Dec 19 11:02:18.112 INFO checking phillyai/tic-tac-toe-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 11:02:18.113 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/phillyai/tic-tac-toe-rs:/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 11:02:18.440 INFO [stdout] db3de91a8c797cc06d66af2f90e53cddaba34a5f8d275e9c8a9303c490d476f0
Dec 19 11:02:18.448 INFO running `"docker" "start" "-a" "db3de91a8c797cc06d66af2f90e53cddaba34a5f8d275e9c8a9303c490d476f0"`
Dec 19 11:02:19.515 INFO [stderr]     Checking tic-tac-toe-rs v0.1.0 (/opt/crater/workdir)
Dec 19 11:02:19.740 INFO [stderr] warning: unnecessary parentheses around `match` head expression
Dec 19 11:02:19.740 INFO [stderr]   --> src/main.rs:32:38
Dec 19 11:02:19.740 INFO [stderr]    |
Dec 19 11:02:19.740 INFO [stderr] 32 |                     Some(w) => match (w) {
Dec 19 11:02:19.740 INFO [stderr]    |                                      ^^^ help: remove these parentheses
Dec 19 11:02:19.740 INFO [stderr]    |
Dec 19 11:02:19.740 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 11:02:19.740 INFO [stderr] 
Dec 19 11:02:19.748 INFO [stderr] warning: unnecessary parentheses around `match` head expression
Dec 19 11:02:19.748 INFO [stderr]   --> src/main.rs:32:38
Dec 19 11:02:19.748 INFO [stderr]    |
Dec 19 11:02:19.752 INFO [stderr] 32 |                     Some(w) => match (w) {
Dec 19 11:02:19.752 INFO [stderr]    |                                      ^^^ help: remove these parentheses
Dec 19 11:02:19.752 INFO [stderr]    |
Dec 19 11:02:19.752 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 11:02:19.752 INFO [stderr] 
Dec 19 11:02:19.812 INFO [stderr] warning: enum is never used: `Direction`
Dec 19 11:02:19.812 INFO [stderr]    --> src/main.rs:137:1
Dec 19 11:02:19.813 INFO [stderr]     |
Dec 19 11:02:19.813 INFO [stderr] 137 | enum Direction {
Dec 19 11:02:19.813 INFO [stderr]     | ^^^^^^^^^^^^^^
Dec 19 11:02:19.815 INFO [stderr]     |
Dec 19 11:02:19.815 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 11:02:19.815 INFO [stderr] 
Dec 19 11:02:19.858 INFO [stderr] warning: enum is never used: `Direction`
Dec 19 11:02:19.858 INFO [stderr]    --> src/main.rs:137:1
Dec 19 11:02:19.858 INFO [stderr]     |
Dec 19 11:02:19.858 INFO [stderr] 137 | enum Direction {
Dec 19 11:02:19.858 INFO [stderr]     | ^^^^^^^^^^^^^^
Dec 19 11:02:19.858 INFO [stderr]     |
Dec 19 11:02:19.858 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 11:02:19.858 INFO [stderr] 
Dec 19 11:02:19.894 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Dec 19 11:02:20.406 INFO running `"docker" "inspect" "db3de91a8c797cc06d66af2f90e53cddaba34a5f8d275e9c8a9303c490d476f0"`
Dec 19 11:02:20.585 INFO running `"docker" "rm" "-f" "db3de91a8c797cc06d66af2f90e53cddaba34a5f8d275e9c8a9303c490d476f0"`
Dec 19 11:02:20.760 INFO [stdout] db3de91a8c797cc06d66af2f90e53cddaba34a5f8d275e9c8a9303c490d476f0