Dec 19 15:02:23.507 INFO checking joeyrosztoczy/noobgrep against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:02:23.507 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/joeyrosztoczy/noobgrep:/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 15:02:23.854 INFO [stdout] 2bb9c1d7c5109bae4f1ccbc9d5b2f3c69c3f212de3152c4ae389d83addb05f18
Dec 19 15:02:23.856 INFO running `"docker" "start" "-a" "2bb9c1d7c5109bae4f1ccbc9d5b2f3c69c3f212de3152c4ae389d83addb05f18"`
Dec 19 15:02:25.192 INFO [stderr] warning: unused manifest key: workspaces
Dec 19 15:02:25.192 INFO [stderr]     Checking search v0.1.0 (/opt/crater/workdir/search)
Dec 19 15:02:25.547 INFO [stderr]     Checking noobgrep v0.1.0 (/opt/crater/workdir)
Dec 19 15:02:25.752 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 19 15:02:26.188 INFO running `"docker" "inspect" "2bb9c1d7c5109bae4f1ccbc9d5b2f3c69c3f212de3152c4ae389d83addb05f18"`
Dec 19 15:02:26.506 INFO running `"docker" "rm" "-f" "2bb9c1d7c5109bae4f1ccbc9d5b2f3c69c3f212de3152c4ae389d83addb05f18"`
Dec 19 15:02:26.638 INFO [stdout] 2bb9c1d7c5109bae4f1ccbc9d5b2f3c69c3f212de3152c4ae389d83addb05f18