[INFO] cloning repository https://github.com/lprib/raymarcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lprib/raymarcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flprib%2Fraymarcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flprib%2Fraymarcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f34b19a6c54ea630eb05a59abf905d60474d4bd
[INFO] testing lprib/raymarcher against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flprib%2Fraymarcher" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lprib/raymarcher on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lprib/raymarcher
[INFO] finished tweaking git repo https://github.com/lprib/raymarcher
[INFO] tweaked toml for git repo https://github.com/lprib/raymarcher written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lprib/raymarcher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 457b8f2fcf4f0b33d481200e86ca6b5a9636610d387e3ccc06e4ebb5a811b165
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "457b8f2fcf4f0b33d481200e86ca6b5a9636610d387e3ccc06e4ebb5a811b165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "457b8f2fcf4f0b33d481200e86ca6b5a9636610d387e3ccc06e4ebb5a811b165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457b8f2fcf4f0b33d481200e86ca6b5a9636610d387e3ccc06e4ebb5a811b165", kill_on_drop: false }`
[INFO] [stdout] 457b8f2fcf4f0b33d481200e86ca6b5a9636610d387e3ccc06e4ebb5a811b165
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d26ac739ae03403aacf6a4a32de523cb164177eb34ae570fad05b42a2ea0973
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0d26ac739ae03403aacf6a4a32de523cb164177eb34ae570fad05b42a2ea0973", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `cgmath::Quaternion`
[INFO] [stdout]  --> src/render_3d/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cgmath::Quaternion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/render_3d/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/render_3d/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ImageRenderConfiguration`
[INFO] [stdout]  --> src/render_3d/mod.rs:7:48
[INFO] [stdout]   |
[INFO] [stdout] 7 | use raymarcher::{RayMarcher, RayMarcherConfig, ImageRenderConfiguration};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Julia`, `Mandelbrot`
[INFO] [stdout]  --> src/render_3d/mod.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use fractals::{Julia, Mandelbrot};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scene_object::Sphere`
[INFO] [stdout]  --> src/render_3d/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use scene_object::Sphere;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ZSectioned`
[INFO] [stdout]   --> src/render_3d/mod.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use sectioned::{ZSectioned};
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::render_3d::fractals::Mandelbulb`
[INFO] [stdout]   --> src/render_3d/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::render_3d::fractals::Mandelbulb;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sphere`
[INFO] [stdout]  --> src/render_3d/raymarcher.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::scene_object::{Sphere, SceneObject};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::fractals::Julia`
[INFO] [stdout]  --> src/render_3d/raymarcher.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::fractals::Julia;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cgmath::Quaternion`
[INFO] [stdout]  --> src/render_3d/raymarcher.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cgmath::Quaternion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SceneVec`
[INFO] [stdout]  --> src/render_3d/ray.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::scene::{SceneVec, Scene};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/render_3d/raymarcher.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 return norm;
[INFO] [stdout]    |                 ----------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 66 |                 let reflect_vec = (-light_vec).reflect(norm);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Scene`
[INFO] [stdout]  --> src/render_3d/ray.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::scene::{SceneVec, Scene};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]    --> src/main.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let object = Julia {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:159:45
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let int = input.parse::<u32>().map_err(|e| "must be a valid integer")?;
[INFO] [stdout]     |                                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/render_3d/raymarcher.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let len = len / 5.0 - 0.2;
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s_dot_n`
[INFO] [stdout]   --> src/render_3d/raymarcher.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 let s_dot_n = norm.dot(light_vec);
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_s_dot_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/render_3d/fractals.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn get_color(&self, t: f64) -> Vec3 {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/render_3d/fractals.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         for i in 0..JULIA_MAX_ITERS {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/render_3d/fractals.rs:80:40
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn distance_to(&self, point: Vec3, t: f64) -> f64 {
[INFO] [stdout]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/render_3d/fractals.rs:108:25
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn get_color(&self, t: f64) -> Vec3 {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mouse_plane_x`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let mouse_plane_x = mouse_x / super::WIDTH as f64;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mouse_plane_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mouse_plane_y`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mouse_plane_y = mouse_y / super::HEIGHT as f64;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mouse_plane_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mouse_plane_x`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mouse_plane_x = mouse_x / super::WIDTH as f64;
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mouse_plane_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mouse_plane_y`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mouse_plane_y = mouse_y / super::HEIGHT as f64;
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mouse_plane_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render_to_image`
[INFO] [stdout]   --> src/render_3d/raymarcher.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn render_to_image(&self, file: &Path, (width, height): (usize, usize), t: f64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render_images`
[INFO] [stdout]    --> src/render_3d/raymarcher.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn render_images<F: Fn(u32) -> String>(&self, config: ImageRenderConfiguration<F>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ImageRenderConfiguration`
[INFO] [stdout]    --> src/render_3d/raymarcher.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub struct ImageRenderConfiguration<F: Fn(u32) -> String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COMPLEX_PLANE_SIZE`
[INFO] [stdout]  --> src/render_3d/fractals.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const COMPLEX_PLANE_SIZE: f64 = 2.0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DISTANCE_ESTIMATE_MULTIPLIER`
[INFO] [stdout]  --> src/render_3d/fractals.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const DISTANCE_ESTIMATE_MULTIPLIER: f64 = 0.5;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `C`
[INFO] [stdout]  --> src/render_2d/julia_distance.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | static C: Complex64 = Complex64::new(-0.1, 0.651);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `MAX_JULIA_ITERS`
[INFO] [stdout]  --> src/render_2d/julia_distance.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | static MAX_JULIA_ITERS: i32 = 500;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `MAX_RAYMARCH_ITERS`
[INFO] [stdout]  --> src/render_2d/julia_distance.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | static MAX_RAYMARCH_ITERS: i32 = 500;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `RAYMARCH_HIT_THRESHOLD`
[INFO] [stdout]  --> src/render_2d/julia_distance.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | static RAYMARCH_HIT_THRESHOLD: f64 = 0.01;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `POINTS`
[INFO] [stdout]   --> src/render_2d/julia_distance.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | static mut POINTS: Vec<Vec3> = Vec::new();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `RED`
[INFO] [stdout]   --> src/render_2d/julia_distance.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | static RED: Vec3 = Vec3 { x: 1.0, y: 0.0, z: 0.0 };
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `BLUE`
[INFO] [stdout]   --> src/render_2d/julia_distance.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | static BLUE: Vec3 = Vec3 { x: 0.0, y: 0.0, z: 1.0 };
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw`
[INFO] [stdout]   --> src/render_2d/julia_distance.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn draw(frame: &mut [u32]) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dist_estimate`
[INFO] [stdout]   --> src/render_2d/julia_distance.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn dist_estimate(zx: f64, zy: f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_ray2d`
[INFO] [stdout]   --> src/render_2d/julia_distance.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn draw_ray2d(frame: &mut [u32], mouse_x: f64, mouse_y: f64) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_point`
[INFO] [stdout]    --> src/render_2d/julia_distance.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn draw_point(frame: &mut [u32], x: f64, y: f64, color: Vec3) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `screen_to_complex`
[INFO] [stdout]    --> src/render_2d/julia_distance.rs:133:4
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn screen_to_complex(x: f64, y: f64) -> (f64, f64) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Quaternion64`
[INFO] [stdout]  --> src/render_2d/quaternion_julia.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Quaternion64 = Quaternion<f64>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `C`
[INFO] [stdout]  --> src/render_2d/quaternion_julia.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | static C: Quaternion64 = Quaternion::new(-0.2,0.6,0.2,0.2);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_ITERATIONS`
[INFO] [stdout]  --> src/render_2d/quaternion_julia.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const MAX_ITERATIONS: i32 = 30;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COMPLEX_PLANE_SIZE`
[INFO] [stdout]  --> src/render_2d/quaternion_julia.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const COMPLEX_PLANE_SIZE: f64 = 4.0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `JULIA_DISTANCE_MULTIPLIER`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const JULIA_DISTANCE_MULTIPLIER: f64 = 100.0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `MAX_RAYMARCH_ITERS`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | static MAX_RAYMARCH_ITERS: i32 = 50;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `RAYMARCH_HIT_THRESHOLD`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | static RAYMARCH_HIT_THRESHOLD: f64 = 1E-2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_z`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn get_z(x: f64, y: f64, px: f64, py: f64) -> Quaternion64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_val`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn get_val(z: Quaternion64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_val_dist_estimate`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn get_val_dist_estimate(z: Quaternion64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_val_mandelbrot`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn get_val_mandelbrot(pos: Quaternion64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_quaternion_julia`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn draw_quaternion_julia(frame: &mut [u32], mouse_x: f64, mouse_y: f64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trace_ray`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn trace_ray(frame: &mut [u32], mouse_x: f64, mouse_y: f64) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `screen_to_complex`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:133:4
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn screen_to_complex(x: f64, y: f64) -> (f64, f64) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_point`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn draw_point(frame: &mut [u32], x: f64, y: f64, color: Vec3) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `s2c`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn s2c(x: f64) -> f64 {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `c2s`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn c2s(c: f64) -> f64 {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `distance_to2`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn distance_to2(point: Vec3) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WIDTH`
[INFO] [stdout]  --> src/render_2d/mod.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const WIDTH: usize = 1024;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HEIGHT`
[INFO] [stdout]  --> src/render_2d/mod.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const HEIGHT: usize = 1024;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/render_2d/mod.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/render_3d/raymarcher.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         image.save_with_format(file, ImageFormat::Png);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: path statement with no effect
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     log_dist;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(path_statements)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 66 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "0d26ac739ae03403aacf6a4a32de523cb164177eb34ae570fad05b42a2ea0973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d26ac739ae03403aacf6a4a32de523cb164177eb34ae570fad05b42a2ea0973", kill_on_drop: false }`
[INFO] [stdout] 0d26ac739ae03403aacf6a4a32de523cb164177eb34ae570fad05b42a2ea0973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 884a90ee480ec026bc29a2a6523a55285da69048224090aeef6725e291342fce
[INFO] running `Command { std: "docker" "start" "-a" "884a90ee480ec026bc29a2a6523a55285da69048224090aeef6725e291342fce", kill_on_drop: false }`
[INFO] [stderr]    Compiling marcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cgmath::Quaternion`
[INFO] [stdout]  --> src/render_3d/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cgmath::Quaternion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/render_3d/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/render_3d/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ImageRenderConfiguration`
[INFO] [stdout]  --> src/render_3d/mod.rs:7:48
[INFO] [stdout]   |
[INFO] [stdout] 7 | use raymarcher::{RayMarcher, RayMarcherConfig, ImageRenderConfiguration};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Julia`, `Mandelbrot`
[INFO] [stdout]  --> src/render_3d/mod.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use fractals::{Julia, Mandelbrot};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scene_object::Sphere`
[INFO] [stdout]  --> src/render_3d/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use scene_object::Sphere;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ZSectioned`
[INFO] [stdout]   --> src/render_3d/mod.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use sectioned::{ZSectioned};
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::render_3d::fractals::Mandelbulb`
[INFO] [stdout]   --> src/render_3d/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::render_3d::fractals::Mandelbulb;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sphere`
[INFO] [stdout]  --> src/render_3d/raymarcher.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::scene_object::{Sphere, SceneObject};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::fractals::Julia`
[INFO] [stdout]  --> src/render_3d/raymarcher.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::fractals::Julia;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cgmath::Quaternion`
[INFO] [stdout]  --> src/render_3d/raymarcher.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cgmath::Quaternion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SceneVec`
[INFO] [stdout]  --> src/render_3d/ray.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::scene::{SceneVec, Scene};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/render_3d/raymarcher.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 return norm;
[INFO] [stdout]    |                 ----------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 66 |                 let reflect_vec = (-light_vec).reflect(norm);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Scene`
[INFO] [stdout]  --> src/render_3d/ray.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::scene::{SceneVec, Scene};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]    --> src/main.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let object = Julia {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:159:45
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let int = input.parse::<u32>().map_err(|e| "must be a valid integer")?;
[INFO] [stdout]     |                                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/render_3d/raymarcher.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let len = len / 5.0 - 0.2;
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s_dot_n`
[INFO] [stdout]   --> src/render_3d/raymarcher.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 let s_dot_n = norm.dot(light_vec);
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_s_dot_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/render_3d/fractals.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn get_color(&self, t: f64) -> Vec3 {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/render_3d/fractals.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         for i in 0..JULIA_MAX_ITERS {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/render_3d/fractals.rs:80:40
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn distance_to(&self, point: Vec3, t: f64) -> f64 {
[INFO] [stdout]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/render_3d/fractals.rs:108:25
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn get_color(&self, t: f64) -> Vec3 {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mouse_plane_x`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let mouse_plane_x = mouse_x / super::WIDTH as f64;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mouse_plane_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mouse_plane_y`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mouse_plane_y = mouse_y / super::HEIGHT as f64;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mouse_plane_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mouse_plane_x`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mouse_plane_x = mouse_x / super::WIDTH as f64;
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mouse_plane_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mouse_plane_y`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mouse_plane_y = mouse_y / super::HEIGHT as f64;
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mouse_plane_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render_to_image`
[INFO] [stdout]   --> src/render_3d/raymarcher.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn render_to_image(&self, file: &Path, (width, height): (usize, usize), t: f64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render_images`
[INFO] [stdout]    --> src/render_3d/raymarcher.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn render_images<F: Fn(u32) -> String>(&self, config: ImageRenderConfiguration<F>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ImageRenderConfiguration`
[INFO] [stdout]    --> src/render_3d/raymarcher.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub struct ImageRenderConfiguration<F: Fn(u32) -> String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COMPLEX_PLANE_SIZE`
[INFO] [stdout]  --> src/render_3d/fractals.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const COMPLEX_PLANE_SIZE: f64 = 2.0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DISTANCE_ESTIMATE_MULTIPLIER`
[INFO] [stdout]  --> src/render_3d/fractals.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const DISTANCE_ESTIMATE_MULTIPLIER: f64 = 0.5;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `C`
[INFO] [stdout]  --> src/render_2d/julia_distance.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | static C: Complex64 = Complex64::new(-0.1, 0.651);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `MAX_JULIA_ITERS`
[INFO] [stdout]  --> src/render_2d/julia_distance.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | static MAX_JULIA_ITERS: i32 = 500;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `MAX_RAYMARCH_ITERS`
[INFO] [stdout]  --> src/render_2d/julia_distance.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | static MAX_RAYMARCH_ITERS: i32 = 500;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `RAYMARCH_HIT_THRESHOLD`
[INFO] [stdout]  --> src/render_2d/julia_distance.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | static RAYMARCH_HIT_THRESHOLD: f64 = 0.01;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `POINTS`
[INFO] [stdout]   --> src/render_2d/julia_distance.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | static mut POINTS: Vec<Vec3> = Vec::new();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `RED`
[INFO] [stdout]   --> src/render_2d/julia_distance.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | static RED: Vec3 = Vec3 { x: 1.0, y: 0.0, z: 0.0 };
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `BLUE`
[INFO] [stdout]   --> src/render_2d/julia_distance.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | static BLUE: Vec3 = Vec3 { x: 0.0, y: 0.0, z: 1.0 };
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw`
[INFO] [stdout]   --> src/render_2d/julia_distance.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn draw(frame: &mut [u32]) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dist_estimate`
[INFO] [stdout]   --> src/render_2d/julia_distance.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn dist_estimate(zx: f64, zy: f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_ray2d`
[INFO] [stdout]   --> src/render_2d/julia_distance.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn draw_ray2d(frame: &mut [u32], mouse_x: f64, mouse_y: f64) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_point`
[INFO] [stdout]    --> src/render_2d/julia_distance.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn draw_point(frame: &mut [u32], x: f64, y: f64, color: Vec3) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `screen_to_complex`
[INFO] [stdout]    --> src/render_2d/julia_distance.rs:133:4
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn screen_to_complex(x: f64, y: f64) -> (f64, f64) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Quaternion64`
[INFO] [stdout]  --> src/render_2d/quaternion_julia.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Quaternion64 = Quaternion<f64>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `C`
[INFO] [stdout]  --> src/render_2d/quaternion_julia.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | static C: Quaternion64 = Quaternion::new(-0.2,0.6,0.2,0.2);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_ITERATIONS`
[INFO] [stdout]  --> src/render_2d/quaternion_julia.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const MAX_ITERATIONS: i32 = 30;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COMPLEX_PLANE_SIZE`
[INFO] [stdout]  --> src/render_2d/quaternion_julia.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const COMPLEX_PLANE_SIZE: f64 = 4.0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `JULIA_DISTANCE_MULTIPLIER`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const JULIA_DISTANCE_MULTIPLIER: f64 = 100.0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `MAX_RAYMARCH_ITERS`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | static MAX_RAYMARCH_ITERS: i32 = 50;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `RAYMARCH_HIT_THRESHOLD`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | static RAYMARCH_HIT_THRESHOLD: f64 = 1E-2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_z`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn get_z(x: f64, y: f64, px: f64, py: f64) -> Quaternion64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_val`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn get_val(z: Quaternion64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_val_dist_estimate`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn get_val_dist_estimate(z: Quaternion64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_val_mandelbrot`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn get_val_mandelbrot(pos: Quaternion64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_quaternion_julia`
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn draw_quaternion_julia(frame: &mut [u32], mouse_x: f64, mouse_y: f64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trace_ray`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn trace_ray(frame: &mut [u32], mouse_x: f64, mouse_y: f64) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `screen_to_complex`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:133:4
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn screen_to_complex(x: f64, y: f64) -> (f64, f64) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_point`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn draw_point(frame: &mut [u32], x: f64, y: f64, color: Vec3) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `s2c`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn s2c(x: f64) -> f64 {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `c2s`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn c2s(c: f64) -> f64 {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `distance_to2`
[INFO] [stdout]    --> src/render_2d/quaternion_julia.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn distance_to2(point: Vec3) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WIDTH`
[INFO] [stdout]  --> src/render_2d/mod.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const WIDTH: usize = 1024;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HEIGHT`
[INFO] [stdout]  --> src/render_2d/mod.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const HEIGHT: usize = 1024;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/render_2d/mod.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/render_3d/raymarcher.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         image.save_with_format(file, ImageFormat::Png);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: path statement with no effect
[INFO] [stdout]   --> src/render_2d/quaternion_julia.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     log_dist;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(path_statements)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 66 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "884a90ee480ec026bc29a2a6523a55285da69048224090aeef6725e291342fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "884a90ee480ec026bc29a2a6523a55285da69048224090aeef6725e291342fce", kill_on_drop: false }`
[INFO] [stdout] 884a90ee480ec026bc29a2a6523a55285da69048224090aeef6725e291342fce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 935717a09078139500df4839314a6dba53ddb7147f200c26efbdcaa311c5c6f7
[INFO] running `Command { std: "docker" "start" "-a" "935717a09078139500df4839314a6dba53ddb7147f200c26efbdcaa311c5c6f7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `cgmath::Quaternion`
[INFO] [stderr]  --> src/render_3d/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use cgmath::Quaternion;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/render_3d/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]  --> src/render_3d/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::process::exit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageRenderConfiguration`
[INFO] [stderr]  --> src/render_3d/mod.rs:7:48
[INFO] [stderr]   |
[INFO] [stderr] 7 | use raymarcher::{RayMarcher, RayMarcherConfig, ImageRenderConfiguration};
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Julia`, `Mandelbrot`
[INFO] [stderr]  --> src/render_3d/mod.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 | use fractals::{Julia, Mandelbrot};
[INFO] [stderr]   |                ^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `scene_object::Sphere`
[INFO] [stderr]  --> src/render_3d/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use scene_object::Sphere;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ZSectioned`
[INFO] [stderr]   --> src/render_3d/mod.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 | use sectioned::{ZSectioned};
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::render_3d::fractals::Mandelbulb`
[INFO] [stderr]   --> src/render_3d/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::render_3d::fractals::Mandelbulb;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sphere`
[INFO] [stderr]  --> src/render_3d/raymarcher.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::scene_object::{Sphere, SceneObject};
[INFO] [stderr]   |                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::fractals::Julia`
[INFO] [stderr]  --> src/render_3d/raymarcher.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use super::fractals::Julia;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cgmath::Quaternion`
[INFO] [stderr]  --> src/render_3d/raymarcher.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use cgmath::Quaternion;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SceneVec`
[INFO] [stderr]  --> src/render_3d/ray.rs:2:20
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::scene::{SceneVec, Scene};
[INFO] [stderr]   |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/render_3d/raymarcher.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 return norm;
[INFO] [stderr]    |                 ----------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 66 |                 let reflect_vec = (-light_vec).reflect(norm);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Scene`
[INFO] [stderr]  --> src/render_3d/ray.rs:2:30
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::scene::{SceneVec, Scene};
[INFO] [stderr]   |                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `object`
[INFO] [stderr]    --> src/main.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let object = Julia {
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:159:45
[INFO] [stderr]     |
[INFO] [stderr] 159 |     let int = input.parse::<u32>().map_err(|e| "must be a valid integer")?;
[INFO] [stderr]     |                                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]   --> src/render_3d/raymarcher.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let len = len / 5.0 - 0.2;
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s_dot_n`
[INFO] [stderr]   --> src/render_3d/raymarcher.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 let s_dot_n = norm.dot(light_vec);
[INFO] [stderr]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_s_dot_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/render_3d/fractals.rs:37:25
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn get_color(&self, t: f64) -> Vec3 {
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/render_3d/fractals.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |         for i in 0..JULIA_MAX_ITERS {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/render_3d/fractals.rs:80:40
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn distance_to(&self, point: Vec3, t: f64) -> f64 {
[INFO] [stderr]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/render_3d/fractals.rs:108:25
[INFO] [stderr]     |
[INFO] [stderr] 108 |     fn get_color(&self, t: f64) -> Vec3 {
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mouse_plane_x`
[INFO] [stderr]   --> src/render_2d/quaternion_julia.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let mouse_plane_x = mouse_x / super::WIDTH as f64;
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mouse_plane_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mouse_plane_y`
[INFO] [stderr]   --> src/render_2d/quaternion_julia.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mouse_plane_y = mouse_y / super::HEIGHT as f64;
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mouse_plane_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mouse_plane_x`
[INFO] [stderr]    --> src/render_2d/quaternion_julia.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let mouse_plane_x = mouse_x / super::WIDTH as f64;
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mouse_plane_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mouse_plane_y`
[INFO] [stderr]    --> src/render_2d/quaternion_julia.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let mouse_plane_y = mouse_y / super::HEIGHT as f64;
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mouse_plane_y`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `render_to_image`
[INFO] [stderr]   --> src/render_3d/raymarcher.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn render_to_image(&self, file: &Path, (width, height): (usize, usize), t: f64) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `render_images`
[INFO] [stderr]    --> src/render_3d/raymarcher.rs:117:12
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn render_images<F: Fn(u32) -> String>(&self, config: ImageRenderConfiguration<F>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ImageRenderConfiguration`
[INFO] [stderr]    --> src/render_3d/raymarcher.rs:162:12
[INFO] [stderr]     |
[INFO] [stderr] 162 | pub struct ImageRenderConfiguration<F: Fn(u32) -> String> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `COMPLEX_PLANE_SIZE`
[INFO] [stderr]  --> src/render_3d/fractals.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const COMPLEX_PLANE_SIZE: f64 = 2.0;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `DISTANCE_ESTIMATE_MULTIPLIER`
[INFO] [stderr]  --> src/render_3d/fractals.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const DISTANCE_ESTIMATE_MULTIPLIER: f64 = 0.5;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `C`
[INFO] [stderr]  --> src/render_2d/julia_distance.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | static C: Complex64 = Complex64::new(-0.1, 0.651);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `MAX_JULIA_ITERS`
[INFO] [stderr]  --> src/render_2d/julia_distance.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | static MAX_JULIA_ITERS: i32 = 500;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `MAX_RAYMARCH_ITERS`
[INFO] [stderr]  --> src/render_2d/julia_distance.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | static MAX_RAYMARCH_ITERS: i32 = 500;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `RAYMARCH_HIT_THRESHOLD`
[INFO] [stderr]  --> src/render_2d/julia_distance.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | static RAYMARCH_HIT_THRESHOLD: f64 = 0.01;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `POINTS`
[INFO] [stderr]   --> src/render_2d/julia_distance.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | static mut POINTS: Vec<Vec3> = Vec::new();
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `RED`
[INFO] [stderr]   --> src/render_2d/julia_distance.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | static RED: Vec3 = Vec3 { x: 1.0, y: 0.0, z: 0.0 };
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `BLUE`
[INFO] [stderr]   --> src/render_2d/julia_distance.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | static BLUE: Vec3 = Vec3 { x: 0.0, y: 0.0, z: 1.0 };
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw`
[INFO] [stderr]   --> src/render_2d/julia_distance.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn draw(frame: &mut [u32]) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dist_estimate`
[INFO] [stderr]   --> src/render_2d/julia_distance.rs:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub fn dist_estimate(zx: f64, zy: f64) -> f64 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_ray2d`
[INFO] [stderr]   --> src/render_2d/julia_distance.rs:78:8
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub fn draw_ray2d(frame: &mut [u32], mouse_x: f64, mouse_y: f64) {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_point`
[INFO] [stderr]    --> src/render_2d/julia_distance.rs:127:4
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn draw_point(frame: &mut [u32], x: f64, y: f64, color: Vec3) {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `screen_to_complex`
[INFO] [stderr]    --> src/render_2d/julia_distance.rs:133:4
[INFO] [stderr]     |
[INFO] [stderr] 133 | fn screen_to_complex(x: f64, y: f64) -> (f64, f64) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Quaternion64`
[INFO] [stderr]  --> src/render_2d/quaternion_julia.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Quaternion64 = Quaternion<f64>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `C`
[INFO] [stderr]  --> src/render_2d/quaternion_julia.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | static C: Quaternion64 = Quaternion::new(-0.2,0.6,0.2,0.2);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MAX_ITERATIONS`
[INFO] [stderr]  --> src/render_2d/quaternion_julia.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const MAX_ITERATIONS: i32 = 30;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `COMPLEX_PLANE_SIZE`
[INFO] [stderr]  --> src/render_2d/quaternion_julia.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const COMPLEX_PLANE_SIZE: f64 = 4.0;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `JULIA_DISTANCE_MULTIPLIER`
[INFO] [stderr]   --> src/render_2d/quaternion_julia.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const JULIA_DISTANCE_MULTIPLIER: f64 = 100.0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `MAX_RAYMARCH_ITERS`
[INFO] [stderr]   --> src/render_2d/quaternion_julia.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | static MAX_RAYMARCH_ITERS: i32 = 50;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `RAYMARCH_HIT_THRESHOLD`
[INFO] [stderr]   --> src/render_2d/quaternion_julia.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | static RAYMARCH_HIT_THRESHOLD: f64 = 1E-2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_z`
[INFO] [stderr]   --> src/render_2d/quaternion_julia.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn get_z(x: f64, y: f64, px: f64, py: f64) -> Quaternion64 {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_val`
[INFO] [stderr]   --> src/render_2d/quaternion_julia.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn get_val(z: Quaternion64) -> f64 {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_val_dist_estimate`
[INFO] [stderr]   --> src/render_2d/quaternion_julia.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn get_val_dist_estimate(z: Quaternion64) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_val_mandelbrot`
[INFO] [stderr]   --> src/render_2d/quaternion_julia.rs:67:4
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn get_val_mandelbrot(pos: Quaternion64) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_quaternion_julia`
[INFO] [stderr]   --> src/render_2d/quaternion_julia.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn draw_quaternion_julia(frame: &mut [u32], mouse_x: f64, mouse_y: f64) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `trace_ray`
[INFO] [stderr]    --> src/render_2d/quaternion_julia.rs:103:4
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn trace_ray(frame: &mut [u32], mouse_x: f64, mouse_y: f64) {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `screen_to_complex`
[INFO] [stderr]    --> src/render_2d/quaternion_julia.rs:133:4
[INFO] [stderr]     |
[INFO] [stderr] 133 | fn screen_to_complex(x: f64, y: f64) -> (f64, f64) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_point`
[INFO] [stderr]    --> src/render_2d/quaternion_julia.rs:139:4
[INFO] [stderr]     |
[INFO] [stderr] 139 | fn draw_point(frame: &mut [u32], x: f64, y: f64, color: Vec3) {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `s2c`
[INFO] [stderr]    --> src/render_2d/quaternion_julia.rs:145:4
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn s2c(x: f64) -> f64 {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `c2s`
[INFO] [stderr]    --> src/render_2d/quaternion_julia.rs:149:4
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn c2s(c: f64) -> f64 {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `distance_to2`
[INFO] [stderr]    --> src/render_2d/quaternion_julia.rs:153:4
[INFO] [stderr]     |
[INFO] [stderr] 153 | fn distance_to2(point: Vec3) -> f64 {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `WIDTH`
[INFO] [stderr]  --> src/render_2d/mod.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const WIDTH: usize = 1024;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `HEIGHT`
[INFO] [stderr]  --> src/render_2d/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const HEIGHT: usize = 1024;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/render_2d/mod.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/render_3d/raymarcher.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         image.save_with_format(file, ImageFormat::Png);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: path statement with no effect
[INFO] [stderr]   --> src/render_2d/quaternion_julia.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     log_dist;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(path_statements)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 66 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/marcher-e7c8358ce94085da
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "935717a09078139500df4839314a6dba53ddb7147f200c26efbdcaa311c5c6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "935717a09078139500df4839314a6dba53ddb7147f200c26efbdcaa311c5c6f7", kill_on_drop: false }`
[INFO] [stdout] 935717a09078139500df4839314a6dba53ddb7147f200c26efbdcaa311c5c6f7