO [stderr]     Checking arthroprod v0.1.4 (/opt/crater/workdir)
Dec 19 08:35:44.572 INFO [stderr]     Checking rand v0.3.16
Dec 19 08:35:45.959 INFO [stderr]     Checking proptest v0.3.1
Dec 19 08:35:51.419 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.72s
Dec 19 08:35:51.924 INFO running `"docker" "inspect" "5b6c48b95e329238b1c08daf3f60ffbfa0e75567c94b0c01a2ebb96f2b3ab3c0"`
Dec 19 08:35:52.176 INFO running `"docker" "rm" "-f" "5b6c48b95e329238b1c08daf3f60ffbfa0e75567c94b0c01a2ebb96f2b3ab3c0"`
Dec 19 08:35:52.492 INFO [stdout] 5b6c48b95e329238b1c08daf3f60ffbfa0e75567c94b0c01a2ebb96f2b3ab3c0