Dec 18 07:41:34.793 INFO checking FeliciousX/rust-2048 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:41:34.793 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/FeliciousX/rust-2048:/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 18 07:41:35.019 INFO [stdout] a9c7338f2348e33d5481ca76e92d4a0e2ab965ababa1cb546afb273c12c125df
Dec 18 07:41:35.026 INFO running `"docker" "start" "-a" "a9c7338f2348e33d5481ca76e92d4a0e2ab965ababa1cb546afb273c12c125df"`
Dec 18 07:41:35.901 INFO [stderr]     Checking 2048_game v0.1.0 (/opt/crater/workdir)
Dec 18 07:41:36.084 INFO [stderr] warning: unused import: `std::io`
Dec 18 07:41:36.086 INFO [stderr]  --> src/main.rs:1:5
Dec 18 07:41:36.086 INFO [stderr]   |
Dec 18 07:41:36.086 INFO [stderr] 1 | use std::io;
Dec 18 07:41:36.086 INFO [stderr]   |     ^^^^^^^
Dec 18 07:41:36.086 INFO [stderr]   |
Dec 18 07:41:36.086 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:41:36.086 INFO [stderr] 
Dec 18 07:41:36.111 INFO [stderr] warning: unused import: `std::io`
Dec 18 07:41:36.111 INFO [stderr]  --> src/main.rs:1:5
Dec 18 07:41:36.111 INFO [stderr]   |
Dec 18 07:41:36.111 INFO [stderr] 1 | use std::io;
Dec 18 07:41:36.111 INFO [stderr]   |     ^^^^^^^
Dec 18 07:41:36.111 INFO [stderr]   |
Dec 18 07:41:36.111 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:41:36.111 INFO [stderr] 
Dec 18 07:41:36.119 INFO [stderr] warning: unused variable: `choice`
Dec 18 07:41:36.119 INFO [stderr]  --> src/app.rs:6:9
Dec 18 07:41:36.119 INFO [stderr]   |
Dec 18 07:41:36.119 INFO [stderr] 6 |     let choice = console::get_instruction();
Dec 18 07:41:36.119 INFO [stderr]   |         ^^^^^^ help: consider using `_choice` instead
Dec 18 07:41:36.119 INFO [stderr]   |
Dec 18 07:41:36.119 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 07:41:36.119 INFO [stderr] 
Dec 18 07:41:36.119 INFO [stderr] warning: unused variable: `i`
Dec 18 07:41:36.119 INFO [stderr]  --> src/console.rs:2:9
Dec 18 07:41:36.119 INFO [stderr]   |
Dec 18 07:41:36.119 INFO [stderr] 2 |     for i in 0..42 {
Dec 18 07:41:36.119 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 18 07:41:36.119 INFO [stderr] 
Dec 18 07:41:36.119 INFO [stderr] warning: unused variable: `i`
Dec 18 07:41:36.119 INFO [stderr]  --> src/console.rs:6:9
Dec 18 07:41:36.119 INFO [stderr]   |
Dec 18 07:41:36.119 INFO [stderr] 6 |     for i in 0..42 {
Dec 18 07:41:36.119 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 18 07:41:36.119 INFO [stderr] 
Dec 18 07:41:36.119 INFO [stderr] warning: unused variable: `player1`
Dec 18 07:41:36.119 INFO [stderr]   --> src/main.rs:14:9
Dec 18 07:41:36.119 INFO [stderr]    |
Dec 18 07:41:36.119 INFO [stderr] 14 |     let player1 = player::Player::new(&name);
Dec 18 07:41:36.119 INFO [stderr]    |         ^^^^^^^ help: consider using `_player1` instead
Dec 18 07:41:36.119 INFO [stderr] 
Dec 18 07:41:36.119 INFO [stderr] warning: unused variable: `settings`
Dec 18 07:41:36.119 INFO [stderr]   --> src/main.rs:16:9
Dec 18 07:41:36.119 INFO [stderr]    |
Dec 18 07:41:36.119 INFO [stderr] 16 |     let settings = settings::Settings::new(4, 4);
Dec 18 07:41:36.119 INFO [stderr]    |         ^^^^^^^^ help: consider using `_settings` instead
Dec 18 07:41:36.119 INFO [stderr] 
Dec 18 07:41:36.121 INFO [stderr] warning: field is never used: `name`
Dec 18 07:41:36.121 INFO [stderr]  --> src/player.rs:2:5
Dec 18 07:41:36.121 INFO [stderr]   |
Dec 18 07:41:36.121 INFO [stderr] 2 |     name: String,
Dec 18 07:41:36.121 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 18 07:41:36.121 INFO [stderr]   |
Dec 18 07:41:36.121 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 07:41:36.121 INFO [stderr] 
Dec 18 07:41:36.121 INFO [stderr] warning: field is never used: `score`
Dec 18 07:41:36.121 INFO [stderr]  --> src/player.rs:3:5
Dec 18 07:41:36.121 INFO [stderr]   |
Dec 18 07:41:36.121 INFO [stderr] 3 |     score: i32,
Dec 18 07:41:36.121 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 07:41:36.121 INFO [stderr] 
Dec 18 07:41:36.121 INFO [stderr] warning: field is never used: `steps`
Dec 18 07:41:36.121 INFO [stderr]  --> src/player.rs:4:5
Dec 18 07:41:36.121 INFO [stderr]   |
Dec 18 07:41:36.121 INFO [stderr] 4 |     steps: i32,
Dec 18 07:41:36.121 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 07:41:36.121 INFO [stderr] 
Dec 18 07:41:36.121 INFO [stderr] warning: field is never used: `width`
Dec 18 07:41:36.121 INFO [stderr]  --> src/settings.rs:2:5
Dec 18 07:41:36.121 INFO [stderr]   |
Dec 18 07:41:36.121 INFO [stderr] 2 |     width: i16,
Dec 18 07:41:36.121 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 07:41:36.121 INFO [stderr] 
Dec 18 07:41:36.121 INFO [stderr] warning: field is never used: `height`
Dec 18 07:41:36.121 INFO [stderr]  --> src/settings.rs:3:5
Dec 18 07:41:36.121 INFO [stderr]   |
Dec 18 07:41:36.121 INFO [stderr] 3 |     height: i16,
Dec 18 07:41:36.121 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 07:41:36.121 INFO [stderr] 
Dec 18 07:41:36.121 INFO [stderr] warning: struct is never constructed: `Board`
Dec 18 07:41:36.121 INFO [stderr]  --> src/board.rs:1:1
Dec 18 07:41:36.121 INFO [stderr]   |
Dec 18 07:41:36.121 INFO [stderr] 1 | struct Board;
Dec 18 07:41:36.121 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 18 07:41:36.122 INFO [stderr] 
Dec 18 07:41:36.122 INFO [stderr] warning: struct is never constructed: `tiles`
Dec 18 07:41:36.122 INFO [stderr]  --> src/tiles.rs:1:1
Dec 18 07:41:36.122 INFO [stderr]   |
Dec 18 07:41:36.122 INFO [stderr] 1 | struct tiles;
Dec 18 07:41:36.122 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 18 07:41:36.122 INFO [stderr] 
Dec 18 07:41:36.122 INFO [stderr] warning: type `tiles` should have a camel case name such as `Tiles`
Dec 18 07:41:36.122 INFO [stderr]  --> src/tiles.rs:1:1
Dec 18 07:41:36.122 INFO [stderr]   |
Dec 18 07:41:36.122 INFO [stderr] 1 | struct tiles;
Dec 18 07:41:36.122 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 18 07:41:36.122 INFO [stderr]   |
Dec 18 07:41:36.122 INFO [stderr]   = note: #[warn(non_camel_case_types)] on by default
Dec 18 07:41:36.122 INFO [stderr] 
Dec 18 07:41:36.141 INFO [stderr] warning: unused variable: `choice`
Dec 18 07:41:36.141 INFO [stderr]  --> src/app.rs:6:9
Dec 18 07:41:36.141 INFO [stderr]   |
Dec 18 07:41:36.141 INFO [stderr] 6 |     let choice = console::get_instruction();
Dec 18 07:41:36.141 INFO [stderr]   |         ^^^^^^ help: consider using `_choice` instead
Dec 18 07:41:36.141 INFO [stderr]   |
Dec 18 07:41:36.141 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 07:41:36.141 INFO [stderr] 
Dec 18 07:41:36.141 INFO [stderr] warning: unused variable: `i`
Dec 18 07:41:36.141 INFO [stderr]  --> src/console.rs:2:9
Dec 18 07:41:36.141 INFO [stderr]   |
Dec 18 07:41:36.141 INFO [stderr] 2 |     for i in 0..42 {
Dec 18 07:41:36.141 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 18 07:41:36.144 INFO [stderr] 
Dec 18 07:41:36.144 INFO [stderr] warning: unused variable: `i`
Dec 18 07:41:36.144 INFO [stderr]  --> src/console.rs:6:9
Dec 18 07:41:36.144 INFO [stderr]   |
Dec 18 07:41:36.144 INFO [stderr] 6 |     for i in 0..42 {
Dec 18 07:41:36.144 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 18 07:41:36.144 INFO [stderr] 
Dec 18 07:41:36.144 INFO [stderr] warning: unused variable: `player1`
Dec 18 07:41:36.144 INFO [stderr]   --> src/main.rs:14:9
Dec 18 07:41:36.144 INFO [stderr]    |
Dec 18 07:41:36.144 INFO [stderr] 14 |     let player1 = player::Player::new(&name);
Dec 18 07:41:36.144 INFO [stderr]    |         ^^^^^^^ help: consider using `_player1` instead
Dec 18 07:41:36.144 INFO [stderr] 
Dec 18 07:41:36.144 INFO [stderr] warning: unused variable: `settings`
Dec 18 07:41:36.144 INFO [stderr]   --> src/main.rs:16:9
Dec 18 07:41:36.144 INFO [stderr]    |
Dec 18 07:41:36.144 INFO [stderr] 16 |     let settings = settings::Settings::new(4, 4);
Dec 18 07:41:36.144 INFO [stderr]    |         ^^^^^^^^ help: consider using `_settings` instead
Dec 18 07:41:36.144 INFO [stderr] 
Dec 18 07:41:36.150 INFO [stderr] warning: field is never used: `name`
Dec 18 07:41:36.150 INFO [stderr]  --> src/player.rs:2:5
Dec 18 07:41:36.150 INFO [stderr]   |
Dec 18 07:41:36.150 INFO [stderr] 2 |     name: String,
Dec 18 07:41:36.150 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 18 07:41:36.151 INFO [stderr]   |
Dec 18 07:41:36.151 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 07:41:36.151 INFO [stderr] 
Dec 18 07:41:36.151 INFO [stderr] warning: field is never used: `score`
Dec 18 07:41:36.151 INFO [stderr]  --> src/player.rs:3:5
Dec 18 07:41:36.151 INFO [stderr]   |
Dec 18 07:41:36.151 INFO [stderr] 3 |     score: i32,
Dec 18 07:41:36.151 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 07:41:36.151 INFO [stderr] 
Dec 18 07:41:36.151 INFO [stderr] warning: field is never used: `steps`
Dec 18 07:41:36.151 INFO [stderr]  --> src/player.rs:4:5
Dec 18 07:41:36.151 INFO [stderr]   |
Dec 18 07:41:36.151 INFO [stderr] 4 |     steps: i32,
Dec 18 07:41:36.151 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 07:41:36.151 INFO [stderr] 
Dec 18 07:41:36.151 INFO [stderr] warning: field is never used: `width`
Dec 18 07:41:36.151 INFO [stderr]  --> src/settings.rs:2:5
Dec 18 07:41:36.151 INFO [stderr]   |
Dec 18 07:41:36.151 INFO [stderr] 2 |     width: i16,
Dec 18 07:41:36.151 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 07:41:36.151 INFO [stderr] 
Dec 18 07:41:36.151 INFO [stderr] warning: field is never used: `height`
Dec 18 07:41:36.151 INFO [stderr]  --> src/settings.rs:3:5
Dec 18 07:41:36.151 INFO [stderr]   |
Dec 18 07:41:36.151 INFO [stderr] 3 |     height: i16,
Dec 18 07:41:36.151 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 07:41:36.151 INFO [stderr] 
Dec 18 07:41:36.151 INFO [stderr] warning: struct is never constructed: `Board`
Dec 18 07:41:36.151 INFO [stderr]  --> src/board.rs:1:1
Dec 18 07:41:36.151 INFO [stderr]   |
Dec 18 07:41:36.151 INFO [stderr] 1 | struct Board;
Dec 18 07:41:36.151 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 18 07:41:36.151 INFO [stderr] 
Dec 18 07:41:36.151 INFO [stderr] warning: struct is never constructed: `tiles`
Dec 18 07:41:36.151 INFO [stderr]  --> src/tiles.rs:1:1
Dec 18 07:41:36.151 INFO [stderr]   |
Dec 18 07:41:36.151 INFO [stderr] 1 | struct tiles;
Dec 18 07:41:36.151 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 18 07:41:36.151 INFO [stderr] 
Dec 18 07:41:36.151 INFO [stderr] warning: type `tiles` should have a camel case name such as `Tiles`
Dec 18 07:41:36.151 INFO [stderr]  --> src/tiles.rs:1:1
Dec 18 07:41:36.151 INFO [stderr]   |
Dec 18 07:41:36.151 INFO [stderr] 1 | struct tiles;
Dec 18 07:41:36.151 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 18 07:41:36.151 INFO [stderr]   |
Dec 18 07:41:36.151 INFO [stderr]   = note: #[warn(non_camel_case_types)] on by default
Dec 18 07:41:36.151 INFO [stderr] 
Dec 18 07:41:36.174 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
Dec 18 07:41:36.447 INFO running `"docker" "inspect" "a9c7338f2348e33d5481ca76e92d4a0e2ab965ababa1cb546afb273c12c125df"`
Dec 18 07:41:36.526 INFO running `"docker" "rm" "-f" "a9c7338f2348e33d5481ca76e92d4a0e2ab965ababa1cb546afb273c12c125df"`
Dec 18 07:41:36.597 INFO [stdout] a9c7338f2348e33d5481ca76e92d4a0e2ab965ababa1cb546afb273c12c125df