Dec 18 12:47:09.573 INFO checking protoc-2.2.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:47:09.573 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/protoc/2.2.0:/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 12:47:10.024 INFO [stdout] 4e7ccb13bfcf1fc7705f4139e48f17de210ec994d92ac5d73bf9ce0d1f8214a6
Dec 18 12:47:10.030 INFO running `"docker" "start" "-a" "4e7ccb13bfcf1fc7705f4139e48f17de210ec994d92ac5d73bf9ce0d1f8214a6"`
Dec 18 12:47:12.033 INFO [stderr]     Checking protoc v2.2.0 (/opt/crater/workdir)
Dec 18 12:47:12.924 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Dec 18 12:47:14.030 INFO running `"docker" "inspect" "4e7ccb13bfcf1fc7705f4139e48f17de210ec994d92ac5d73bf9ce0d1f8214a6"`
Dec 18 12:47:14.387 INFO running `"docker" "rm" "-f" "4e7ccb13bfcf1fc7705f4139e48f17de210ec994d92ac5d73bf9ce0d1f8214a6"`
Dec 18 12:47:14.612 INFO [stdout] 4e7ccb13bfcf1fc7705f4139e48f17de210ec994d92ac5d73bf9ce0d1f8214a6