Dec 18 12:21:52.792 INFO checking retain_mut-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:21:52.793 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/reg/retain_mut/0.1.0:/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 18 12:21:53.040 INFO [stdout] 780ed0271f26842945cd2097cdffca961f0b3d73aa3147bdec88bed45a458250
Dec 18 12:21:53.042 INFO running `"docker" "start" "-a" "780ed0271f26842945cd2097cdffca961f0b3d73aa3147bdec88bed45a458250"`
Dec 18 12:21:54.972 INFO [stderr]     Checking retain_mut v0.1.0 (/opt/crater/workdir)
Dec 18 12:21:55.449 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Dec 18 12:21:56.128 INFO running `"docker" "inspect" "780ed0271f26842945cd2097cdffca961f0b3d73aa3147bdec88bed45a458250"`
Dec 18 12:21:56.440 INFO running `"docker" "rm" "-f" "780ed0271f26842945cd2097cdffca961f0b3d73aa3147bdec88bed45a458250"`
Dec 18 12:21:56.768 INFO [stdout] 780ed0271f26842945cd2097cdffca961f0b3d73aa3147bdec88bed45a458250