Nov 16 10:22:58.361 INFO testing tomvidm/rust-sudoku-solver against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 10:22:58.361 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 10:22:58.650 INFO [stdout] 5e3aa8ca5eaa3a0a55bc73031e237d3e5c9a4d042776fa53c930caad23825fcd
Nov 16 10:22:58.655 INFO running `"docker" "start" "-a" "5e3aa8ca5eaa3a0a55bc73031e237d3e5c9a4d042776fa53c930caad23825fcd"`
Nov 16 10:22:59.323 INFO [stderr] usermod: no changes
Nov 16 10:22:59.398 INFO [stderr]    Compiling proc-macro2 v0.4.13
Nov 16 10:22:59.403 INFO [stderr]    Compiling serde v1.0.73
Nov 16 10:22:59.403 INFO [stderr]    Compiling ryu v0.2.4
Nov 16 10:22:59.403 INFO [stderr]    Compiling itoa v0.4.2
Nov 16 10:23:05.212 INFO [stderr]    Compiling quote v0.6.8
Nov 16 10:23:06.445 INFO [stderr]    Compiling syn v0.14.9
Nov 16 10:23:19.146 INFO [stderr]    Compiling serde_derive v1.0.73
Nov 16 10:23:26.151 INFO [stderr]    Compiling serde_json v1.0.26
Nov 16 10:23:39.971 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Nov 16 10:23:40.347 INFO [stderr] warning: unused variable: `board`
Nov 16 10:23:40.347 INFO [stderr]   --> src/main.rs:10:9
Nov 16 10:23:40.347 INFO [stderr]    |
Nov 16 10:23:40.347 INFO [stderr] 10 |     let board = su::Board::new();
Nov 16 10:23:40.347 INFO [stderr]    |         ^^^^^ help: consider using `_board` instead
Nov 16 10:23:40.347 INFO [stderr]    |
Nov 16 10:23:40.347 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 10:23:40.347 INFO [stderr] 
Nov 16 10:23:40.347 INFO [stderr] warning: unused variable: `coord`
Nov 16 10:23:40.347 INFO [stderr]   --> src/su/board.rs:80:21
Nov 16 10:23:40.347 INFO [stderr]    |
Nov 16 10:23:40.347 INFO [stderr] 80 |                 let coord = Coord::new(r, c);
Nov 16 10:23:40.347 INFO [stderr]    |                     ^^^^^ help: consider using `_coord` instead
Nov 16 10:23:40.347 INFO [stderr] 
Nov 16 10:23:40.347 INFO [stderr] warning: unused variable: `old_entry`
Nov 16 10:23:40.347 INFO [stderr]    --> src/su/board.rs:174:17
Nov 16 10:23:40.347 INFO [stderr]     |
Nov 16 10:23:40.347 INFO [stderr] 174 |             let old_entry = Move::new_from_coord_and_value(coord, old_value);
Nov 16 10:23:40.347 INFO [stderr]     |                 ^^^^^^^^^ help: consider using `_old_entry` instead
Nov 16 10:23:40.347 INFO [stderr] 
Nov 16 10:23:40.347 INFO [stderr] warning: unused variable: `raw_board_struct`
Nov 16 10:23:40.347 INFO [stderr]   --> src/su/sugame.rs:31:13
Nov 16 10:23:40.347 INFO [stderr]    |
Nov 16 10:23:40.347 INFO [stderr] 31 |         let raw_board_struct = raw_board.clone();
Nov 16 10:23:40.347 INFO [stderr]    |             ^^^^^^^^^^^^^^^^ help: consider using `_raw_board_struct` instead
Nov 16 10:23:40.347 INFO [stderr] 
Nov 16 10:23:40.387 INFO [stderr] warning: field is never used: `data`
Nov 16 10:23:40.387 INFO [stderr]  --> src/su/sugame.rs:9:5
Nov 16 10:23:40.387 INFO [stderr]   |
Nov 16 10:23:40.387 INFO [stderr] 9 |     data: [[i8; 9]; 9]
Nov 16 10:23:40.387 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 16 10:23:40.387 INFO [stderr]   |
Nov 16 10:23:40.387 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 10:23:40.387 INFO [stderr] 
Nov 16 10:23:40.387 INFO [stderr] warning: struct is never constructed: `Game`
Nov 16 10:23:40.387 INFO [stderr]   --> src/su/sugame.rs:12:1
Nov 16 10:23:40.387 INFO [stderr]    |
Nov 16 10:23:40.387 INFO [stderr] 12 | pub struct Game {
Nov 16 10:23:40.387 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 16 10:23:40.387 INFO [stderr] 
Nov 16 10:23:40.387 INFO [stderr] warning: method is never used: `test_game`
Nov 16 10:23:40.387 INFO [stderr]   --> src/su/sugame.rs:17:5
Nov 16 10:23:40.387 INFO [stderr]    |
Nov 16 10:23:40.387 INFO [stderr] 17 |     fn test_game() -> Option<Game> {
Nov 16 10:23:40.387 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 10:23:40.387 INFO [stderr] 
Nov 16 10:23:40.815 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.46s
Nov 16 10:23:40.823 INFO [stderr] su: No module specific data is present
Nov 16 10:23:42.031 INFO running `"docker" "inspect" "5e3aa8ca5eaa3a0a55bc73031e237d3e5c9a4d042776fa53c930caad23825fcd"`
Nov 16 10:23:42.421 INFO running `"docker" "rm" "-f" "5e3aa8ca5eaa3a0a55bc73031e237d3e5c9a4d042776fa53c930caad23825fcd"`
Nov 16 10:23:42.895 INFO [stdout] 5e3aa8ca5eaa3a0a55bc73031e237d3e5c9a4d042776fa53c930caad23825fcd
Nov 16 10:23:42.899 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 10:23:43.552 INFO [stdout] 22be5930358721ad23453e6f870ddd12a928c9fb14628a10069b83875ef43d3e
Nov 16 10:23:43.555 INFO running `"docker" "start" "-a" "22be5930358721ad23453e6f870ddd12a928c9fb14628a10069b83875ef43d3e"`
Nov 16 10:23:45.631 INFO [stderr] usermod: no changes
Nov 16 10:23:45.764 INFO [stderr]    Compiling sudoku v0.1.0 (/source)
Nov 16 10:23:46.179 INFO [stderr] warning: unused variable: `board`
Nov 16 10:23:46.179 INFO [stderr]   --> src/main.rs:10:9
Nov 16 10:23:46.179 INFO [stderr]    |
Nov 16 10:23:46.179 INFO [stderr] 10 |     let board = su::Board::new();
Nov 16 10:23:46.179 INFO [stderr]    |         ^^^^^ help: consider using `_board` instead
Nov 16 10:23:46.179 INFO [stderr]    |
Nov 16 10:23:46.179 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 10:23:46.179 INFO [stderr] 
Nov 16 10:23:46.179 INFO [stderr] warning: unused variable: `board`
Nov 16 10:23:46.179 INFO [stderr]    --> src/su/board.rs:205:13
Nov 16 10:23:46.179 INFO [stderr]     |
Nov 16 10:23:46.179 INFO [stderr] 205 |     let mut board = Board::new_from_array(valid_raw_board);
Nov 16 10:23:46.179 INFO [stderr]     |             ^^^^^ help: consider using `_board` instead
Nov 16 10:23:46.179 INFO [stderr] 
Nov 16 10:23:46.179 INFO [stderr] warning: unused variable: `game`
Nov 16 10:23:46.179 INFO [stderr]   --> src/su/sugame.rs:49:9
Nov 16 10:23:46.179 INFO [stderr]    |
Nov 16 10:23:46.179 INFO [stderr] 49 |     let game = Game::test_game();
Nov 16 10:23:46.179 INFO [stderr]    |         ^^^^ help: consider using `_game` instead
Nov 16 10:23:46.179 INFO [stderr] 
Nov 16 10:23:46.179 INFO [stderr] warning: unused variable: `coord`
Nov 16 10:23:46.179 INFO [stderr]   --> src/su/board.rs:80:21
Nov 16 10:23:46.179 INFO [stderr]    |
Nov 16 10:23:46.179 INFO [stderr] 80 |                 let coord = Coord::new(r, c);
Nov 16 10:23:46.179 INFO [stderr]    |                     ^^^^^ help: consider using `_coord` instead
Nov 16 10:23:46.179 INFO [stderr] 
Nov 16 10:23:46.179 INFO [stderr] warning: unused variable: `old_entry`
Nov 16 10:23:46.179 INFO [stderr]    --> src/su/board.rs:174:17
Nov 16 10:23:46.179 INFO [stderr]     |
Nov 16 10:23:46.179 INFO [stderr] 174 |             let old_entry = Move::new_from_coord_and_value(coord, old_value);
Nov 16 10:23:46.179 INFO [stderr]     |                 ^^^^^^^^^ help: consider using `_old_entry` instead
Nov 16 10:23:46.179 INFO [stderr] 
Nov 16 10:23:46.179 INFO [stderr] warning: unused variable: `raw_board_struct`
Nov 16 10:23:46.179 INFO [stderr]   --> src/su/sugame.rs:31:13
Nov 16 10:23:46.179 INFO [stderr]    |
Nov 16 10:23:46.179 INFO [stderr] 31 |         let raw_board_struct = raw_board.clone();
Nov 16 10:23:46.180 INFO [stderr]    |             ^^^^^^^^^^^^^^^^ help: consider using `_raw_board_struct` instead
Nov 16 10:23:46.180 INFO [stderr] 
Nov 16 10:23:46.192 INFO [stderr] warning: variable does not need to be mutable
Nov 16 10:23:46.192 INFO [stderr]    --> src/su/board.rs:205:9
Nov 16 10:23:46.192 INFO [stderr]     |
Nov 16 10:23:46.192 INFO [stderr] 205 |     let mut board = Board::new_from_array(valid_raw_board);
Nov 16 10:23:46.192 INFO [stderr]     |         ----^^^^^
Nov 16 10:23:46.192 INFO [stderr]     |         |
Nov 16 10:23:46.192 INFO [stderr]     |         help: remove this `mut`
Nov 16 10:23:46.192 INFO [stderr]     |
Nov 16 10:23:46.192 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 10:23:46.192 INFO [stderr] 
Nov 16 10:23:46.224 INFO [stderr] warning: field is never used: `data`
Nov 16 10:23:46.224 INFO [stderr]  --> src/su/sugame.rs:9:5
Nov 16 10:23:46.224 INFO [stderr]   |
Nov 16 10:23:46.224 INFO [stderr] 9 |     data: [[i8; 9]; 9]
Nov 16 10:23:46.224 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 16 10:23:46.224 INFO [stderr]   |
Nov 16 10:23:46.224 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 10:23:46.224 INFO [stderr] 
Nov 16 10:23:46.224 INFO [stderr] warning: field is never used: `board`
Nov 16 10:23:46.226 INFO [stderr]   --> src/su/sugame.rs:13:5
Nov 16 10:23:46.226 INFO [stderr]    |
Nov 16 10:23:46.226 INFO [stderr] 13 |     board: Board,
Nov 16 10:23:46.226 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 16 10:23:46.226 INFO [stderr] 
Nov 16 10:23:47.016 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
Nov 16 10:23:47.039 INFO [stderr] su: No module specific data is present
Nov 16 10:23:48.360 INFO running `"docker" "inspect" "22be5930358721ad23453e6f870ddd12a928c9fb14628a10069b83875ef43d3e"`
Nov 16 10:23:48.738 INFO running `"docker" "rm" "-f" "22be5930358721ad23453e6f870ddd12a928c9fb14628a10069b83875ef43d3e"`
Nov 16 10:23:49.071 INFO [stdout] 22be5930358721ad23453e6f870ddd12a928c9fb14628a10069b83875ef43d3e