Dec 19 12:23:54.852 INFO checking mparker17/lc against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:23:54.852 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/mparker17/lc:/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 12:23:55.264 INFO [stdout] f571f3daca77e5d1e3017e32dc7f4f160e3068315cbe60c4edc45242ae8a9d26
Dec 19 12:23:55.266 INFO running `"docker" "start" "-a" "f571f3daca77e5d1e3017e32dc7f4f160e3068315cbe60c4edc45242ae8a9d26"`
Dec 19 12:23:56.967 INFO [stderr]     Checking atty v0.2.11
Dec 19 12:23:57.368 INFO [stderr]     Checking clap v2.32.0
Dec 19 12:24:01.840 INFO [stderr]     Checking lc v0.2.0 (/opt/crater/workdir)
Dec 19 12:24:02.552 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.63s
Dec 19 12:24:03.615 INFO running `"docker" "inspect" "f571f3daca77e5d1e3017e32dc7f4f160e3068315cbe60c4edc45242ae8a9d26"`
Dec 19 12:24:04.020 INFO running `"docker" "rm" "-f" "f571f3daca77e5d1e3017e32dc7f4f160e3068315cbe60c4edc45242ae8a9d26"`
Dec 19 12:24:04.320 INFO [stdout] f571f3daca77e5d1e3017e32dc7f4f160e3068315cbe60c4edc45242ae8a9d26