[INFO] cloning repository https://github.com/poly04/rust-raycast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/poly04/rust-raycast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoly04%2Frust-raycast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoly04%2Frust-raycast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fd8ed5d3e913f2f93aed84150f0d5c3ca06b636
[INFO] checking poly04/rust-raycast against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoly04%2Frust-raycast" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/poly04/rust-raycast on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/poly04/rust-raycast
[INFO] finished tweaking git repo https://github.com/poly04/rust-raycast
[INFO] tweaked toml for git repo https://github.com/poly04/rust-raycast written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/poly04/rust-raycast already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 59c35833a79d6dde7b936379b917de3fe729363ccfdd3bb259fa07e676356f50
[INFO] running `Command { std: "docker" "start" "-a" "59c35833a79d6dde7b936379b917de3fe729363ccfdd3bb259fa07e676356f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59c35833a79d6dde7b936379b917de3fe729363ccfdd3bb259fa07e676356f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c35833a79d6dde7b936379b917de3fe729363ccfdd3bb259fa07e676356f50", kill_on_drop: false }`
[INFO] [stdout] 59c35833a79d6dde7b936379b917de3fe729363ccfdd3bb259fa07e676356f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37f20467559454799b39f662ac6995529aacb150294d759a87116ad91031b291
[INFO] running `Command { std: "docker" "start" "-a" "37f20467559454799b39f662ac6995529aacb150294d759a87116ad91031b291", kill_on_drop: false }`
[INFO] [stderr]    Compiling sfml-build v0.2.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]    Compiling csfml-system-sys v0.4.0
[INFO] [stderr]    Compiling csfml-window-sys v0.4.0
[INFO] [stderr]    Compiling csfml-audio-sys v0.4.0
[INFO] [stderr]    Compiling csfml-graphics-sys v0.4.0
[INFO] [stderr]     Checking sfml v0.14.0
[INFO] [stderr]     Checking ray_caster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/camera.rs:173:36
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let pos_in_block = Vector2f::new(((ray.position.x - (map_x * 10) as f32) / 10.0), ((ray.position.y - (map_y * 10) as f32) / 10.0));
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/camera.rs:173:85
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let pos_in_block = Vector2f::new(((ray.position.x - (map_x * 10) as f32) / 10.0), ((ray.position.y - (map_y * 10) as f32) / 10.0));
[INFO] [stdout]     |                                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/camera.rs:173:36
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let pos_in_block = Vector2f::new(((ray.position.x - (map_x * 10) as f32) / 10.0), ((ray.position.y - (map_y * 10) as f32) / 10.0));
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/camera.rs:173:85
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let pos_in_block = Vector2f::new(((ray.position.x - (map_x * 10) as f32) / 10.0), ((ray.position.y - (map_y * 10) as f32) / 10.0));
[INFO] [stdout]     |                                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sfml::graphics`
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sfml::graphics::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `render_target`
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut render_target = RenderTexture::new(800, 600, false).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_render_target`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `img_arr` is never read
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut img_arr: Vec<u8> = vec![0 as u8; 800*600*4];
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_xpos` is never read
[INFO] [stdout]   --> src/camera.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut new_xpos: f32 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x_dist` is never read
[INFO] [stdout]   --> src/camera.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut x_dist: f32 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x_gridline_dist` is never read
[INFO] [stdout]   --> src/camera.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut x_gridline_dist: f32 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_ypos` is never read
[INFO] [stdout]   --> src/camera.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut new_ypos: f32 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y_dist` is never read
[INFO] [stdout]   --> src/camera.rs:55:7
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut y_dist: f32 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y_gridline_dist` is never read
[INFO] [stdout]   --> src/camera.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut y_gridline_dist: f32 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/camera.rs:97:39
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn calculate_distance(&mut self, x: i32) {
[INFO] [stdout]    |                                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_pos_x`
[INFO] [stdout]    --> src/camera.rs:138:7
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let ray_pos_x = self.position.x + (ray_angle.sin() * 10.0) + (ray_pos * sight_line_angle.sin());
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_pos_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_pos_y`
[INFO] [stdout]    --> src/camera.rs:139:7
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let ray_pos_y = self.position.y + (ray_angle.cos() * 10.0) + (ray_pos * sight_line_angle.cos());
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_pos_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut render_target = RenderTexture::new(800, 600, false).unwrap();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut img = Image::create_from_pixels(800, 600, &img_arr).unwrap();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/camera.rs:73:7
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut new_pos: Vector2f;
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Tile`
[INFO] [stdout]  --> src/map.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Tile {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_tile_pixel`
[INFO] [stdout]   --> src/map.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn get_tile_pixel(&mut self, x: f32, y: f32) -> TileEnum {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prev_near`
[INFO] [stdout]   --> src/camera.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     prev_near: Vector2f
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `step`
[INFO] [stdout]    --> src/camera.rs:224:8
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub fn step(rise: f32, run: f32, x: f32, y: f32, inverted: bool) -> Vector2f {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sfml::graphics`
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sfml::graphics::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `render_target`
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut render_target = RenderTexture::new(800, 600, false).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_render_target`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `img_arr` is never read
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut img_arr: Vec<u8> = vec![0 as u8; 800*600*4];
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_xpos` is never read
[INFO] [stdout]   --> src/camera.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut new_xpos: f32 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x_dist` is never read
[INFO] [stdout]   --> src/camera.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut x_dist: f32 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x_gridline_dist` is never read
[INFO] [stdout]   --> src/camera.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut x_gridline_dist: f32 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_ypos` is never read
[INFO] [stdout]   --> src/camera.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut new_ypos: f32 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y_dist` is never read
[INFO] [stdout]   --> src/camera.rs:55:7
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut y_dist: f32 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y_gridline_dist` is never read
[INFO] [stdout]   --> src/camera.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut y_gridline_dist: f32 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/camera.rs:97:39
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn calculate_distance(&mut self, x: i32) {
[INFO] [stdout]    |                                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_pos_x`
[INFO] [stdout]    --> src/camera.rs:138:7
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let ray_pos_x = self.position.x + (ray_angle.sin() * 10.0) + (ray_pos * sight_line_angle.sin());
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_pos_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_pos_y`
[INFO] [stdout]    --> src/camera.rs:139:7
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let ray_pos_y = self.position.y + (ray_angle.cos() * 10.0) + (ray_pos * sight_line_angle.cos());
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_pos_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut render_target = RenderTexture::new(800, 600, false).unwrap();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut img = Image::create_from_pixels(800, 600, &img_arr).unwrap();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/camera.rs:73:7
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut new_pos: Vector2f;
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Tile`
[INFO] [stdout]  --> src/map.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Tile {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_tile_pixel`
[INFO] [stdout]   --> src/map.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn get_tile_pixel(&mut self, x: f32, y: f32) -> TileEnum {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prev_near`
[INFO] [stdout]   --> src/camera.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     prev_near: Vector2f
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `step`
[INFO] [stdout]    --> src/camera.rs:224:8
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub fn step(rise: f32, run: f32, x: f32, y: f32, inverted: bool) -> Vector2f {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "37f20467559454799b39f662ac6995529aacb150294d759a87116ad91031b291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f20467559454799b39f662ac6995529aacb150294d759a87116ad91031b291", kill_on_drop: false }`
[INFO] [stdout] 37f20467559454799b39f662ac6995529aacb150294d759a87116ad91031b291