Dec 19 21:40:57.077 INFO checking TheEighthByte/Snake-Game against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:40:57.077 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:40:57.528 INFO [stdout] 2c13caf1aada8760c8f4d0fd87639401a5b1e9af5957bf3062556c172f99fef7
Dec 19 21:40:57.534 INFO running `"docker" "start" "-a" "2c13caf1aada8760c8f4d0fd87639401a5b1e9af5957bf3062556c172f99fef7"`
Dec 19 21:40:59.484 INFO [stderr]     Checking wayland-sys v0.12.5
Dec 19 21:40:59.484 INFO [stderr]     Checking rusttype v0.4.3
Dec 19 21:40:59.484 INFO [stderr]     Checking pistoncore-input v0.21.0
Dec 19 21:40:59.484 INFO [stderr]     Checking image v0.19.0
Dec 19 21:41:00.780 INFO [stderr]     Checking wayland-client v0.12.5
Dec 19 21:41:01.802 INFO [stderr]     Checking piston2d-graphics v0.26.0
Dec 19 21:41:04.989 INFO [stderr]     Checking wayland-protocols v0.12.5
Dec 19 21:41:04.989 INFO [stderr]     Checking wayland-kbd v0.13.1
Dec 19 21:41:05.014 INFO [stderr]     Checking pistoncore-window v0.32.0
Dec 19 21:41:09.100 INFO [stderr]     Checking pistoncore-event_loop v0.37.0
Dec 19 21:41:09.356 INFO [stderr]     Checking piston-gfx_texture v0.32.0
Dec 19 21:41:10.574 INFO [stderr]     Checking piston v0.37.0
Dec 19 21:41:12.262 INFO [stderr]     Checking piston2d-gfx_graphics v0.51.0
Dec 19 21:41:12.898 INFO [stderr]     Checking wayland-window v0.13.3
Dec 19 21:41:13.887 INFO [stderr]     Checking winit v0.12.0
Dec 19 21:41:16.188 INFO [stderr]     Checking glutin v0.14.0
Dec 19 21:41:17.599 INFO [stderr]     Checking pistoncore-glutin_window v0.47.0
Dec 19 21:41:18.731 INFO [stderr]     Checking piston_window v0.80.0
Dec 19 21:41:20.317 INFO [stderr]     Checking snake_game v0.1.0 (/opt/crater/workdir)
Dec 19 21:41:22.815 INFO [stderr] warning: unused variable: `u`
Dec 19 21:41:22.815 INFO [stderr]   --> src/main.rs:88:21
Dec 19 21:41:22.815 INFO [stderr]    |
Dec 19 21:41:22.815 INFO [stderr] 88 |         if let Some(u) = e.update_args() 
Dec 19 21:41:22.815 INFO [stderr]    |                     ^ help: consider using `_u` instead
Dec 19 21:41:22.815 INFO [stderr]    |
Dec 19 21:41:22.815 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:41:22.815 INFO [stderr] 
Dec 19 21:41:22.830 INFO [stderr] warning: unused variable: `u`
Dec 19 21:41:22.830 INFO [stderr]   --> src/main.rs:88:21
Dec 19 21:41:22.830 INFO [stderr]    |
Dec 19 21:41:22.830 INFO [stderr] 88 |         if let Some(u) = e.update_args() 
Dec 19 21:41:22.830 INFO [stderr]    |                     ^ help: consider using `_u` instead
Dec 19 21:41:22.830 INFO [stderr]    |
Dec 19 21:41:22.830 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:41:22.830 INFO [stderr] 
Dec 19 21:41:22.964 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.78s
Dec 19 21:41:24.026 INFO running `"docker" "inspect" "2c13caf1aada8760c8f4d0fd87639401a5b1e9af5957bf3062556c172f99fef7"`
Dec 19 21:41:24.328 INFO running `"docker" "rm" "-f" "2c13caf1aada8760c8f4d0fd87639401a5b1e9af5957bf3062556c172f99fef7"`
Dec 19 21:41:24.628 INFO [stdout] 2c13caf1aada8760c8f4d0fd87639401a5b1e9af5957bf3062556c172f99fef7