Dec 17 19:25:50.741 INFO checking mogenson/rcom against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:25:50.741 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/mogenson/rcom:/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 17 19:25:51.246 INFO [stdout] 6e8916454f68abcd8628541c0719926cb8bc2da176a8c5cbacb1dc27629f356a
Dec 17 19:25:51.250 INFO running `"docker" "start" "-a" "6e8916454f68abcd8628541c0719926cb8bc2da176a8c5cbacb1dc27629f356a"`
Dec 17 19:25:53.098 INFO [stderr]    Compiling libudev-sys v0.1.4
Dec 17 19:25:54.655 INFO [stderr]     Checking libudev v0.2.0
Dec 17 19:25:55.073 INFO [stderr]     Checking serialport v3.1.0
Dec 17 19:25:55.804 INFO [stderr]     Checking rcom v0.1.0 (/opt/crater/workdir)
Dec 17 19:25:56.265 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
Dec 17 19:25:57.052 INFO running `"docker" "inspect" "6e8916454f68abcd8628541c0719926cb8bc2da176a8c5cbacb1dc27629f356a"`
Dec 17 19:25:57.365 INFO running `"docker" "rm" "-f" "6e8916454f68abcd8628541c0719926cb8bc2da176a8c5cbacb1dc27629f356a"`
Dec 17 19:25:57.615 INFO [stdout] 6e8916454f68abcd8628541c0719926cb8bc2da176a8c5cbacb1dc27629f356a