Dec 05 02:33:03.476 INFO checking FeliciousX/rust-2048 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 02:33:03.476 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 05 02:33:03.929 INFO [stdout] 5e54435897241417d929c0296c02a978232c4d4b5d9cd2af00942066cdf1449d
Dec 05 02:33:03.932 INFO running `"docker" "start" "-a" "5e54435897241417d929c0296c02a978232c4d4b5d9cd2af00942066cdf1449d"`
Dec 05 02:33:04.795 INFO [stderr] usermod: no changes
Dec 05 02:33:04.817 INFO [stderr]     Checking 2048_game v0.1.0 (/source)
Dec 05 02:33:05.192 INFO [stderr] warning: unused import: `std::io`
Dec 05 02:33:05.192 INFO [stderr]  --> src/main.rs:1:5
Dec 05 02:33:05.192 INFO [stderr]   |
Dec 05 02:33:05.192 INFO [stderr] 1 | use std::io;
Dec 05 02:33:05.192 INFO [stderr]   |     ^^^^^^^
Dec 05 02:33:05.192 INFO [stderr]   |
Dec 05 02:33:05.192 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:33:05.192 INFO [stderr] 
Dec 05 02:33:05.224 INFO [stderr] warning: unused variable: `choice`
Dec 05 02:33:05.224 INFO [stderr]  --> src/app.rs:6:9
Dec 05 02:33:05.224 INFO [stderr]   |
Dec 05 02:33:05.224 INFO [stderr] 6 |     let choice = console::get_instruction();
Dec 05 02:33:05.224 INFO [stderr]   |         ^^^^^^ help: consider using `_choice` instead
Dec 05 02:33:05.224 INFO [stderr]   |
Dec 05 02:33:05.224 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 02:33:05.224 INFO [stderr] 
Dec 05 02:33:05.224 INFO [stderr] warning: unused variable: `i`
Dec 05 02:33:05.224 INFO [stderr]  --> src/console.rs:2:9
Dec 05 02:33:05.224 INFO [stderr]   |
Dec 05 02:33:05.224 INFO [stderr] 2 |     for i in 0..42 {
Dec 05 02:33:05.224 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 05 02:33:05.224 INFO [stderr] 
Dec 05 02:33:05.224 INFO [stderr] warning: unused variable: `i`
Dec 05 02:33:05.224 INFO [stderr]  --> src/console.rs:6:9
Dec 05 02:33:05.224 INFO [stderr]   |
Dec 05 02:33:05.224 INFO [stderr] 6 |     for i in 0..42 {
Dec 05 02:33:05.224 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 05 02:33:05.224 INFO [stderr] 
Dec 05 02:33:05.224 INFO [stderr] warning: unused variable: `player1`
Dec 05 02:33:05.224 INFO [stderr]   --> src/main.rs:14:9
Dec 05 02:33:05.224 INFO [stderr]    |
Dec 05 02:33:05.224 INFO [stderr] 14 |     let player1 = player::Player::new(&name);
Dec 05 02:33:05.224 INFO [stderr]    |         ^^^^^^^ help: consider using `_player1` instead
Dec 05 02:33:05.224 INFO [stderr] 
Dec 05 02:33:05.224 INFO [stderr] warning: unused variable: `settings`
Dec 05 02:33:05.224 INFO [stderr]   --> src/main.rs:16:9
Dec 05 02:33:05.224 INFO [stderr]    |
Dec 05 02:33:05.224 INFO [stderr] 16 |     let settings = settings::Settings::new(4, 4);
Dec 05 02:33:05.224 INFO [stderr]    |         ^^^^^^^^ help: consider using `_settings` instead
Dec 05 02:33:05.224 INFO [stderr] 
Dec 05 02:33:05.232 INFO [stderr] warning: field is never used: `name`
Dec 05 02:33:05.232 INFO [stderr]  --> src/player.rs:2:5
Dec 05 02:33:05.233 INFO [stderr]   |
Dec 05 02:33:05.233 INFO [stderr] 2 |     name: String,
Dec 05 02:33:05.233 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 05 02:33:05.233 INFO [stderr]   |
Dec 05 02:33:05.233 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 02:33:05.233 INFO [stderr] 
Dec 05 02:33:05.233 INFO [stderr] warning: field is never used: `score`
Dec 05 02:33:05.233 INFO [stderr]  --> src/player.rs:3:5
Dec 05 02:33:05.233 INFO [stderr]   |
Dec 05 02:33:05.233 INFO [stderr] 3 |     score: i32,
Dec 05 02:33:05.233 INFO [stderr]   |     ^^^^^^^^^^
Dec 05 02:33:05.233 INFO [stderr] 
Dec 05 02:33:05.233 INFO [stderr] warning: field is never used: `steps`
Dec 05 02:33:05.233 INFO [stderr]  --> src/player.rs:4:5
Dec 05 02:33:05.233 INFO [stderr]   |
Dec 05 02:33:05.233 INFO [stderr] 4 |     steps: i32,
Dec 05 02:33:05.233 INFO [stderr]   |     ^^^^^^^^^^
Dec 05 02:33:05.233 INFO [stderr] 
Dec 05 02:33:05.233 INFO [stderr] warning: field is never used: `width`
Dec 05 02:33:05.233 INFO [stderr]  --> src/settings.rs:2:5
Dec 05 02:33:05.233 INFO [stderr]   |
Dec 05 02:33:05.233 INFO [stderr] 2 |     width: i16,
Dec 05 02:33:05.233 INFO [stderr]   |     ^^^^^^^^^^
Dec 05 02:33:05.233 INFO [stderr] 
Dec 05 02:33:05.233 INFO [stderr] warning: field is never used: `height`
Dec 05 02:33:05.233 INFO [stderr]  --> src/settings.rs:3:5
Dec 05 02:33:05.233 INFO [stderr]   |
Dec 05 02:33:05.233 INFO [stderr] 3 |     height: i16,
Dec 05 02:33:05.233 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 02:33:05.233 INFO [stderr] 
Dec 05 02:33:05.233 INFO [stderr] warning: struct is never constructed: `Board`
Dec 05 02:33:05.233 INFO [stderr]  --> src/board.rs:1:1
Dec 05 02:33:05.233 INFO [stderr]   |
Dec 05 02:33:05.233 INFO [stderr] 1 | struct Board;
Dec 05 02:33:05.233 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 05 02:33:05.233 INFO [stderr] 
Dec 05 02:33:05.233 INFO [stderr] warning: struct is never constructed: `tiles`
Dec 05 02:33:05.233 INFO [stderr]  --> src/tiles.rs:1:1
Dec 05 02:33:05.233 INFO [stderr]   |
Dec 05 02:33:05.233 INFO [stderr] 1 | struct tiles;
Dec 05 02:33:05.233 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 05 02:33:05.233 INFO [stderr] 
Dec 05 02:33:05.233 INFO [stderr] warning: type `tiles` should have a camel case name such as `Tiles`
Dec 05 02:33:05.233 INFO [stderr]  --> src/tiles.rs:1:1
Dec 05 02:33:05.233 INFO [stderr]   |
Dec 05 02:33:05.233 INFO [stderr] 1 | struct tiles;
Dec 05 02:33:05.233 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 05 02:33:05.233 INFO [stderr]   |
Dec 05 02:33:05.233 INFO [stderr]   = note: #[warn(non_camel_case_types)] on by default
Dec 05 02:33:05.233 INFO [stderr] 
Dec 05 02:33:05.343 INFO [stderr] warning: unused import: `std::io`
Dec 05 02:33:05.343 INFO [stderr]  --> src/main.rs:1:5
Dec 05 02:33:05.343 INFO [stderr]   |
Dec 05 02:33:05.343 INFO [stderr] 1 | use std::io;
Dec 05 02:33:05.343 INFO [stderr]   |     ^^^^^^^
Dec 05 02:33:05.343 INFO [stderr]   |
Dec 05 02:33:05.343 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:33:05.343 INFO [stderr] 
Dec 05 02:33:05.372 INFO [stderr] warning: unused variable: `choice`
Dec 05 02:33:05.372 INFO [stderr]  --> src/app.rs:6:9
Dec 05 02:33:05.372 INFO [stderr]   |
Dec 05 02:33:05.372 INFO [stderr] 6 |     let choice = console::get_instruction();
Dec 05 02:33:05.372 INFO [stderr]   |         ^^^^^^ help: consider using `_choice` instead
Dec 05 02:33:05.372 INFO [stderr]   |
Dec 05 02:33:05.372 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 02:33:05.373 INFO [stderr] 
Dec 05 02:33:05.373 INFO [stderr] warning: unused variable: `i`
Dec 05 02:33:05.373 INFO [stderr]  --> src/console.rs:2:9
Dec 05 02:33:05.373 INFO [stderr]   |
Dec 05 02:33:05.373 INFO [stderr] 2 |     for i in 0..42 {
Dec 05 02:33:05.373 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 05 02:33:05.373 INFO [stderr] 
Dec 05 02:33:05.373 INFO [stderr] warning: unused variable: `i`
Dec 05 02:33:05.373 INFO [stderr]  --> src/console.rs:6:9
Dec 05 02:33:05.373 INFO [stderr]   |
Dec 05 02:33:05.373 INFO [stderr] 6 |     for i in 0..42 {
Dec 05 02:33:05.373 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 05 02:33:05.373 INFO [stderr] 
Dec 05 02:33:05.373 INFO [stderr] warning: unused variable: `player1`
Dec 05 02:33:05.373 INFO [stderr]   --> src/main.rs:14:9
Dec 05 02:33:05.373 INFO [stderr]    |
Dec 05 02:33:05.373 INFO [stderr] 14 |     let player1 = player::Player::new(&name);
Dec 05 02:33:05.373 INFO [stderr]    |         ^^^^^^^ help: consider using `_player1` instead
Dec 05 02:33:05.373 INFO [stderr] 
Dec 05 02:33:05.373 INFO [stderr] warning: unused variable: `settings`
Dec 05 02:33:05.373 INFO [stderr]   --> src/main.rs:16:9
Dec 05 02:33:05.373 INFO [stderr]    |
Dec 05 02:33:05.373 INFO [stderr] 16 |     let settings = settings::Settings::new(4, 4);
Dec 05 02:33:05.373 INFO [stderr]    |         ^^^^^^^^ help: consider using `_settings` instead
Dec 05 02:33:05.373 INFO [stderr] 
Dec 05 02:33:05.381 INFO [stderr] warning: field is never used: `name`
Dec 05 02:33:05.381 INFO [stderr]  --> src/player.rs:2:5
Dec 05 02:33:05.381 INFO [stderr]   |
Dec 05 02:33:05.381 INFO [stderr] 2 |     name: String,
Dec 05 02:33:05.381 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 05 02:33:05.381 INFO [stderr]   |
Dec 05 02:33:05.381 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 02:33:05.381 INFO [stderr] 
Dec 05 02:33:05.381 INFO [stderr] warning: field is never used: `score`
Dec 05 02:33:05.381 INFO [stderr]  --> src/player.rs:3:5
Dec 05 02:33:05.381 INFO [stderr]   |
Dec 05 02:33:05.381 INFO [stderr] 3 |     score: i32,
Dec 05 02:33:05.381 INFO [stderr]   |     ^^^^^^^^^^
Dec 05 02:33:05.381 INFO [stderr] 
Dec 05 02:33:05.381 INFO [stderr] warning: field is never used: `steps`
Dec 05 02:33:05.381 INFO [stderr]  --> src/player.rs:4:5
Dec 05 02:33:05.381 INFO [stderr]   |
Dec 05 02:33:05.382 INFO [stderr] 4 |     steps: i32,
Dec 05 02:33:05.382 INFO [stderr]   |     ^^^^^^^^^^
Dec 05 02:33:05.382 INFO [stderr] 
Dec 05 02:33:05.382 INFO [stderr] warning: field is never used: `width`
Dec 05 02:33:05.382 INFO [stderr]  --> src/settings.rs:2:5
Dec 05 02:33:05.382 INFO [stderr]   |
Dec 05 02:33:05.382 INFO [stderr] 2 |     width: i16,
Dec 05 02:33:05.382 INFO [stderr]   |     ^^^^^^^^^^
Dec 05 02:33:05.382 INFO [stderr] 
Dec 05 02:33:05.382 INFO [stderr] warning: field is never used: `height`
Dec 05 02:33:05.382 INFO [stderr]  --> src/settings.rs:3:5
Dec 05 02:33:05.382 INFO [stderr]   |
Dec 05 02:33:05.382 INFO [stderr] 3 |     height: i16,
Dec 05 02:33:05.382 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 02:33:05.382 INFO [stderr] 
Dec 05 02:33:05.382 INFO [stderr] warning: struct is never constructed: `Board`
Dec 05 02:33:05.382 INFO [stderr]  --> src/board.rs:1:1
Dec 05 02:33:05.382 INFO [stderr]   |
Dec 05 02:33:05.382 INFO [stderr] 1 | struct Board;
Dec 05 02:33:05.382 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 05 02:33:05.382 INFO [stderr] 
Dec 05 02:33:05.382 INFO [stderr] warning: struct is never constructed: `tiles`
Dec 05 02:33:05.382 INFO [stderr]  --> src/tiles.rs:1:1
Dec 05 02:33:05.382 INFO [stderr]   |
Dec 05 02:33:05.382 INFO [stderr] 1 | struct tiles;
Dec 05 02:33:05.382 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 05 02:33:05.382 INFO [stderr] 
Dec 05 02:33:05.382 INFO [stderr] warning: type `tiles` should have a camel case name such as `Tiles`
Dec 05 02:33:05.382 INFO [stderr]  --> src/tiles.rs:1:1
Dec 05 02:33:05.382 INFO [stderr]   |
Dec 05 02:33:05.382 INFO [stderr] 1 | struct tiles;
Dec 05 02:33:05.382 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 05 02:33:05.382 INFO [stderr]   |
Dec 05 02:33:05.382 INFO [stderr]   = note: #[warn(non_camel_case_types)] on by default
Dec 05 02:33:05.382 INFO [stderr] 
Dec 05 02:33:05.411 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Dec 05 02:33:05.413 INFO [stderr] su: No module specific data is present
Dec 05 02:33:05.745 INFO running `"docker" "inspect" "5e54435897241417d929c0296c02a978232c4d4b5d9cd2af00942066cdf1449d"`
Dec 05 02:33:05.837 INFO running `"docker" "rm" "-f" "5e54435897241417d929c0296c02a978232c4d4b5d9cd2af00942066cdf1449d"`
Dec 05 02:33:05.940 INFO [stdout] 5e54435897241417d929c0296c02a978232c4d4b5d9cd2af00942066cdf1449d