[INFO] updating cached repository venil7/rust-minimax
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/venil7/rust-minimax
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/venil7/rust-minimax" "work/ex/clippy-test-run/sources/stable/gh/venil7/rust-minimax"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/venil7/rust-minimax'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/venil7/rust-minimax" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/venil7/rust-minimax"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/venil7/rust-minimax'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a0791ab116fdac8a7a1634d97b3c8d06ecd86179
[INFO] sha for GitHub repo venil7/rust-minimax: a0791ab116fdac8a7a1634d97b3c8d06ecd86179
[INFO] validating manifest of venil7/rust-minimax on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of venil7/rust-minimax on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing venil7/rust-minimax
[INFO] finished frobbing venil7/rust-minimax
[INFO] frobbed toml for venil7/rust-minimax written to work/ex/clippy-test-run/sources/stable/gh/venil7/rust-minimax/Cargo.toml
[INFO] started frobbing venil7/rust-minimax
[INFO] finished frobbing venil7/rust-minimax
[INFO] frobbed toml for venil7/rust-minimax written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/venil7/rust-minimax/Cargo.toml
[INFO] crate venil7/rust-minimax has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting venil7/rust-minimax against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/venil7/rust-minimax:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 99284af8d48588d9c606ccab56aaf2bcfde0383048fcbe965614bef334ed4732
[INFO] running `"docker" "start" "-a" "99284af8d48588d9c606ccab56aaf2bcfde0383048fcbe965614bef334ed4732"`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.29
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.29
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.29
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.29
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.29
[INFO] [stderr]     Checking js-sys v0.3.6
[INFO] [stderr]     Checking darkruby-tictactoe v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/board.rs:33:21
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     fields: fields,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^ help: replace it with: `fields`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/eval.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |             position: position,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `position`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/eval.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |             score: score,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `score`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/eval.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         write!(f, "pos: {},score: {}\n", self.position, self.score)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/board.rs:33:21
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     fields: fields,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^ help: replace it with: `fields`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/eval.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |             position: position,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `position`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/eval.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |             score: score,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `score`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/eval.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         write!(f, "pos: {},score: {}\n", self.position, self.score)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 | /         return match state {
[INFO] [stderr] 102 | |             State {
[INFO] [stderr] 103 | |                 game_over: true,
[INFO] [stderr] 104 | |                 winner: Player::CPU,
[INFO] [stderr] ...   |
[INFO] [stderr] 150 | |             }
[INFO] [stderr] 151 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 101 |         match state {
[INFO] [stderr] 102 |             State {
[INFO] [stderr] 103 |                 game_over: true,
[INFO] [stderr] 104 |                 winner: Player::CPU,
[INFO] [stderr] 105 |                 ..
[INFO] [stderr] 106 |             } => Eval {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 | /         return match state {
[INFO] [stderr] 102 | |             State {
[INFO] [stderr] 103 | |                 game_over: true,
[INFO] [stderr] 104 | |                 winner: Player::CPU,
[INFO] [stderr] ...   |
[INFO] [stderr] 150 | |             }
[INFO] [stderr] 151 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 101 |         match state {
[INFO] [stderr] 102 |             State {
[INFO] [stderr] 103 |                 game_over: true,
[INFO] [stderr] 104 |                 winner: Player::CPU,
[INFO] [stderr] 105 |                 ..
[INFO] [stderr] 106 |             } => Eval {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/field.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn reverse(&self) -> Field {
[INFO] [stderr]    |                    ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/field.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | /         match self {
[INFO] [stderr] 16 | |             &Field::Nought => Field::Cross,
[INFO] [stderr] 17 | |             &Field::Cross => Field::Nought,
[INFO] [stderr] 18 | |             _ => panic!("Cant reverese empty"),
[INFO] [stderr] 19 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 15 |         match *self {
[INFO] [stderr] 16 |             Field::Nought => Field::Cross,
[INFO] [stderr] 17 |             Field::Cross => Field::Nought,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/field.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | /         match self {
[INFO] [stderr] 26 | |             &Field::Empty => write!(f, "[ ]"),
[INFO] [stderr] 27 | |             &Field::Nought => write!(f, "[0]"),
[INFO] [stderr] 28 | |             &Field::Cross => write!(f, "[X]"),
[INFO] [stderr] 29 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 25 |         match *self {
[INFO] [stderr] 26 |             Field::Empty => write!(f, "[ ]"),
[INFO] [stderr] 27 |             Field::Nought => write!(f, "[0]"),
[INFO] [stderr] 28 |             Field::Cross => write!(f, "[X]"),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `board::Board`
[INFO] [stderr]   --> src/board.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     pub fn new() -> Board {
[INFO] [stderr] 17 | |         Board {
[INFO] [stderr] 18 | |             fields: [Field::Empty; LENGTH],
[INFO] [stderr] 19 | |             last_move: (0 - 1) as u8,
[INFO] [stderr] 20 | |         }
[INFO] [stderr] 21 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl Default for board::Board {
[INFO] [stderr] 16 |     fn default() -> Self {
[INFO] [stderr] 17 |         Self::new()
[INFO] [stderr] 18 |     }
[INFO] [stderr] 19 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/board.rs:28:26
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut fields = self.fields.clone();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.fields`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/board.rs:60:34
[INFO] [stderr]    |
[INFO] [stderr] 60 |         for comb in combinations.into_iter() {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::into_iter_on_array)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/board.rs:92:12
[INFO] [stderr]    |
[INFO] [stderr] 92 |         if state.possible_moves.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `state.possible_moves.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/player.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | /         match self {
[INFO] [stderr] 16 | |             &Player::None => write!(f, "None"),
[INFO] [stderr] 17 | |             &Player::CPU => write!(f, "CPU"),
[INFO] [stderr] 18 | |             &Player::Human => write!(f, "Human"),
[INFO] [stderr] 19 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 15 |         match *self {
[INFO] [stderr] 16 |             Player::None => write!(f, "None"),
[INFO] [stderr] 17 |             Player::CPU => write!(f, "CPU"),
[INFO] [stderr] 18 |             Player::Human => write!(f, "Human"),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `game::Game`
[INFO] [stderr]   --> src/game.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 | /   pub fn new() -> Game {
[INFO] [stderr] 15 | |     Game {
[INFO] [stderr] 16 | |       board: Board::new(),
[INFO] [stderr] 17 | |     }
[INFO] [stderr] 18 | |   }
[INFO] [stderr]    | |___^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Default for game::Game {
[INFO] [stderr] 14 |     fn default() -> Self {
[INFO] [stderr] 15 |         Self::new()
[INFO] [stderr] 16 |     }
[INFO] [stderr] 17 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/game.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     match result {
[INFO] [stderr] 23 | |       Ok(board) => {
[INFO] [stderr] 24 | |         let board = board.cpu();
[INFO] [stderr] 25 | |         let game = Game { board };
[INFO] [stderr] ...  |
[INFO] [stderr] 35 | |       _ => (),
[INFO] [stderr] 36 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 22 |     if let Ok(board) = result {
[INFO] [stderr] 23 |   let board = board.cpu();
[INFO] [stderr] 24 |   let game = Game { board };
[INFO] [stderr] 25 |   let state = game.board.state();
[INFO] [stderr] 26 |   let this = JsValue::NULL;
[INFO] [stderr] 27 | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `darkruby-tictactoe`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/field.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn reverse(&self) -> Field {
[INFO] [stderr]    |                    ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/field.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | /         match self {
[INFO] [stderr] 16 | |             &Field::Nought => Field::Cross,
[INFO] [stderr] 17 | |             &Field::Cross => Field::Nought,
[INFO] [stderr] 18 | |             _ => panic!("Cant reverese empty"),
[INFO] [stderr] 19 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 15 |         match *self {
[INFO] [stderr] 16 |             Field::Nought => Field::Cross,
[INFO] [stderr] 17 |             Field::Cross => Field::Nought,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/field.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | /         match self {
[INFO] [stderr] 26 | |             &Field::Empty => write!(f, "[ ]"),
[INFO] [stderr] 27 | |             &Field::Nought => write!(f, "[0]"),
[INFO] [stderr] 28 | |             &Field::Cross => write!(f, "[X]"),
[INFO] [stderr] 29 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 25 |         match *self {
[INFO] [stderr] 26 |             Field::Empty => write!(f, "[ ]"),
[INFO] [stderr] 27 |             Field::Nought => write!(f, "[0]"),
[INFO] [stderr] 28 |             Field::Cross => write!(f, "[X]"),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `board::Board`
[INFO] [stderr]   --> src/board.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     pub fn new() -> Board {
[INFO] [stderr] 17 | |         Board {
[INFO] [stderr] 18 | |             fields: [Field::Empty; LENGTH],
[INFO] [stderr] 19 | |             last_move: (0 - 1) as u8,
[INFO] [stderr] 20 | |         }
[INFO] [stderr] 21 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl Default for board::Board {
[INFO] [stderr] 16 |     fn default() -> Self {
[INFO] [stderr] 17 |         Self::new()
[INFO] [stderr] 18 |     }
[INFO] [stderr] 19 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/board.rs:28:26
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut fields = self.fields.clone();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.fields`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/board.rs:60:34
[INFO] [stderr]    |
[INFO] [stderr] 60 |         for comb in combinations.into_iter() {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::into_iter_on_array)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/board.rs:92:12
[INFO] [stderr]    |
[INFO] [stderr] 92 |         if state.possible_moves.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `state.possible_moves.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/player.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | /         match self {
[INFO] [stderr] 16 | |             &Player::None => write!(f, "None"),
[INFO] [stderr] 17 | |             &Player::CPU => write!(f, "CPU"),
[INFO] [stderr] 18 | |             &Player::Human => write!(f, "Human"),
[INFO] [stderr] 19 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 15 |         match *self {
[INFO] [stderr] 16 |             Player::None => write!(f, "None"),
[INFO] [stderr] 17 |             Player::CPU => write!(f, "CPU"),
[INFO] [stderr] 18 |             Player::Human => write!(f, "Human"),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `game::Game`
[INFO] [stderr]   --> src/game.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 | /   pub fn new() -> Game {
[INFO] [stderr] 15 | |     Game {
[INFO] [stderr] 16 | |       board: Board::new(),
[INFO] [stderr] 17 | |     }
[INFO] [stderr] 18 | |   }
[INFO] [stderr]    | |___^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Default for game::Game {
[INFO] [stderr] 14 |     fn default() -> Self {
[INFO] [stderr] 15 |         Self::new()
[INFO] [stderr] 16 |     }
[INFO] [stderr] 17 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/game.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     match result {
[INFO] [stderr] 23 | |       Ok(board) => {
[INFO] [stderr] 24 | |         let board = board.cpu();
[INFO] [stderr] 25 | |         let game = Game { board };
[INFO] [stderr] ...  |
[INFO] [stderr] 35 | |       _ => (),
[INFO] [stderr] 36 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 22 |     if let Ok(board) = result {
[INFO] [stderr] 23 |   let board = board.cpu();
[INFO] [stderr] 24 |   let game = Game { board };
[INFO] [stderr] 25 |   let state = game.board.state();
[INFO] [stderr] 26 |   let this = JsValue::NULL;
[INFO] [stderr] 27 | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `darkruby-tictactoe`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "99284af8d48588d9c606ccab56aaf2bcfde0383048fcbe965614bef334ed4732"`
[INFO] running `"docker" "rm" "-f" "99284af8d48588d9c606ccab56aaf2bcfde0383048fcbe965614bef334ed4732"`
[INFO] [stdout] 99284af8d48588d9c606ccab56aaf2bcfde0383048fcbe965614bef334ed4732