Dec 14 10:24:36.468 INFO testing FeliciousX/rust-2048 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 10:24:36.468 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 14 10:24:36.727 INFO [stdout] 7719709d88a6cb83593d5bc44f5e5fdb25c921337b1ccd421998f378dda2f6a0
Dec 14 10:24:36.728 INFO running `"docker" "start" "-a" "7719709d88a6cb83593d5bc44f5e5fdb25c921337b1ccd421998f378dda2f6a0"`
Dec 14 10:24:37.571 INFO [stderr] usermod: no changes
Dec 14 10:24:37.631 INFO [stderr]    Compiling 2048_game v0.1.0 (/source)
Dec 14 10:24:38.067 INFO [stderr] warning: unused import: `std::io`
Dec 14 10:24:38.067 INFO [stderr]  --> src/main.rs:1:5
Dec 14 10:24:38.067 INFO [stderr]   |
Dec 14 10:24:38.067 INFO [stderr] 1 | use std::io;
Dec 14 10:24:38.067 INFO [stderr]   |     ^^^^^^^
Dec 14 10:24:38.067 INFO [stderr]   |
Dec 14 10:24:38.067 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 10:24:38.067 INFO [stderr] 
Dec 14 10:24:38.099 INFO [stderr] warning: unused variable: `choice`
Dec 14 10:24:38.099 INFO [stderr]  --> src/app.rs:6:9
Dec 14 10:24:38.099 INFO [stderr]   |
Dec 14 10:24:38.099 INFO [stderr] 6 |     let choice = console::get_instruction();
Dec 14 10:24:38.099 INFO [stderr]   |         ^^^^^^ help: consider using `_choice` instead
Dec 14 10:24:38.099 INFO [stderr]   |
Dec 14 10:24:38.099 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 10:24:38.099 INFO [stderr] 
Dec 14 10:24:38.099 INFO [stderr] warning: unused variable: `i`
Dec 14 10:24:38.099 INFO [stderr]  --> src/console.rs:2:9
Dec 14 10:24:38.099 INFO [stderr]   |
Dec 14 10:24:38.099 INFO [stderr] 2 |     for i in 0..42 {
Dec 14 10:24:38.099 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 14 10:24:38.099 INFO [stderr] 
Dec 14 10:24:38.099 INFO [stderr] warning: unused variable: `i`
Dec 14 10:24:38.099 INFO [stderr]  --> src/console.rs:6:9
Dec 14 10:24:38.099 INFO [stderr]   |
Dec 14 10:24:38.099 INFO [stderr] 6 |     for i in 0..42 {
Dec 14 10:24:38.099 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 14 10:24:38.099 INFO [stderr] 
Dec 14 10:24:38.099 INFO [stderr] warning: unused variable: `player1`
Dec 14 10:24:38.099 INFO [stderr]   --> src/main.rs:14:9
Dec 14 10:24:38.099 INFO [stderr]    |
Dec 14 10:24:38.099 INFO [stderr] 14 |     let player1 = player::Player::new(&name);
Dec 14 10:24:38.099 INFO [stderr]    |         ^^^^^^^ help: consider using `_player1` instead
Dec 14 10:24:38.099 INFO [stderr] 
Dec 14 10:24:38.099 INFO [stderr] warning: unused variable: `settings`
Dec 14 10:24:38.099 INFO [stderr]   --> src/main.rs:16:9
Dec 14 10:24:38.099 INFO [stderr]    |
Dec 14 10:24:38.099 INFO [stderr] 16 |     let settings = settings::Settings::new(4, 4);
Dec 14 10:24:38.099 INFO [stderr]    |         ^^^^^^^^ help: consider using `_settings` instead
Dec 14 10:24:38.099 INFO [stderr] 
Dec 14 10:24:38.107 INFO [stderr] warning: field is never used: `name`
Dec 14 10:24:38.107 INFO [stderr]  --> src/player.rs:2:5
Dec 14 10:24:38.107 INFO [stderr]   |
Dec 14 10:24:38.107 INFO [stderr] 2 |     name: String,
Dec 14 10:24:38.107 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 14 10:24:38.107 INFO [stderr]   |
Dec 14 10:24:38.107 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 10:24:38.107 INFO [stderr] 
Dec 14 10:24:38.107 INFO [stderr] warning: field is never used: `score`
Dec 14 10:24:38.107 INFO [stderr]  --> src/player.rs:3:5
Dec 14 10:24:38.107 INFO [stderr]   |
Dec 14 10:24:38.107 INFO [stderr] 3 |     score: i32,
Dec 14 10:24:38.107 INFO [stderr]   |     ^^^^^^^^^^
Dec 14 10:24:38.107 INFO [stderr] 
Dec 14 10:24:38.107 INFO [stderr] warning: field is never used: `steps`
Dec 14 10:24:38.107 INFO [stderr]  --> src/player.rs:4:5
Dec 14 10:24:38.107 INFO [stderr]   |
Dec 14 10:24:38.107 INFO [stderr] 4 |     steps: i32,
Dec 14 10:24:38.107 INFO [stderr]   |     ^^^^^^^^^^
Dec 14 10:24:38.107 INFO [stderr] 
Dec 14 10:24:38.107 INFO [stderr] warning: field is never used: `width`
Dec 14 10:24:38.107 INFO [stderr]  --> src/settings.rs:2:5
Dec 14 10:24:38.107 INFO [stderr]   |
Dec 14 10:24:38.107 INFO [stderr] 2 |     width: i16,
Dec 14 10:24:38.107 INFO [stderr]   |     ^^^^^^^^^^
Dec 14 10:24:38.107 INFO [stderr] 
Dec 14 10:24:38.107 INFO [stderr] warning: field is never used: `height`
Dec 14 10:24:38.107 INFO [stderr]  --> src/settings.rs:3:5
Dec 14 10:24:38.107 INFO [stderr]   |
Dec 14 10:24:38.107 INFO [stderr] 3 |     height: i16,
Dec 14 10:24:38.107 INFO [stderr]   |     ^^^^^^^^^^^
Dec 14 10:24:38.107 INFO [stderr] 
Dec 14 10:24:38.107 INFO [stderr] warning: struct is never constructed: `Board`
Dec 14 10:24:38.107 INFO [stderr]  --> src/board.rs:1:1
Dec 14 10:24:38.108 INFO [stderr]   |
Dec 14 10:24:38.108 INFO [stderr] 1 | struct Board;
Dec 14 10:24:38.108 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 14 10:24:38.108 INFO [stderr] 
Dec 14 10:24:38.108 INFO [stderr] warning: struct is never constructed: `tiles`
Dec 14 10:24:38.108 INFO [stderr]  --> src/tiles.rs:1:1
Dec 14 10:24:38.108 INFO [stderr]   |
Dec 14 10:24:38.108 INFO [stderr] 1 | struct tiles;
Dec 14 10:24:38.108 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 14 10:24:38.108 INFO [stderr] 
Dec 14 10:24:38.108 INFO [stderr] warning: type `tiles` should have a camel case name such as `Tiles`
Dec 14 10:24:38.108 INFO [stderr]  --> src/tiles.rs:1:1
Dec 14 10:24:38.108 INFO [stderr]   |
Dec 14 10:24:38.108 INFO [stderr] 1 | struct tiles;
Dec 14 10:24:38.108 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 14 10:24:38.108 INFO [stderr]   |
Dec 14 10:24:38.108 INFO [stderr]   = note: #[warn(non_camel_case_types)] on by default
Dec 14 10:24:38.108 INFO [stderr] 
Dec 14 10:24:38.633 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Dec 14 10:24:38.639 INFO [stderr] su: No module specific data is present
Dec 14 10:24:39.624 INFO running `"docker" "inspect" "7719709d88a6cb83593d5bc44f5e5fdb25c921337b1ccd421998f378dda2f6a0"`
Dec 14 10:24:39.887 INFO running `"docker" "rm" "-f" "7719709d88a6cb83593d5bc44f5e5fdb25c921337b1ccd421998f378dda2f6a0"`
Dec 14 10:24:40.227 INFO [stdout] 7719709d88a6cb83593d5bc44f5e5fdb25c921337b1ccd421998f378dda2f6a0
Dec 14 10:24:40.235 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 14 10:24:40.652 INFO [stdout] d19025a74d919ecd87c8df9e9ca8de15413cd700cf00cd073b55289c9d8ecbef
Dec 14 10:24:40.654 INFO running `"docker" "start" "-a" "d19025a74d919ecd87c8df9e9ca8de15413cd700cf00cd073b55289c9d8ecbef"`
Dec 14 10:24:41.979 INFO [stderr] usermod: no changes
Dec 14 10:24:42.039 INFO [stderr]    Compiling 2048_game v0.1.0 (/source)
Dec 14 10:24:42.699 INFO [stderr] warning: unused import: `std::io`
Dec 14 10:24:42.699 INFO [stderr]  --> src/main.rs:1:5
Dec 14 10:24:42.699 INFO [stderr]   |
Dec 14 10:24:42.699 INFO [stderr] 1 | use std::io;
Dec 14 10:24:42.699 INFO [stderr]   |     ^^^^^^^
Dec 14 10:24:42.699 INFO [stderr]   |
Dec 14 10:24:42.699 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 10:24:42.699 INFO [stderr] 
Dec 14 10:24:42.727 INFO [stderr] warning: unused variable: `choice`
Dec 14 10:24:42.727 INFO [stderr]  --> src/app.rs:6:9
Dec 14 10:24:42.727 INFO [stderr]   |
Dec 14 10:24:42.727 INFO [stderr] 6 |     let choice = console::get_instruction();
Dec 14 10:24:42.727 INFO [stderr]   |         ^^^^^^ help: consider using `_choice` instead
Dec 14 10:24:42.727 INFO [stderr]   |
Dec 14 10:24:42.727 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 10:24:42.727 INFO [stderr] 
Dec 14 10:24:42.727 INFO [stderr] warning: unused variable: `i`
Dec 14 10:24:42.727 INFO [stderr]  --> src/console.rs:2:9
Dec 14 10:24:42.727 INFO [stderr]   |
Dec 14 10:24:42.727 INFO [stderr] 2 |     for i in 0..42 {
Dec 14 10:24:42.727 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 14 10:24:42.727 INFO [stderr] 
Dec 14 10:24:42.727 INFO [stderr] warning: unused variable: `i`
Dec 14 10:24:42.727 INFO [stderr]  --> src/console.rs:6:9
Dec 14 10:24:42.727 INFO [stderr]   |
Dec 14 10:24:42.727 INFO [stderr] 6 |     for i in 0..42 {
Dec 14 10:24:42.727 INFO [stderr]   |         ^ help: consider using `_i` instead
Dec 14 10:24:42.727 INFO [stderr] 
Dec 14 10:24:42.727 INFO [stderr] warning: unused variable: `player1`
Dec 14 10:24:42.727 INFO [stderr]   --> src/main.rs:14:9
Dec 14 10:24:42.727 INFO [stderr]    |
Dec 14 10:24:42.727 INFO [stderr] 14 |     let player1 = player::Player::new(&name);
Dec 14 10:24:42.727 INFO [stderr]    |         ^^^^^^^ help: consider using `_player1` instead
Dec 14 10:24:42.727 INFO [stderr] 
Dec 14 10:24:42.727 INFO [stderr] warning: unused variable: `settings`
Dec 14 10:24:42.727 INFO [stderr]   --> src/main.rs:16:9
Dec 14 10:24:42.727 INFO [stderr]    |
Dec 14 10:24:42.727 INFO [stderr] 16 |     let settings = settings::Settings::new(4, 4);
Dec 14 10:24:42.727 INFO [stderr]    |         ^^^^^^^^ help: consider using `_settings` instead
Dec 14 10:24:42.727 INFO [stderr] 
Dec 14 10:24:42.730 INFO [stderr] warning: field is never used: `name`
Dec 14 10:24:42.730 INFO [stderr]  --> src/player.rs:2:5
Dec 14 10:24:42.730 INFO [stderr]   |
Dec 14 10:24:42.730 INFO [stderr] 2 |     name: String,
Dec 14 10:24:42.730 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 14 10:24:42.730 INFO [stderr]   |
Dec 14 10:24:42.731 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 10:24:42.731 INFO [stderr] 
Dec 14 10:24:42.731 INFO [stderr] warning: field is never used: `score`
Dec 14 10:24:42.731 INFO [stderr]  --> src/player.rs:3:5
Dec 14 10:24:42.731 INFO [stderr]   |
Dec 14 10:24:42.731 INFO [stderr] 3 |     score: i32,
Dec 14 10:24:42.731 INFO [stderr]   |     ^^^^^^^^^^
Dec 14 10:24:42.731 INFO [stderr] 
Dec 14 10:24:42.731 INFO [stderr] warning: field is never used: `steps`
Dec 14 10:24:42.731 INFO [stderr]  --> src/player.rs:4:5
Dec 14 10:24:42.731 INFO [stderr]   |
Dec 14 10:24:42.731 INFO [stderr] 4 |     steps: i32,
Dec 14 10:24:42.731 INFO [stderr]   |     ^^^^^^^^^^
Dec 14 10:24:42.731 INFO [stderr] 
Dec 14 10:24:42.731 INFO [stderr] warning: field is never used: `width`
Dec 14 10:24:42.731 INFO [stderr]  --> src/settings.rs:2:5
Dec 14 10:24:42.731 INFO [stderr]   |
Dec 14 10:24:42.731 INFO [stderr] 2 |     width: i16,
Dec 14 10:24:42.731 INFO [stderr]   |     ^^^^^^^^^^
Dec 14 10:24:42.731 INFO [stderr] 
Dec 14 10:24:42.731 INFO [stderr] warning: field is never used: `height`
Dec 14 10:24:42.731 INFO [stderr]  --> src/settings.rs:3:5
Dec 14 10:24:42.731 INFO [stderr]   |
Dec 14 10:24:42.731 INFO [stderr] 3 |     height: i16,
Dec 14 10:24:42.731 INFO [stderr]   |     ^^^^^^^^^^^
Dec 14 10:24:42.731 INFO [stderr] 
Dec 14 10:24:42.731 INFO [stderr] warning: struct is never constructed: `Board`
Dec 14 10:24:42.731 INFO [stderr]  --> src/board.rs:1:1
Dec 14 10:24:42.731 INFO [stderr]   |
Dec 14 10:24:42.731 INFO [stderr] 1 | struct Board;
Dec 14 10:24:42.731 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 14 10:24:42.731 INFO [stderr] 
Dec 14 10:24:42.731 INFO [stderr] warning: struct is never constructed: `tiles`
Dec 14 10:24:42.731 INFO [stderr]  --> src/tiles.rs:1:1
Dec 14 10:24:42.731 INFO [stderr]   |
Dec 14 10:24:42.731 INFO [stderr] 1 | struct tiles;
Dec 14 10:24:42.731 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 14 10:24:42.731 INFO [stderr] 
Dec 14 10:24:42.731 INFO [stderr] warning: type `tiles` should have a camel case name such as `Tiles`
Dec 14 10:24:42.731 INFO [stderr]  --> src/tiles.rs:1:1
Dec 14 10:24:42.731 INFO [stderr]   |
Dec 14 10:24:42.731 INFO [stderr] 1 | struct tiles;
Dec 14 10:24:42.731 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 14 10:24:42.731 INFO [stderr]   |
Dec 14 10:24:42.731 INFO [stderr]   = note: #[warn(non_camel_case_types)] on by default
Dec 14 10:24:42.731 INFO [stderr] 
Dec 14 10:24:43.117 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 14 10:24:43.119 INFO [stderr] su: No module specific data is present
Dec 14 10:24:43.815 INFO running `"docker" "inspect" "d19025a74d919ecd87c8df9e9ca8de15413cd700cf00cd073b55289c9d8ecbef"`
Dec 14 10:24:44.029 INFO running `"docker" "rm" "-f" "d19025a74d919ecd87c8df9e9ca8de15413cd700cf00cd073b55289c9d8ecbef"`
Dec 14 10:24:44.222 INFO [stdout] d19025a74d919ecd87c8df9e9ca8de15413cd700cf00cd073b55289c9d8ecbef
Dec 14 10:24:44.224 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 14 10:24:44.491 INFO [stdout] ed920403eb8f47b1b67203f2308353b9e25340afffdef81fcbadb23cea3b4ecf
Dec 14 10:24:44.497 INFO running `"docker" "start" "-a" "ed920403eb8f47b1b67203f2308353b9e25340afffdef81fcbadb23cea3b4ecf"`
Dec 14 10:24:44.874 INFO [stderr] usermod: no changes
Dec 14 10:24:44.906 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 10:24:44.906 INFO [stderr]      Running /target/debug/deps/2048_game-3507ab89985fe604
Dec 14 10:24:44.907 INFO [stdout] 
Dec 14 10:24:44.907 INFO [stdout] running 0 tests
Dec 14 10:24:44.907 INFO [stdout] 
Dec 14 10:24:44.907 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 10:24:44.907 INFO [stdout] 
Dec 14 10:24:44.909 INFO [stderr] su: No module specific data is present
Dec 14 10:24:45.255 INFO running `"docker" "inspect" "ed920403eb8f47b1b67203f2308353b9e25340afffdef81fcbadb23cea3b4ecf"`
Dec 14 10:24:45.359 INFO running `"docker" "rm" "-f" "ed920403eb8f47b1b67203f2308353b9e25340afffdef81fcbadb23cea3b4ecf"`
Dec 14 10:24:45.429 INFO [stdout] ed920403eb8f47b1b67203f2308353b9e25340afffdef81fcbadb23cea3b4ecf