Dec 17 18:37:40.723 INFO checking notryanb/rust_snake against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 18:37:40.723 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/notryanb/rust_snake:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:37:41.132 INFO [stdout] 244bbac68204cbf4ab7bfc18d93c9de4644d49b7b3a9448cac1612c5fdfaaab4
Dec 17 18:37:41.138 INFO running `"docker" "start" "-a" "244bbac68204cbf4ab7bfc18d93c9de4644d49b7b3a9448cac1612c5fdfaaab4"`
Dec 17 18:37:43.133 INFO [stderr]     Checking termion v1.5.1
Dec 17 18:37:44.011 INFO [stderr]     Checking rust_snake v0.1.0 (/opt/crater/workdir)
Dec 17 18:37:44.232 INFO [stderr] warning: unused import: `style`
Dec 17 18:37:44.232 INFO [stderr]  --> src/board.rs:3:22
Dec 17 18:37:44.232 INFO [stderr]   |
Dec 17 18:37:44.232 INFO [stderr] 3 | use termion::{color, style};
Dec 17 18:37:44.232 INFO [stderr]   |                      ^^^^^
Dec 17 18:37:44.232 INFO [stderr]   |
Dec 17 18:37:44.232 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:37:44.232 INFO [stderr] 
Dec 17 18:37:44.232 INFO [stderr] warning: unused imports: `color`, `style`
Dec 17 18:37:44.232 INFO [stderr]  --> src/main.rs:6:15
Dec 17 18:37:44.232 INFO [stderr]   |
Dec 17 18:37:44.232 INFO [stderr] 6 | use termion::{color,style};
Dec 17 18:37:44.232 INFO [stderr]   |               ^^^^^ ^^^^^
Dec 17 18:37:44.232 INFO [stderr] 
Dec 17 18:37:44.303 INFO [stderr] warning: unused import: `style`
Dec 17 18:37:44.303 INFO [stderr]  --> src/board.rs:3:22
Dec 17 18:37:44.303 INFO [stderr]   |
Dec 17 18:37:44.303 INFO [stderr] 3 | use termion::{color, style};
Dec 17 18:37:44.303 INFO [stderr]   |                      ^^^^^
Dec 17 18:37:44.303 INFO [stderr]   |
Dec 17 18:37:44.303 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:37:44.303 INFO [stderr] 
Dec 17 18:37:44.303 INFO [stderr] warning: unused imports: `color`, `style`
Dec 17 18:37:44.303 INFO [stderr]  --> src/main.rs:6:15
Dec 17 18:37:44.303 INFO [stderr]   |
Dec 17 18:37:44.303 INFO [stderr] 6 | use termion::{color,style};
Dec 17 18:37:44.303 INFO [stderr]   |               ^^^^^ ^^^^^
Dec 17 18:37:44.303 INFO [stderr] 
Dec 17 18:37:44.314 INFO [stderr] warning: unused variable: `grid`
Dec 17 18:37:44.314 INFO [stderr]   --> src/board.rs:77:13
Dec 17 18:37:44.314 INFO [stderr]    |
Dec 17 18:37:44.314 INFO [stderr] 77 |         let grid: Vec<Cell> = Vec::with_capacity((width * height) as usize);
Dec 17 18:37:44.314 INFO [stderr]    |             ^^^^ help: consider using `_grid` instead
Dec 17 18:37:44.314 INFO [stderr]    |
Dec 17 18:37:44.314 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:37:44.314 INFO [stderr] 
Dec 17 18:37:44.352 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:37:44.352 INFO [stderr]   --> src/board.rs:59:13
Dec 17 18:37:44.353 INFO [stderr]    |
Dec 17 18:37:44.353 INFO [stderr] 59 | /             match cell.x % self.height {
Dec 17 18:37:44.353 INFO [stderr] 60 | |                 0 => write!(f, "{}\n", color::Fg(color::Green)),
Dec 17 18:37:44.353 INFO [stderr] 61 | |                 _ => write!(f, "{}", color::Fg(color::Blue))
Dec 17 18:37:44.354 INFO [stderr] 62 | |             };
Dec 17 18:37:44.354 INFO [stderr]    | |______________^
Dec 17 18:37:44.354 INFO [stderr]    |
Dec 17 18:37:44.354 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:37:44.355 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:37:44.355 INFO [stderr] 
Dec 17 18:37:44.421 INFO [stderr] warning: field is never used: `width`
Dec 17 18:37:44.421 INFO [stderr]   --> src/board.rs:21:5
Dec 17 18:37:44.421 INFO [stderr]    |
Dec 17 18:37:44.422 INFO [stderr] 21 |     width: i32,
Dec 17 18:37:44.422 INFO [stderr]    |     ^^^^^^^^^^
Dec 17 18:37:44.422 INFO [stderr]    |
Dec 17 18:37:44.423 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 18:37:44.423 INFO [stderr] 
Dec 17 18:37:44.430 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:37:44.430 INFO [stderr]   --> src/board.rs:59:13
Dec 17 18:37:44.430 INFO [stderr]    |
Dec 17 18:37:44.431 INFO [stderr] 59 | /             match cell.x % self.height {
Dec 17 18:37:44.431 INFO [stderr] 60 | |                 0 => write!(f, "{}\n", color::Fg(color::Green)),
Dec 17 18:37:44.431 INFO [stderr] 61 | |                 _ => write!(f, "{}", color::Fg(color::Blue))
Dec 17 18:37:44.431 INFO [stderr] 62 | |             };
Dec 17 18:37:44.432 INFO [stderr]    | |______________^
Dec 17 18:37:44.432 INFO [stderr]    |
Dec 17 18:37:44.432 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:37:44.432 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:37:44.433 INFO [stderr] 
Dec 17 18:37:44.484 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
Dec 17 18:37:45.204 INFO running `"docker" "inspect" "244bbac68204cbf4ab7bfc18d93c9de4644d49b7b3a9448cac1612c5fdfaaab4"`
Dec 17 18:37:45.608 INFO running `"docker" "rm" "-f" "244bbac68204cbf4ab7bfc18d93c9de4644d49b7b3a9448cac1612c5fdfaaab4"`
Dec 17 18:37:45.947 INFO [stdout] 244bbac68204cbf4ab7bfc18d93c9de4644d49b7b3a9448cac1612c5fdfaaab4