Dec 19 17:02:03.391 INFO checking fifth-postulate/packing-puzzle against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:02:03.391 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/fifth-postulate/packing-puzzle:/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 17:02:03.710 INFO [stdout] 3590c9c0aef5b4b8738079ea828e3218c2f974d5d200b677fc672a61e5b3fc36
Dec 19 17:02:03.712 INFO running `"docker" "start" "-a" "3590c9c0aef5b4b8738079ea828e3218c2f974d5d200b677fc672a61e5b3fc36"`
Dec 19 17:02:05.316 INFO [stderr]     Checking dlx v0.1.0
Dec 19 17:02:05.727 INFO [stderr]     Checking pack v0.4.0 (/opt/crater/workdir)
Dec 19 17:02:07.725 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
Dec 19 17:02:08.728 INFO running `"docker" "inspect" "3590c9c0aef5b4b8738079ea828e3218c2f974d5d200b677fc672a61e5b3fc36"`
Dec 19 17:02:09.084 INFO running `"docker" "rm" "-f" "3590c9c0aef5b4b8738079ea828e3218c2f974d5d200b677fc672a61e5b3fc36"`
Dec 19 17:02:09.324 INFO [stdout] 3590c9c0aef5b4b8738079ea828e3218c2f974d5d200b677fc672a61e5b3fc36