[INFO] updating cached repository PKoshkin/voxel_craft
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PKoshkin/voxel_craft
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PKoshkin/voxel_craft" "work/ex/clippy-test-run/sources/stable/gh/PKoshkin/voxel_craft"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/PKoshkin/voxel_craft'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PKoshkin/voxel_craft" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PKoshkin/voxel_craft"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PKoshkin/voxel_craft'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2a2d6e84dd634e5608ac9ca2b0a5c8bdcd5ab96
[INFO] sha for GitHub repo PKoshkin/voxel_craft: a2a2d6e84dd634e5608ac9ca2b0a5c8bdcd5ab96
[INFO] validating manifest of PKoshkin/voxel_craft 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 PKoshkin/voxel_craft 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 PKoshkin/voxel_craft
[INFO] finished frobbing PKoshkin/voxel_craft
[INFO] frobbed toml for PKoshkin/voxel_craft written to work/ex/clippy-test-run/sources/stable/gh/PKoshkin/voxel_craft/Cargo.toml
[INFO] started frobbing PKoshkin/voxel_craft
[INFO] finished frobbing PKoshkin/voxel_craft
[INFO] frobbed toml for PKoshkin/voxel_craft written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PKoshkin/voxel_craft/Cargo.toml
[INFO] crate PKoshkin/voxel_craft 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 PKoshkin/voxel_craft 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/PKoshkin/voxel_craft:/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] 8f7a4a5322720b3836f1fdc9dcfbe92c3b1421ec333b2f52ef84331eae66918b
[INFO] running `"docker" "start" "-a" "8f7a4a5322720b3836f1fdc9dcfbe92c3b1421ec333b2f52ef84331eae66918b"`
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]    Compiling glium v0.20.0
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking wayland-client v0.12.5
[INFO] [stderr]     Checking wayland-protocols v0.12.5
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking wayland-window v0.13.2
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking glutin v0.12.2
[INFO] [stderr]     Checking voxel_craft v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/game_application/view.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             camera: camera,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `camera`
[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/game_application/view.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |             directory: directory,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `directory`
[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/game_application/view.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |             display: display,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `display`
[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/game_application/view.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |             texture: texture,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `texture`
[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/game_application/view.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             normal_map: normal_map
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `normal_map`
[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/game_application/model.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             map: map
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `map`
[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/game_application/model.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             shape: shape,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `shape`
[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/game_application/map.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             voxel_size: voxel_size,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `voxel_size`
[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/game_application/map.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             map_size: map_size,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `map_size`
[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/game_application/map.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             voxels: voxels,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `voxels`
[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/game_application/map.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             camera_position: camera_position,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `camera_position`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/game_application/camera.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             position: position,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `position`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/game_application/camera.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             aspect_ratio: aspect_ratio,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `aspect_ratio`
[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/game_application/mod.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             directory: directory
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `directory`
[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/game_application/view.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             camera: camera,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `camera`
[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/game_application/view.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |             directory: directory,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `directory`
[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/game_application/view.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |             display: display,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `display`
[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/game_application/view.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |             texture: texture,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `texture`
[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/game_application/view.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             normal_map: normal_map
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `normal_map`
[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/game_application/model.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             map: map
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `map`
[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/game_application/model.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             shape: shape,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `shape`
[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/game_application/map.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             voxel_size: voxel_size,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `voxel_size`
[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/game_application/map.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             map_size: map_size,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `map_size`
[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/game_application/map.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             voxels: voxels,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `voxels`
[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/game_application/map.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             camera_position: camera_position,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `camera_position`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/game_application/camera.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             position: position,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `position`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/game_application/camera.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             aspect_ratio: aspect_ratio,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `aspect_ratio`
[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/game_application/mod.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             directory: directory
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `directory`
[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: unneeded return statement
[INFO] [stderr]   --> src/game_application/map.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         return self.vertices.clone();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.vertices.clone()`
[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: long literal lacking separators
[INFO] [stderr]   --> src/game_application/camera.rs:59:24
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let fov: f32 = 3.141592 / 3.0;
[INFO] [stderr]    |                        ^^^^^^^^ help: consider: `3.141_592`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/game_application/marching_cubes.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Vector3`
[INFO] [stderr]  --> src/game_application/marching_cubes.rs:2:32
[INFO] [stderr]   |
[INFO] [stderr] 2 | use game_application::cgmath::{Vector3, Point3};
[INFO] [stderr]   |                                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `game_application::geometry::normalize`
[INFO] [stderr]  --> src/game_application/marching_cubes.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use game_application::geometry::normalize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/game_application/map.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         return self.vertices.clone();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.vertices.clone()`
[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: long literal lacking separators
[INFO] [stderr]   --> src/game_application/camera.rs:59:24
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let fov: f32 = 3.141592 / 3.0;
[INFO] [stderr]    |                        ^^^^^^^^ help: consider: `3.141_592`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/game_application/marching_cubes.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Vector3`
[INFO] [stderr]  --> src/game_application/marching_cubes.rs:2:32
[INFO] [stderr]   |
[INFO] [stderr] 2 | use game_application::cgmath::{Vector3, Point3};
[INFO] [stderr]   |                                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `game_application::geometry::normalize`
[INFO] [stderr]  --> src/game_application/marching_cubes.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use game_application::geometry::normalize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]    --> src/game_application/view.rs:122:36
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn handle_event(&mut self, event: &glutin::WindowEvent) {
[INFO] [stderr]     |                                    ^^^^^ help: consider using `_event` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/game_application/model.rs:30:36
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn handle_event(&mut self, event: &glutin::WindowEvent) {
[INFO] [stderr]    |                                    ^^^^^ help: consider using `_event` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `camera_position`
[INFO] [stderr]   --> src/game_application/map.rs:48:30
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn need_to_redraw(&self, camera_position: Point3<f32>) -> bool {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^ help: consider using `_camera_position` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `triangles`
[INFO] [stderr]    --> src/game_application/mesh.rs:127:21
[INFO] [stderr]     |
[INFO] [stderr] 127 |         for (point, triangles) in self.point_neighbors.iter() {
[INFO] [stderr]     |                     ^^^^^^^^^ help: consider using `_triangles` instead
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `init_points_program`
[INFO] [stderr]   --> src/game_application/view.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn init_points_program(display: &glium::Display, directory: &str) -> glium::Program {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `handle_event`
[INFO] [stderr]    --> src/game_application/view.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn handle_event(&mut self, event: &glutin::WindowEvent) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `handle_event`
[INFO] [stderr]   --> src/game_application/model.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn handle_event(&mut self, event: &glutin::WindowEvent) {
[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/game_application/vertex.rs:12:74
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(point: &Point3<usize>, normal: &Vector3<f32>, tex_coords: &[f32; 2], voxel_size: f32) -> Vertex {
[INFO] [stderr]    |                                                                          ^^^^^^^^^ help: consider passing by value instead: `[f32; 2]`
[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: an inclusive range would be more readable
[INFO] [stderr]   --> src/game_application/map.rs:41:26
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 for z in 0..(*height + 1) {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^ help: use: `0..=*height`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/game_application/map.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         self.vertices.len() == 0
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.vertices.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] error: approximate value of `f{32, 64}::consts::PI` found. Consider using it directly
[INFO] [stderr]   --> src/game_application/camera.rs:59:24
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let fov: f32 = 3.141592 / 3.0;
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::approx_constant)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#approx_constant
[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/game_application/marching_cubes.rs:284:29
[INFO] [stderr]     |
[INFO] [stderr] 284 | pub fn process_cube(voxels: &Vec<Vec<Vec<bool>>>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<Vec<bool>>]`
[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/game_application/marching_cubes.rs:314:29
[INFO] [stderr]     |
[INFO] [stderr] 314 | pub fn get_vertices(voxels: &Vec<Vec<Vec<bool>>>, voxel_size: f32) -> Vec<Vertex> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<Vec<bool>>]`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/game_application/diamond_square.rs:57:47
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 result[x][y] = result[x][y] / (counter as f64) + get_delta(random, roughness, square_size);
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^ help: try: `f64::from(counter)`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/game_application/diamond_square.rs:79:47
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 result[x][y] = result[x][y] / (counter as f64) + get_delta(random, roughness, square_size);
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^ help: try: `f64::from(counter)`
[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] error: you are deriving `Hash` but have implemented `PartialEq` explicitly
[INFO] [stderr]   --> src/game_application/mesh.rs:11:14
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Eq, Hash, Copy, Clone)]
[INFO] [stderr]    |              ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::derive_hash_xor_eq)] on by default
[INFO] [stderr] note: `PartialEq` implemented here
[INFO] [stderr]   --> src/game_application/mesh.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | / impl PartialEq for Triangle {
[INFO] [stderr] 43 | |     fn eq(&self, other: &Triangle) -> bool {
[INFO] [stderr] 44 | |         let self_set: HashSet<&Point> = HashSet::from_iter(self.points.iter());
[INFO] [stderr] 45 | |         let other_set: HashSet<&Point> = HashSet::from_iter(other.points.iter());
[INFO] [stderr] 46 | |         self_set == other_set
[INFO] [stderr] 47 | |     }
[INFO] [stderr] 48 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_hash_xor_eq
[INFO] [stderr] 
[INFO] [stderr] error: you are deriving `Hash` but have implemented `PartialEq` explicitly
[INFO] [stderr]   --> src/game_application/mesh.rs:51:14
[INFO] [stderr]    |
[INFO] [stderr] 51 | #[derive(Eq, Hash, Copy, Clone)]
[INFO] [stderr]    |              ^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `PartialEq` implemented here
[INFO] [stderr]   --> src/game_application/mesh.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | / impl PartialEq for Edge {
[INFO] [stderr] 70 | |     fn eq(&self, other: &Edge) -> bool {
[INFO] [stderr] 71 | |         let self_set: HashSet<&Point> = HashSet::from_iter(self.points.iter());
[INFO] [stderr] 72 | |         let other_set: HashSet<&Point> = HashSet::from_iter(other.points.iter());
[INFO] [stderr] 73 | |         self_set == other_set
[INFO] [stderr] 74 | |     }
[INFO] [stderr] 75 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_hash_xor_eq
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> src/game_application/mesh.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 | /             if !self.edge_neighbors.contains_key(&edge) {
[INFO] [stderr] 116 | |                 self.edge_neighbors.insert(edge, Vec::new());
[INFO] [stderr] 117 | |             }
[INFO] [stderr]     | |_____________^ help: consider using: `self.edge_neighbors.entry(edge).or_insert(Vec::new())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]    --> src/game_application/view.rs:122:36
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn handle_event(&mut self, event: &glutin::WindowEvent) {
[INFO] [stderr]     |                                    ^^^^^ help: consider using `_event` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/game_application/model.rs:30:36
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn handle_event(&mut self, event: &glutin::WindowEvent) {
[INFO] [stderr]    |                                    ^^^^^ help: consider using `_event` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `camera_position`
[INFO] [stderr]   --> src/game_application/map.rs:48:30
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn need_to_redraw(&self, camera_position: Point3<f32>) -> bool {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^ help: consider using `_camera_position` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `triangles`
[INFO] [stderr]    --> src/game_application/mesh.rs:127:21
[INFO] [stderr]     |
[INFO] [stderr] 127 |         for (point, triangles) in self.point_neighbors.iter() {
[INFO] [stderr]     |                     ^^^^^^^^^ help: consider using `_triangles` instead
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `voxel_craft`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: function is never used: `init_points_program`
[INFO] [stderr]   --> src/game_application/view.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn init_points_program(display: &glium::Display, directory: &str) -> glium::Program {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `handle_event`
[INFO] [stderr]    --> src/game_application/view.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn handle_event(&mut self, event: &glutin::WindowEvent) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `handle_event`
[INFO] [stderr]   --> src/game_application/model.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn handle_event(&mut self, event: &glutin::WindowEvent) {
[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/game_application/vertex.rs:12:74
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(point: &Point3<usize>, normal: &Vector3<f32>, tex_coords: &[f32; 2], voxel_size: f32) -> Vertex {
[INFO] [stderr]    |                                                                          ^^^^^^^^^ help: consider passing by value instead: `[f32; 2]`
[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: an inclusive range would be more readable
[INFO] [stderr]   --> src/game_application/map.rs:41:26
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 for z in 0..(*height + 1) {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^ help: use: `0..=*height`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/game_application/map.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         self.vertices.len() == 0
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.vertices.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] error: approximate value of `f{32, 64}::consts::PI` found. Consider using it directly
[INFO] [stderr]   --> src/game_application/camera.rs:59:24
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let fov: f32 = 3.141592 / 3.0;
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::approx_constant)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#approx_constant
[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/game_application/marching_cubes.rs:284:29
[INFO] [stderr]     |
[INFO] [stderr] 284 | pub fn process_cube(voxels: &Vec<Vec<Vec<bool>>>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<Vec<bool>>]`
[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/game_application/marching_cubes.rs:314:29
[INFO] [stderr]     |
[INFO] [stderr] 314 | pub fn get_vertices(voxels: &Vec<Vec<Vec<bool>>>, voxel_size: f32) -> Vec<Vertex> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<Vec<bool>>]`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/game_application/diamond_square.rs:57:47
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 result[x][y] = result[x][y] / (counter as f64) + get_delta(random, roughness, square_size);
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^ help: try: `f64::from(counter)`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/game_application/diamond_square.rs:79:47
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 result[x][y] = result[x][y] / (counter as f64) + get_delta(random, roughness, square_size);
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^ help: try: `f64::from(counter)`
[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] error: you are deriving `Hash` but have implemented `PartialEq` explicitly
[INFO] [stderr]   --> src/game_application/mesh.rs:11:14
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Eq, Hash, Copy, Clone)]
[INFO] [stderr]    |              ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::derive_hash_xor_eq)] on by default
[INFO] [stderr] note: `PartialEq` implemented here
[INFO] [stderr]   --> src/game_application/mesh.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | / impl PartialEq for Triangle {
[INFO] [stderr] 43 | |     fn eq(&self, other: &Triangle) -> bool {
[INFO] [stderr] 44 | |         let self_set: HashSet<&Point> = HashSet::from_iter(self.points.iter());
[INFO] [stderr] 45 | |         let other_set: HashSet<&Point> = HashSet::from_iter(other.points.iter());
[INFO] [stderr] 46 | |         self_set == other_set
[INFO] [stderr] 47 | |     }
[INFO] [stderr] 48 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_hash_xor_eq
[INFO] [stderr] 
[INFO] [stderr] error: you are deriving `Hash` but have implemented `PartialEq` explicitly
[INFO] [stderr]   --> src/game_application/mesh.rs:51:14
[INFO] [stderr]    |
[INFO] [stderr] 51 | #[derive(Eq, Hash, Copy, Clone)]
[INFO] [stderr]    |              ^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `PartialEq` implemented here
[INFO] [stderr]   --> src/game_application/mesh.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | / impl PartialEq for Edge {
[INFO] [stderr] 70 | |     fn eq(&self, other: &Edge) -> bool {
[INFO] [stderr] 71 | |         let self_set: HashSet<&Point> = HashSet::from_iter(self.points.iter());
[INFO] [stderr] 72 | |         let other_set: HashSet<&Point> = HashSet::from_iter(other.points.iter());
[INFO] [stderr] 73 | |         self_set == other_set
[INFO] [stderr] 74 | |     }
[INFO] [stderr] 75 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_hash_xor_eq
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> src/game_application/mesh.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 | /             if !self.edge_neighbors.contains_key(&edge) {
[INFO] [stderr] 116 | |                 self.edge_neighbors.insert(edge, Vec::new());
[INFO] [stderr] 117 | |             }
[INFO] [stderr]     | |_____________^ help: consider using: `self.edge_neighbors.entry(edge).or_insert(Vec::new())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `voxel_craft`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8f7a4a5322720b3836f1fdc9dcfbe92c3b1421ec333b2f52ef84331eae66918b"`
[INFO] running `"docker" "rm" "-f" "8f7a4a5322720b3836f1fdc9dcfbe92c3b1421ec333b2f52ef84331eae66918b"`
[INFO] [stdout] 8f7a4a5322720b3836f1fdc9dcfbe92c3b1421ec333b2f52ef84331eae66918b