Dec 18 17:37:59.867 INFO checking checkstyle_formatter-1.0.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 17:37:59.867 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/checkstyle_formatter/1.0.2:/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 17:38:00.383 INFO [stdout] ae8b5c64266329e7a243ca13e46548814c79f7710c6c6e70a3a2a08ec626fe7f
Dec 18 17:38:00.385 INFO running `"docker" "start" "-a" "ae8b5c64266329e7a243ca13e46548814c79f7710c6c6e70a3a2a08ec626fe7f"`
Dec 18 17:38:02.354 INFO [stderr]     Checking error-chain v0.10.0
Dec 18 17:38:02.972 INFO [stderr]     Checking quick-xml v0.9.4
Dec 18 17:38:04.016 INFO [stderr]     Checking checkstyle_formatter v1.0.2 (/opt/crater/workdir)
Dec 18 17:38:04.814 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
Dec 18 17:38:05.440 INFO running `"docker" "inspect" "ae8b5c64266329e7a243ca13e46548814c79f7710c6c6e70a3a2a08ec626fe7f"`
Dec 18 17:38:05.746 INFO running `"docker" "rm" "-f" "ae8b5c64266329e7a243ca13e46548814c79f7710c6c6e70a3a2a08ec626fe7f"`
Dec 18 17:38:06.020 INFO [stdout] ae8b5c64266329e7a243ca13e46548814c79f7710c6c6e70a3a2a08ec626fe7f