Nov 29 21:13:33.896 INFO checking notryanb/rust_snake against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 21:13:33.896 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 21:13:34.403 INFO [stdout] f1f4d1cf34cc4f62fdc5e37bcb225025978e12efde043d668032e7389dd3cfbe
Nov 29 21:13:34.405 INFO running `"docker" "start" "-a" "f1f4d1cf34cc4f62fdc5e37bcb225025978e12efde043d668032e7389dd3cfbe"`
Nov 29 21:13:36.443 INFO [stderr] usermod: no changes
Nov 29 21:13:36.528 INFO [stderr]     Checking rust_snake v0.1.0 (/source)
Nov 29 21:13:36.888 INFO [stderr] warning: unused import: `style`
Nov 29 21:13:36.888 INFO [stderr]  --> src/board.rs:3:22
Nov 29 21:13:36.888 INFO [stderr]   |
Nov 29 21:13:36.888 INFO [stderr] 3 | use termion::{color, style};
Nov 29 21:13:36.888 INFO [stderr]   |                      ^^^^^
Nov 29 21:13:36.888 INFO [stderr]   |
Nov 29 21:13:36.888 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 21:13:36.888 INFO [stderr] 
Nov 29 21:13:36.892 INFO [stderr] warning: unused imports: `color`, `style`
Nov 29 21:13:36.892 INFO [stderr]  --> src/main.rs:6:15
Nov 29 21:13:36.892 INFO [stderr]   |
Nov 29 21:13:36.892 INFO [stderr] 6 | use termion::{color,style};
Nov 29 21:13:36.892 INFO [stderr]   |               ^^^^^ ^^^^^
Nov 29 21:13:36.892 INFO [stderr] 
Nov 29 21:13:36.932 INFO [stderr] warning: unused import: `style`
Nov 29 21:13:36.932 INFO [stderr]  --> src/board.rs:3:22
Nov 29 21:13:36.932 INFO [stderr]   |
Nov 29 21:13:36.932 INFO [stderr] 3 | use termion::{color, style};
Nov 29 21:13:36.932 INFO [stderr]   |                      ^^^^^
Nov 29 21:13:36.932 INFO [stderr]   |
Nov 29 21:13:36.932 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 21:13:36.932 INFO [stderr] 
Nov 29 21:13:36.932 INFO [stderr] warning: unused imports: `color`, `style`
Nov 29 21:13:36.932 INFO [stderr]  --> src/main.rs:6:15
Nov 29 21:13:36.932 INFO [stderr]   |
Nov 29 21:13:36.932 INFO [stderr] 6 | use termion::{color,style};
Nov 29 21:13:36.932 INFO [stderr]   |               ^^^^^ ^^^^^
Nov 29 21:13:36.933 INFO [stderr] 
Nov 29 21:13:37.016 INFO [stderr] warning: field is never used: `width`
Nov 29 21:13:37.016 INFO [stderr]   --> src/board.rs:21:5
Nov 29 21:13:37.016 INFO [stderr]    |
Nov 29 21:13:37.016 INFO [stderr] 21 |     width: i32,
Nov 29 21:13:37.016 INFO [stderr]    |     ^^^^^^^^^^
Nov 29 21:13:37.016 INFO [stderr]    |
Nov 29 21:13:37.016 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 21:13:37.016 INFO [stderr] 
Nov 29 21:13:37.036 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:13:37.036 INFO [stderr]   --> src/board.rs:59:13
Nov 29 21:13:37.036 INFO [stderr]    |
Nov 29 21:13:37.036 INFO [stderr] 59 | /             match cell.x % self.height {
Nov 29 21:13:37.036 INFO [stderr] 60 | |                 0 => write!(f, "{}\n", color::Fg(color::Green)),
Nov 29 21:13:37.036 INFO [stderr] 61 | |                 _ => write!(f, "{}", color::Fg(color::Blue))
Nov 29 21:13:37.036 INFO [stderr] 62 | |             };
Nov 29 21:13:37.036 INFO [stderr]    | |______________^
Nov 29 21:13:37.036 INFO [stderr]    |
Nov 29 21:13:37.036 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 21:13:37.036 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:13:37.036 INFO [stderr] 
Nov 29 21:13:37.128 INFO [stderr] warning: unused variable: `grid`
Nov 29 21:13:37.128 INFO [stderr]   --> src/board.rs:77:13
Nov 29 21:13:37.128 INFO [stderr]    |
Nov 29 21:13:37.128 INFO [stderr] 77 |         let grid: Vec<Cell> = Vec::with_capacity((width * height) as usize);
Nov 29 21:13:37.128 INFO [stderr]    |             ^^^^ help: consider using `_grid` instead
Nov 29 21:13:37.128 INFO [stderr]    |
Nov 29 21:13:37.128 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 21:13:37.128 INFO [stderr] 
Nov 29 21:13:37.147 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:13:37.147 INFO [stderr]   --> src/board.rs:59:13
Nov 29 21:13:37.147 INFO [stderr]    |
Nov 29 21:13:37.147 INFO [stderr] 59 | /             match cell.x % self.height {
Nov 29 21:13:37.147 INFO [stderr] 60 | |                 0 => write!(f, "{}\n", color::Fg(color::Green)),
Nov 29 21:13:37.147 INFO [stderr] 61 | |                 _ => write!(f, "{}", color::Fg(color::Blue))
Nov 29 21:13:37.147 INFO [stderr] 62 | |             };
Nov 29 21:13:37.147 INFO [stderr]    | |______________^
Nov 29 21:13:37.147 INFO [stderr]    |
Nov 29 21:13:37.147 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 21:13:37.147 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:13:37.147 INFO [stderr] 
Nov 29 21:13:37.176 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Nov 29 21:13:37.192 INFO [stderr] su: No module specific data is present
Nov 29 21:13:38.142 INFO running `"docker" "inspect" "f1f4d1cf34cc4f62fdc5e37bcb225025978e12efde043d668032e7389dd3cfbe"`
Nov 29 21:13:38.416 INFO running `"docker" "rm" "-f" "f1f4d1cf34cc4f62fdc5e37bcb225025978e12efde043d668032e7389dd3cfbe"`
Nov 29 21:13:38.836 INFO [stdout] f1f4d1cf34cc4f62fdc5e37bcb225025978e12efde043d668032e7389dd3cfbe