[INFO] updating cached repository jameshiew/ave
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jameshiew/ave
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jameshiew/ave" "work/ex/clippy-test-run/sources/stable/gh/jameshiew/ave"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jameshiew/ave'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jameshiew/ave" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jameshiew/ave"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jameshiew/ave'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 441d46bbfcaf1bee4cf27cc26518c7a79a6f3537
[INFO] sha for GitHub repo jameshiew/ave: 441d46bbfcaf1bee4cf27cc26518c7a79a6f3537
[INFO] validating manifest of jameshiew/ave 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 jameshiew/ave 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 jameshiew/ave
[INFO] finished frobbing jameshiew/ave
[INFO] frobbed toml for jameshiew/ave written to work/ex/clippy-test-run/sources/stable/gh/jameshiew/ave/Cargo.toml
[INFO] started frobbing jameshiew/ave
[INFO] finished frobbing jameshiew/ave
[INFO] frobbed toml for jameshiew/ave written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jameshiew/ave/Cargo.toml
[INFO] crate jameshiew/ave 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] [stderr]     Blocking waiting for file lock on the registry index
[INFO] linting jameshiew/ave 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/jameshiew/ave:/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] 1427f963f082e00ac45281fc96f9207f1a400b380a9331af08a0952500640690
[INFO] running `"docker" "start" "-a" "1427f963f082e00ac45281fc96f9207f1a400b380a9331af08a0952500640690"`
[INFO] [stderr]     Checking cgmath v0.15.0
[INFO] [stderr]     Checking noise v0.4.1
[INFO] [stderr]     Checking simplelog v0.4.3
[INFO] [stderr]     Checking float-cmp v0.2.5
[INFO] [stderr]     Checking wayland-window v0.8.0
[INFO] [stderr]     Checking winit v0.8.3
[INFO] [stderr]     Checking glutin v0.10.1
[INFO] [stderr]     Checking glium v0.18.1
[INFO] [stderr]     Checking collision v0.12.0
[INFO] [stderr]     Checking ave v0.1.0-alpha (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/block.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 | /     return [
[INFO] [stderr] 62 | |         [x,       y,       z      ].into(),
[INFO] [stderr] 63 | |         [x,       y,       z + 1.0].into(),
[INFO] [stderr] 64 | |         [x,       y + 1.0, z      ].into(),
[INFO] [stderr] ...  |
[INFO] [stderr] 69 | |         [x + 1.0, y + 1.0, z + 1.0].into(),
[INFO] [stderr] 70 | |     ]
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 61 |     [
[INFO] [stderr] 62 |         [x,       y,       z      ].into(),
[INFO] [stderr] 63 |         [x,       y,       z + 1.0].into(),
[INFO] [stderr] 64 |         [x,       y + 1.0, z      ].into(),
[INFO] [stderr] 65 |         [x,       y + 1.0, z + 1.0].into(),
[INFO] [stderr] 66 |         [x + 1.0, y,       z      ].into(),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/world.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         return set;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: remove `return` as shown: `set`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/world.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         return self.blocks.get(&position);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.blocks.get(&position)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/world.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         return true;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/world.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         return visible;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `visible`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/world.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     return [x as f32, y as f32, z as f32].into();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `[x as f32, y as f32, z as f32].into()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/world.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 |             return self.chunks.get(&coordinates).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.chunks.get(&coordinates).unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/world.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |             return self.chunks.get_mut(&coordinates).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.chunks.get_mut(&coordinates).unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/worldgen.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         return chunk;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `chunk`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/worldgen.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         return chunk;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `chunk`
[INFO] [stderr]    |
[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/main.rs:92:49
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let fixed_time_stamp = Duration::new(0, 16666667);
[INFO] [stderr]    |                                                 ^^^^^^^^ help: consider: `16_666_667`
[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: unneeded return statement
[INFO] [stderr]    --> src/main.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |         return action;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `action`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/block.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 | /     return [
[INFO] [stderr] 62 | |         [x,       y,       z      ].into(),
[INFO] [stderr] 63 | |         [x,       y,       z + 1.0].into(),
[INFO] [stderr] 64 | |         [x,       y + 1.0, z      ].into(),
[INFO] [stderr] ...  |
[INFO] [stderr] 69 | |         [x + 1.0, y + 1.0, z + 1.0].into(),
[INFO] [stderr] 70 | |     ]
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 61 |     [
[INFO] [stderr] 62 |         [x,       y,       z      ].into(),
[INFO] [stderr] 63 |         [x,       y,       z + 1.0].into(),
[INFO] [stderr] 64 |         [x,       y + 1.0, z      ].into(),
[INFO] [stderr] 65 |         [x,       y + 1.0, z + 1.0].into(),
[INFO] [stderr] 66 |         [x + 1.0, y,       z      ].into(),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/world.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         return set;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: remove `return` as shown: `set`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/world.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         return self.blocks.get(&position);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.blocks.get(&position)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/world.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         return true;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/world.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         return visible;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `visible`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/world.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     return [x as f32, y as f32, z as f32].into();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `[x as f32, y as f32, z as f32].into()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/world.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 |             return self.chunks.get(&coordinates).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.chunks.get(&coordinates).unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/world.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |             return self.chunks.get_mut(&coordinates).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.chunks.get_mut(&coordinates).unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/worldgen.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         return chunk;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `chunk`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/worldgen.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         return chunk;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `chunk`
[INFO] [stderr]    |
[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/main.rs:92:49
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let fixed_time_stamp = Duration::new(0, 16666667);
[INFO] [stderr]    |                                                 ^^^^^^^^ help: consider: `16_666_667`
[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: unneeded return statement
[INFO] [stderr]    --> src/main.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |         return action;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `action`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `WATER`
[INFO] [stderr]    --> src/block.rs:175:1
[INFO] [stderr]     |
[INFO] [stderr] 175 | / pub static WATER: &BlockType = &BlockType {
[INFO] [stderr] 176 | |     name: "water",
[INFO] [stderr] 177 | |     color: [0.498, 1.000, 0.831],
[INFO] [stderr] 178 | | };
[INFO] [stderr]     | |__^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_random_color`
[INFO] [stderr]  --> src/color.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn get_random_color() -> Color {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FlatWorldGenerator`
[INFO] [stderr]   --> src/worldgen.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct FlatWorldGenerator {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/worldgen.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new() -> FlatWorldGenerator {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable appears on both sides of an assignment operation
[INFO] [stderr]    --> src/camera.rs:224:17
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 self.move_speed += self.move_speed + 0.1;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::misrefactored_assign_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#misrefactored_assign_op
[INFO] [stderr] help: Did you mean self.move_speed = self.move_speed + 0.1 or self.move_speed = self.move_speed + self.move_speed + 0.1? Consider replacing it with
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 self.move_speed += 0.1;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 self.move_speed = self.move_speed + self.move_speed + 0.1;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/camera.rs:230:17
[INFO] [stderr]     |
[INFO] [stderr] 230 |                 self.move_speed = self.move_speed - 0.1;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.move_speed -= 0.1`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/world.rs:142:78
[INFO] [stderr]     |
[INFO] [stderr] 142 | pub fn get_position(chunk_coordinates: &ChunkCoordinates, block_coordinates: &BlockCoordinates) -> Position {
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^^^^^^^ help: consider passing by value instead: `BlockCoordinates`
[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: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:143:37
[INFO] [stderr]     |
[INFO] [stderr] 143 |     let x = (chunk_coordinates[0] * CHUNK_SIZE as i32) + block_coordinates[0] as i32;
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: try: `i32::from(CHUNK_SIZE)`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:143:58
[INFO] [stderr]     |
[INFO] [stderr] 143 |     let x = (chunk_coordinates[0] * CHUNK_SIZE as i32) + block_coordinates[0] as i32;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(block_coordinates[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:144:37
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let y = (chunk_coordinates[1] * CHUNK_SIZE as i32) + block_coordinates[1] as i32;
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: try: `i32::from(CHUNK_SIZE)`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:144:58
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let y = (chunk_coordinates[1] * CHUNK_SIZE as i32) + block_coordinates[1] as i32;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(block_coordinates[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:145:37
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let z = (chunk_coordinates[2] * CHUNK_SIZE as i32) + block_coordinates[2] as i32;
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: try: `i32::from(CHUNK_SIZE)`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:145:58
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let z = (chunk_coordinates[2] * CHUNK_SIZE as i32) + block_coordinates[2] as i32;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(block_coordinates[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:150:24
[INFO] [stderr]     |
[INFO] [stderr] 150 |     ((coordinates[0] / CHUNK_SIZE as f32) as i32, (coordinates[1] / CHUNK_SIZE as f32) as i32, (coordinates[2] / CHUNK_SIZE as f32) as i32).into()
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^ help: try: `f32::from(CHUNK_SIZE)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:150:69
[INFO] [stderr]     |
[INFO] [stderr] 150 |     ((coordinates[0] / CHUNK_SIZE as f32) as i32, (coordinates[1] / CHUNK_SIZE as f32) as i32, (coordinates[2] / CHUNK_SIZE as f32) as i32).into()
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^^^ help: try: `f32::from(CHUNK_SIZE)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:150:114
[INFO] [stderr]     |
[INFO] [stderr] 150 |     ((coordinates[0] / CHUNK_SIZE as f32) as i32, (coordinates[1] / CHUNK_SIZE as f32) as i32, (coordinates[2] / CHUNK_SIZE as f32) as i32).into()
[INFO] [stderr]     |                                                                                                                  ^^^^^^^^^^^^^^^^^ help: try: `f32::from(CHUNK_SIZE)`
[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: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> src/world.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 | /         if self.chunks.contains_key(&coordinates) {
[INFO] [stderr] 175 | |             return self.chunks.get(&coordinates).unwrap();
[INFO] [stderr] 176 | |         } else {
[INFO] [stderr] 177 | |             let chunk = self.generator.generate_chunk(coordinates);
[INFO] [stderr] 178 | |             self.chunks.insert(coordinates, chunk);
[INFO] [stderr] 179 | |             return self.chunks.get_mut(&coordinates).unwrap();
[INFO] [stderr] 180 | |         }
[INFO] [stderr]     | |_________^ help: consider using: `self.chunks.entry(coordinates)`
[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] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/world.rs:175:20
[INFO] [stderr]     |
[INFO] [stderr] 175 |             return self.chunks.get(&coordinates).unwrap();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.chunks[&coordinates]`
[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: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:188:23
[INFO] [stderr]     |
[INFO] [stderr] 188 |         let iradius = radius as i32;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^ help: try: `i32::from(radius)`
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/world.rs:189:18
[INFO] [stderr]     |
[INFO] [stderr] 189 |         for x in -iradius..iradius + 1 {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^ help: use: `-iradius..=iradius`
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/world.rs:190:22
[INFO] [stderr]     |
[INFO] [stderr] 190 |             for y in -iradius..iradius + 1 {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `-iradius..=iradius`
[INFO] [stderr]     |
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/world.rs:191:26
[INFO] [stderr]     |
[INFO] [stderr] 191 |                 for z in -iradius..iradius + 1 {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^ help: use: `-iradius..=iradius`
[INFO] [stderr]     |
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/world.rs:204:13
[INFO] [stderr]     |
[INFO] [stderr] 204 | /             match chunk_opt {
[INFO] [stderr] 205 | |                 Some(chunk) => {
[INFO] [stderr] 206 | |                     for (block_coordinates, block_type) in chunk.get_visible() {
[INFO] [stderr] 207 | |                         blocks.push((get_position(&chunk_coordinates, &block_coordinates), block_type))
[INFO] [stderr] ...   |
[INFO] [stderr] 210 | |                 None => (),
[INFO] [stderr] 211 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 204 |             if let Some(chunk) = chunk_opt {
[INFO] [stderr] 205 |     for (block_coordinates, block_type) in chunk.get_visible() {
[INFO] [stderr] 206 |         blocks.push((get_position(&chunk_coordinates, &block_coordinates), block_type))
[INFO] [stderr] 207 |     }
[INFO] [stderr] 208 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:226:73
[INFO] [stderr]     |
[INFO] [stderr] 226 |         assert_eq!(get_position(&[1, 1, 1].into(), &[1, 1, 1].into()), [CHUNK_SIZE as f32 + 1.0, CHUNK_SIZE as f32 + 1.0, CHUNK_SIZE as f32 + 1.0].into());
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^ help: try: `f32::from(CHUNK_SIZE)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:226:98
[INFO] [stderr]     |
[INFO] [stderr] 226 |         assert_eq!(get_position(&[1, 1, 1].into(), &[1, 1, 1].into()), [CHUNK_SIZE as f32 + 1.0, CHUNK_SIZE as f32 + 1.0, CHUNK_SIZE as f32 + 1.0].into());
[INFO] [stderr]     |                                                                                                  ^^^^^^^^^^^^^^^^^ help: try: `f32::from(CHUNK_SIZE)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:226:123
[INFO] [stderr]     |
[INFO] [stderr] 226 |         assert_eq!(get_position(&[1, 1, 1].into(), &[1, 1, 1].into()), [CHUNK_SIZE as f32 + 1.0, CHUNK_SIZE as f32 + 1.0, CHUNK_SIZE as f32 + 1.0].into());
[INFO] [stderr]     |                                                                                                                           ^^^^^^^^^^^^^^^^^ help: try: `f32::from(CHUNK_SIZE)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/worldgen.rs:100:67
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     let normalized_height: u8 = (height.powi(4) * (CHUNK_SIZE as f32)) as u8;
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(CHUNK_SIZE)`
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/worldgen.rs:108:34
[INFO] [stderr]     |
[INFO] [stderr] 108 |                         for y in 0..normalized_height + 1 {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `0..=normalized_height`
[INFO] [stderr]     |
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/worldgen.rs:112:34
[INFO] [stderr]     |
[INFO] [stderr] 112 |                         for y in 20..normalized_height + 1 {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `20..=normalized_height`
[INFO] [stderr]     |
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 | /             match event {
[INFO] [stderr] 179 | |                 glutin::Event::WindowEvent { event, .. } => match event {
[INFO] [stderr] 180 | |                     Closed => action = Action::Stop,
[INFO] [stderr] 181 | |                     Resized(w, h) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 206 | |                 _ => (),
[INFO] [stderr] 207 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 178 |             if let glutin::Event::WindowEvent { event, .. } = event { match event {
[INFO] [stderr] 179 |     Closed => action = Action::Stop,
[INFO] [stderr] 180 |     Resized(w, h) => {
[INFO] [stderr] 181 |         info!("Window resized to {}px x {}px", w, h);
[INFO] [stderr] 182 |     },
[INFO] [stderr] 183 |     KeyboardInput { input, .. } => {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:186:25
[INFO] [stderr]     |
[INFO] [stderr] 186 | /                         match input.virtual_keycode {
[INFO] [stderr] 187 | |                             Some(key) => match key {
[INFO] [stderr] 188 | |                                 glutin::VirtualKeyCode::Escape => {
[INFO] [stderr] 189 | |                                     if pressed {
[INFO] [stderr] ...   |
[INFO] [stderr] 201 | |                             None => (),
[INFO] [stderr] 202 | |                         };
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 186 |                         if let Some(key) = input.virtual_keycode { match key {
[INFO] [stderr] 187 |     glutin::VirtualKeyCode::Escape => {
[INFO] [stderr] 188 |         if pressed {
[INFO] [stderr] 189 |             if cursor_grabbed {
[INFO] [stderr] 190 |                 application.display.gl_window().set_cursor_state(glutin::CursorState::Normal).expect("couldn't ungrab cursor");
[INFO] [stderr] 191 |                 cursor_grabbed = false;
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `WATER`
[INFO] [stderr]    --> src/block.rs:175:1
[INFO] [stderr]     |
[INFO] [stderr] 175 | / pub static WATER: &BlockType = &BlockType {
[INFO] [stderr] 176 | |     name: "water",
[INFO] [stderr] 177 | |     color: [0.498, 1.000, 0.831],
[INFO] [stderr] 178 | | };
[INFO] [stderr]     | |__^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_random_color`
[INFO] [stderr]  --> src/color.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn get_random_color() -> Color {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FlatWorldGenerator`
[INFO] [stderr]   --> src/worldgen.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct FlatWorldGenerator {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/worldgen.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new() -> FlatWorldGenerator {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable appears on both sides of an assignment operation
[INFO] [stderr]    --> src/camera.rs:224:17
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 self.move_speed += self.move_speed + 0.1;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::misrefactored_assign_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#misrefactored_assign_op
[INFO] [stderr] help: Did you mean self.move_speed = self.move_speed + 0.1 or self.move_speed = self.move_speed + self.move_speed + 0.1? Consider replacing it with
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 self.move_speed += 0.1;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 self.move_speed = self.move_speed + self.move_speed + 0.1;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/camera.rs:230:17
[INFO] [stderr]     |
[INFO] [stderr] 230 |                 self.move_speed = self.move_speed - 0.1;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.move_speed -= 0.1`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/world.rs:142:78
[INFO] [stderr]     |
[INFO] [stderr] 142 | pub fn get_position(chunk_coordinates: &ChunkCoordinates, block_coordinates: &BlockCoordinates) -> Position {
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^^^^^^^ help: consider passing by value instead: `BlockCoordinates`
[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: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:143:37
[INFO] [stderr]     |
[INFO] [stderr] 143 |     let x = (chunk_coordinates[0] * CHUNK_SIZE as i32) + block_coordinates[0] as i32;
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: try: `i32::from(CHUNK_SIZE)`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:143:58
[INFO] [stderr]     |
[INFO] [stderr] 143 |     let x = (chunk_coordinates[0] * CHUNK_SIZE as i32) + block_coordinates[0] as i32;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(block_coordinates[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:144:37
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let y = (chunk_coordinates[1] * CHUNK_SIZE as i32) + block_coordinates[1] as i32;
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: try: `i32::from(CHUNK_SIZE)`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:144:58
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let y = (chunk_coordinates[1] * CHUNK_SIZE as i32) + block_coordinates[1] as i32;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(block_coordinates[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:145:37
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let z = (chunk_coordinates[2] * CHUNK_SIZE as i32) + block_coordinates[2] as i32;
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: try: `i32::from(CHUNK_SIZE)`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:145:58
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let z = (chunk_coordinates[2] * CHUNK_SIZE as i32) + block_coordinates[2] as i32;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(block_coordinates[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:150:24
[INFO] [stderr]     |
[INFO] [stderr] 150 |     ((coordinates[0] / CHUNK_SIZE as f32) as i32, (coordinates[1] / CHUNK_SIZE as f32) as i32, (coordinates[2] / CHUNK_SIZE as f32) as i32).into()
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^ help: try: `f32::from(CHUNK_SIZE)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:150:69
[INFO] [stderr]     |
[INFO] [stderr] 150 |     ((coordinates[0] / CHUNK_SIZE as f32) as i32, (coordinates[1] / CHUNK_SIZE as f32) as i32, (coordinates[2] / CHUNK_SIZE as f32) as i32).into()
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^^^ help: try: `f32::from(CHUNK_SIZE)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:150:114
[INFO] [stderr]     |
[INFO] [stderr] 150 |     ((coordinates[0] / CHUNK_SIZE as f32) as i32, (coordinates[1] / CHUNK_SIZE as f32) as i32, (coordinates[2] / CHUNK_SIZE as f32) as i32).into()
[INFO] [stderr]     |                                                                                                                  ^^^^^^^^^^^^^^^^^ help: try: `f32::from(CHUNK_SIZE)`
[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: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> src/world.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 | /         if self.chunks.contains_key(&coordinates) {
[INFO] [stderr] 175 | |             return self.chunks.get(&coordinates).unwrap();
[INFO] [stderr] 176 | |         } else {
[INFO] [stderr] 177 | |             let chunk = self.generator.generate_chunk(coordinates);
[INFO] [stderr] 178 | |             self.chunks.insert(coordinates, chunk);
[INFO] [stderr] 179 | |             return self.chunks.get_mut(&coordinates).unwrap();
[INFO] [stderr] 180 | |         }
[INFO] [stderr]     | |_________^ help: consider using: `self.chunks.entry(coordinates)`
[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] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/world.rs:175:20
[INFO] [stderr]     |
[INFO] [stderr] 175 |             return self.chunks.get(&coordinates).unwrap();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.chunks[&coordinates]`
[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: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/world.rs:188:23
[INFO] [stderr]     |
[INFO] [stderr] 188 |         let iradius = radius as i32;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^ help: try: `i32::from(radius)`
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/world.rs:189:18
[INFO] [stderr]     |
[INFO] [stderr] 189 |         for x in -iradius..iradius + 1 {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^ help: use: `-iradius..=iradius`
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/world.rs:190:22
[INFO] [stderr]     |
[INFO] [stderr] 190 |             for y in -iradius..iradius + 1 {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `-iradius..=iradius`
[INFO] [stderr]     |
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/world.rs:191:26
[INFO] [stderr]     |
[INFO] [stderr] 191 |                 for z in -iradius..iradius + 1 {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^ help: use: `-iradius..=iradius`
[INFO] [stderr]     |
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/world.rs:204:13
[INFO] [stderr]     |
[INFO] [stderr] 204 | /             match chunk_opt {
[INFO] [stderr] 205 | |                 Some(chunk) => {
[INFO] [stderr] 206 | |                     for (block_coordinates, block_type) in chunk.get_visible() {
[INFO] [stderr] 207 | |                         blocks.push((get_position(&chunk_coordinates, &block_coordinates), block_type))
[INFO] [stderr] ...   |
[INFO] [stderr] 210 | |                 None => (),
[INFO] [stderr] 211 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 204 |             if let Some(chunk) = chunk_opt {
[INFO] [stderr] 205 |     for (block_coordinates, block_type) in chunk.get_visible() {
[INFO] [stderr] 206 |         blocks.push((get_position(&chunk_coordinates, &block_coordinates), block_type))
[INFO] [stderr] 207 |     }
[INFO] [stderr] 208 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/worldgen.rs:100:67
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     let normalized_height: u8 = (height.powi(4) * (CHUNK_SIZE as f32)) as u8;
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(CHUNK_SIZE)`
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/worldgen.rs:108:34
[INFO] [stderr]     |
[INFO] [stderr] 108 |                         for y in 0..normalized_height + 1 {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `0..=normalized_height`
[INFO] [stderr]     |
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/worldgen.rs:112:34
[INFO] [stderr]     |
[INFO] [stderr] 112 |                         for y in 20..normalized_height + 1 {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `20..=normalized_height`
[INFO] [stderr]     |
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 | /             match event {
[INFO] [stderr] 179 | |                 glutin::Event::WindowEvent { event, .. } => match event {
[INFO] [stderr] 180 | |                     Closed => action = Action::Stop,
[INFO] [stderr] 181 | |                     Resized(w, h) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 206 | |                 _ => (),
[INFO] [stderr] 207 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 178 |             if let glutin::Event::WindowEvent { event, .. } = event { match event {
[INFO] [stderr] 179 |     Closed => action = Action::Stop,
[INFO] [stderr] 180 |     Resized(w, h) => {
[INFO] [stderr] 181 |         info!("Window resized to {}px x {}px", w, h);
[INFO] [stderr] 182 |     },
[INFO] [stderr] 183 |     KeyboardInput { input, .. } => {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:186:25
[INFO] [stderr]     |
[INFO] [stderr] 186 | /                         match input.virtual_keycode {
[INFO] [stderr] 187 | |                             Some(key) => match key {
[INFO] [stderr] 188 | |                                 glutin::VirtualKeyCode::Escape => {
[INFO] [stderr] 189 | |                                     if pressed {
[INFO] [stderr] ...   |
[INFO] [stderr] 201 | |                             None => (),
[INFO] [stderr] 202 | |                         };
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 186 |                         if let Some(key) = input.virtual_keycode { match key {
[INFO] [stderr] 187 |     glutin::VirtualKeyCode::Escape => {
[INFO] [stderr] 188 |         if pressed {
[INFO] [stderr] 189 |             if cursor_grabbed {
[INFO] [stderr] 190 |                 application.display.gl_window().set_cursor_state(glutin::CursorState::Normal).expect("couldn't ungrab cursor");
[INFO] [stderr] 191 |                 cursor_grabbed = false;
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.83s
[INFO] running `"docker" "inspect" "1427f963f082e00ac45281fc96f9207f1a400b380a9331af08a0952500640690"`
[INFO] running `"docker" "rm" "-f" "1427f963f082e00ac45281fc96f9207f1a400b380a9331af08a0952500640690"`
[INFO] [stdout] 1427f963f082e00ac45281fc96f9207f1a400b380a9331af08a0952500640690