Dec 17 16:53:06.173 INFO checking robinhad/learning-rust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 16:53:06.173 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/robinhad/learning-rust:/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 16:53:06.616 INFO [stdout] 81b6d4d192bba5076ed795f106009910f11c5572c24dfcf72ec141472de6d41f
Dec 17 16:53:06.622 INFO running `"docker" "start" "-a" "81b6d4d192bba5076ed795f106009910f11c5572c24dfcf72ec141472de6d41f"`
Dec 17 16:53:07.919 INFO [stderr]     Checking learning-rust v0.1.0 (/opt/crater/workdir)
Dec 17 16:53:08.260 INFO [stderr] warning: function is never used: `second_word`
Dec 17 16:53:08.265 INFO [stderr]   --> src/main.rs:20:1
Dec 17 16:53:08.265 INFO [stderr]    |
Dec 17 16:53:08.265 INFO [stderr] 20 | fn second_word(s: &String) -> &str {
Dec 17 16:53:08.265 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:53:08.265 INFO [stderr]    |
Dec 17 16:53:08.265 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 16:53:08.265 INFO [stderr] 
Dec 17 16:53:08.265 INFO [stderr] warning: function is never used: `second_word`
Dec 17 16:53:08.265 INFO [stderr]   --> src/main.rs:20:1
Dec 17 16:53:08.265 INFO [stderr]    |
Dec 17 16:53:08.265 INFO [stderr] 20 | fn second_word(s: &String) -> &str {
Dec 17 16:53:08.265 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:53:08.265 INFO [stderr]    |
Dec 17 16:53:08.265 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 16:53:08.265 INFO [stderr] 
Dec 17 16:53:08.292 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Dec 17 16:53:08.866 INFO running `"docker" "inspect" "81b6d4d192bba5076ed795f106009910f11c5572c24dfcf72ec141472de6d41f"`
Dec 17 16:53:09.146 INFO running `"docker" "rm" "-f" "81b6d4d192bba5076ed795f106009910f11c5572c24dfcf72ec141472de6d41f"`
Dec 17 16:53:09.407 INFO [stdout] 81b6d4d192bba5076ed795f106009910f11c5572c24dfcf72ec141472de6d41f