[INFO] cloning repository https://github.com/tomvidm/rust-sudoku-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomvidm/rust-sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomvidm%2Frust-sudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomvidm%2Frust-sudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9778d53891d8a991798dcffb2afeb743bbc9da94
[INFO] testing tomvidm/rust-sudoku-solver against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomvidm%2Frust-sudoku-solver" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomvidm/rust-sudoku-solver on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomvidm/rust-sudoku-solver
[INFO] finished tweaking git repo https://github.com/tomvidm/rust-sudoku-solver
[INFO] tweaked toml for git repo https://github.com/tomvidm/rust-sudoku-solver written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tomvidm/rust-sudoku-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.73
[INFO] [stderr]   Downloaded serde_derive v1.0.73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa2a5a2e5869ac36d52a1532d4a27af6096c77e025c6edada2891c1b861e864e
[INFO] running `Command { std: "docker" "start" "-a" "aa2a5a2e5869ac36d52a1532d4a27af6096c77e025c6edada2891c1b861e864e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa2a5a2e5869ac36d52a1532d4a27af6096c77e025c6edada2891c1b861e864e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2a5a2e5869ac36d52a1532d4a27af6096c77e025c6edada2891c1b861e864e", kill_on_drop: false }`
[INFO] [stdout] aa2a5a2e5869ac36d52a1532d4a27af6096c77e025c6edada2891c1b861e864e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63133788287dbe266c41e9adff605d8c59c1bbd843a47227309c3b2419b67286
[INFO] running `Command { std: "docker" "start" "-a" "63133788287dbe266c41e9adff605d8c59c1bbd843a47227309c3b2419b67286", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.73
[INFO] [stderr]    Compiling ryu v0.2.4
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_derive v1.0.73
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/su/board.rs:100:29
[INFO] [stdout]     |
[INFO] [stdout] 100 |         self.allowed_in_row[(row as usize)][(value as usize) - 1]
[INFO] [stdout]     |                             ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 100 -         self.allowed_in_row[(row as usize)][(value as usize) - 1]
[INFO] [stdout] 100 +         self.allowed_in_row[row as usize][(value as usize) - 1]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/su/board.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 |         self.allowed_in_col[(col as usize)][(value as usize) - 1]
[INFO] [stdout]     |                             ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 104 -         self.allowed_in_col[(col as usize)][(value as usize) - 1]
[INFO] [stdout] 104 +         self.allowed_in_col[col as usize][(value as usize) - 1]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/su/board.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |         self.allowed_in_square[(square as usize)][(value as usize) - 1]
[INFO] [stdout]     |                                ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 -         self.allowed_in_square[(square as usize)][(value as usize) - 1]
[INFO] [stdout] 108 +         self.allowed_in_square[square as usize][(value as usize) - 1]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coord`
[INFO] [stdout]   --> src/su/board.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 let coord = Coord::new(r, c);
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_coord`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_entry`
[INFO] [stdout]    --> src/su/board.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 174 |             let old_entry = Move::new_from_coord_and_value(coord, old_value);
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `raw_board_struct`
[INFO] [stdout]   --> src/su/sugame.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let raw_board_struct = raw_board.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_raw_board_struct`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let board = su::Board::new();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/su/sugame.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct RawBoard {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] 9 |     data: [[i8; 9]; 9]
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Game` is never constructed
[INFO] [stdout]   --> src/su/sugame.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Game {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `test_game` is never used
[INFO] [stdout]   --> src/su/sugame.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn test_game() -> Option<Game> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.46s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "63133788287dbe266c41e9adff605d8c59c1bbd843a47227309c3b2419b67286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63133788287dbe266c41e9adff605d8c59c1bbd843a47227309c3b2419b67286", kill_on_drop: false }`
[INFO] [stdout] 63133788287dbe266c41e9adff605d8c59c1bbd843a47227309c3b2419b67286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf6e087ba32926436c775d2ace6975401c10aa51a674ebd54a5b753e9ff00ff6
[INFO] running `Command { std: "docker" "start" "-a" "bf6e087ba32926436c775d2ace6975401c10aa51a674ebd54a5b753e9ff00ff6", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/su/board.rs:100:29
[INFO] [stdout]     |
[INFO] [stdout] 100 |         self.allowed_in_row[(row as usize)][(value as usize) - 1]
[INFO] [stdout]     |                             ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 100 -         self.allowed_in_row[(row as usize)][(value as usize) - 1]
[INFO] [stdout] 100 +         self.allowed_in_row[row as usize][(value as usize) - 1]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/su/board.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 |         self.allowed_in_col[(col as usize)][(value as usize) - 1]
[INFO] [stdout]     |                             ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 104 -         self.allowed_in_col[(col as usize)][(value as usize) - 1]
[INFO] [stdout] 104 +         self.allowed_in_col[col as usize][(value as usize) - 1]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/su/board.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |         self.allowed_in_square[(square as usize)][(value as usize) - 1]
[INFO] [stdout]     |                                ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 -         self.allowed_in_square[(square as usize)][(value as usize) - 1]
[INFO] [stdout] 108 +         self.allowed_in_square[square as usize][(value as usize) - 1]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coord`
[INFO] [stdout]   --> src/su/board.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 let coord = Coord::new(r, c);
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_coord`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_entry`
[INFO] [stdout]    --> src/su/board.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 174 |             let old_entry = Move::new_from_coord_and_value(coord, old_value);
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/su/board.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut board = Board::new_from_array(valid_raw_board);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `raw_board_struct`
[INFO] [stdout]   --> src/su/sugame.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let raw_board_struct = raw_board.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_raw_board_struct`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]   --> src/su/sugame.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let game = Game::test_game();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let board = su::Board::new();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/su/board.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut board = Board::new_from_array(valid_raw_board);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/su/sugame.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct RawBoard {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] 9 |     data: [[i8; 9]; 9]
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `board` is never read
[INFO] [stdout]   --> src/su/sugame.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Game {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 13 |     board: Board,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "bf6e087ba32926436c775d2ace6975401c10aa51a674ebd54a5b753e9ff00ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf6e087ba32926436c775d2ace6975401c10aa51a674ebd54a5b753e9ff00ff6", kill_on_drop: false }`
[INFO] [stdout] bf6e087ba32926436c775d2ace6975401c10aa51a674ebd54a5b753e9ff00ff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb4c5c34fadae722e28aaa101c7eb462ee1037c9d8c3b744a2f8fa440d7338ce
[INFO] running `Command { std: "docker" "start" "-a" "bb4c5c34fadae722e28aaa101c7eb462ee1037c9d8c3b744a2f8fa440d7338ce", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/su/board.rs:100:29
[INFO] [stderr]     |
[INFO] [stderr] 100 |         self.allowed_in_row[(row as usize)][(value as usize) - 1]
[INFO] [stderr]     |                             ^            ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 100 -         self.allowed_in_row[(row as usize)][(value as usize) - 1]
[INFO] [stderr] 100 +         self.allowed_in_row[row as usize][(value as usize) - 1]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/su/board.rs:104:29
[INFO] [stderr]     |
[INFO] [stderr] 104 |         self.allowed_in_col[(col as usize)][(value as usize) - 1]
[INFO] [stderr]     |                             ^            ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 104 -         self.allowed_in_col[(col as usize)][(value as usize) - 1]
[INFO] [stderr] 104 +         self.allowed_in_col[col as usize][(value as usize) - 1]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/su/board.rs:108:32
[INFO] [stderr]     |
[INFO] [stderr] 108 |         self.allowed_in_square[(square as usize)][(value as usize) - 1]
[INFO] [stderr]     |                                ^               ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 108 -         self.allowed_in_square[(square as usize)][(value as usize) - 1]
[INFO] [stderr] 108 +         self.allowed_in_square[square as usize][(value as usize) - 1]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coord`
[INFO] [stderr]   --> src/su/board.rs:80:21
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let coord = Coord::new(r, c);
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_coord`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `old_entry`
[INFO] [stderr]    --> src/su/board.rs:174:17
[INFO] [stderr]     |
[INFO] [stderr] 174 |             let old_entry = Move::new_from_coord_and_value(coord, old_value);
[INFO] [stderr]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/su/board.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |     let mut board = Board::new_from_array(valid_raw_board);
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `raw_board_struct`
[INFO] [stderr]   --> src/su/sugame.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let raw_board_struct = raw_board.clone();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_raw_board_struct`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `game`
[INFO] [stderr]   --> src/su/sugame.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let game = Game::test_game();
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let board = su::Board::new();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/su/board.rs:205:9
[INFO] [stderr]     |
[INFO] [stderr] 205 |     let mut board = Board::new_from_array(valid_raw_board);
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `data` is never read
[INFO] [stderr]  --> src/su/sugame.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct RawBoard {
[INFO] [stderr]   |        -------- field in this struct
[INFO] [stderr] 9 |     data: [[i8; 9]; 9]
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `board` is never read
[INFO] [stderr]   --> src/su/sugame.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Game {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 13 |     board: Board,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku` (bin "sudoku" test) generated 12 warnings (run `cargo fix --bin "sudoku" --tests` to apply 10 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku-68cb6e5f331cb159)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test su::board::test_valid_board ... ok
[INFO] [stdout] test su::sugame::test_this ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--bin sudoku`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- su::sugame::test_this stdout ----
[INFO] [stdout] [[1,0,0,0,0,0,0,0,0],[0,2,0,0,0,0,0,0,0],[0,0,3,0,0,0,0,0,0],[0,0,0,4,0,0,0,0,0],[0,0,0,0,5,0,0,0,0],[0,0,0,0,0,6,0,0,0],[0,0,0,0,0,0,7,0,0],[0,0,0,0,0,0,0,8,0],[0,0,0,0,0,0,0,0,9]]
[INFO] [stdout] thread 'su::sugame::test_this' panicked at 'assertion failed: false', src/su/sugame.rs:51:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556b417c8cba - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x556b417c8cba - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556b417c8cba - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x556b417c8cba - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x556b417ec34e - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x556b417c6135 - std::io::Write::write_fmt::h478f79c628ef31d1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x556b417c8a85 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x556b417c8a85 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x556b417ca84f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x556b417ca50f - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:287:9
[INFO] [stdout]   10:     0x556b417986d7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdf1b89dd137ece34
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   11:     0x556b417986d7 - test::test_main::{{closure}}::h9081a79f20e75698
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:135:21
[INFO] [stdout]   12:     0x556b417caf7d - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6507bddc3eebb4a5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   13:     0x556b417caf7d - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:696:13
[INFO] [stdout]   14:     0x556b417cacb2 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:581:13
[INFO] [stdout]   15:     0x556b417c9126 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x556b417caa02 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   17:     0x556b41764b83 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   18:     0x556b41764c1d - core::panicking::panic::h9533b2fee90b999e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:114:5
[INFO] [stdout]   19:     0x556b4176935b - sudoku::su::sugame::test_this::h010bf50018222a83
[INFO] [stdout]                                at /opt/rustwide/workdir/src/su/sugame.rs:51:5
[INFO] [stdout]   20:     0x556b41769317 - sudoku::su::sugame::test_this::{{closure}}::h60eb42e5f0cced94
[INFO] [stdout]                                at /opt/rustwide/workdir/src/su/sugame.rs:48:16
[INFO] [stdout]   21:     0x556b41766e35 - core::ops::function::FnOnce::call_once::h235991f747d00bd4
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x556b4179dabf - core::ops::function::FnOnce::call_once::h7d969581be7d0075
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x556b4179dabf - test::__rust_begin_short_backtrace::hca25a52684e56655
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:656:18
[INFO] [stdout]   24:     0x556b4176f0dc - test::run_test::{{closure}}::ha8ac744c4af1a4bb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:647:30
[INFO] [stdout]   25:     0x556b4176f0dc - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7b411a9ed45bdecf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x556b4179ca86 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd05328869a8ed200
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   27:     0x556b4179ca86 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0c601ce20bd5b2be
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   28:     0x556b4179ca86 - std::panicking::try::do_call::ha4be5c164fe30854
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   29:     0x556b4179ca86 - std::panicking::try::h604546f3609af05f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   30:     0x556b4179ca86 - std::panic::catch_unwind::h5bfa8afe44c9c2f9
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   31:     0x556b4179ca86 - test::run_test_in_process::hd50dee55dd63e6aa
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:679:27
[INFO] [stdout]   32:     0x556b4179ca86 - test::run_test::run_test_inner::{{closure}}::h4aa0f433aa85cea8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:573:39
[INFO] [stdout]   33:     0x556b41769751 - test::run_test::run_test_inner::{{closure}}::had56431adf24b4d6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:600:37
[INFO] [stdout]   34:     0x556b41769751 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha8d9890e0c73bf13
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   35:     0x556b4176f16b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h251832bcb4a95327
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:560:17
[INFO] [stdout]   36:     0x556b4176f16b - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8fdff598fa414831
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   37:     0x556b4176f16b - std::panicking::try::do_call::h455dd2f7764a950f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   38:     0x556b4176f16b - std::panicking::try::had6f23b7b73ae72a
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   39:     0x556b4176f16b - std::panic::catch_unwind::ha6a5ca3915b4dad0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   40:     0x556b4176f16b - std::thread::Builder::spawn_unchecked_::{{closure}}::h883b72ef75da6231
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   41:     0x556b4176f16b - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb7dff73dc8bd2ccb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x556b417cf2e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h39990b24eedef2ab
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   43:     0x556b417cf2e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h01a027258444143b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   44:     0x556b417cf2e3 - std::sys::unix::thread::Thread::new::thread_start::ha4f1cdd9c25884ba
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7faf5022cb43 - <unknown>
[INFO] [stdout]   46:     0x7faf502bdbb4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     su::sugame::test_this
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb4c5c34fadae722e28aaa101c7eb462ee1037c9d8c3b744a2f8fa440d7338ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4c5c34fadae722e28aaa101c7eb462ee1037c9d8c3b744a2f8fa440d7338ce", kill_on_drop: false }`
[INFO] [stdout] bb4c5c34fadae722e28aaa101c7eb462ee1037c9d8c3b744a2f8fa440d7338ce
