Dec 18 16:33:15.343 INFO checking fern-0.5.7 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:33:15.343 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/fern/0.5.7:/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 16:33:15.577 INFO [stdout] 27ef175acc42e597c53b9758709aa89569541b07b5a1606a2aa3b519d097914d
Dec 18 16:33:15.582 INFO running `"docker" "start" "-a" "27ef175acc42e597c53b9758709aa89569541b07b5a1606a2aa3b519d097914d"`
Dec 18 16:33:16.212 INFO [stderr]     Checking fern v0.5.7 (/opt/crater/workdir)
Dec 18 16:33:19.060 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
Dec 18 16:33:19.453 INFO running `"docker" "inspect" "27ef175acc42e597c53b9758709aa89569541b07b5a1606a2aa3b519d097914d"`
Dec 18 16:33:19.608 INFO running `"docker" "rm" "-f" "27ef175acc42e597c53b9758709aa89569541b07b5a1606a2aa3b519d097914d"`
Dec 18 16:33:19.884 INFO [stdout] 27ef175acc42e597c53b9758709aa89569541b07b5a1606a2aa3b519d097914d