Dec 17 14:39:07.313 INFO checking steveklabnik/adventure2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 14:39:07.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/steveklabnik/adventure2:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 14:39:07.827 INFO [stdout] 5ee85d99300715240132069a567cda0dc3e603b0e39a9a1ab5db8ae191645bd9
Dec 17 14:39:07.829 INFO running `"docker" "start" "-a" "5ee85d99300715240132069a567cda0dc3e603b0e39a9a1ab5db8ae191645bd9"`
Dec 17 14:39:09.266 INFO [stderr]    Compiling syn v0.15.12
Dec 17 14:39:18.227 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 17 14:39:33.021 INFO [stderr]     Checking adventure v0.1.0 (/opt/crater/workdir)
Dec 17 14:39:33.748 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.55s
Dec 17 14:39:35.225 INFO running `"docker" "inspect" "5ee85d99300715240132069a567cda0dc3e603b0e39a9a1ab5db8ae191645bd9"`
Dec 17 14:39:35.610 INFO running `"docker" "rm" "-f" "5ee85d99300715240132069a567cda0dc3e603b0e39a9a1ab5db8ae191645bd9"`
Dec 17 14:39:35.884 INFO [stdout] 5ee85d99300715240132069a567cda0dc3e603b0e39a9a1ab5db8ae191645bd9