Dec 04 13:04:32.664 INFO checking notryanb/rust_snake against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 13:04:32.664 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 13:04:33.079 INFO [stdout] c50fa3b04265f83ddacaed78106b478af37f3c4184ab1e8263e46028c9035574
Dec 04 13:04:33.081 INFO running `"docker" "start" "-a" "c50fa3b04265f83ddacaed78106b478af37f3c4184ab1e8263e46028c9035574"`
Dec 04 13:04:34.659 INFO [stderr] usermod: no changes
Dec 04 13:04:34.719 INFO [stderr]     Checking termion v1.5.1
Dec 04 13:04:35.695 INFO [stderr]     Checking rust_snake v0.1.0 (/source)
Dec 04 13:04:36.087 INFO [stderr] warning: unused import: `style`
Dec 04 13:04:36.087 INFO [stderr]  --> src/board.rs:3:22
Dec 04 13:04:36.087 INFO [stderr]   |
Dec 04 13:04:36.087 INFO [stderr] 3 | use termion::{color, style};
Dec 04 13:04:36.087 INFO [stderr]   |                      ^^^^^
Dec 04 13:04:36.087 INFO [stderr]   |
Dec 04 13:04:36.091 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 13:04:36.091 INFO [stderr] 
Dec 04 13:04:36.091 INFO [stderr] warning: unused imports: `color`, `style`
Dec 04 13:04:36.091 INFO [stderr]  --> src/main.rs:6:15
Dec 04 13:04:36.091 INFO [stderr]   |
Dec 04 13:04:36.091 INFO [stderr] 6 | use termion::{color,style};
Dec 04 13:04:36.091 INFO [stderr]   |               ^^^^^ ^^^^^
Dec 04 13:04:36.091 INFO [stderr] 
Dec 04 13:04:36.107 INFO [stderr] warning: unused import: `style`
Dec 04 13:04:36.107 INFO [stderr]  --> src/board.rs:3:22
Dec 04 13:04:36.107 INFO [stderr]   |
Dec 04 13:04:36.107 INFO [stderr] 3 | use termion::{color, style};
Dec 04 13:04:36.107 INFO [stderr]   |                      ^^^^^
Dec 04 13:04:36.107 INFO [stderr]   |
Dec 04 13:04:36.107 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 13:04:36.107 INFO [stderr] 
Dec 04 13:04:36.107 INFO [stderr] warning: unused imports: `color`, `style`
Dec 04 13:04:36.107 INFO [stderr]  --> src/main.rs:6:15
Dec 04 13:04:36.107 INFO [stderr]   |
Dec 04 13:04:36.107 INFO [stderr] 6 | use termion::{color,style};
Dec 04 13:04:36.107 INFO [stderr]   |               ^^^^^ ^^^^^
Dec 04 13:04:36.107 INFO [stderr] 
Dec 04 13:04:36.193 INFO [stderr] warning: field is never used: `width`
Dec 04 13:04:36.193 INFO [stderr]   --> src/board.rs:21:5
Dec 04 13:04:36.193 INFO [stderr]    |
Dec 04 13:04:36.193 INFO [stderr] 21 |     width: i32,
Dec 04 13:04:36.193 INFO [stderr]    |     ^^^^^^^^^^
Dec 04 13:04:36.193 INFO [stderr]    |
Dec 04 13:04:36.193 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 13:04:36.193 INFO [stderr] 
Dec 04 13:04:36.208 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 13:04:36.208 INFO [stderr]   --> src/board.rs:59:13
Dec 04 13:04:36.208 INFO [stderr]    |
Dec 04 13:04:36.208 INFO [stderr] 59 | /             match cell.x % self.height {
Dec 04 13:04:36.208 INFO [stderr] 60 | |                 0 => write!(f, "{}\n", color::Fg(color::Green)),
Dec 04 13:04:36.208 INFO [stderr] 61 | |                 _ => write!(f, "{}", color::Fg(color::Blue))
Dec 04 13:04:36.208 INFO [stderr] 62 | |             };
Dec 04 13:04:36.208 INFO [stderr]    | |______________^
Dec 04 13:04:36.208 INFO [stderr]    |
Dec 04 13:04:36.208 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 13:04:36.208 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 13:04:36.208 INFO [stderr] 
Dec 04 13:04:36.289 INFO [stderr] warning: unused variable: `grid`
Dec 04 13:04:36.289 INFO [stderr]   --> src/board.rs:77:13
Dec 04 13:04:36.289 INFO [stderr]    |
Dec 04 13:04:36.289 INFO [stderr] 77 |         let grid: Vec<Cell> = Vec::with_capacity((width * height) as usize);
Dec 04 13:04:36.289 INFO [stderr]    |             ^^^^ help: consider using `_grid` instead
Dec 04 13:04:36.289 INFO [stderr]    |
Dec 04 13:04:36.290 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 13:04:36.290 INFO [stderr] 
Dec 04 13:04:36.311 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 13:04:36.311 INFO [stderr]   --> src/board.rs:59:13
Dec 04 13:04:36.311 INFO [stderr]    |
Dec 04 13:04:36.311 INFO [stderr] 59 | /             match cell.x % self.height {
Dec 04 13:04:36.311 INFO [stderr] 60 | |                 0 => write!(f, "{}\n", color::Fg(color::Green)),
Dec 04 13:04:36.312 INFO [stderr] 61 | |                 _ => write!(f, "{}", color::Fg(color::Blue))
Dec 04 13:04:36.312 INFO [stderr] 62 | |             };
Dec 04 13:04:36.312 INFO [stderr]    | |______________^
Dec 04 13:04:36.312 INFO [stderr]    |
Dec 04 13:04:36.313 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 13:04:36.313 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 13:04:36.313 INFO [stderr] 
Dec 04 13:04:36.336 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
Dec 04 13:04:36.351 INFO [stderr] su: No module specific data is present
Dec 04 13:04:37.567 INFO running `"docker" "inspect" "c50fa3b04265f83ddacaed78106b478af37f3c4184ab1e8263e46028c9035574"`
Dec 04 13:04:37.850 INFO running `"docker" "rm" "-f" "c50fa3b04265f83ddacaed78106b478af37f3c4184ab1e8263e46028c9035574"`
Dec 04 13:04:38.187 INFO [stdout] c50fa3b04265f83ddacaed78106b478af37f3c4184ab1e8263e46028c9035574