[INFO] updating cached repository bolstycjw/kys-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bolstycjw/kys-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bolstycjw/kys-rust" "work/ex/clippy-test-run/sources/stable/gh/bolstycjw/kys-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/bolstycjw/kys-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bolstycjw/kys-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bolstycjw/kys-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bolstycjw/kys-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b9977e81c969eaf0970581efce18af6f25eab33a
[INFO] sha for GitHub repo bolstycjw/kys-rust: b9977e81c969eaf0970581efce18af6f25eab33a
[INFO] validating manifest of bolstycjw/kys-rust 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 bolstycjw/kys-rust 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 bolstycjw/kys-rust
[INFO] finished frobbing bolstycjw/kys-rust
[INFO] frobbed toml for bolstycjw/kys-rust written to work/ex/clippy-test-run/sources/stable/gh/bolstycjw/kys-rust/Cargo.toml
[INFO] started frobbing bolstycjw/kys-rust
[INFO] finished frobbing bolstycjw/kys-rust
[INFO] frobbed toml for bolstycjw/kys-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bolstycjw/kys-rust/Cargo.toml
[INFO] crate bolstycjw/kys-rust 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 bolstycjw/kys-rust against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/bolstycjw/kys-rust:/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] 4c0a9267f541daaebd7c93b6ae5896049e98ee7b4a335bb43cd94da81f02b324
[INFO] running `"docker" "start" "-a" "4c0a9267f541daaebd7c93b6ae5896049e98ee7b4a335bb43cd94da81f02b324"`
[INFO] [stderr]    Compiling sdl2-sys v0.32.1
[INFO] [stderr]     Checking sdl2 v0.32.0-beta.2
[INFO] [stderr]     Checking kys_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/engine/display/tile.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             textures: textures,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `textures`
[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/engine/display/tile.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             frame_count: frame_count,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `frame_count`
[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/engine/display/tile.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             textures: textures,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `textures`
[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/engine/display/tile.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             frame_count: frame_count,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `frame_count`
[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: unused imports: `Point`, `Rect`
[INFO] [stderr]  --> src/main.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | use sdl2::rect::{Point, Rect};
[INFO] [stderr]   |                  ^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::config::*`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use self::config::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `texture_creator`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let texture_creator = canvas.texture_creator();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_texture_creator` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Point`, `Rect`
[INFO] [stderr]  --> src/main.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | use sdl2::rect::{Point, Rect};
[INFO] [stderr]   |                  ^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::config::*`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use self::config::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCREEN_WIDTH`
[INFO] [stderr]  --> src/config.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub const SCREEN_WIDTH: u32 = 800;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CENTER_X`
[INFO] [stderr]  --> src/config.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub const CENTER_X: i32 = SCREEN_WIDTH as i32 / 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCREEN_HEIGHT`
[INFO] [stderr]  --> src/config.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const SCREEN_HEIGHT: u32 = 800;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CENTER_Y`
[INFO] [stderr]  --> src/config.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub const CENTER_Y: i32 = SCREEN_HEIGHT as i32 / 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TILE_WIDTH`
[INFO] [stderr]  --> src/config.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const TILE_WIDTH: u32 = 36;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `HALF_TILE_WIDTH`
[INFO] [stderr]  --> src/config.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub const HALF_TILE_WIDTH: u32 = TILE_WIDTH / 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TILE_HEIGHT`
[INFO] [stderr]  --> src/config.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const TILE_HEIGHT: u32 = 18;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `HALF_TILE_HEIGHT`
[INFO] [stderr]  --> src/config.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub const HALF_TILE_HEIGHT: u32 = TILE_HEIGHT / 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `IMAGE_WIDTH`
[INFO] [stderr]  --> src/config.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub const IMAGE_WIDTH: u32 = 64 * TILE_WIDTH + SCREEN_WIDTH;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `IMAGE_HEIGHT`
[INFO] [stderr]   --> src/config.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const IMAGE_HEIGHT: u32 = 64 * TILE_HEIGHT + SCREEN_HEIGHT;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCALED_TILE_WIDTH`
[INFO] [stderr]   --> src/config.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub const SCALED_TILE_WIDTH: u32 = IMAGE_WIDTH / 64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCALED_TILE_HEIGHT`
[INFO] [stderr]   --> src/config.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub const SCALED_TILE_HEIGHT: u32 = IMAGE_HEIGHT / 64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCALED_HALF_TILE_WIDTH`
[INFO] [stderr]   --> src/config.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const SCALED_HALF_TILE_WIDTH: u32 = SCALED_TILE_WIDTH / 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCALED_HALF_TILE_HEIGHT`
[INFO] [stderr]   --> src/config.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub const SCALED_HALF_TILE_HEIGHT: u32 = SCALED_TILE_HEIGHT / 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Tile`
[INFO] [stderr]   --> src/engine/display/tile.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Tile<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_tiles`
[INFO] [stderr]   --> src/engine/display/tile.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn load_tiles<'a>(texture_creator: &'a TextureCreator<WindowContext>) -> Vec<Tile> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_index`
[INFO] [stderr]   --> src/engine/display/tile.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn load_index() -> Result<Vec<i16>, Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DisplayContext`
[INFO] [stderr]  --> src/engine/display.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct DisplayContext(Canvas<Window>);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `init`
[INFO] [stderr]  --> src/engine/display.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn init(sdl_context: Sdl) -> DisplayContext {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cart_to_iso`
[INFO] [stderr]  --> src/engine/math.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn cart_to_iso(cart: Point) -> Point {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `6`
[INFO] [stderr]   --> src/main.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut buf = vec![0; 1 * 6 * 64 * 64 * 2];
[INFO] [stderr]    |                           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     file.read(&mut buf);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `y` is only used to index `scene`.
[INFO] [stderr]   --> src/main.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for y in 0..64 {
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for <item> in &mut scene {
[INFO] [stderr]    |         ^^^^^^    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `texture_creator`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let texture_creator = canvas.texture_creator();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: consider using `_texture_creator` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCREEN_WIDTH`
[INFO] [stderr]  --> src/config.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub const SCREEN_WIDTH: u32 = 800;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CENTER_X`
[INFO] [stderr]  --> src/config.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub const CENTER_X: i32 = SCREEN_WIDTH as i32 / 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCREEN_HEIGHT`
[INFO] [stderr]  --> src/config.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const SCREEN_HEIGHT: u32 = 800;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CENTER_Y`
[INFO] [stderr]  --> src/config.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub const CENTER_Y: i32 = SCREEN_HEIGHT as i32 / 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TILE_WIDTH`
[INFO] [stderr]  --> src/config.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const TILE_WIDTH: u32 = 36;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `HALF_TILE_WIDTH`
[INFO] [stderr]  --> src/config.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub const HALF_TILE_WIDTH: u32 = TILE_WIDTH / 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TILE_HEIGHT`
[INFO] [stderr]  --> src/config.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const TILE_HEIGHT: u32 = 18;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `HALF_TILE_HEIGHT`
[INFO] [stderr]  --> src/config.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub const HALF_TILE_HEIGHT: u32 = TILE_HEIGHT / 2;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `IMAGE_WIDTH`
[INFO] [stderr]  --> src/config.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub const IMAGE_WIDTH: u32 = 64 * TILE_WIDTH + SCREEN_WIDTH;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `IMAGE_HEIGHT`
[INFO] [stderr]   --> src/config.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const IMAGE_HEIGHT: u32 = 64 * TILE_HEIGHT + SCREEN_HEIGHT;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCALED_TILE_WIDTH`
[INFO] [stderr]   --> src/config.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub const SCALED_TILE_WIDTH: u32 = IMAGE_WIDTH / 64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCALED_TILE_HEIGHT`
[INFO] [stderr]   --> src/config.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub const SCALED_TILE_HEIGHT: u32 = IMAGE_HEIGHT / 64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCALED_HALF_TILE_WIDTH`
[INFO] [stderr]   --> src/config.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const SCALED_HALF_TILE_WIDTH: u32 = SCALED_TILE_WIDTH / 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SCALED_HALF_TILE_HEIGHT`
[INFO] [stderr]   --> src/config.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub const SCALED_HALF_TILE_HEIGHT: u32 = SCALED_TILE_HEIGHT / 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Tile`
[INFO] [stderr]   --> src/engine/display/tile.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Tile<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_tiles`
[INFO] [stderr]   --> src/engine/display/tile.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn load_tiles<'a>(texture_creator: &'a TextureCreator<WindowContext>) -> Vec<Tile> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_index`
[INFO] [stderr]   --> src/engine/display/tile.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn load_index() -> Result<Vec<i16>, Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DisplayContext`
[INFO] [stderr]  --> src/engine/display.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct DisplayContext(Canvas<Window>);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `init`
[INFO] [stderr]  --> src/engine/display.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn init(sdl_context: Sdl) -> DisplayContext {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cart_to_iso`
[INFO] [stderr]  --> src/engine/math.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn cart_to_iso(cart: Point) -> Point {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `6`
[INFO] [stderr]   --> src/main.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut buf = vec![0; 1 * 6 * 64 * 64 * 2];
[INFO] [stderr]    |                           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     file.read(&mut buf);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `y` is only used to index `scene`.
[INFO] [stderr]   --> src/main.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for y in 0..64 {
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for <item> in &mut scene {
[INFO] [stderr]    |         ^^^^^^    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.69s
[INFO] running `"docker" "inspect" "4c0a9267f541daaebd7c93b6ae5896049e98ee7b4a335bb43cd94da81f02b324"`
[INFO] running `"docker" "rm" "-f" "4c0a9267f541daaebd7c93b6ae5896049e98ee7b4a335bb43cd94da81f02b324"`
[INFO] [stdout] 4c0a9267f541daaebd7c93b6ae5896049e98ee7b4a335bb43cd94da81f02b324