Dec 18 05:13:24.347 INFO checking TheEighthByte/Snake-Game against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:13:24.347 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:13:24.878 INFO [stdout] 6448bdcf857b1f3a57fb7afb3e6e4f083900c01c61651e9e2100dd053c25559f
Dec 18 05:13:24.884 INFO running `"docker" "start" "-a" "6448bdcf857b1f3a57fb7afb3e6e4f083900c01c61651e9e2100dd053c25559f"`
Dec 18 05:13:26.908 INFO [stderr]     Checking wayland-sys v0.12.5
Dec 18 05:13:26.917 INFO [stderr]     Checking rusttype v0.4.3
Dec 18 05:13:26.917 INFO [stderr]     Checking pistoncore-input v0.21.0
Dec 18 05:13:26.917 INFO [stderr]     Checking image v0.19.0
Dec 18 05:13:28.127 INFO [stderr]     Checking wayland-client v0.12.5
Dec 18 05:13:29.908 INFO [stderr]     Checking piston2d-graphics v0.26.0
Dec 18 05:13:33.284 INFO [stderr]     Checking wayland-protocols v0.12.5
Dec 18 05:13:33.284 INFO [stderr]     Checking wayland-kbd v0.13.1
Dec 18 05:13:37.212 INFO [stderr]     Checking pistoncore-window v0.32.0
Dec 18 05:13:41.343 INFO [stderr]     Checking pistoncore-event_loop v0.37.0
Dec 18 05:13:41.926 INFO [stderr]     Checking wayland-window v0.13.3
Dec 18 05:13:42.134 INFO [stderr]     Checking piston-gfx_texture v0.32.0
Dec 18 05:13:43.173 INFO [stderr]     Checking piston v0.37.0
Dec 18 05:13:43.328 INFO [stderr]     Checking winit v0.12.0
Dec 18 05:13:45.570 INFO [stderr]     Checking piston2d-gfx_graphics v0.51.0
Dec 18 05:13:46.871 INFO [stderr]     Checking glutin v0.14.0
Dec 18 05:13:49.068 INFO [stderr]     Checking pistoncore-glutin_window v0.47.0
Dec 18 05:13:50.418 INFO [stderr]     Checking piston_window v0.80.0
Dec 18 05:13:52.147 INFO [stderr]     Checking snake_game v0.1.0 (/opt/crater/workdir)
Dec 18 05:13:54.456 INFO [stderr] warning: unused variable: `u`
Dec 18 05:13:54.456 INFO [stderr]   --> src/main.rs:88:21
Dec 18 05:13:54.456 INFO [stderr]    |
Dec 18 05:13:54.456 INFO [stderr] 88 |         if let Some(u) = e.update_args() 
Dec 18 05:13:54.456 INFO [stderr]    |                     ^ help: consider using `_u` instead
Dec 18 05:13:54.456 INFO [stderr]    |
Dec 18 05:13:54.456 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:13:54.456 INFO [stderr] 
Dec 18 05:13:54.500 INFO [stderr] warning: unused variable: `u`
Dec 18 05:13:54.500 INFO [stderr]   --> src/main.rs:88:21
Dec 18 05:13:54.500 INFO [stderr]    |
Dec 18 05:13:54.500 INFO [stderr] 88 |         if let Some(u) = e.update_args() 
Dec 18 05:13:54.500 INFO [stderr]    |                     ^ help: consider using `_u` instead
Dec 18 05:13:54.500 INFO [stderr]    |
Dec 18 05:13:54.500 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:13:54.500 INFO [stderr] 
Dec 18 05:13:54.540 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.04s
Dec 18 05:13:55.434 INFO running `"docker" "inspect" "6448bdcf857b1f3a57fb7afb3e6e4f083900c01c61651e9e2100dd053c25559f"`
Dec 18 05:13:55.748 INFO running `"docker" "rm" "-f" "6448bdcf857b1f3a57fb7afb3e6e4f083900c01c61651e9e2100dd053c25559f"`
Dec 18 05:13:56.030 INFO [stdout] 6448bdcf857b1f3a57fb7afb3e6e4f083900c01c61651e9e2100dd053c25559f