Dec 17 17:36:07.666 INFO checking prakhar1989/advent-of-code-2018 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 17:36:07.666 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/prakhar1989/advent-of-code-2018:/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 17:36:07.965 INFO [stdout] 7c3c63ed071c92c89d78f54e222ada108ef43c1c4b08db5a9870e59860fc95c0
Dec 17 17:36:07.970 INFO running `"docker" "start" "-a" "7c3c63ed071c92c89d78f54e222ada108ef43c1c4b08db5a9870e59860fc95c0"`
Dec 17 17:36:08.812 INFO [stderr]     Checking md5 v0.6.0
Dec 17 17:36:08.816 INFO [stderr]     Checking chrono v0.4.6
Dec 17 17:36:08.816 INFO [stderr]     Checking regex v1.1.0
Dec 17 17:36:11.616 INFO [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
Dec 17 17:36:12.592 INFO [stderr] warning: method is never used: `rows`
Dec 17 17:36:12.592 INFO [stderr]   --> src/matrix.rs:36:5
Dec 17 17:36:12.592 INFO [stderr]    |
Dec 17 17:36:12.592 INFO [stderr] 36 |     pub fn rows(&self) -> impl Iterator<Item = Vec<&T>> {
Dec 17 17:36:12.592 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:36:12.592 INFO [stderr]    |
Dec 17 17:36:12.592 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 17:36:12.592 INFO [stderr] 
Dec 17 17:36:14.234 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
Dec 17 17:36:14.605 INFO running `"docker" "inspect" "7c3c63ed071c92c89d78f54e222ada108ef43c1c4b08db5a9870e59860fc95c0"`
Dec 17 17:36:14.713 INFO running `"docker" "rm" "-f" "7c3c63ed071c92c89d78f54e222ada108ef43c1c4b08db5a9870e59860fc95c0"`
Dec 17 17:36:14.798 INFO [stdout] 7c3c63ed071c92c89d78f54e222ada108ef43c1c4b08db5a9870e59860fc95c0