Dec 18 16:30:58.644 INFO checking finality-grandpa-0.5.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:30:58.645 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/reg/finality-grandpa/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:30:59.118 INFO [stdout] 6d31556ac364b762da2fb36d2c65a9a14a5dc0dbf37bb42208283e78471ecff4
Dec 18 16:30:59.122 INFO running `"docker" "start" "-a" "6d31556ac364b762da2fb36d2c65a9a14a5dc0dbf37bb42208283e78471ecff4"`
Dec 18 16:31:00.717 INFO [stderr]     Checking exit-future v0.1.2
Dec 18 16:31:00.765 INFO [stderr]     Checking finality-grandpa v0.5.1 (/opt/crater/workdir)
Dec 18 16:31:05.532 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.99s
Dec 18 16:31:06.786 INFO running `"docker" "inspect" "6d31556ac364b762da2fb36d2c65a9a14a5dc0dbf37bb42208283e78471ecff4"`
Dec 18 16:31:07.219 INFO running `"docker" "rm" "-f" "6d31556ac364b762da2fb36d2c65a9a14a5dc0dbf37bb42208283e78471ecff4"`
Dec 18 16:31:07.600 INFO [stdout] 6d31556ac364b762da2fb36d2c65a9a14a5dc0dbf37bb42208283e78471ecff4