Dec 19 21:40:57.309 INFO checking TheEighthByte/Snake-Game against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:40:57.309 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/TheEighthByte/Snake-Game:/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 21:40:57.760 INFO [stdout] 7b1edf718dcee5376cff4e76f0cc297c0f93780f705a4af36f9a6dfd2ee716d7
Dec 19 21:40:57.789 INFO running `"docker" "start" "-a" "7b1edf718dcee5376cff4e76f0cc297c0f93780f705a4af36f9a6dfd2ee716d7"`
Dec 19 21:40:59.463 INFO [stderr]     Checking rusttype v0.4.3
Dec 19 21:40:59.463 INFO [stderr]     Checking pistoncore-input v0.21.0
Dec 19 21:41:00.732 INFO [stderr]     Checking piston2d-graphics v0.26.0
Dec 19 21:41:02.556 INFO [stderr]     Checking piston2d-gfx_graphics v0.51.0
Dec 19 21:41:04.347 INFO [stderr]     Checking pistoncore-window v0.32.0
Dec 19 21:41:05.704 INFO [stderr]     Checking pistoncore-event_loop v0.37.0
Dec 19 21:41:05.704 INFO [stderr]     Checking pistoncore-glutin_window v0.47.0
Dec 19 21:41:07.537 INFO [stderr]     Checking piston v0.37.0
Dec 19 21:41:08.457 INFO [stderr]     Checking piston_window v0.80.0
Dec 19 21:41:10.549 INFO [stderr]     Checking snake_game v0.1.0 (/opt/crater/workdir)
Dec 19 21:41:12.811 INFO [stderr] warning: unused variable: `u`
Dec 19 21:41:12.811 INFO [stderr]   --> src/main.rs:88:21
Dec 19 21:41:12.811 INFO [stderr]    |
Dec 19 21:41:12.811 INFO [stderr] 88 |         if let Some(u) = e.update_args() 
Dec 19 21:41:12.811 INFO [stderr]    |                     ^ help: consider using `_u` instead
Dec 19 21:41:12.811 INFO [stderr]    |
Dec 19 21:41:12.811 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:41:12.811 INFO [stderr] 
Dec 19 21:41:13.168 INFO [stderr] warning: unused variable: `u`
Dec 19 21:41:13.168 INFO [stderr]   --> src/main.rs:88:21
Dec 19 21:41:13.168 INFO [stderr]    |
Dec 19 21:41:13.168 INFO [stderr] 88 |         if let Some(u) = e.update_args() 
Dec 19 21:41:13.168 INFO [stderr]    |                     ^ help: consider using `_u` instead
Dec 19 21:41:13.168 INFO [stderr]    |
Dec 19 21:41:13.168 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:41:13.168 INFO [stderr] 
Dec 19 21:41:13.248 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.07s
Dec 19 21:41:14.051 INFO running `"docker" "inspect" "7b1edf718dcee5376cff4e76f0cc297c0f93780f705a4af36f9a6dfd2ee716d7"`
Dec 19 21:41:14.326 INFO running `"docker" "rm" "-f" "7b1edf718dcee5376cff4e76f0cc297c0f93780f705a4af36f9a6dfd2ee716d7"`
Dec 19 21:41:14.628 INFO [stdout] 7b1edf718dcee5376cff4e76f0cc297c0f93780f705a4af36f9a6dfd2ee716d7