[INFO] cloning repository https://github.com/alsor/durer_renderer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alsor/durer_renderer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falsor%2Fdurer_renderer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falsor%2Fdurer_renderer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d13af5cc3d6ca464cf47189793139bea8240dfd
[INFO] checking alsor/durer_renderer/5d13af5cc3d6ca464cf47189793139bea8240dfd against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falsor%2Fdurer_renderer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alsor/durer_renderer on toolchain ccf408f4326a858c00dd845a64a86b16f360a801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alsor/durer_renderer
[INFO] finished tweaking git repo https://github.com/alsor/durer_renderer
[INFO] tweaked toml for git repo https://github.com/alsor/durer_renderer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/alsor/durer_renderer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28887c603f206e8451ef54ba5131d41b8f9d96ef150a0b039609fcbe029dacef
[INFO] running `Command { std: "docker" "start" "-a" "28887c603f206e8451ef54ba5131d41b8f9d96ef150a0b039609fcbe029dacef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28887c603f206e8451ef54ba5131d41b8f9d96ef150a0b039609fcbe029dacef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28887c603f206e8451ef54ba5131d41b8f9d96ef150a0b039609fcbe029dacef", kill_on_drop: false }`
[INFO] [stdout] 28887c603f206e8451ef54ba5131d41b8f9d96ef150a0b039609fcbe029dacef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9833dd2af102eb2e76d2b6c14d3c2ba516bfd7fa7c4b4a82fe83a40a9fe9f6e
[INFO] running `Command { std: "docker" "start" "-a" "f9833dd2af102eb2e76d2b6c14d3c2ba516bfd7fa7c4b4a82fe83a40a9fe9f6e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]        Fixed Cargo.toml (1 fix)
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
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[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rayon v1.6.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking durer v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/rendering.rs (39 fixes)
[INFO] [stderr]        Fixed src/main.rs (11 fixes)
[INFO] [stderr]        Fixed src/starfield.rs (3 fixes)
[INFO] [stderr]        Fixed src/projective_camera.rs (1 fix)
[INFO] [stderr]        Fixed src/ray_tracing.rs (2 fixes)
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/ray_tracing.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/buffer_canvas.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |             for i in 1..dx {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/buffer_canvas.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |             for i in 1..dy {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/ply2.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             _ => ()
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/ply2.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             Ply2Parts::NumVertices => {
[INFO] [stdout]    |             ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 52 |             Ply2Parts::NumFaces => {
[INFO] [stdout]    |             ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 56 |             Ply2Parts::Vertices => {
[INFO] [stdout]    |             ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 67 |             Ply2Parts::Faces => {
[INFO] [stdout]    |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 86 |             _ => ()
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/ply2.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let rng = rand::thread_rng();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/starfield.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for i in 0..num_stars {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |         for i in 1..dx {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:251:13
[INFO] [stdout]     |
[INFO] [stdout] 251 |         for i in 1..dy {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:451:9
[INFO] [stdout]     |
[INFO] [stdout] 451 |     let rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:491:9
[INFO] [stdout]     |
[INFO] [stdout] 491 |     let rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/main.rs:713:9
[INFO] [stdout]     |
[INFO] [stdout] 713 |     let size = (z_max - z_min).abs();
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `camera`
[INFO] [stdout]    --> src/rendering.rs:422:5
[INFO] [stdout]     |
[INFO] [stdout] 422 |     camera: &ProjectiveCamera,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_camera`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]    --> src/rendering.rs:594:13
[INFO] [stdout]     |
[INFO] [stdout] 594 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]    --> src/rendering.rs:751:13
[INFO] [stdout]     |
[INFO] [stdout] 751 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v0` is never read
[INFO] [stdout]    --> src/rendering.rs:805:9
[INFO] [stdout]     |
[INFO] [stdout] 805 |         v0 = v2;
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v1` is never read
[INFO] [stdout]    --> src/rendering.rs:818:9
[INFO] [stdout]     |
[INFO] [stdout] 818 |         v1 = v2;
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v2` is never read
[INFO] [stdout]    --> src/rendering.rs:819:9
[INFO] [stdout]     |
[INFO] [stdout] 819 |         v2 = swap;
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]    --> src/rendering.rs:932:13
[INFO] [stdout]     |
[INFO] [stdout] 932 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v0` is never read
[INFO] [stdout]     --> src/rendering.rs:1009:9
[INFO] [stdout]      |
[INFO] [stdout] 1009 |         v0 = v2;
[INFO] [stdout]      |         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v1` is never read
[INFO] [stdout]     --> src/rendering.rs:1026:9
[INFO] [stdout]      |
[INFO] [stdout] 1026 |         v1 = v2;
[INFO] [stdout]      |         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v2` is never read
[INFO] [stdout]     --> src/rendering.rs:1027:9
[INFO] [stdout]      |
[INFO] [stdout] 1027 |         v2 = swap;
[INFO] [stdout]      |         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]     --> src/rendering.rs:1176:13
[INFO] [stdout]      |
[INFO] [stdout] 1176 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/rendering.rs:1252:9
[INFO] [stdout]      |
[INFO] [stdout] 1252 |     for i in i0..(i1 + 1) {
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/rendering.rs:1268:9
[INFO] [stdout]      |
[INFO] [stdout] 1268 |     for i in i0..(i1 + 1) {
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `red`
[INFO] [stdout]     --> src/main.rs:1189:9
[INFO] [stdout]      |
[INFO] [stdout] 1189 |     let red = Color { r: 255, g: 0, b: 0 };
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_red`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `green`
[INFO] [stdout]     --> src/main.rs:1190:9
[INFO] [stdout]      |
[INFO] [stdout] 1190 |     let green = Color { r: 0, g: 255, b: 0 };
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blue`
[INFO] [stdout]     --> src/main.rs:1191:9
[INFO] [stdout]      |
[INFO] [stdout] 1191 |     let blue = Color { r: 0, g: 0, b: 255 };
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_blue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `white`
[INFO] [stdout]     --> src/main.rs:1192:9
[INFO] [stdout]      |
[INFO] [stdout] 1192 |     let white = Color { r: 255, g: 255, b: 255 };
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_white`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sphere`
[INFO] [stdout]     --> src/main.rs:1198:9
[INFO] [stdout]      |
[INFO] [stdout] 1198 |     let sphere = sphere(35);
[INFO] [stdout]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sphere`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cube`
[INFO] [stdout]     --> src/main.rs:1199:9
[INFO] [stdout]      |
[INFO] [stdout] 1199 |     let cube = cube(0.9);
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_cube`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wooden_cube`
[INFO] [stdout]     --> src/main.rs:1200:9
[INFO] [stdout]      |
[INFO] [stdout] 1200 |     let wooden_cube = textured_cube(0.9, &wooden_crate);
[INFO] [stdout]      |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wooden_cube`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `brick_cube`
[INFO] [stdout]     --> src/main.rs:1201:9
[INFO] [stdout]      |
[INFO] [stdout] 1201 |     let brick_cube = textured_cube(1.0, &bricks);
[INFO] [stdout]      |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_brick_cube`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_instance_index`
[INFO] [stdout]     --> src/main.rs:1208:9
[INFO] [stdout]      |
[INFO] [stdout] 1208 |     let current_instance_index: Option<usize> = None;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_instance_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `starfield`
[INFO] [stdout]     --> src/main.rs:1305:9
[INFO] [stdout]      |
[INFO] [stdout] 1305 |     let starfield = Starfield::new(1000, 5.0, 110000.0);
[INFO] [stdout]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starfield`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]     --> src/main.rs:1343:13
[INFO] [stdout]      |
[INFO] [stdout] 1343 |         let delta = now.elapsed();
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Frame` is never constructed
[INFO] [stdout]   --> src/main.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | struct Frame { x_min: f64, x_max: f64, y_min: f64, y_max: f64 }
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `project` is never used
[INFO] [stdout]    --> src/main.rs:181:4
[INFO] [stdout]     |
[INFO] [stdout] 181 | fn project(point3d: Vector3f) -> Point2D {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize` is never used
[INFO] [stdout]    --> src/main.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn normalize(point2d: Point2D, frame: Frame) -> Point2D {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rasterize` is never used
[INFO] [stdout]    --> src/main.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn rasterize(point: Point2D, size: usize) -> Pixel {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simple_line` is never used
[INFO] [stdout]    --> src/main.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn simple_line(start: Pixel, end: Pixel, buffer: &mut [u8], size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `face_visible` is never used
[INFO] [stdout]    --> src/main.rs:305:4
[INFO] [stdout]     |
[INFO] [stdout] 305 | fn face_visible(face: &Vec<i32>, vertices: &[Vector3f]) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `face_visible2` is never used
[INFO] [stdout]    --> src/main.rs:316:4
[INFO] [stdout]     |
[INFO] [stdout] 316 | fn face_visible2(face: &Vec<i32>, vertices: &[Vector3f]) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_face` is never used
[INFO] [stdout]    --> src/main.rs:331:4
[INFO] [stdout]     |
[INFO] [stdout] 331 | fn draw_face(face: &Vec<i32>,
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transform` is never used
[INFO] [stdout]    --> src/main.rs:353:4
[INFO] [stdout]     |
[INFO] [stdout] 353 | fn transform(vertices: &Vec<Vector3f>, vector: Vector3f) -> Vec<Vector3f> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotated_cube_vertices` is never used
[INFO] [stdout]    --> src/main.rs:367:4
[INFO] [stdout]     |
[INFO] [stdout] 367 | fn rotated_cube_vertices(t: f64) -> [Vector3f; 8] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotated_cube` is never used
[INFO] [stdout]    --> src/main.rs:421:4
[INFO] [stdout]     |
[INFO] [stdout] 421 | fn rotated_cube(t: f64) -> (Vec<Vector3f>, Vec<Vec<i32>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triangle` is never used
[INFO] [stdout]    --> src/main.rs:438:4
[INFO] [stdout]     |
[INFO] [stdout] 438 | fn triangle<'a>(size: f64) -> Model<'a> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_unit_cube` is never used
[INFO] [stdout]    --> src/main.rs:645:4
[INFO] [stdout]     |
[INFO] [stdout] 645 | fn two_unit_cube<'a>() -> Model<'a> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enclosing_frame` is never used
[INFO] [stdout]    --> src/main.rs:649:4
[INFO] [stdout]     |
[INFO] [stdout] 649 | fn enclosing_frame(vertices: &Vec<Vector3f>) -> Frame {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_z_transform` is never used
[INFO] [stdout]    --> src/main.rs:700:4
[INFO] [stdout]     |
[INFO] [stdout] 700 | fn find_z_transform(vertices: &Vec<Vector3f>) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_model_to_buffer` is never used
[INFO] [stdout]    --> src/main.rs:718:4
[INFO] [stdout]     |
[INFO] [stdout] 718 | fn render_model_to_buffer(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_buffer_in_window` is never used
[INFO] [stdout]    --> src/main.rs:766:4
[INFO] [stdout]     |
[INFO] [stdout] 766 | fn show_buffer_in_window(buffer: &mut [u8], size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotating_cube_window` is never used
[INFO] [stdout]    --> src/main.rs:820:4
[INFO] [stdout]     |
[INFO] [stdout] 820 | fn rotating_cube_window(buffer: &mut [u8], size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `three_spheres_window` is never used
[INFO] [stdout]    --> src/main.rs:930:4
[INFO] [stdout]     |
[INFO] [stdout] 930 | fn three_spheres_window(buffer: &mut [u8], size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_video` is never used
[INFO] [stdout]     --> src/main.rs:1076:4
[INFO] [stdout]      |
[INFO] [stdout] 1076 | fn render_video() {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_wireframe_triangle` is never used
[INFO] [stdout]     --> src/main.rs:1088:4
[INFO] [stdout]      |
[INFO] [stdout] 1088 | fn draw_wireframe_triangle(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sphere` is never constructed
[INFO] [stdout]   --> src/ray_tracing.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Sphere {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sphere` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_scene_to_buffer` is never used
[INFO] [stdout]   --> src/ray_tracing.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn render_scene_to_buffer(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_lighting` is never used
[INFO] [stdout]   --> src/ray_tracing.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn compute_lighting(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_light_from_direction` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn compute_light_from_direction(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closest_intersection` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn closest_intersection(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace_ray` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:198:4
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn trace_ray(
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_colors` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn add_colors(color1: Color, color2: Color) -> Color {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `contains` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 | fn contains(range: (f64, f64), n: f64) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersect_ray_with_sphere` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:283:4
[INFO] [stdout]     |
[INFO] [stdout] 283 | fn intersect_ray_with_sphere(origin: Vector3f, direction: Vector3f, sphere: Sphere) -> (f64, f64) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotation_around_y` is never used
[INFO] [stdout]   --> src/vectors.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn rotation_around_y(d: f64) -> [[f64; 3]; 3] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `project` is never used
[INFO] [stdout]   --> src/projective_camera.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl ProjectiveCamera {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] 18 |     pub fn project(&self, point: Vector3f) -> Point2D {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/model.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Model<'a> {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |     pub name: &'a str,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `plane_type` is never read
[INFO] [stdout]  --> src/plane.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Plane {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 7 |     pub plane_type: PlaneType,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `num_stars`, `spread`, `speed`, `star_x`, `star_y`, and `star_z` are never read
[INFO] [stdout]   --> src/starfield.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Starfield {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 7  |     num_stars: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 8  |     spread: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 9  |     speed: f64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     star_x: Vec<f64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     star_y: Vec<f64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     star_z: Vec<f64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `update_and_render` and `new_star` are never used
[INFO] [stdout]   --> src/starfield.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Starfield {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn update_and_render(&mut self, delta: &Duration, canvas: &mut BufferCanvas) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn new_star(&mut self, i: usize) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `face_normal_direction_in_right` is never used
[INFO] [stdout]    --> src/rendering.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn face_normal_direction_in_right(face: &Vec<i32>, vertices: &[Vector4f]) -> Vector3f {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `face_normal_direction_in_left` is never used
[INFO] [stdout]    --> src/rendering.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn face_normal_direction_in_left(triangle: &Triangle, vertices: &[Vector4f]) -> Vector3f {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_vertex_outside` is never used
[INFO] [stdout]    --> src/rendering.rs:317:4
[INFO] [stdout]     |
[INFO] [stdout] 317 | fn is_vertex_outside(plane: &Plane, vertex: Vector4f) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_vertex_inside` is never used
[INFO] [stdout]    --> src/rendering.rs:323:4
[INFO] [stdout]     |
[INFO] [stdout] 323 | fn is_vertex_inside(plane: &Plane, vertex: Vector4f) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/starfield.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |             if (screen_x < 0 || screen_x >= canvas.size) || (screen_y < 0 || screen_y >= canvas.size) {
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/starfield.rs:46:62
[INFO] [stdout]    |
[INFO] [stdout] 46 |             if (screen_x < 0 || screen_x >= canvas.size) || (screen_y < 0 || screen_y >= canvas.size) {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 77 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/instance.rs (1 fix)
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/ray_tracing.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/buffer_canvas.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |             for i in 1..dx {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/buffer_canvas.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |             for i in 1..dy {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/ply2.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             _ => ()
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/ply2.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             Ply2Parts::NumVertices => {
[INFO] [stdout]    |             ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 52 |             Ply2Parts::NumFaces => {
[INFO] [stdout]    |             ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 56 |             Ply2Parts::Vertices => {
[INFO] [stdout]    |             ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 67 |             Ply2Parts::Faces => {
[INFO] [stdout]    |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 86 |             _ => ()
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/ply2.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let rng = rand::thread_rng();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/starfield.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for i in 0..num_stars {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |         for i in 1..dx {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:251:13
[INFO] [stdout]     |
[INFO] [stdout] 251 |         for i in 1..dy {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:451:9
[INFO] [stdout]     |
[INFO] [stdout] 451 |     let rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:491:9
[INFO] [stdout]     |
[INFO] [stdout] 491 |     let rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/main.rs:713:9
[INFO] [stdout]     |
[INFO] [stdout] 713 |     let size = (z_max - z_min).abs();
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `camera`
[INFO] [stdout]    --> src/rendering.rs:422:5
[INFO] [stdout]     |
[INFO] [stdout] 422 |     camera: &ProjectiveCamera,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_camera`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]    --> src/rendering.rs:594:13
[INFO] [stdout]     |
[INFO] [stdout] 594 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]    --> src/rendering.rs:751:13
[INFO] [stdout]     |
[INFO] [stdout] 751 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v0` is never read
[INFO] [stdout]    --> src/rendering.rs:805:9
[INFO] [stdout]     |
[INFO] [stdout] 805 |         v0 = v2;
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v1` is never read
[INFO] [stdout]    --> src/rendering.rs:818:9
[INFO] [stdout]     |
[INFO] [stdout] 818 |         v1 = v2;
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v2` is never read
[INFO] [stdout]    --> src/rendering.rs:819:9
[INFO] [stdout]     |
[INFO] [stdout] 819 |         v2 = swap;
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]    --> src/rendering.rs:932:13
[INFO] [stdout]     |
[INFO] [stdout] 932 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v0` is never read
[INFO] [stdout]     --> src/rendering.rs:1009:9
[INFO] [stdout]      |
[INFO] [stdout] 1009 |         v0 = v2;
[INFO] [stdout]      |         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v1` is never read
[INFO] [stdout]     --> src/rendering.rs:1026:9
[INFO] [stdout]      |
[INFO] [stdout] 1026 |         v1 = v2;
[INFO] [stdout]      |         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v2` is never read
[INFO] [stdout]     --> src/rendering.rs:1027:9
[INFO] [stdout]      |
[INFO] [stdout] 1027 |         v2 = swap;
[INFO] [stdout]      |         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]     --> src/rendering.rs:1176:13
[INFO] [stdout]      |
[INFO] [stdout] 1176 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/rendering.rs:1252:9
[INFO] [stdout]      |
[INFO] [stdout] 1252 |     for i in i0..(i1 + 1) {
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/rendering.rs:1268:9
[INFO] [stdout]      |
[INFO] [stdout] 1268 |     for i in i0..(i1 + 1) {
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `red`
[INFO] [stdout]     --> src/main.rs:1189:9
[INFO] [stdout]      |
[INFO] [stdout] 1189 |     let red = Color { r: 255, g: 0, b: 0 };
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_red`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `green`
[INFO] [stdout]     --> src/main.rs:1190:9
[INFO] [stdout]      |
[INFO] [stdout] 1190 |     let green = Color { r: 0, g: 255, b: 0 };
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blue`
[INFO] [stdout]     --> src/main.rs:1191:9
[INFO] [stdout]      |
[INFO] [stdout] 1191 |     let blue = Color { r: 0, g: 0, b: 255 };
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_blue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `white`
[INFO] [stdout]     --> src/main.rs:1192:9
[INFO] [stdout]      |
[INFO] [stdout] 1192 |     let white = Color { r: 255, g: 255, b: 255 };
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_white`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sphere`
[INFO] [stdout]     --> src/main.rs:1198:9
[INFO] [stdout]      |
[INFO] [stdout] 1198 |     let sphere = sphere(35);
[INFO] [stdout]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sphere`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cube`
[INFO] [stdout]     --> src/main.rs:1199:9
[INFO] [stdout]      |
[INFO] [stdout] 1199 |     let cube = cube(0.9);
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_cube`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wooden_cube`
[INFO] [stdout]     --> src/main.rs:1200:9
[INFO] [stdout]      |
[INFO] [stdout] 1200 |     let wooden_cube = textured_cube(0.9, &wooden_crate);
[INFO] [stdout]      |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wooden_cube`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `brick_cube`
[INFO] [stdout]     --> src/main.rs:1201:9
[INFO] [stdout]      |
[INFO] [stdout] 1201 |     let brick_cube = textured_cube(1.0, &bricks);
[INFO] [stdout]      |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_brick_cube`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_instance_index`
[INFO] [stdout]     --> src/main.rs:1208:9
[INFO] [stdout]      |
[INFO] [stdout] 1208 |     let current_instance_index: Option<usize> = None;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_instance_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `starfield`
[INFO] [stdout]     --> src/main.rs:1305:9
[INFO] [stdout]      |
[INFO] [stdout] 1305 |     let starfield = Starfield::new(1000, 5.0, 110000.0);
[INFO] [stdout]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starfield`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]     --> src/main.rs:1343:13
[INFO] [stdout]      |
[INFO] [stdout] 1343 |         let delta = now.elapsed();
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Frame` is never constructed
[INFO] [stdout]   --> src/main.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | struct Frame { x_min: f64, x_max: f64, y_min: f64, y_max: f64 }
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `project` is never used
[INFO] [stdout]    --> src/main.rs:181:4
[INFO] [stdout]     |
[INFO] [stdout] 181 | fn project(point3d: Vector3f) -> Point2D {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize` is never used
[INFO] [stdout]    --> src/main.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn normalize(point2d: Point2D, frame: Frame) -> Point2D {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rasterize` is never used
[INFO] [stdout]    --> src/main.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn rasterize(point: Point2D, size: usize) -> Pixel {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simple_line` is never used
[INFO] [stdout]    --> src/main.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn simple_line(start: Pixel, end: Pixel, buffer: &mut [u8], size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `face_visible` is never used
[INFO] [stdout]    --> src/main.rs:305:4
[INFO] [stdout]     |
[INFO] [stdout] 305 | fn face_visible(face: &Vec<i32>, vertices: &[Vector3f]) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `face_visible2` is never used
[INFO] [stdout]    --> src/main.rs:316:4
[INFO] [stdout]     |
[INFO] [stdout] 316 | fn face_visible2(face: &Vec<i32>, vertices: &[Vector3f]) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_face` is never used
[INFO] [stdout]    --> src/main.rs:331:4
[INFO] [stdout]     |
[INFO] [stdout] 331 | fn draw_face(face: &Vec<i32>,
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transform` is never used
[INFO] [stdout]    --> src/main.rs:353:4
[INFO] [stdout]     |
[INFO] [stdout] 353 | fn transform(vertices: &Vec<Vector3f>, vector: Vector3f) -> Vec<Vector3f> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotated_cube_vertices` is never used
[INFO] [stdout]    --> src/main.rs:367:4
[INFO] [stdout]     |
[INFO] [stdout] 367 | fn rotated_cube_vertices(t: f64) -> [Vector3f; 8] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotated_cube` is never used
[INFO] [stdout]    --> src/main.rs:421:4
[INFO] [stdout]     |
[INFO] [stdout] 421 | fn rotated_cube(t: f64) -> (Vec<Vector3f>, Vec<Vec<i32>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triangle` is never used
[INFO] [stdout]    --> src/main.rs:438:4
[INFO] [stdout]     |
[INFO] [stdout] 438 | fn triangle<'a>(size: f64) -> Model<'a> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_unit_cube` is never used
[INFO] [stdout]    --> src/main.rs:645:4
[INFO] [stdout]     |
[INFO] [stdout] 645 | fn two_unit_cube<'a>() -> Model<'a> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enclosing_frame` is never used
[INFO] [stdout]    --> src/main.rs:649:4
[INFO] [stdout]     |
[INFO] [stdout] 649 | fn enclosing_frame(vertices: &Vec<Vector3f>) -> Frame {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_z_transform` is never used
[INFO] [stdout]    --> src/main.rs:700:4
[INFO] [stdout]     |
[INFO] [stdout] 700 | fn find_z_transform(vertices: &Vec<Vector3f>) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_model_to_buffer` is never used
[INFO] [stdout]    --> src/main.rs:718:4
[INFO] [stdout]     |
[INFO] [stdout] 718 | fn render_model_to_buffer(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_buffer_in_window` is never used
[INFO] [stdout]    --> src/main.rs:766:4
[INFO] [stdout]     |
[INFO] [stdout] 766 | fn show_buffer_in_window(buffer: &mut [u8], size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotating_cube_window` is never used
[INFO] [stdout]    --> src/main.rs:820:4
[INFO] [stdout]     |
[INFO] [stdout] 820 | fn rotating_cube_window(buffer: &mut [u8], size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `three_spheres_window` is never used
[INFO] [stdout]    --> src/main.rs:930:4
[INFO] [stdout]     |
[INFO] [stdout] 930 | fn three_spheres_window(buffer: &mut [u8], size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_video` is never used
[INFO] [stdout]     --> src/main.rs:1076:4
[INFO] [stdout]      |
[INFO] [stdout] 1076 | fn render_video() {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_wireframe_triangle` is never used
[INFO] [stdout]     --> src/main.rs:1088:4
[INFO] [stdout]      |
[INFO] [stdout] 1088 | fn draw_wireframe_triangle(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sphere` is never constructed
[INFO] [stdout]   --> src/ray_tracing.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Sphere {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sphere` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_scene_to_buffer` is never used
[INFO] [stdout]   --> src/ray_tracing.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn render_scene_to_buffer(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `canvas_to_viewport` is never used
[INFO] [stdout]   --> src/ray_tracing.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn canvas_to_viewport(x: i32, y: i32, canvas_width: i32, canvas_height: i32) -> Vector3f {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_lighting` is never used
[INFO] [stdout]   --> src/ray_tracing.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn compute_lighting(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_light_from_direction` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn compute_light_from_direction(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closest_intersection` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn closest_intersection(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace_ray` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:198:4
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn trace_ray(
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_colors` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn add_colors(color1: Color, color2: Color) -> Color {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `contains` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 | fn contains(range: (f64, f64), n: f64) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersect_ray_with_sphere` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:283:4
[INFO] [stdout]     |
[INFO] [stdout] 283 | fn intersect_ray_with_sphere(origin: Vector3f, direction: Vector3f, sphere: Sphere) -> (f64, f64) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply_vec_and_mat` is never used
[INFO] [stdout]   --> src/vectors.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn multiply_vec_and_mat(vec: [f64; 3], mat: [[f64; 3]; 3]) -> [f64; 3] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotation_around_y` is never used
[INFO] [stdout]   --> src/vectors.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn rotation_around_y(d: f64) -> [[f64; 3]; 3] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `project` is never used
[INFO] [stdout]   --> src/projective_camera.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl ProjectiveCamera {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] 18 |     pub fn project(&self, point: Vector3f) -> Point2D {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/model.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Model<'a> {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |     pub name: &'a str,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `plane_type` is never read
[INFO] [stdout]  --> src/plane.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Plane {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 7 |     pub plane_type: PlaneType,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `num_stars`, `spread`, `speed`, `star_x`, `star_y`, and `star_z` are never read
[INFO] [stdout]   --> src/starfield.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Starfield {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 7  |     num_stars: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 8  |     spread: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 9  |     speed: f64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     star_x: Vec<f64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     star_y: Vec<f64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     star_z: Vec<f64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `update_and_render` and `new_star` are never used
[INFO] [stdout]   --> src/starfield.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Starfield {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn update_and_render(&mut self, delta: &Duration, canvas: &mut BufferCanvas) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn new_star(&mut self, i: usize) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `face_normal_direction_in_right` is never used
[INFO] [stdout]    --> src/rendering.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn face_normal_direction_in_right(face: &Vec<i32>, vertices: &[Vector4f]) -> Vector3f {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `face_normal_direction_in_left` is never used
[INFO] [stdout]    --> src/rendering.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn face_normal_direction_in_left(triangle: &Triangle, vertices: &[Vector4f]) -> Vector3f {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_vertex_outside` is never used
[INFO] [stdout]    --> src/rendering.rs:317:4
[INFO] [stdout]     |
[INFO] [stdout] 317 | fn is_vertex_outside(plane: &Plane, vertex: Vector4f) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_vertex_inside` is never used
[INFO] [stdout]    --> src/rendering.rs:323:4
[INFO] [stdout]     |
[INFO] [stdout] 323 | fn is_vertex_inside(plane: &Plane, vertex: Vector4f) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/starfield.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |             if (screen_x < 0 || screen_x >= canvas.size) || (screen_y < 0 || screen_y >= canvas.size) {
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/starfield.rs:46:62
[INFO] [stdout]    |
[INFO] [stdout] 46 |             if (screen_x < 0 || screen_x >= canvas.size) || (screen_y < 0 || screen_y >= canvas.size) {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 79 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr] Running `cargo check` to verify 2024
[INFO] [stderr]     Checking durer v0.1.0 (/tmp/fixit)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Triangle`
[INFO] [stdout]   --> src/instance.rs:72:26
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let triangles = vec![Triangle::new_with_calculated_normals(&vertices, [0, 1, 2])];
[INFO] [stdout]    |                          ^^^^^^^^ use of undeclared type `Triangle`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use crate::Triangle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Color` in this scope
[INFO] [stdout]   --> src/instance.rs:77:22
[INFO] [stdout]    |
[INFO] [stdout] 77 |         colors: vec![Color { r: 0, g: 0, b: 0 }],
[INFO] [stdout]    |                      ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout] 1  + use crate::Color;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use sdl2::pixels::Color;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Triangle`
[INFO] [stdout]    --> src/instance.rs:101:26
[INFO] [stdout]     |
[INFO] [stdout] 101 |     let triangles = vec![Triangle::new_with_calculated_normals(&vertices, [0, 1, 2])];
[INFO] [stdout]     |                          ^^^^^^^^ use of undeclared type `Triangle`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::Triangle;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Color` in this scope
[INFO] [stdout]    --> src/instance.rs:106:22
[INFO] [stdout]     |
[INFO] [stdout] 106 |         colors: vec![Color { r: 0, g: 0, b: 0 }],
[INFO] [stdout]     |                      ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::Color;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use sdl2::pixels::Color;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Triangle`
[INFO] [stdout]    --> src/instance.rs:130:26
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let triangles = vec![Triangle::new_with_calculated_normals(&vertices, [0, 1, 2])];
[INFO] [stdout]     |                          ^^^^^^^^ use of undeclared type `Triangle`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::Triangle;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Color` in this scope
[INFO] [stdout]    --> src/instance.rs:135:22
[INFO] [stdout]     |
[INFO] [stdout] 135 |         colors: vec![Color { r: 0, g: 0, b: 0 }],
[INFO] [stdout]     |                      ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::Color;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use sdl2::pixels::Color;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Triangle`
[INFO] [stdout]    --> src/instance.rs:159:26
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let triangles = vec![Triangle::new_with_calculated_normals(&vertices, [0, 1, 2])];
[INFO] [stdout]     |                          ^^^^^^^^ use of undeclared type `Triangle`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::Triangle;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Color` in this scope
[INFO] [stdout]    --> src/instance.rs:164:22
[INFO] [stdout]     |
[INFO] [stdout] 164 |         colors: vec![Color { r: 0, g: 0, b: 0 }],
[INFO] [stdout]     |                      ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::Color;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use sdl2::pixels::Color;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/ray_tracing.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/buffer_canvas.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |             for i in 1..dx {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/buffer_canvas.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |             for i in 1..dy {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/ply2.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             _ => ()
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/ply2.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             Ply2Parts::NumVertices => {
[INFO] [stdout]    |             ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 52 |             Ply2Parts::NumFaces => {
[INFO] [stdout]    |             ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 56 |             Ply2Parts::Vertices => {
[INFO] [stdout]    |             ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 67 |             Ply2Parts::Faces => {
[INFO] [stdout]    |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 86 |             _ => ()
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/ply2.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let rng = rand::thread_rng();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/starfield.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for i in 0..num_stars {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |         for i in 1..dx {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:251:13
[INFO] [stdout]     |
[INFO] [stdout] 251 |         for i in 1..dy {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:451:9
[INFO] [stdout]     |
[INFO] [stdout] 451 |     let rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:491:9
[INFO] [stdout]     |
[INFO] [stdout] 491 |     let rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/main.rs:713:9
[INFO] [stdout]     |
[INFO] [stdout] 713 |     let size = (z_max - z_min).abs();
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/ray_tracing.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/buffer_canvas.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |             for i in 1..dx {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/buffer_canvas.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |             for i in 1..dy {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/ply2.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             _ => ()
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/ply2.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             Ply2Parts::NumVertices => {
[INFO] [stdout]    |             ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 52 |             Ply2Parts::NumFaces => {
[INFO] [stdout]    |             ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 56 |             Ply2Parts::Vertices => {
[INFO] [stdout]    |             ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 67 |             Ply2Parts::Faces => {
[INFO] [stdout]    |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 86 |             _ => ()
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/ply2.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let rng = rand::thread_rng();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `camera`
[INFO] [stdout]    --> src/rendering.rs:422:5
[INFO] [stdout]     |
[INFO] [stdout] 422 |     camera: &ProjectiveCamera,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_camera`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]    --> src/rendering.rs:594:13
[INFO] [stdout]     |
[INFO] [stdout] 594 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]    --> src/rendering.rs:751:13
[INFO] [stdout]     |
[INFO] [stdout] 751 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v0` is never read
[INFO] [stdout]    --> src/rendering.rs:805:9
[INFO] [stdout]     |
[INFO] [stdout] 805 |         v0 = v2;
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v1` is never read
[INFO] [stdout]    --> src/rendering.rs:818:9
[INFO] [stdout]     |
[INFO] [stdout] 818 |         v1 = v2;
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v2` is never read
[INFO] [stdout]    --> src/rendering.rs:819:9
[INFO] [stdout]     |
[INFO] [stdout] 819 |         v2 = swap;
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]    --> src/rendering.rs:932:13
[INFO] [stdout]     |
[INFO] [stdout] 932 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/starfield.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for i in 0..num_stars {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v0` is never read
[INFO] [stdout]     --> src/rendering.rs:1009:9
[INFO] [stdout]      |
[INFO] [stdout] 1009 |         v0 = v2;
[INFO] [stdout]      |         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v1` is never read
[INFO] [stdout]     --> src/rendering.rs:1026:9
[INFO] [stdout]      |
[INFO] [stdout] 1026 |         v1 = v2;
[INFO] [stdout]      |         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v2` is never read
[INFO] [stdout]     --> src/rendering.rs:1027:9
[INFO] [stdout]      |
[INFO] [stdout] 1027 |         v2 = swap;
[INFO] [stdout]      |         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]     --> src/rendering.rs:1176:13
[INFO] [stdout]      |
[INFO] [stdout] 1176 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |         for i in 1..dx {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:251:13
[INFO] [stdout]     |
[INFO] [stdout] 251 |         for i in 1..dy {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/rendering.rs:1252:9
[INFO] [stdout]      |
[INFO] [stdout] 1252 |     for i in i0..(i1 + 1) {
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/rendering.rs:1268:9
[INFO] [stdout]      |
[INFO] [stdout] 1268 |     for i in i0..(i1 + 1) {
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `red`
[INFO] [stdout]     --> src/main.rs:1189:9
[INFO] [stdout]      |
[INFO] [stdout] 1189 |     let red = Color { r: 255, g: 0, b: 0 };
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_red`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `green`
[INFO] [stdout]     --> src/main.rs:1190:9
[INFO] [stdout]      |
[INFO] [stdout] 1190 |     let green = Color { r: 0, g: 255, b: 0 };
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blue`
[INFO] [stdout]     --> src/main.rs:1191:9
[INFO] [stdout]      |
[INFO] [stdout] 1191 |     let blue = Color { r: 0, g: 0, b: 255 };
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_blue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `white`
[INFO] [stdout]     --> src/main.rs:1192:9
[INFO] [stdout]      |
[INFO] [stdout] 1192 |     let white = Color { r: 255, g: 255, b: 255 };
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_white`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sphere`
[INFO] [stdout]     --> src/main.rs:1198:9
[INFO] [stdout]      |
[INFO] [stdout] 1198 |     let sphere = sphere(35);
[INFO] [stdout]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sphere`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cube`
[INFO] [stdout]     --> src/main.rs:1199:9
[INFO] [stdout]      |
[INFO] [stdout] 1199 |     let cube = cube(0.9);
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_cube`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wooden_cube`
[INFO] [stdout]     --> src/main.rs:1200:9
[INFO] [stdout]      |
[INFO] [stdout] 1200 |     let wooden_cube = textured_cube(0.9, &wooden_crate);
[INFO] [stdout]      |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wooden_cube`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `brick_cube`
[INFO] [stdout]     --> src/main.rs:1201:9
[INFO] [stdout]      |
[INFO] [stdout] 1201 |     let brick_cube = textured_cube(1.0, &bricks);
[INFO] [stdout]      |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_brick_cube`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_instance_index`
[INFO] [stdout]     --> src/main.rs:1208:9
[INFO] [stdout]      |
[INFO] [stdout] 1208 |     let current_instance_index: Option<usize> = None;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_instance_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `starfield`
[INFO] [stdout]     --> src/main.rs:1305:9
[INFO] [stdout]      |
[INFO] [stdout] 1305 |     let starfield = Starfield::new(1000, 5.0, 110000.0);
[INFO] [stdout]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starfield`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]     --> src/main.rs:1343:13
[INFO] [stdout]      |
[INFO] [stdout] 1343 |         let delta = now.elapsed();
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:451:9
[INFO] [stdout]     |
[INFO] [stdout] 451 |     let rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:491:9
[INFO] [stdout]     |
[INFO] [stdout] 491 |     let rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/main.rs:713:9
[INFO] [stdout]     |
[INFO] [stdout] 713 |     let size = (z_max - z_min).abs();
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Frame` is never constructed
[INFO] [stdout]   --> src/main.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | struct Frame { x_min: f64, x_max: f64, y_min: f64, y_max: f64 }
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `project` is never used
[INFO] [stdout]    --> src/main.rs:181:4
[INFO] [stdout]     |
[INFO] [stdout] 181 | fn project(point3d: Vector3f) -> Point2D {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize` is never used
[INFO] [stdout]    --> src/main.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn normalize(point2d: Point2D, frame: Frame) -> Point2D {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rasterize` is never used
[INFO] [stdout]    --> src/main.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn rasterize(point: Point2D, size: usize) -> Pixel {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simple_line` is never used
[INFO] [stdout]    --> src/main.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn simple_line(start: Pixel, end: Pixel, buffer: &mut [u8], size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `face_visible` is never used
[INFO] [stdout]    --> src/main.rs:305:4
[INFO] [stdout]     |
[INFO] [stdout] 305 | fn face_visible(face: &Vec<i32>, vertices: &[Vector3f]) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `face_visible2` is never used
[INFO] [stdout]    --> src/main.rs:316:4
[INFO] [stdout]     |
[INFO] [stdout] 316 | fn face_visible2(face: &Vec<i32>, vertices: &[Vector3f]) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_face` is never used
[INFO] [stdout]    --> src/main.rs:331:4
[INFO] [stdout]     |
[INFO] [stdout] 331 | fn draw_face(face: &Vec<i32>,
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transform` is never used
[INFO] [stdout]    --> src/main.rs:353:4
[INFO] [stdout]     |
[INFO] [stdout] 353 | fn transform(vertices: &Vec<Vector3f>, vector: Vector3f) -> Vec<Vector3f> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotated_cube_vertices` is never used
[INFO] [stdout]    --> src/main.rs:367:4
[INFO] [stdout]     |
[INFO] [stdout] 367 | fn rotated_cube_vertices(t: f64) -> [Vector3f; 8] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotated_cube` is never used
[INFO] [stdout]    --> src/main.rs:421:4
[INFO] [stdout]     |
[INFO] [stdout] 421 | fn rotated_cube(t: f64) -> (Vec<Vector3f>, Vec<Vec<i32>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triangle` is never used
[INFO] [stdout]    --> src/main.rs:438:4
[INFO] [stdout]     |
[INFO] [stdout] 438 | fn triangle<'a>(size: f64) -> Model<'a> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_unit_cube` is never used
[INFO] [stdout]    --> src/main.rs:645:4
[INFO] [stdout]     |
[INFO] [stdout] 645 | fn two_unit_cube<'a>() -> Model<'a> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enclosing_frame` is never used
[INFO] [stdout]    --> src/main.rs:649:4
[INFO] [stdout]     |
[INFO] [stdout] 649 | fn enclosing_frame(vertices: &Vec<Vector3f>) -> Frame {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_z_transform` is never used
[INFO] [stdout]    --> src/main.rs:700:4
[INFO] [stdout]     |
[INFO] [stdout] 700 | fn find_z_transform(vertices: &Vec<Vector3f>) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_model_to_buffer` is never used
[INFO] [stdout]    --> src/main.rs:718:4
[INFO] [stdout]     |
[INFO] [stdout] 718 | fn render_model_to_buffer(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_buffer_in_window` is never used
[INFO] [stdout]    --> src/main.rs:766:4
[INFO] [stdout]     |
[INFO] [stdout] 766 | fn show_buffer_in_window(buffer: &mut [u8], size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotating_cube_window` is never used
[INFO] [stdout]    --> src/main.rs:820:4
[INFO] [stdout]     |
[INFO] [stdout] 820 | fn rotating_cube_window(buffer: &mut [u8], size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `three_spheres_window` is never used
[INFO] [stdout]    --> src/main.rs:930:4
[INFO] [stdout]     |
[INFO] [stdout] 930 | fn three_spheres_window(buffer: &mut [u8], size: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_video` is never used
[INFO] [stdout]     --> src/main.rs:1076:4
[INFO] [stdout]      |
[INFO] [stdout] 1076 | fn render_video() {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_wireframe_triangle` is never used
[INFO] [stdout]     --> src/main.rs:1088:4
[INFO] [stdout]      |
[INFO] [stdout] 1088 | fn draw_wireframe_triangle(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sphere` is never constructed
[INFO] [stdout]   --> src/ray_tracing.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Sphere {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sphere` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_scene_to_buffer` is never used
[INFO] [stdout]   --> src/ray_tracing.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn render_scene_to_buffer(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `canvas_to_viewport` is never used
[INFO] [stdout]   --> src/ray_tracing.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn canvas_to_viewport(x: i32, y: i32, canvas_width: i32, canvas_height: i32) -> Vector3f {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_lighting` is never used
[INFO] [stdout]   --> src/ray_tracing.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn compute_lighting(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_light_from_direction` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn compute_light_from_direction(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closest_intersection` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn closest_intersection(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace_ray` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:198:4
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn trace_ray(
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_colors` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn add_colors(color1: Color, color2: Color) -> Color {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `contains` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 | fn contains(range: (f64, f64), n: f64) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersect_ray_with_sphere` is never used
[INFO] [stdout]    --> src/ray_tracing.rs:283:4
[INFO] [stdout]     |
[INFO] [stdout] 283 | fn intersect_ray_with_sphere(origin: Vector3f, direction: Vector3f, sphere: Sphere) -> (f64, f64) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply_vec_and_mat` is never used
[INFO] [stdout]   --> src/vectors.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn multiply_vec_and_mat(vec: [f64; 3], mat: [[f64; 3]; 3]) -> [f64; 3] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotation_around_y` is never used
[INFO] [stdout]   --> src/vectors.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn rotation_around_y(d: f64) -> [[f64; 3]; 3] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `project` is never used
[INFO] [stdout]   --> src/projective_camera.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl ProjectiveCamera {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] 18 |     pub fn project(&self, point: Vector3f) -> Point2D {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/model.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Model<'a> {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |     pub name: &'a str,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `plane_type` is never read
[INFO] [stdout]  --> src/plane.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Plane {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 7 |     pub plane_type: PlaneType,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `num_stars`, `spread`, `speed`, `star_x`, `star_y`, and `star_z` are never read
[INFO] [stdout]   --> src/starfield.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Starfield {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 7  |     num_stars: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 8  |     spread: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 9  |     speed: f64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     star_x: Vec<f64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     star_y: Vec<f64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     star_z: Vec<f64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `update_and_render` and `new_star` are never used
[INFO] [stdout]   --> src/starfield.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Starfield {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn update_and_render(&mut self, delta: &Duration, canvas: &mut BufferCanvas) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn new_star(&mut self, i: usize) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `face_normal_direction_in_right` is never used
[INFO] [stdout]    --> src/rendering.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn face_normal_direction_in_right(face: &Vec<i32>, vertices: &[Vector4f]) -> Vector3f {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `face_normal_direction_in_left` is never used
[INFO] [stdout]    --> src/rendering.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn face_normal_direction_in_left(triangle: &Triangle, vertices: &[Vector4f]) -> Vector3f {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_vertex_outside` is never used
[INFO] [stdout]    --> src/rendering.rs:317:4
[INFO] [stdout]     |
[INFO] [stdout] 317 | fn is_vertex_outside(plane: &Plane, vertex: Vector4f) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_vertex_inside` is never used
[INFO] [stdout]    --> src/rendering.rs:323:4
[INFO] [stdout]     |
[INFO] [stdout] 323 | fn is_vertex_inside(plane: &Plane, vertex: Vector4f) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/starfield.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |             if (screen_x < 0 || screen_x >= canvas.size) || (screen_y < 0 || screen_y >= canvas.size) {
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/starfield.rs:46:62
[INFO] [stdout]    |
[INFO] [stdout] 46 |             if (screen_x < 0 || screen_x >= canvas.size) || (screen_y < 0 || screen_y >= canvas.size) {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 79 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `camera`
[INFO] [stdout]    --> src/rendering.rs:422:5
[INFO] [stdout]     |
[INFO] [stdout] 422 |     camera: &ProjectiveCamera,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_camera`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]    --> src/rendering.rs:594:13
[INFO] [stdout]     |
[INFO] [stdout] 594 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]    --> src/rendering.rs:751:13
[INFO] [stdout]     |
[INFO] [stdout] 751 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v0` is never read
[INFO] [stdout]    --> src/rendering.rs:805:9
[INFO] [stdout]     |
[INFO] [stdout] 805 |         v0 = v2;
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v1` is never read
[INFO] [stdout]    --> src/rendering.rs:818:9
[INFO] [stdout]     |
[INFO] [stdout] 818 |         v1 = v2;
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v2` is never read
[INFO] [stdout]    --> src/rendering.rs:819:9
[INFO] [stdout]     |
[INFO] [stdout] 819 |         v2 = swap;
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]    --> src/rendering.rs:932:13
[INFO] [stdout]     |
[INFO] [stdout] 932 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v0` is never read
[INFO] [stdout]     --> src/rendering.rs:1009:9
[INFO] [stdout]      |
[INFO] [stdout] 1009 |         v0 = v2;
[INFO] [stdout]      |         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v1` is never read
[INFO] [stdout]     --> src/rendering.rs:1026:9
[INFO] [stdout]      |
[INFO] [stdout] 1026 |         v1 = v2;
[INFO] [stdout]      |         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v2` is never read
[INFO] [stdout]     --> src/rendering.rs:1027:9
[INFO] [stdout]      |
[INFO] [stdout] 1027 |         v2 = swap;
[INFO] [stdout]      |         ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h_segment`
[INFO] [stdout]     --> src/rendering.rs:1176:13
[INFO] [stdout]      |
[INFO] [stdout] 1176 |         let h_segment = interpolate_float(x_l, h_left[y_index], x_r, h_right[y_index]);
[INFO] [stdout]      |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_h_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/rendering.rs:1252:9
[INFO] [stdout]      |
[INFO] [stdout] 1252 |     for i in i0..(i1 + 1) {
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/rendering.rs:1268:9
[INFO] [stdout]      |
[INFO] [stdout] 1268 |     for i in i0..(i1 + 1) {
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `red`
[INFO] [stdout]     --> src/main.rs:1189:9
[INFO] [stdout]      |
[INFO] [stdout] 1189 |     let red = Color { r: 255, g: 0, b: 0 };
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_red`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `green`
[INFO] [stdout]     --> src/main.rs:1190:9
[INFO] [stdout]      |
[INFO] [stdout] 1190 |     let green = Color { r: 0, g: 255, b: 0 };
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blue`
[INFO] [stdout]     --> src/main.rs:1191:9
[INFO] [stdout]      |
[INFO] [stdout] 1191 |     let blue = Color { r: 0, g: 0, b: 255 };
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_blue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `white`
[INFO] [stdout]     --> src/main.rs:1192:9
[INFO] [stdout]      |
[INFO] [stdout] 1192 |     let white = Color { r: 255, g: 255, b: 255 };
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_white`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sphere`
[INFO] [stdout]     --> src/main.rs:1198:9
[INFO] [stdout]      |
[INFO] [stdout] 1198 |     let sphere = sphere(35);
[INFO] [stdout]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sphere`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cube`
[INFO] [stdout]     --> src/main.rs:1199:9
[INFO] [stdout]      |
[INFO] [stdout] 1199 |     let cube = cube(0.9);
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_cube`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wooden_cube`
[INFO] [stdout]     --> src/main.rs:1200:9
[INFO] [stdout]      |
[INFO] [stdout] 1200 |     let wooden_cube = textured_cube(0.9, &wooden_crate);
[INFO] [stdout]      |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wooden_cube`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `brick_cube`
[INFO] [stdout]     --> src/main.rs:1201:9
[INFO] [stdout]      |
[INFO] [stdout] 1201 |     let brick_cube = textured_cube(1.0, &bricks);
[INFO] [stdout]      |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_brick_cube`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_instance_index`
[INFO] [stdout]     --> src/main.rs:1208:9
[INFO] [stdout]      |
[INFO] [stdout] 1208 |     let current_instance_index: Option<usize> = None;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_instance_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `starfield`
[INFO] [stdout]     --> src/main.rs:1305:9
[INFO] [stdout]      |
[INFO] [stdout] 1305 |     let starfield = Starfield::new(1000, 5.0, 110000.0);
[INFO] [stdout]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starfield`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]     --> src/main.rs:1343:13
[INFO] [stdout]      |
[INFO] [stdout] 1343 |         let delta = now.elapsed();
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `durer` (bin "durer" test) due to 9 previous errors; 35 warnings emitted
[INFO] [stderr] error: failed to check after updating to 2024
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "f9833dd2af102eb2e76d2b6c14d3c2ba516bfd7fa7c4b4a82fe83a40a9fe9f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9833dd2af102eb2e76d2b6c14d3c2ba516bfd7fa7c4b4a82fe83a40a9fe9f6e", kill_on_drop: false }`
[INFO] [stdout] f9833dd2af102eb2e76d2b6c14d3c2ba516bfd7fa7c4b4a82fe83a40a9fe9f6e