Dec 19 11:42:07.383 INFO checking notryanb/rust_snake against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 11:42:07.383 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/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 11:42:07.818 INFO [stdout] cc59b48f4d0ead2b9269a550a8aa896fe7c31978f70c28a4251386f88427b1a7
Dec 19 11:42:07.826 INFO running `"docker" "start" "-a" "cc59b48f4d0ead2b9269a550a8aa896fe7c31978f70c28a4251386f88427b1a7"`
Dec 19 11:42:09.608 INFO [stderr]     Checking rust_snake v0.1.0 (/opt/crater/workdir)
Dec 19 11:42:09.804 INFO [stderr] warning: unused import: `style`
Dec 19 11:42:09.804 INFO [stderr]  --> src/board.rs:3:22
Dec 19 11:42:09.804 INFO [stderr]   |
Dec 19 11:42:09.804 INFO [stderr] 3 | use termion::{color, style};
Dec 19 11:42:09.804 INFO [stderr]   |                      ^^^^^
Dec 19 11:42:09.804 INFO [stderr]   |
Dec 19 11:42:09.804 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 11:42:09.804 INFO [stderr] 
Dec 19 11:42:09.804 INFO [stderr] warning: unused imports: `color`, `style`
Dec 19 11:42:09.804 INFO [stderr]  --> src/main.rs:6:15
Dec 19 11:42:09.804 INFO [stderr]   |
Dec 19 11:42:09.804 INFO [stderr] 6 | use termion::{color,style};
Dec 19 11:42:09.804 INFO [stderr]   |               ^^^^^ ^^^^^
Dec 19 11:42:09.804 INFO [stderr] 
Dec 19 11:42:09.816 INFO [stderr] warning: unused import: `style`
Dec 19 11:42:09.816 INFO [stderr]  --> src/board.rs:3:22
Dec 19 11:42:09.816 INFO [stderr]   |
Dec 19 11:42:09.816 INFO [stderr] 3 | use termion::{color, style};
Dec 19 11:42:09.816 INFO [stderr]   |                      ^^^^^
Dec 19 11:42:09.816 INFO [stderr]   |
Dec 19 11:42:09.816 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 11:42:09.816 INFO [stderr] 
Dec 19 11:42:09.816 INFO [stderr] warning: unused imports: `color`, `style`
Dec 19 11:42:09.816 INFO [stderr]  --> src/main.rs:6:15
Dec 19 11:42:09.816 INFO [stderr]   |
Dec 19 11:42:09.816 INFO [stderr] 6 | use termion::{color,style};
Dec 19 11:42:09.816 INFO [stderr]   |               ^^^^^ ^^^^^
Dec 19 11:42:09.816 INFO [stderr] 
Dec 19 11:42:09.884 INFO [stderr] warning: field is never used: `width`
Dec 19 11:42:09.884 INFO [stderr]   --> src/board.rs:21:5
Dec 19 11:42:09.884 INFO [stderr]    |
Dec 19 11:42:09.884 INFO [stderr] 21 |     width: i32,
Dec 19 11:42:09.884 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 11:42:09.884 INFO [stderr]    |
Dec 19 11:42:09.884 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 11:42:09.884 INFO [stderr] 
Dec 19 11:42:09.900 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 11:42:09.900 INFO [stderr]   --> src/board.rs:59:13
Dec 19 11:42:09.900 INFO [stderr]    |
Dec 19 11:42:09.900 INFO [stderr] 59 | /             match cell.x % self.height {
Dec 19 11:42:09.900 INFO [stderr] 60 | |                 0 => write!(f, "{}\n", color::Fg(color::Green)),
Dec 19 11:42:09.900 INFO [stderr] 61 | |                 _ => write!(f, "{}", color::Fg(color::Blue))
Dec 19 11:42:09.900 INFO [stderr] 62 | |             };
Dec 19 11:42:09.900 INFO [stderr]    | |______________^
Dec 19 11:42:09.900 INFO [stderr]    |
Dec 19 11:42:09.900 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 11:42:09.900 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 11:42:09.900 INFO [stderr] 
Dec 19 11:42:09.908 INFO [stderr] warning: unused variable: `grid`
Dec 19 11:42:09.908 INFO [stderr]   --> src/board.rs:77:13
Dec 19 11:42:09.908 INFO [stderr]    |
Dec 19 11:42:09.908 INFO [stderr] 77 |         let grid: Vec<Cell> = Vec::with_capacity((width * height) as usize);
Dec 19 11:42:09.908 INFO [stderr]    |             ^^^^ help: consider using `_grid` instead
Dec 19 11:42:09.908 INFO [stderr]    |
Dec 19 11:42:09.908 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 11:42:09.908 INFO [stderr] 
Dec 19 11:42:09.928 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 11:42:09.928 INFO [stderr]   --> src/board.rs:59:13
Dec 19 11:42:09.928 INFO [stderr]    |
Dec 19 11:42:09.928 INFO [stderr] 59 | /             match cell.x % self.height {
Dec 19 11:42:09.928 INFO [stderr] 60 | |                 0 => write!(f, "{}\n", color::Fg(color::Green)),
Dec 19 11:42:09.928 INFO [stderr] 61 | |                 _ => write!(f, "{}", color::Fg(color::Blue))
Dec 19 11:42:09.928 INFO [stderr] 62 | |             };
Dec 19 11:42:09.928 INFO [stderr]    | |______________^
Dec 19 11:42:09.928 INFO [stderr]    |
Dec 19 11:42:09.928 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 11:42:09.928 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 11:42:09.928 INFO [stderr] 
Dec 19 11:42:09.956 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Dec 19 11:42:11.133 INFO running `"docker" "inspect" "cc59b48f4d0ead2b9269a550a8aa896fe7c31978f70c28a4251386f88427b1a7"`
Dec 19 11:42:11.438 INFO running `"docker" "rm" "-f" "cc59b48f4d0ead2b9269a550a8aa896fe7c31978f70c28a4251386f88427b1a7"`
Dec 19 11:42:11.812 INFO [stdout] cc59b48f4d0ead2b9269a550a8aa896fe7c31978f70c28a4251386f88427b1a7