Dec 18 10:44:53.945 INFO checking stm32f446-hal-0.0.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 10:44:53.945 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/stm32f446-hal/0.0.1:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 10:44:54.152 INFO [stdout] eb0aedbe5ed11971bd8efdef233c5c740ebf1674cc24bccfec5722754c181560
Dec 18 10:44:54.164 INFO running `"docker" "start" "-a" "eb0aedbe5ed11971bd8efdef233c5c740ebf1674cc24bccfec5722754c181560"`
Dec 18 10:44:55.660 INFO [stderr]    Compiling stm32f4 v0.2.3
Dec 18 10:44:55.660 INFO [stderr]     Checking cast v0.2.2
Dec 18 10:44:55.660 INFO [stderr]     Checking embedded-hal v0.2.2
Dec 18 10:45:32.105 INFO [stderr]     Checking stm32f446-hal v0.0.1 (/opt/crater/workdir)
Dec 18 10:45:47.468 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.88s
Dec 18 10:45:47.904 INFO running `"docker" "inspect" "eb0aedbe5ed11971bd8efdef233c5c740ebf1674cc24bccfec5722754c181560"`
Dec 18 10:45:48.024 INFO running `"docker" "rm" "-f" "eb0aedbe5ed11971bd8efdef233c5c740ebf1674cc24bccfec5722754c181560"`
Dec 18 10:45:48.135 INFO [stdout] eb0aedbe5ed11971bd8efdef233c5c740ebf1674cc24bccfec5722754c181560