Dec 19 19:04:06.671 INFO checking chrisfair/mazes_and_monsters against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:04:06.671 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/chrisfair/mazes_and_monsters:/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 19:04:07.055 INFO [stdout] 008bbf4f2cbf722237be179da9e043c2d15b63ac610f728ca2d60c9d436bcf9e
Dec 19 19:04:07.060 INFO running `"docker" "start" "-a" "008bbf4f2cbf722237be179da9e043c2d15b63ac610f728ca2d60c9d436bcf9e"`
Dec 19 19:04:08.776 INFO [stderr]     Checking rouler v0.1.3
Dec 19 19:04:09.316 INFO [stderr]     Checking mazes_and_monsters v0.1.0 (/opt/crater/workdir)
Dec 19 19:04:09.764 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Dec 19 19:04:10.684 INFO running `"docker" "inspect" "008bbf4f2cbf722237be179da9e043c2d15b63ac610f728ca2d60c9d436bcf9e"`
Dec 19 19:04:10.948 INFO running `"docker" "rm" "-f" "008bbf4f2cbf722237be179da9e043c2d15b63ac610f728ca2d60c9d436bcf9e"`
Dec 19 19:04:11.237 INFO [stdout] 008bbf4f2cbf722237be179da9e043c2d15b63ac610f728ca2d60c9d436bcf9e