Dec 17 18:37:40.657 INFO checking notryanb/rust_snake against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:37:40.657 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:37:41.066 INFO [stdout] 579c642977005eeaaf185addbc67fa2e9dcf32667306d47c1235e6dab029379f
Dec 17 18:37:41.072 INFO running `"docker" "start" "-a" "579c642977005eeaaf185addbc67fa2e9dcf32667306d47c1235e6dab029379f"`
Dec 17 18:37:42.950 INFO [stderr]     Checking rust_snake v0.1.0 (/opt/crater/workdir)
Dec 17 18:37:43.295 INFO [stderr] warning: unused import: `style`
Dec 17 18:37:43.296 INFO [stderr]  --> src/board.rs:3:22
Dec 17 18:37:43.296 INFO [stderr]   |
Dec 17 18:37:43.296 INFO [stderr] 3 | use termion::{color, style};
Dec 17 18:37:43.296 INFO [stderr]   |                      ^^^^^
Dec 17 18:37:43.296 INFO [stderr]   |
Dec 17 18:37:43.296 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:37:43.296 INFO [stderr] 
Dec 17 18:37:43.303 INFO [stderr] warning: unused imports: `color`, `style`
Dec 17 18:37:43.303 INFO [stderr]  --> src/main.rs:6:15
Dec 17 18:37:43.303 INFO [stderr]   |
Dec 17 18:37:43.303 INFO [stderr] 6 | use termion::{color,style};
Dec 17 18:37:43.303 INFO [stderr]   |               ^^^^^ ^^^^^
Dec 17 18:37:43.304 INFO [stderr] 
Dec 17 18:37:43.372 INFO [stderr] warning: unused import: `style`
Dec 17 18:37:43.372 INFO [stderr]  --> src/board.rs:3:22
Dec 17 18:37:43.373 INFO [stderr]   |
Dec 17 18:37:43.373 INFO [stderr] 3 | use termion::{color, style};
Dec 17 18:37:43.373 INFO [stderr]   |                      ^^^^^
Dec 17 18:37:43.373 INFO [stderr]   |
Dec 17 18:37:43.374 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:37:43.374 INFO [stderr] 
Dec 17 18:37:43.374 INFO [stderr] warning: unused imports: `color`, `style`
Dec 17 18:37:43.374 INFO [stderr]  --> src/main.rs:6:15
Dec 17 18:37:43.374 INFO [stderr]   |
Dec 17 18:37:43.375 INFO [stderr] 6 | use termion::{color,style};
Dec 17 18:37:43.375 INFO [stderr]   |               ^^^^^ ^^^^^
Dec 17 18:37:43.375 INFO [stderr] 
Dec 17 18:37:43.409 INFO [stderr] warning: unused variable: `grid`
Dec 17 18:37:43.409 INFO [stderr]   --> src/board.rs:77:13
Dec 17 18:37:43.409 INFO [stderr]    |
Dec 17 18:37:43.409 INFO [stderr] 77 |         let grid: Vec<Cell> = Vec::with_capacity((width * height) as usize);
Dec 17 18:37:43.410 INFO [stderr]    |             ^^^^ help: consider using `_grid` instead
Dec 17 18:37:43.410 INFO [stderr]    |
Dec 17 18:37:43.410 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:37:43.410 INFO [stderr] 
Dec 17 18:37:43.427 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:37:43.427 INFO [stderr]   --> src/board.rs:59:13
Dec 17 18:37:43.428 INFO [stderr]    |
Dec 17 18:37:43.428 INFO [stderr] 59 | /             match cell.x % self.height {
Dec 17 18:37:43.428 INFO [stderr] 60 | |                 0 => write!(f, "{}\n", color::Fg(color::Green)),
Dec 17 18:37:43.428 INFO [stderr] 61 | |                 _ => write!(f, "{}", color::Fg(color::Blue))
Dec 17 18:37:43.429 INFO [stderr] 62 | |             };
Dec 17 18:37:43.429 INFO [stderr]    | |______________^
Dec 17 18:37:43.429 INFO [stderr]    |
Dec 17 18:37:43.429 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:37:43.430 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:37:43.430 INFO [stderr] 
Dec 17 18:37:43.452 INFO [stderr] warning: field is never used: `width`
Dec 17 18:37:43.452 INFO [stderr]   --> src/board.rs:21:5
Dec 17 18:37:43.452 INFO [stderr]    |
Dec 17 18:37:43.452 INFO [stderr] 21 |     width: i32,
Dec 17 18:37:43.452 INFO [stderr]    |     ^^^^^^^^^^
Dec 17 18:37:43.452 INFO [stderr]    |
Dec 17 18:37:43.452 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 18:37:43.452 INFO [stderr] 
Dec 17 18:37:43.472 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:37:43.472 INFO [stderr]   --> src/board.rs:59:13
Dec 17 18:37:43.472 INFO [stderr]    |
Dec 17 18:37:43.472 INFO [stderr] 59 | /             match cell.x % self.height {
Dec 17 18:37:43.472 INFO [stderr] 60 | |                 0 => write!(f, "{}\n", color::Fg(color::Green)),
Dec 17 18:37:43.472 INFO [stderr] 61 | |                 _ => write!(f, "{}", color::Fg(color::Blue))
Dec 17 18:37:43.472 INFO [stderr] 62 | |             };
Dec 17 18:37:43.472 INFO [stderr]    | |______________^
Dec 17 18:37:43.472 INFO [stderr]    |
Dec 17 18:37:43.472 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:37:43.472 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:37:43.472 INFO [stderr] 
Dec 17 18:37:43.500 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 17 18:37:44.468 INFO running `"docker" "inspect" "579c642977005eeaaf185addbc67fa2e9dcf32667306d47c1235e6dab029379f"`
Dec 17 18:37:44.798 INFO running `"docker" "rm" "-f" "579c642977005eeaaf185addbc67fa2e9dcf32667306d47c1235e6dab029379f"`
Dec 17 18:37:45.120 INFO [stdout] 579c642977005eeaaf185addbc67fa2e9dcf32667306d47c1235e6dab029379f