Dec 19 20:37:38.930 INFO checking alternately/mw_balancer against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:37:38.930 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/alternately/mw_balancer:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:37:39.225 INFO [stdout] 96fae21dafee59b5dd42984b83b3b16c310e0ddcc9bc86f6df55fcd639ecb519
Dec 19 20:37:39.228 INFO running `"docker" "start" "-a" "96fae21dafee59b5dd42984b83b3b16c310e0ddcc9bc86f6df55fcd639ecb519"`
Dec 19 20:37:40.500 INFO [stderr]     Checking mw_balancer v0.1.0 (/opt/crater/workdir)
Dec 19 20:37:40.847 INFO [stderr] warning: method is never used: `eq`
Dec 19 20:37:40.847 INFO [stderr]   --> src/main.rs:27:5
Dec 19 20:37:40.847 INFO [stderr]    |
Dec 19 20:37:40.847 INFO [stderr] 27 |     fn eq(&self, harold: &Hex) -> bool {
Dec 19 20:37:40.847 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:37:40.847 INFO [stderr]    |
Dec 19 20:37:40.847 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 20:37:40.847 INFO [stderr] 
Dec 19 20:37:40.847 INFO [stderr] warning: method is never used: `contains`
Dec 19 20:37:40.847 INFO [stderr]    --> src/main.rs:115:5
Dec 19 20:37:40.847 INFO [stderr]     |
Dec 19 20:37:40.847 INFO [stderr] 115 |     fn contains(&self, harold: &Hex) -> bool {
Dec 19 20:37:40.847 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:37:40.847 INFO [stderr] 
Dec 19 20:37:40.851 INFO [stderr] warning: method is never used: `eq`
Dec 19 20:37:40.851 INFO [stderr]   --> src/main.rs:27:5
Dec 19 20:37:40.851 INFO [stderr]    |
Dec 19 20:37:40.851 INFO [stderr] 27 |     fn eq(&self, harold: &Hex) -> bool {
Dec 19 20:37:40.851 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:37:40.851 INFO [stderr]    |
Dec 19 20:37:40.851 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 20:37:40.851 INFO [stderr] 
Dec 19 20:37:40.851 INFO [stderr] warning: method is never used: `contains`
Dec 19 20:37:40.851 INFO [stderr]    --> src/main.rs:115:5
Dec 19 20:37:40.851 INFO [stderr]     |
Dec 19 20:37:40.851 INFO [stderr] 115 |     fn contains(&self, harold: &Hex) -> bool {
Dec 19 20:37:40.851 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:37:40.851 INFO [stderr] 
Dec 19 20:37:40.880 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Dec 19 20:37:41.223 INFO running `"docker" "inspect" "96fae21dafee59b5dd42984b83b3b16c310e0ddcc9bc86f6df55fcd639ecb519"`
Dec 19 20:37:41.338 INFO running `"docker" "rm" "-f" "96fae21dafee59b5dd42984b83b3b16c310e0ddcc9bc86f6df55fcd639ecb519"`
Dec 19 20:37:41.407 INFO [stdout] 96fae21dafee59b5dd42984b83b3b16c310e0ddcc9bc86f6df55fcd639ecb519