[INFO] updating cached repository TheRiven/mazegenerator [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/TheRiven/mazegenerator [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/TheRiven/mazegenerator" "work/ex/clippy-test-run/sources/stable/gh/TheRiven/mazegenerator"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/TheRiven/mazegenerator'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/TheRiven/mazegenerator" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TheRiven/mazegenerator"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TheRiven/mazegenerator'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9e021d139b3ec222eae371c8cfb95033e6e5a168 [INFO] sha for GitHub repo TheRiven/mazegenerator: 9e021d139b3ec222eae371c8cfb95033e6e5a168 [INFO] validating manifest of TheRiven/mazegenerator 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 TheRiven/mazegenerator 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 TheRiven/mazegenerator [INFO] finished frobbing TheRiven/mazegenerator [INFO] frobbed toml for TheRiven/mazegenerator written to work/ex/clippy-test-run/sources/stable/gh/TheRiven/mazegenerator/Cargo.toml [INFO] started frobbing TheRiven/mazegenerator [INFO] finished frobbing TheRiven/mazegenerator [INFO] frobbed toml for TheRiven/mazegenerator written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TheRiven/mazegenerator/Cargo.toml [INFO] crate TheRiven/mazegenerator 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 TheRiven/mazegenerator 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/TheRiven/mazegenerator:/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] 5f1137405f15b3813486f8a0d959fea63a2f541e608b9a68033987273454d528 [INFO] running `"docker" "start" "-a" "5f1137405f15b3813486f8a0d959fea63a2f541e608b9a68033987273454d528"` [INFO] [stderr] Checking jpeg-decoder v0.1.14 [INFO] [stderr] Checking image v0.18.0 [INFO] [stderr] Checking mazegenerator v0.8.0 (/opt/crater/workdir) [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] --> src/mazebuilder/kruskal.rs:167:5 [INFO] [stderr] | [INFO] [stderr] 167 | chosen [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::let_and_return)] on by default [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/mazebuilder/kruskal.rs:165:18 [INFO] [stderr] | [INFO] [stderr] 165 | let chosen = walls.remove(random); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] --> src/mazebuilder/maze.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | cell [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/mazebuilder/maze.rs:26:20 [INFO] [stderr] | [INFO] [stderr] 26 | let cell = self.maze_data.get((x + y * self.width) as usize); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] --> src/mazesolver/a_star.rs:119:5 [INFO] [stderr] | [INFO] [stderr] 119 | result [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/mazesolver/a_star.rs:117:18 [INFO] [stderr] | [INFO] [stderr] 117 | let result = (a + b).sqrt(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] --> src/mazebuilder/kruskal.rs:167:5 [INFO] [stderr] | [INFO] [stderr] 167 | chosen [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::let_and_return)] on by default [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/mazebuilder/kruskal.rs:165:18 [INFO] [stderr] | [INFO] [stderr] 165 | let chosen = walls.remove(random); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] --> src/mazebuilder/maze.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | cell [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/mazebuilder/maze.rs:26:20 [INFO] [stderr] | [INFO] [stderr] --> src/mazesolver/mod.rs:25:5 [INFO] [stderr] 26 | let cell = self.maze_data.get((x + y * self.width) as usize); [INFO] [stderr] | [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 25 | path [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] | [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/mazesolver/mod.rs:19:16 [INFO] [stderr] | [INFO] [stderr] 19 | let path = match solver { [INFO] [stderr] | ________________^ [INFO] [stderr] 20 | | Solver::BFS => bfs::breadth_first_search(start, end, maze), [INFO] [stderr] 21 | | Solver::LeftTurn => leftturn::left_first(start, end, maze), [INFO] [stderr] 22 | | Solver::AStar => a_star::solve(start, end, maze), [INFO] [stderr] 23 | | }; [INFO] [stderr] | |_____^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] --> src/mazesolver/a_star.rs:119:5 [INFO] [stderr] | [INFO] [stderr] 119 | result [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/mazesolver/a_star.rs:117:18 [INFO] [stderr] | [INFO] [stderr] 117 | let result = (a + b).sqrt(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] --> src/mazesolver/mod.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | path [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/mazesolver/mod.rs:19:16 [INFO] [stderr] | [INFO] [stderr] 19 | let path = match solver { [INFO] [stderr] | ________________^ [INFO] [stderr] 20 | | Solver::BFS => bfs::breadth_first_search(start, end, maze), [INFO] [stderr] 21 | | Solver::LeftTurn => leftturn::left_first(start, end, maze), [INFO] [stderr] 22 | | Solver::AStar => a_star::solve(start, end, maze), [INFO] [stderr] 23 | | }; [INFO] [stderr] | |_____^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] [INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead [INFO] [stderr] --> src/imagecontrol.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let ref mut fout = File::create("maze.png").unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^------------------------------------- help: try: `let fout = &mut File::create("maze.png").unwrap();` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::toplevel_ref_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg [INFO] [stderr] [INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead [INFO] [stderr] --> src/imagecontrol.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let ref mut fout = File::create("solved-maze.png").unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^-------------------------------------------- help: try: `let fout = &mut File::create("solved-maze.png").unwrap();` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/mazebuilder/dfs.rs:27:12 [INFO] [stderr] | [INFO] [stderr] 27 | if neighbours.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!neighbours.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: length comparison to zero [INFO] [stderr] --> src/mazebuilder/dfs.rs:51:16 [INFO] [stderr] | [INFO] [stderr] 51 | if stack.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!stack.is_empty()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/mazebuilder/dfs.rs:86:42 [INFO] [stderr] | [INFO] [stderr] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(&'a Cell, Direction)]` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ptr_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/mazebuilder/imperfect.rs:133:32 [INFO] [stderr] | [INFO] [stderr] 133 | fn pick_random_cell(cell_list: &Vec) -> (Cell, usize) { [INFO] [stderr] | ^^^^^^^^^^ help: change this to: `&[Cell]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/mazebuilder/kruskal.rs:58:11 [INFO] [stderr] | [INFO] [stderr] 58 | while walls.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!walls.is_empty()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/mazebuilder/kruskal.rs:77:26 [INFO] [stderr] | [INFO] [stderr] 77 | cells.insert(wall_cell.clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `wall_cell` [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] warning: length comparison to zero [INFO] [stderr] --> src/mazebuilder/kruskal.rs:115:11 [INFO] [stderr] | [INFO] [stderr] 115 | while cell_stack.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!cell_stack.is_empty()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/mazebuilder/kruskal.rs:126:21 [INFO] [stderr] | [INFO] [stderr] 126 | x = x - 1 [INFO] [stderr] | ^^^^^^^^^ help: replace it with: `x -= 1` [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/mazebuilder/kruskal.rs:129:21 [INFO] [stderr] | [INFO] [stderr] 129 | x = x + 1 [INFO] [stderr] | ^^^^^^^^^ help: replace it with: `x += 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: manual implementation of an assign operation [INFO] [stderr] --> src/mazebuilder/kruskal.rs:133:21 [INFO] [stderr] | [INFO] [stderr] 133 | y = y - 1 [INFO] [stderr] | ^^^^^^^^^ help: replace it with: `y -= 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: manual implementation of an assign operation [INFO] [stderr] --> src/mazebuilder/kruskal.rs:136:21 [INFO] [stderr] | [INFO] [stderr] 136 | y = y + 1 [INFO] [stderr] | ^^^^^^^^^ help: replace it with: `y += 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: equality checks against false can be replaced by a negation [INFO] [stderr] --> src/mazebuilder/kruskal.rs:149:20 [INFO] [stderr] | [INFO] [stderr] 149 | if cell_stack.contains(&cell) == false { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!cell_stack.contains(&cell)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::bool_comparison)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison [INFO] [stderr] [INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazebuilder/kruskal.rs:170:35 [INFO] [stderr] | [INFO] [stderr] 170 | fn find_cell_neighbours<'a>(cell: &Cell, cells: &'a HashSet) -> Vec { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Cell` [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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead [INFO] [stderr] --> src/imagecontrol.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let ref mut fout = File::create("maze.png").unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^------------------------------------- help: try: `let fout = &mut File::create("maze.png").unwrap();` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::toplevel_ref_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg [INFO] [stderr] [INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead [INFO] [stderr] --> src/imagecontrol.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let ref mut fout = File::create("solved-maze.png").unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^-------------------------------------------- help: try: `let fout = &mut File::create("solved-maze.png").unwrap();` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/mazebuilder/dfs.rs:27:12 [INFO] [stderr] | [INFO] [stderr] 27 | if neighbours.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!neighbours.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: length comparison to zero [INFO] [stderr] --> src/mazebuilder/dfs.rs:51:16 [INFO] [stderr] | [INFO] [stderr] 51 | if stack.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!stack.is_empty()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/mazebuilder/dfs.rs:86:42 [INFO] [stderr] | [INFO] [stderr] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(&'a Cell, Direction)]` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ptr_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/bfs.rs:85:11 [INFO] [stderr] | [INFO] [stderr] 85 | node: &'a (u32, u32), [INFO] [stderr] | ^^^^^^^^^^^^^^ help: consider passing by value instead: `(u32, u32)` [INFO] [stderr] | [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: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise [INFO] [stderr] --> src/mazesolver/bfs.rs:93:22 [INFO] [stderr] | [INFO] [stderr] 93 | let mut parent = meta.get(current_node).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&meta[current_node]` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::get_unwrap)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap [INFO] [stderr] [INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise [INFO] [stderr] --> src/mazesolver/bfs.rs:100:18 [INFO] [stderr] | [INFO] [stderr] 100 | parent = meta.get(current_node).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&meta[current_node]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap [INFO] [stderr] [INFO] [stderr] error: Variable in the condition are not mutated in the loop body. This either leads to an infinite or to a never running loop. [INFO] [stderr] --> src/mazesolver/leftturn.rs:35:11 [INFO] [stderr] | [INFO] [stderr] 35 | while at_end { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::while_immutable_condition)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_immutable_condition [INFO] [stderr] [INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/mazebuilder/imperfect.rs:133:32 [INFO] [stderr] | [INFO] [stderr] 133 | fn pick_random_cell(cell_list: &Vec) -> (Cell, usize) { [INFO] [stderr] | ^^^^^^^^^^ help: change this to: `&[Cell]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/mazesolver/leftturn.rs:148:11 [INFO] [stderr] | [INFO] [stderr] 148 | while path.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!path.is_empty()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/mazesolver/a_star.rs:45:11 [INFO] [stderr] | [INFO] [stderr] 45 | while open_set.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!open_set.is_empty()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: equality checks against false can be replaced by a negation [INFO] [stderr] --> src/mazesolver/a_star.rs:63:16 [INFO] [stderr] | [INFO] [stderr] 63 | if open_set.contains(neighbour) == false { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!open_set.contains(neighbour)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison [INFO] [stderr] [INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:108:25 [INFO] [stderr] | [INFO] [stderr] 108 | fn heuristic_cost(node: &Node, goal: &Node) -> f32 { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:108:38 [INFO] [stderr] | [INFO] [stderr] 108 | fn heuristic_cost(node: &Node, goal: &Node) -> f32 { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:124:18 [INFO] [stderr] | [INFO] [stderr] 124 | mut current: &'a Node, [INFO] [stderr] | ^^^^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: length comparison to zero [INFO] [stderr] --> src/mazebuilder/kruskal.rs:58:11 [INFO] [stderr] | [INFO] [stderr] 58 | while walls.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!walls.is_empty()` [INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] | [INFO] [stderr] --> src/mazesolver/a_star.rs:125:15 [INFO] [stderr] | [INFO] [stderr] 125 | end_node: &'a Node, [INFO] [stderr] | ^^^^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:138:37 [INFO] [stderr] | [INFO] [stderr] 138 | fn get_node_neighbours<'a>(current: &Node, maze: &'a HashSet) -> Vec<&'a Node> { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: using `clone` on a `Copy` type [INFO] [stderr] --> src/mazebuilder/kruskal.rs:77:26 [INFO] [stderr] | [INFO] [stderr] 77 | cells.insert(wall_cell.clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `wall_cell` [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] warning: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:160:24 [INFO] [stderr] | [INFO] [stderr] 160 | fn get_north<'a>(node: &Node, maze: &'a HashSet) -> Option<&'a Node> { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:174:23 [INFO] [stderr] | [INFO] [stderr] 174 | fn get_east<'a>(node: &Node, maze: &'a HashSet) -> Option<&'a Node> { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:185:24 [INFO] [stderr] | [INFO] [stderr] 185 | fn get_south<'a>(node: &Node, maze: &'a HashSet) -> Option<&'a Node> { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: length comparison to zero [INFO] [stderr] --> src/mazebuilder/kruskal.rs:115:11 [INFO] [stderr] | [INFO] [stderr] 115 | while cell_stack.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!cell_stack.is_empty()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:196:23 [INFO] [stderr] | [INFO] [stderr] 196 | fn get_west<'a>(node: &Node, maze: &'a HashSet) -> Option<&'a Node> { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: manual implementation of an assign operation [INFO] [stderr] --> src/mazebuilder/kruskal.rs:126:21 [INFO] [stderr] | [INFO] [stderr] 126 | x = x - 1 [INFO] [stderr] | ^^^^^^^^^ help: replace it with: `x -= 1` [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/mazebuilder/kruskal.rs:129:21 [INFO] [stderr] | [INFO] [stderr] 129 | x = x + 1 [INFO] [stderr] | ^^^^^^^^^ help: replace it with: `x += 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: manual implementation of an assign operation [INFO] [stderr] --> src/mazebuilder/kruskal.rs:133:21 [INFO] [stderr] | [INFO] [stderr] 133 | y = y - 1 [INFO] [stderr] | ^^^^^^^^^ help: replace it with: `y -= 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: manual implementation of an assign operation [INFO] [stderr] --> src/mazebuilder/kruskal.rs:136:21 [INFO] [stderr] | [INFO] [stderr] 136 | y = y + 1 [INFO] [stderr] | ^^^^^^^^^ help: replace it with: `y += 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: equality checks against false can be replaced by a negation [INFO] [stderr] --> src/mazebuilder/kruskal.rs:149:20 [INFO] [stderr] | [INFO] [stderr] 149 | if cell_stack.contains(&cell) == false { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!cell_stack.contains(&cell)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::bool_comparison)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison [INFO] [stderr] [INFO] [stderr] warning: parameter of type `HashSet` should be generalized over different hashers [INFO] [stderr] --> src/lib.rs:40:51 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn solve_maze(height: u32, width: u32, maze: &HashSet<(u32, u32)>) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::implicit_hasher)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher [INFO] [stderr] help: consider adding a type parameter [INFO] [stderr] | [INFO] [stderr] 40 | pub fn solve_maze(height: u32, width: u32, maze: &HashSet<(u32, u32), S>) { [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/mazebuilder/kruskal.rs:170:35 [INFO] [stderr] | [INFO] [stderr] 170 | fn find_cell_neighbours<'a>(cell: &Cell, cells: &'a HashSet) -> Vec { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Cell` [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] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/bfs.rs:85:11 [INFO] [stderr] | [INFO] [stderr] 85 | node: &'a (u32, u32), [INFO] [stderr] | ^^^^^^^^^^^^^^ help: consider passing by value instead: `(u32, u32)` [INFO] [stderr] | [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: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise [INFO] [stderr] --> src/mazesolver/bfs.rs:93:22 [INFO] [stderr] | [INFO] [stderr] 93 | let mut parent = meta.get(current_node).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&meta[current_node]` [INFO] [stderr] | [INFO] [stderr] error: Could not compile `mazegenerator`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] = note: #[warn(clippy::get_unwrap)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap [INFO] [stderr] [INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise [INFO] [stderr] --> src/mazesolver/bfs.rs:100:18 [INFO] [stderr] | [INFO] [stderr] 100 | parent = meta.get(current_node).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&meta[current_node]` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap [INFO] [stderr] [INFO] [stderr] error: Variable in the condition are not mutated in the loop body. This either leads to an infinite or to a never running loop. [INFO] [stderr] --> src/mazesolver/leftturn.rs:35:11 [INFO] [stderr] | [INFO] [stderr] 35 | while at_end { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::while_immutable_condition)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_immutable_condition [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/mazesolver/leftturn.rs:148:11 [INFO] [stderr] | [INFO] [stderr] 148 | while path.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!path.is_empty()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/mazesolver/a_star.rs:45:11 [INFO] [stderr] | [INFO] [stderr] 45 | while open_set.len() > 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!open_set.is_empty()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: equality checks against false can be replaced by a negation [INFO] [stderr] --> src/mazesolver/a_star.rs:63:16 [INFO] [stderr] | [INFO] [stderr] 63 | if open_set.contains(neighbour) == false { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `!open_set.contains(neighbour)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison [INFO] [stderr] [INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:108:25 [INFO] [stderr] | [INFO] [stderr] 108 | fn heuristic_cost(node: &Node, goal: &Node) -> f32 { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:108:38 [INFO] [stderr] | [INFO] [stderr] 108 | fn heuristic_cost(node: &Node, goal: &Node) -> f32 { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:124:18 [INFO] [stderr] | [INFO] [stderr] 124 | mut current: &'a Node, [INFO] [stderr] | ^^^^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:125:15 [INFO] [stderr] | [INFO] [stderr] 125 | end_node: &'a Node, [INFO] [stderr] | ^^^^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:138:37 [INFO] [stderr] | [INFO] [stderr] 138 | fn get_node_neighbours<'a>(current: &Node, maze: &'a HashSet) -> Vec<&'a Node> { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:160:24 [INFO] [stderr] | [INFO] [stderr] 160 | fn get_north<'a>(node: &Node, maze: &'a HashSet) -> Option<&'a Node> { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:174:23 [INFO] [stderr] | [INFO] [stderr] 174 | fn get_east<'a>(node: &Node, maze: &'a HashSet) -> Option<&'a Node> { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:185:24 [INFO] [stderr] | [INFO] [stderr] 185 | fn get_south<'a>(node: &Node, maze: &'a HashSet) -> Option<&'a Node> { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: this argument is passed by reference, but would be more efficient if passed by value [INFO] [stderr] --> src/mazesolver/a_star.rs:196:23 [INFO] [stderr] | [INFO] [stderr] 196 | fn get_west<'a>(node: &Node, maze: &'a HashSet) -> Option<&'a Node> { [INFO] [stderr] | ^^^^^ help: consider passing by value instead: `Node` [INFO] [stderr] | [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: parameter of type `HashSet` should be generalized over different hashers [INFO] [stderr] --> src/lib.rs:40:51 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn solve_maze(height: u32, width: u32, maze: &HashSet<(u32, u32)>) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::implicit_hasher)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher [INFO] [stderr] help: consider adding a type parameter [INFO] [stderr] | [INFO] [stderr] 40 | pub fn solve_maze(height: u32, width: u32, maze: &HashSet<(u32, u32), S>) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `mazegenerator`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "5f1137405f15b3813486f8a0d959fea63a2f541e608b9a68033987273454d528"` [INFO] running `"docker" "rm" "-f" "5f1137405f15b3813486f8a0d959fea63a2f541e608b9a68033987273454d528"` [INFO] [stdout] 5f1137405f15b3813486f8a0d959fea63a2f541e608b9a68033987273454d528