Dec 18 15:00:48.942 INFO checking image_colors-0.5.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 15:00:48.942 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/image_colors/0.5.1:/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 15:00:49.408 INFO [stdout] e2b2a468b2133be4a73a3eacf7f507f8ca6b2338fa9a673c9f035a275ccac07e
Dec 18 15:00:49.414 INFO running `"docker" "start" "-a" "e2b2a468b2133be4a73a3eacf7f507f8ca6b2338fa9a673c9f035a275ccac07e"`
Dec 18 15:00:51.946 INFO [stderr]     Checking png v0.9.0
Dec 18 15:00:53.336 INFO [stderr]     Checking image v0.15.0
Dec 18 15:00:57.700 INFO [stderr]     Checking image_colors v0.5.1 (/opt/crater/workdir)
Dec 18 15:01:01.081 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.35s
Dec 18 15:01:01.574 INFO running `"docker" "inspect" "e2b2a468b2133be4a73a3eacf7f507f8ca6b2338fa9a673c9f035a275ccac07e"`
Dec 18 15:01:01.868 INFO running `"docker" "rm" "-f" "e2b2a468b2133be4a73a3eacf7f507f8ca6b2338fa9a673c9f035a275ccac07e"`
Dec 18 15:01:02.332 INFO [stdout] e2b2a468b2133be4a73a3eacf7f507f8ca6b2338fa9a673c9f035a275ccac07e