[INFO] updating cached repository voelklmichael/varidor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/voelklmichael/varidor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/voelklmichael/varidor" "work/ex/clippy-test-run/sources/stable/gh/voelklmichael/varidor"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/voelklmichael/varidor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/voelklmichael/varidor" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/voelklmichael/varidor"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/voelklmichael/varidor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba8691397116cc03e96eb6721db8449ff1bfca68
[INFO] sha for GitHub repo voelklmichael/varidor: ba8691397116cc03e96eb6721db8449ff1bfca68
[INFO] validating manifest of voelklmichael/varidor 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 voelklmichael/varidor 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 voelklmichael/varidor
[INFO] finished frobbing voelklmichael/varidor
[INFO] frobbed toml for voelklmichael/varidor written to work/ex/clippy-test-run/sources/stable/gh/voelklmichael/varidor/Cargo.toml
[INFO] started frobbing voelklmichael/varidor
[INFO] finished frobbing voelklmichael/varidor
[INFO] frobbed toml for voelklmichael/varidor written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/voelklmichael/varidor/Cargo.toml
[INFO] crate voelklmichael/varidor 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 voelklmichael/varidor against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/voelklmichael/varidor:/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 -Dclippy::into_iter_on_array" "-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] 7fe85e7b703ccc1bea423595e9da341bdc0068081951be053a25d74fad75d8f0
[INFO] running `"docker" "start" "-a" "7fe85e7b703ccc1bea423595e9da341bdc0068081951be053a25d74fad75d8f0"`
[INFO] [stderr]     Checking num-traits v0.2.0
[INFO] [stderr]     Checking varidor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 column: column,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: replace it with: `column`
[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/javascript_interaction/mod.rs:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 row: row,
[INFO] [stderr]     |                 ^^^^^^^^ help: replace it with: `row`
[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/javascript_interaction/mod.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 column: column,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: replace it with: `column`
[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/javascript_interaction/mod.rs:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 row: row,
[INFO] [stderr]     |                 ^^^^^^^^ help: replace it with: `row`
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/board_square/square_board.rs:351:16
[INFO] [stderr]     |
[INFO] [stderr] 351 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 352 | |             if let Some((second_field, _)) = Self::get_field_in_direction(first_field, direction) {
[INFO] [stderr] 353 | |                 let second_direction: DirectionsSquare = match (direction, wall_direction) {
[INFO] [stderr] 354 | |                     (DirectionsSquare::Left, WallDirections::Left) => DirectionsSquare::Down,
[INFO] [stderr] ...   |
[INFO] [stderr] 416 | |             }
[INFO] [stderr] 417 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 351 |         } else if let Some((second_field, _)) = Self::get_field_in_direction(first_field, direction) {
[INFO] [stderr] 352 |     let second_direction: DirectionsSquare = match (direction, wall_direction) {
[INFO] [stderr] 353 |         (DirectionsSquare::Left, WallDirections::Left) => DirectionsSquare::Down,
[INFO] [stderr] 354 |         (DirectionsSquare::Left, WallDirections::Right) => DirectionsSquare::Up,
[INFO] [stderr] 355 |         (DirectionsSquare::Right, WallDirections::Left) => DirectionsSquare::Up,
[INFO] [stderr] 356 |         (DirectionsSquare::Right, WallDirections::Right) => DirectionsSquare::Down,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/javascript_interaction/strings.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     return ptr as *mut c_void;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `ptr as *mut c_void`
[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] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/board_square/square_board.rs:351:16
[INFO] [stderr]     |
[INFO] [stderr] 351 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 352 | |             if let Some((second_field, _)) = Self::get_field_in_direction(first_field, direction) {
[INFO] [stderr] 353 | |                 let second_direction: DirectionsSquare = match (direction, wall_direction) {
[INFO] [stderr] 354 | |                     (DirectionsSquare::Left, WallDirections::Left) => DirectionsSquare::Down,
[INFO] [stderr] ...   |
[INFO] [stderr] 416 | |             }
[INFO] [stderr] 417 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 351 |         } else if let Some((second_field, _)) = Self::get_field_in_direction(first_field, direction) {
[INFO] [stderr] 352 |     let second_direction: DirectionsSquare = match (direction, wall_direction) {
[INFO] [stderr] 353 |         (DirectionsSquare::Left, WallDirections::Left) => DirectionsSquare::Down,
[INFO] [stderr] 354 |         (DirectionsSquare::Left, WallDirections::Right) => DirectionsSquare::Up,
[INFO] [stderr] 355 |         (DirectionsSquare::Right, WallDirections::Left) => DirectionsSquare::Up,
[INFO] [stderr] 356 |         (DirectionsSquare::Right, WallDirections::Right) => DirectionsSquare::Down,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/javascript_interaction/strings.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     return ptr as *mut c_void;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `ptr as *mut c_void`
[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] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/board_square/square_board.rs:351:16
[INFO] [stderr]     |
[INFO] [stderr] 351 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 352 | |             if let Some((second_field, _)) = Self::get_field_in_direction(first_field, direction) {
[INFO] [stderr] 353 | |                 let second_direction: DirectionsSquare = match (direction, wall_direction) {
[INFO] [stderr] 354 | |                     (DirectionsSquare::Left, WallDirections::Left) => DirectionsSquare::Down,
[INFO] [stderr] ...   |
[INFO] [stderr] 416 | |             }
[INFO] [stderr] 417 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 351 |         } else if let Some((second_field, _)) = Self::get_field_in_direction(first_field, direction) {
[INFO] [stderr] 352 |     let second_direction: DirectionsSquare = match (direction, wall_direction) {
[INFO] [stderr] 353 |         (DirectionsSquare::Left, WallDirections::Left) => DirectionsSquare::Down,
[INFO] [stderr] 354 |         (DirectionsSquare::Left, WallDirections::Right) => DirectionsSquare::Up,
[INFO] [stderr] 355 |         (DirectionsSquare::Right, WallDirections::Left) => DirectionsSquare::Up,
[INFO] [stderr] 356 |         (DirectionsSquare::Right, WallDirections::Right) => DirectionsSquare::Down,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/board_square/square_board.rs:351:16
[INFO] [stderr]     |
[INFO] [stderr] 351 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 352 | |             if let Some((second_field, _)) = Self::get_field_in_direction(first_field, direction) {
[INFO] [stderr] 353 | |                 let second_direction: DirectionsSquare = match (direction, wall_direction) {
[INFO] [stderr] 354 | |                     (DirectionsSquare::Left, WallDirections::Left) => DirectionsSquare::Down,
[INFO] [stderr] ...   |
[INFO] [stderr] 416 | |             }
[INFO] [stderr] 417 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 351 |         } else if let Some((second_field, _)) = Self::get_field_in_direction(first_field, direction) {
[INFO] [stderr] 352 |     let second_direction: DirectionsSquare = match (direction, wall_direction) {
[INFO] [stderr] 353 |         (DirectionsSquare::Left, WallDirections::Left) => DirectionsSquare::Down,
[INFO] [stderr] 354 |         (DirectionsSquare::Left, WallDirections::Right) => DirectionsSquare::Up,
[INFO] [stderr] 355 |         (DirectionsSquare::Right, WallDirections::Left) => DirectionsSquare::Up,
[INFO] [stderr] 356 |         (DirectionsSquare::Right, WallDirections::Right) => DirectionsSquare::Down,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SquareBoard3`
[INFO] [stderr]   --> src/board_square/square_board3.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | / pub type SquareBoard3 =
[INFO] [stderr] 37 | |     SquareBoard<usize, Usize3, [WallPlaced; 2 * 3 * (3 - 1)], [WallCrossing; (3 - 1) * (3 - 1)]>;
[INFO] [stderr]    | |_________________________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SquareBoard4`
[INFO] [stderr]   --> src/board_square/square_board4.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | / pub type SquareBoard4 =
[INFO] [stderr] 37 | |     SquareBoard<usize, Usize4, [WallPlaced; 2 * 4 * (4 - 1)], [WallCrossing; (4 - 1) * (4 - 1)]>;
[INFO] [stderr]    | |_________________________________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/board_square/player.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 |         [White, Black].into_iter()
[INFO] [stderr]    |                        ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: requested on the command line with `-D clippy::into-iter-on-array`
[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] error: a const item should never be interior mutable
[INFO] [stderr]  --> src/board_square/type_level_integers.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     const SIZE: Type;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(clippy::declare_interior_mutable_const)] on by default
[INFO] [stderr] help: consider requiring `Type` to be `Copy`
[INFO] [stderr]  --> src/board_square/type_level_integers.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 |     const SIZE: Type;
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#declare_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/board_square/square_board.rs:27:33
[INFO] [stderr]    |
[INFO] [stderr] 27 |         [Up, Down, Left, Right].into_iter()
[INFO] [stderr]    |                                 ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/board_square/square_board.rs:124:12
[INFO] [stderr]     |
[INFO] [stderr] 124 |           if match is_left_or_right {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 125 | |             true => self.wall_positions.at(
[INFO] [stderr] 126 | |                 lower_left_field.column,
[INFO] [stderr] 127 | |                 lower_left_field.row + One::one(),
[INFO] [stderr] ...   |
[INFO] [stderr] 134 | |             ),
[INFO] [stderr] 135 | |         } == IsWall
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 124 |         if if is_left_or_right { self.wall_positions.at(
[INFO] [stderr] 125 |     lower_left_field.column,
[INFO] [stderr] 126 |     lower_left_field.row + One::one(),
[INFO] [stderr] 127 |     is_left_or_right,
[INFO] [stderr] 128 | ) } else { self.wall_positions.at(
[INFO] [stderr] 129 |     lower_left_field.column + One::one(),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/board_square/square_board.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 | /         match is_left_or_right {
[INFO] [stderr] 152 | |             true => {
[INFO] [stderr] 153 | |                 *self.wall_positions.at_mut(
[INFO] [stderr] 154 | |                     lower_left_field.column,
[INFO] [stderr] ...   |
[INFO] [stderr] 165 | |             }
[INFO] [stderr] 166 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 151 |         if is_left_or_right {
[INFO] [stderr] 152 |     *self.wall_positions.at_mut(
[INFO] [stderr] 153 |         lower_left_field.column,
[INFO] [stderr] 154 |         lower_left_field.row + One::one(),
[INFO] [stderr] 155 |         is_left_or_right,
[INFO] [stderr] 156 |     ) = WallPlaced::IsWall
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/board_square/square_board.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 | /         match is_left_or_right {
[INFO] [stderr] 182 | |             true => {
[INFO] [stderr] 183 | |                 *self.wall_positions.at_mut(
[INFO] [stderr] 184 | |                     lower_left_field.column,
[INFO] [stderr] ...   |
[INFO] [stderr] 195 | |             }
[INFO] [stderr] 196 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 181 |         if is_left_or_right {
[INFO] [stderr] 182 |     *self.wall_positions.at_mut(
[INFO] [stderr] 183 |         lower_left_field.column,
[INFO] [stderr] 184 |         lower_left_field.row + One::one(),
[INFO] [stderr] 185 |         is_left_or_right,
[INFO] [stderr] 186 |     ) = WallPlaced::IsEmpty
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this block may be rewritten with the `?` operator
[INFO] [stderr]   --> src/board_square/mod.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 | /         if Self::get_field_in_direction(field, direction).is_none() {
[INFO] [stderr] 90 | |             None
[INFO] [stderr] 91 | |         } else {
[INFO] [stderr] 92 | |             Some(self.check_for_wall_unsafe(field, direction))
[INFO] [stderr] 93 | |         }
[INFO] [stderr]    | |_________^ help: replace_it_with: `Self::get_field_in_direction(field, direction)?;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::question_mark)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/board_square/mod.rs:99:9
[INFO] [stderr]     |
[INFO] [stderr] 99  | /         Self::get_surrounding_fields(field)
[INFO] [stderr] 100 | |             .iter()
[INFO] [stderr] 101 | |             .filter(|&&(_, direction)| {
[INFO] [stderr] 102 | |                 self.check_for_wall_unsafe(field, direction) == WallPlaced::IsEmpty
[INFO] [stderr] 103 | |             })
[INFO] [stderr] 104 | |             .map(|x| *x)
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 99  |         Self::get_surrounding_fields(field)
[INFO] [stderr] 100 |             .iter()
[INFO] [stderr] 101 |             .filter(|&&(_, direction)| {
[INFO] [stderr] 102 |                 self.check_for_wall_unsafe(field, direction) == WallPlaced::IsEmpty
[INFO] [stderr] 103 |             }).cloned()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/board_square/mod.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 | /             new_visited_fields
[INFO] [stderr] 176 | |                 .iter()
[INFO] [stderr] 177 | |                 .map(|&x| visited_fields.push(x))
[INFO] [stderr] 178 | |                 .collect::<Vec<_>>();
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: you are collect()ing an iterator and throwing away the result. Consider using an explicit for loop to exhaust the iterator
[INFO] [stderr]    --> src/board_square/mod.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 | /             new_visited_fields
[INFO] [stderr] 176 | |                 .iter()
[INFO] [stderr] 177 | |                 .map(|&x| visited_fields.push(x))
[INFO] [stderr] 178 | |                 .collect::<Vec<_>>();
[INFO] [stderr]     | |____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_collect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_collect
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]   --> src/javascript_interaction/strings.rs:16:35
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let _ = CString::from_raw(ptr);
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::not_unsafe_ptr_arg_deref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/javascript_interaction/strings.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut n = n as u64;
[INFO] [stderr]    |                 ^^^^^^^^ help: try: `u64::from(n)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/javascript_interaction/strings.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         result = result * n;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: replace it with: `result *= n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/javascript_interaction/strings.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         n = n - 1;
[INFO] [stderr]    |         ^^^^^^^^^ help: replace it with: `n -= 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 | /             data.move_player_by_field(FieldIndexSquare {
[INFO] [stderr] 110 | |                 column: column,
[INFO] [stderr] 111 | |                 row: row,
[INFO] [stderr] 112 | |             }).map(|error| data.append_logbook(error.to_string().to_string()));
[INFO] [stderr]     | |______________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 109 |             if let Some(error) = data.move_player_by_field(FieldIndexSquare {
[INFO] [stderr] 110 |                 column: column,
[INFO] [stderr] 111 |                 row: row,
[INFO] [stderr] 112 |             }) { data.append_logbook(error.to_string().to_string()) }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:115:40
[INFO] [stderr]     |
[INFO] [stderr] 115 |               let dir_is_left_or_right = if y - (y / DISTANCE).floor() * DISTANCE < FIELD_WIDTH {
[INFO] [stderr]     |  ________________________________________^
[INFO] [stderr] 116 | |                 true
[INFO] [stderr] 117 | |             } else {
[INFO] [stderr] 118 | |                 false
[INFO] [stderr] 119 | |             };
[INFO] [stderr]     | |_____________^ help: you can reduce it to: `y - (y / DISTANCE).floor() * DISTANCE < FIELD_WIDTH`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:198:17
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 red as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try: `f64::from(red)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 green as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: try: `f64::from(green)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |                 blue as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: try: `f64::from(blue)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `BOARDSIZE as usize`
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:207:29
[INFO] [stderr]     |
[INFO] [stderr] 207 |         for row_index in 0..BOARDSIZE as usize - 0 {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:221:21
[INFO] [stderr]     |
[INFO] [stderr] 221 |                     wall_color.0 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:222:21
[INFO] [stderr]     |
[INFO] [stderr] 222 |                     wall_color.1 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:223:21
[INFO] [stderr]     |
[INFO] [stderr] 223 |                     wall_color.2 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `BOARDSIZE as usize`
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:229:28
[INFO] [stderr]     |
[INFO] [stderr] 229 |     for column_index in 0..BOARDSIZE as usize - 0 {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:244:21
[INFO] [stderr]     |
[INFO] [stderr] 244 |                     wall_color.0 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:245:21
[INFO] [stderr]     |
[INFO] [stderr] 245 |                     wall_color.1 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:246:21
[INFO] [stderr]     |
[INFO] [stderr] 246 |                     wall_color.2 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:264:21
[INFO] [stderr]     |
[INFO] [stderr] 264 |                     wall_color.0 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:265:21
[INFO] [stderr]     |
[INFO] [stderr] 265 |                     wall_color.1 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:266:21
[INFO] [stderr]     |
[INFO] [stderr] 266 |                     wall_color.2 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:283:17
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 wall_selected_color.0 as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_selected_color.0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 wall_selected_color.1 as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_selected_color.1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:285:17
[INFO] [stderr]     |
[INFO] [stderr] 285 |                 wall_selected_color.2 as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_selected_color.2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:293:17
[INFO] [stderr]     |
[INFO] [stderr] 293 |                 wall_selected_color.0 as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_selected_color.0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:294:17
[INFO] [stderr]     |
[INFO] [stderr] 294 |                 wall_selected_color.1 as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_selected_color.1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:295:17
[INFO] [stderr]     |
[INFO] [stderr] 295 |                 wall_selected_color.2 as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_selected_color.2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:312:21
[INFO] [stderr]     |
[INFO] [stderr] 312 |                     red as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: try: `f64::from(red)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:313:21
[INFO] [stderr]     |
[INFO] [stderr] 313 |                     green as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: try: `f64::from(green)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:314:21
[INFO] [stderr]     |
[INFO] [stderr] 314 |                     blue as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: try: `f64::from(blue)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/lib.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn to_string(self) -> &'static str {
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/lib.rs:29:22
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn to_string(self) -> &'static str {
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `varidor`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: type alias is never used: `SquareBoard3`
[INFO] [stderr]   --> src/board_square/square_board3.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | / pub type SquareBoard3 =
[INFO] [stderr] 37 | |     SquareBoard<usize, Usize3, [WallPlaced; 2 * 3 * (3 - 1)], [WallCrossing; (3 - 1) * (3 - 1)]>;
[INFO] [stderr]    | |_________________________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SquareBoard4`
[INFO] [stderr]   --> src/board_square/square_board4.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | / pub type SquareBoard4 =
[INFO] [stderr] 37 | |     SquareBoard<usize, Usize4, [WallPlaced; 2 * 4 * (4 - 1)], [WallCrossing; (4 - 1) * (4 - 1)]>;
[INFO] [stderr]    | |_________________________________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/board_square/player.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 |         [White, Black].into_iter()
[INFO] [stderr]    |                        ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: requested on the command line with `-D clippy::into-iter-on-array`
[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] error: a const item should never be interior mutable
[INFO] [stderr]  --> src/board_square/type_level_integers.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     const SIZE: Type;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(clippy::declare_interior_mutable_const)] on by default
[INFO] [stderr] help: consider requiring `Type` to be `Copy`
[INFO] [stderr]  --> src/board_square/type_level_integers.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 |     const SIZE: Type;
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#declare_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/board_square/square_board.rs:27:33
[INFO] [stderr]    |
[INFO] [stderr] 27 |         [Up, Down, Left, Right].into_iter()
[INFO] [stderr]    |                                 ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/board_square/square_board.rs:124:12
[INFO] [stderr]     |
[INFO] [stderr] 124 |           if match is_left_or_right {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 125 | |             true => self.wall_positions.at(
[INFO] [stderr] 126 | |                 lower_left_field.column,
[INFO] [stderr] 127 | |                 lower_left_field.row + One::one(),
[INFO] [stderr] ...   |
[INFO] [stderr] 134 | |             ),
[INFO] [stderr] 135 | |         } == IsWall
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 124 |         if if is_left_or_right { self.wall_positions.at(
[INFO] [stderr] 125 |     lower_left_field.column,
[INFO] [stderr] 126 |     lower_left_field.row + One::one(),
[INFO] [stderr] 127 |     is_left_or_right,
[INFO] [stderr] 128 | ) } else { self.wall_positions.at(
[INFO] [stderr] 129 |     lower_left_field.column + One::one(),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/board_square/square_board.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 | /         match is_left_or_right {
[INFO] [stderr] 152 | |             true => {
[INFO] [stderr] 153 | |                 *self.wall_positions.at_mut(
[INFO] [stderr] 154 | |                     lower_left_field.column,
[INFO] [stderr] ...   |
[INFO] [stderr] 165 | |             }
[INFO] [stderr] 166 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 151 |         if is_left_or_right {
[INFO] [stderr] 152 |     *self.wall_positions.at_mut(
[INFO] [stderr] 153 |         lower_left_field.column,
[INFO] [stderr] 154 |         lower_left_field.row + One::one(),
[INFO] [stderr] 155 |         is_left_or_right,
[INFO] [stderr] 156 |     ) = WallPlaced::IsWall
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/board_square/square_board.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 | /         match is_left_or_right {
[INFO] [stderr] 182 | |             true => {
[INFO] [stderr] 183 | |                 *self.wall_positions.at_mut(
[INFO] [stderr] 184 | |                     lower_left_field.column,
[INFO] [stderr] ...   |
[INFO] [stderr] 195 | |             }
[INFO] [stderr] 196 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 181 |         if is_left_or_right {
[INFO] [stderr] 182 |     *self.wall_positions.at_mut(
[INFO] [stderr] 183 |         lower_left_field.column,
[INFO] [stderr] 184 |         lower_left_field.row + One::one(),
[INFO] [stderr] 185 |         is_left_or_right,
[INFO] [stderr] 186 |     ) = WallPlaced::IsEmpty
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this block may be rewritten with the `?` operator
[INFO] [stderr]   --> src/board_square/mod.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 | /         if Self::get_field_in_direction(field, direction).is_none() {
[INFO] [stderr] 90 | |             None
[INFO] [stderr] 91 | |         } else {
[INFO] [stderr] 92 | |             Some(self.check_for_wall_unsafe(field, direction))
[INFO] [stderr] 93 | |         }
[INFO] [stderr]    | |_________^ help: replace_it_with: `Self::get_field_in_direction(field, direction)?;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::question_mark)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/board_square/mod.rs:99:9
[INFO] [stderr]     |
[INFO] [stderr] 99  | /         Self::get_surrounding_fields(field)
[INFO] [stderr] 100 | |             .iter()
[INFO] [stderr] 101 | |             .filter(|&&(_, direction)| {
[INFO] [stderr] 102 | |                 self.check_for_wall_unsafe(field, direction) == WallPlaced::IsEmpty
[INFO] [stderr] 103 | |             })
[INFO] [stderr] 104 | |             .map(|x| *x)
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 99  |         Self::get_surrounding_fields(field)
[INFO] [stderr] 100 |             .iter()
[INFO] [stderr] 101 |             .filter(|&&(_, direction)| {
[INFO] [stderr] 102 |                 self.check_for_wall_unsafe(field, direction) == WallPlaced::IsEmpty
[INFO] [stderr] 103 |             }).cloned()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/board_square/mod.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 | /             new_visited_fields
[INFO] [stderr] 176 | |                 .iter()
[INFO] [stderr] 177 | |                 .map(|&x| visited_fields.push(x))
[INFO] [stderr] 178 | |                 .collect::<Vec<_>>();
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: you are collect()ing an iterator and throwing away the result. Consider using an explicit for loop to exhaust the iterator
[INFO] [stderr]    --> src/board_square/mod.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 | /             new_visited_fields
[INFO] [stderr] 176 | |                 .iter()
[INFO] [stderr] 177 | |                 .map(|&x| visited_fields.push(x))
[INFO] [stderr] 178 | |                 .collect::<Vec<_>>();
[INFO] [stderr]     | |____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_collect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_collect
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]   --> src/javascript_interaction/strings.rs:16:35
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let _ = CString::from_raw(ptr);
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::not_unsafe_ptr_arg_deref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/javascript_interaction/strings.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut n = n as u64;
[INFO] [stderr]    |                 ^^^^^^^^ help: try: `u64::from(n)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/javascript_interaction/strings.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         result = result * n;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: replace it with: `result *= n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/javascript_interaction/strings.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         n = n - 1;
[INFO] [stderr]    |         ^^^^^^^^^ help: replace it with: `n -= 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Usize4`
[INFO] [stderr]   --> src/board_square/type_level_integers.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub type Usize4 = UsizeNext<Usize3>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Usize5`
[INFO] [stderr]   --> src/board_square/type_level_integers.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub type Usize5 = UsizeNext<Usize4>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `wall_lookup_unsafe`
[INFO] [stderr]    --> src/board_square/square_board.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 | /     pub fn wall_lookup_unsafe(
[INFO] [stderr] 201 | |         &self,
[INFO] [stderr] 202 | |         lower_left_field: FieldIndexSquare<T>,
[INFO] [stderr] 203 | |         is_left_or_right: bool,
[INFO] [stderr] ...   |
[INFO] [stderr] 209 | |         )
[INFO] [stderr] 210 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `croosing_lookup_unsafe`
[INFO] [stderr]    --> src/board_square/square_board.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |     pub fn croosing_lookup_unsafe(&self, lower_left_field: FieldIndexSquare<T>) -> WallCrossing {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SquareBoard5`
[INFO] [stderr]   --> src/board_square/square_board5.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | / pub type SquareBoard5 =
[INFO] [stderr] 37 | |     SquareBoard<usize, Usize5, [WallPlaced; 2 * 5 * (5 - 1)], [WallCrossing; (5 - 1) * (5 - 1)]>;
[INFO] [stderr]    | |_________________________________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SquareBoard4`
[INFO] [stderr]   --> src/board_square/square_board4.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | / pub type SquareBoard4 =
[INFO] [stderr] 37 | |     SquareBoard<usize, Usize4, [WallPlaced; 2 * 4 * (4 - 1)], [WallCrossing; (4 - 1) * (4 - 1)]>;
[INFO] [stderr]    | |_________________________________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotConnected`
[INFO] [stderr]   --> src/board_square/mod.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     NotConnected,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FieldsNotAdjacent`
[INFO] [stderr]   --> src/board_square/mod.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     FieldsNotAdjacent,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/board_square/player.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 |         [White, Black].into_iter()
[INFO] [stderr]    |                        ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: requested on the command line with `-D clippy::into-iter-on-array`
[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] error: a const item should never be interior mutable
[INFO] [stderr]  --> src/board_square/type_level_integers.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     const SIZE: Type;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(clippy::declare_interior_mutable_const)] on by default
[INFO] [stderr] help: consider requiring `Type` to be `Copy`
[INFO] [stderr]  --> src/board_square/type_level_integers.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 |     const SIZE: Type;
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#declare_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 | /             data.move_player_by_field(FieldIndexSquare {
[INFO] [stderr] 110 | |                 column: column,
[INFO] [stderr] 111 | |                 row: row,
[INFO] [stderr] 112 | |             }).map(|error| data.append_logbook(error.to_string().to_string()));
[INFO] [stderr]     | |______________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 109 |             if let Some(error) = data.move_player_by_field(FieldIndexSquare {
[INFO] [stderr] 110 |                 column: column,
[INFO] [stderr] 111 |                 row: row,
[INFO] [stderr] 112 |             }) { data.append_logbook(error.to_string().to_string()) }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:115:40
[INFO] [stderr]     |
[INFO] [stderr] 115 |               let dir_is_left_or_right = if y - (y / DISTANCE).floor() * DISTANCE < FIELD_WIDTH {
[INFO] [stderr]     |  ________________________________________^
[INFO] [stderr] 116 | |                 true
[INFO] [stderr] 117 | |             } else {
[INFO] [stderr] 118 | |                 false
[INFO] [stderr] 119 | |             };
[INFO] [stderr]     | |_____________^ help: you can reduce it to: `y - (y / DISTANCE).floor() * DISTANCE < FIELD_WIDTH`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:198:17
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 red as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try: `f64::from(red)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 green as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: try: `f64::from(green)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |                 blue as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: try: `f64::from(blue)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `BOARDSIZE as usize`
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:207:29
[INFO] [stderr]     |
[INFO] [stderr] 207 |         for row_index in 0..BOARDSIZE as usize - 0 {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:221:21
[INFO] [stderr]     |
[INFO] [stderr] 221 |                     wall_color.0 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:222:21
[INFO] [stderr]     |
[INFO] [stderr] 222 |                     wall_color.1 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:223:21
[INFO] [stderr]     |
[INFO] [stderr] 223 |                     wall_color.2 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `BOARDSIZE as usize`
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:229:28
[INFO] [stderr]     |
[INFO] [stderr] 229 |     for column_index in 0..BOARDSIZE as usize - 0 {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:244:21
[INFO] [stderr]     |
[INFO] [stderr] 244 |                     wall_color.0 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:245:21
[INFO] [stderr]     |
[INFO] [stderr] 245 |                     wall_color.1 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:246:21
[INFO] [stderr]     |
[INFO] [stderr] 246 |                     wall_color.2 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:264:21
[INFO] [stderr]     |
[INFO] [stderr] 264 |                     wall_color.0 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.0)`
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/board_square/square_board.rs:27:33
[INFO] [stderr]    |
[INFO] [stderr] 27 |         [Up, Down, Left, Right].into_iter()
[INFO] [stderr]    |                                 ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/board_square/square_board.rs:124:12
[INFO] [stderr]     |
[INFO] [stderr] 124 |           if match is_left_or_right {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 125 | |             true => self.wall_positions.at(
[INFO] [stderr] 126 | |                 lower_left_field.column,
[INFO] [stderr] 127 | |                 lower_left_field.row + One::one(),
[INFO] [stderr] ...   |
[INFO] [stderr] 134 | |             ),
[INFO] [stderr] 135 | |         } == IsWall
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 124 |         if if is_left_or_right { self.wall_positions.at(
[INFO] [stderr] 125 |     lower_left_field.column,
[INFO] [stderr] 126 |     lower_left_field.row + One::one(),
[INFO] [stderr] 127 |     is_left_or_right,
[INFO] [stderr] 128 | ) } else { self.wall_positions.at(
[INFO] [stderr] 129 |     lower_left_field.column + One::one(),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:265:21
[INFO] [stderr]     |
[INFO] [stderr] 265 |                     wall_color.1 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:266:21
[INFO] [stderr]     |
[INFO] [stderr] 266 |                     wall_color.2 as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_color.2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:283:17
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 wall_selected_color.0 as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_selected_color.0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 wall_selected_color.1 as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_selected_color.1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:285:17
[INFO] [stderr]     |
[INFO] [stderr] 285 |                 wall_selected_color.2 as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_selected_color.2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:293:17
[INFO] [stderr]     |
[INFO] [stderr] 293 |                 wall_selected_color.0 as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_selected_color.0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:294:17
[INFO] [stderr]     |
[INFO] [stderr] 294 |                 wall_selected_color.1 as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_selected_color.1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:295:17
[INFO] [stderr]     |
[INFO] [stderr] 295 |                 wall_selected_color.2 as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(wall_selected_color.2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:312:21
[INFO] [stderr]     |
[INFO] [stderr] 312 |                     red as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: try: `f64::from(red)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:313:21
[INFO] [stderr]     |
[INFO] [stderr] 313 |                     green as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: try: `f64::from(green)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/javascript_interaction/mod.rs:314:21
[INFO] [stderr]     |
[INFO] [stderr] 314 |                     blue as f64,
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: try: `f64::from(blue)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/lib.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn to_string(self) -> &'static str {
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/lib.rs:29:22
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn to_string(self) -> &'static str {
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/board_square/square_board.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 | /         match is_left_or_right {
[INFO] [stderr] 152 | |             true => {
[INFO] [stderr] 153 | |                 *self.wall_positions.at_mut(
[INFO] [stderr] 154 | |                     lower_left_field.column,
[INFO] [stderr] ...   |
[INFO] [stderr] 165 | |             }
[INFO] [stderr] 166 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 151 |         if is_left_or_right {
[INFO] [stderr] 152 |     *self.wall_positions.at_mut(
[INFO] [stderr] 153 |         lower_left_field.column,
[INFO] [stderr] 154 |         lower_left_field.row + One::one(),
[INFO] [stderr] 155 |         is_left_or_right,
[INFO] [stderr] 156 |     ) = WallPlaced::IsWall
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/board_square/square_board.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 | /         match is_left_or_right {
[INFO] [stderr] 182 | |             true => {
[INFO] [stderr] 183 | |                 *self.wall_positions.at_mut(
[INFO] [stderr] 184 | |                     lower_left_field.column,
[INFO] [stderr] ...   |
[INFO] [stderr] 195 | |             }
[INFO] [stderr] 196 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 181 |         if is_left_or_right {
[INFO] [stderr] 182 |     *self.wall_positions.at_mut(
[INFO] [stderr] 183 |         lower_left_field.column,
[INFO] [stderr] 184 |         lower_left_field.row + One::one(),
[INFO] [stderr] 185 |         is_left_or_right,
[INFO] [stderr] 186 |     ) = WallPlaced::IsEmpty
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `varidor`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: this block may be rewritten with the `?` operator
[INFO] [stderr]   --> src/board_square/mod.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 | /         if Self::get_field_in_direction(field, direction).is_none() {
[INFO] [stderr] 90 | |             None
[INFO] [stderr] 91 | |         } else {
[INFO] [stderr] 92 | |             Some(self.check_for_wall_unsafe(field, direction))
[INFO] [stderr] 93 | |         }
[INFO] [stderr]    | |_________^ help: replace_it_with: `Self::get_field_in_direction(field, direction)?;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::question_mark)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/board_square/mod.rs:99:9
[INFO] [stderr]     |
[INFO] [stderr] 99  | /         Self::get_surrounding_fields(field)
[INFO] [stderr] 100 | |             .iter()
[INFO] [stderr] 101 | |             .filter(|&&(_, direction)| {
[INFO] [stderr] 102 | |                 self.check_for_wall_unsafe(field, direction) == WallPlaced::IsEmpty
[INFO] [stderr] 103 | |             })
[INFO] [stderr] 104 | |             .map(|x| *x)
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 99  |         Self::get_surrounding_fields(field)
[INFO] [stderr] 100 |             .iter()
[INFO] [stderr] 101 |             .filter(|&&(_, direction)| {
[INFO] [stderr] 102 |                 self.check_for_wall_unsafe(field, direction) == WallPlaced::IsEmpty
[INFO] [stderr] 103 |             }).cloned()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/board_square/mod.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 | /             new_visited_fields
[INFO] [stderr] 176 | |                 .iter()
[INFO] [stderr] 177 | |                 .map(|&x| visited_fields.push(x))
[INFO] [stderr] 178 | |                 .collect::<Vec<_>>();
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: you are collect()ing an iterator and throwing away the result. Consider using an explicit for loop to exhaust the iterator
[INFO] [stderr]    --> src/board_square/mod.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 | /             new_visited_fields
[INFO] [stderr] 176 | |                 .iter()
[INFO] [stderr] 177 | |                 .map(|&x| visited_fields.push(x))
[INFO] [stderr] 178 | |                 .collect::<Vec<_>>();
[INFO] [stderr]     | |____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_collect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_collect
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `varidor`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: type alias is never used: `Usize4`
[INFO] [stderr]   --> src/board_square/type_level_integers.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub type Usize4 = UsizeNext<Usize3>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Usize5`
[INFO] [stderr]   --> src/board_square/type_level_integers.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub type Usize5 = UsizeNext<Usize4>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `wall_lookup_unsafe`
[INFO] [stderr]    --> src/board_square/square_board.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 | /     pub fn wall_lookup_unsafe(
[INFO] [stderr] 201 | |         &self,
[INFO] [stderr] 202 | |         lower_left_field: FieldIndexSquare<T>,
[INFO] [stderr] 203 | |         is_left_or_right: bool,
[INFO] [stderr] ...   |
[INFO] [stderr] 209 | |         )
[INFO] [stderr] 210 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `croosing_lookup_unsafe`
[INFO] [stderr]    --> src/board_square/square_board.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |     pub fn croosing_lookup_unsafe(&self, lower_left_field: FieldIndexSquare<T>) -> WallCrossing {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SquareBoard5`
[INFO] [stderr]   --> src/board_square/square_board5.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | / pub type SquareBoard5 =
[INFO] [stderr] 37 | |     SquareBoard<usize, Usize5, [WallPlaced; 2 * 5 * (5 - 1)], [WallCrossing; (5 - 1) * (5 - 1)]>;
[INFO] [stderr]    | |_________________________________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SquareBoard4`
[INFO] [stderr]   --> src/board_square/square_board4.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | / pub type SquareBoard4 =
[INFO] [stderr] 37 | |     SquareBoard<usize, Usize4, [WallPlaced; 2 * 4 * (4 - 1)], [WallCrossing; (4 - 1) * (4 - 1)]>;
[INFO] [stderr]    | |_________________________________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotConnected`
[INFO] [stderr]   --> src/board_square/mod.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     NotConnected,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FieldsNotAdjacent`
[INFO] [stderr]   --> src/board_square/mod.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     FieldsNotAdjacent,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/board_square/player.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 |         [White, Black].into_iter()
[INFO] [stderr]    |                        ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: requested on the command line with `-D clippy::into-iter-on-array`
[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] error: a const item should never be interior mutable
[INFO] [stderr]  --> src/board_square/type_level_integers.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     const SIZE: Type;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(clippy::declare_interior_mutable_const)] on by default
[INFO] [stderr] help: consider requiring `Type` to be `Copy`
[INFO] [stderr]  --> src/board_square/type_level_integers.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 |     const SIZE: Type;
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#declare_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/board_square/square_board.rs:27:33
[INFO] [stderr]    |
[INFO] [stderr] 27 |         [Up, Down, Left, Right].into_iter()
[INFO] [stderr]    |                                 ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/board_square/square_board.rs:124:12
[INFO] [stderr]     |
[INFO] [stderr] 124 |           if match is_left_or_right {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 125 | |             true => self.wall_positions.at(
[INFO] [stderr] 126 | |                 lower_left_field.column,
[INFO] [stderr] 127 | |                 lower_left_field.row + One::one(),
[INFO] [stderr] ...   |
[INFO] [stderr] 134 | |             ),
[INFO] [stderr] 135 | |         } == IsWall
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 124 |         if if is_left_or_right { self.wall_positions.at(
[INFO] [stderr] 125 |     lower_left_field.column,
[INFO] [stderr] 126 |     lower_left_field.row + One::one(),
[INFO] [stderr] 127 |     is_left_or_right,
[INFO] [stderr] 128 | ) } else { self.wall_positions.at(
[INFO] [stderr] 129 |     lower_left_field.column + One::one(),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/board_square/square_board.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 | /         match is_left_or_right {
[INFO] [stderr] 152 | |             true => {
[INFO] [stderr] 153 | |                 *self.wall_positions.at_mut(
[INFO] [stderr] 154 | |                     lower_left_field.column,
[INFO] [stderr] ...   |
[INFO] [stderr] 165 | |             }
[INFO] [stderr] 166 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 151 |         if is_left_or_right {
[INFO] [stderr] 152 |     *self.wall_positions.at_mut(
[INFO] [stderr] 153 |         lower_left_field.column,
[INFO] [stderr] 154 |         lower_left_field.row + One::one(),
[INFO] [stderr] 155 |         is_left_or_right,
[INFO] [stderr] 156 |     ) = WallPlaced::IsWall
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/board_square/square_board.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 | /         match is_left_or_right {
[INFO] [stderr] 182 | |             true => {
[INFO] [stderr] 183 | |                 *self.wall_positions.at_mut(
[INFO] [stderr] 184 | |                     lower_left_field.column,
[INFO] [stderr] ...   |
[INFO] [stderr] 195 | |             }
[INFO] [stderr] 196 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 181 |         if is_left_or_right {
[INFO] [stderr] 182 |     *self.wall_positions.at_mut(
[INFO] [stderr] 183 |         lower_left_field.column,
[INFO] [stderr] 184 |         lower_left_field.row + One::one(),
[INFO] [stderr] 185 |         is_left_or_right,
[INFO] [stderr] 186 |     ) = WallPlaced::IsEmpty
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this block may be rewritten with the `?` operator
[INFO] [stderr]   --> src/board_square/mod.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 | /         if Self::get_field_in_direction(field, direction).is_none() {
[INFO] [stderr] 90 | |             None
[INFO] [stderr] 91 | |         } else {
[INFO] [stderr] 92 | |             Some(self.check_for_wall_unsafe(field, direction))
[INFO] [stderr] 93 | |         }
[INFO] [stderr]    | |_________^ help: replace_it_with: `Self::get_field_in_direction(field, direction)?;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::question_mark)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/board_square/mod.rs:99:9
[INFO] [stderr]     |
[INFO] [stderr] 99  | /         Self::get_surrounding_fields(field)
[INFO] [stderr] 100 | |             .iter()
[INFO] [stderr] 101 | |             .filter(|&&(_, direction)| {
[INFO] [stderr] 102 | |                 self.check_for_wall_unsafe(field, direction) == WallPlaced::IsEmpty
[INFO] [stderr] 103 | |             })
[INFO] [stderr] 104 | |             .map(|x| *x)
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]     |
[INFO] [stderr] 99  |         Self::get_surrounding_fields(field)
[INFO] [stderr] 100 |             .iter()
[INFO] [stderr] 101 |             .filter(|&&(_, direction)| {
[INFO] [stderr] 102 |                 self.check_for_wall_unsafe(field, direction) == WallPlaced::IsEmpty
[INFO] [stderr] 103 |             }).cloned()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/board_square/mod.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 | /             new_visited_fields
[INFO] [stderr] 176 | |                 .iter()
[INFO] [stderr] 177 | |                 .map(|&x| visited_fields.push(x))
[INFO] [stderr] 178 | |                 .collect::<Vec<_>>();
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: you are collect()ing an iterator and throwing away the result. Consider using an explicit for loop to exhaust the iterator
[INFO] [stderr]    --> src/board_square/mod.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 | /             new_visited_fields
[INFO] [stderr] 176 | |                 .iter()
[INFO] [stderr] 177 | |                 .map(|&x| visited_fields.push(x))
[INFO] [stderr] 178 | |                 .collect::<Vec<_>>();
[INFO] [stderr]     | |____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_collect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_collect
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `varidor`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7fe85e7b703ccc1bea423595e9da341bdc0068081951be053a25d74fad75d8f0"`
[INFO] running `"docker" "rm" "-f" "7fe85e7b703ccc1bea423595e9da341bdc0068081951be053a25d74fad75d8f0"`
[INFO] [stdout] 7fe85e7b703ccc1bea423595e9da341bdc0068081951be053a25d74fad75d8f0