[INFO] cloning repository https://github.com/jake-yukich/luxst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jake-yukich/luxst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjake-yukich%2Fluxst", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjake-yukich%2Fluxst'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52d70d29845686526e05cbab110c9173784e83dc
[INFO] checking jake-yukich/luxst against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjake-yukich%2Fluxst" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jake-yukich/luxst
[INFO] finished tweaking git repo https://github.com/jake-yukich/luxst
[INFO] tweaked toml for git repo https://github.com/jake-yukich/luxst written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jake-yukich/luxst on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jake-yukich/luxst 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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0365b55d4729019ca7ab9273bd4a6829f0a27bf0de6762aa7bf8d35853d50731
[INFO] running `Command { std: "docker" "start" "-a" "0365b55d4729019ca7ab9273bd4a6829f0a27bf0de6762aa7bf8d35853d50731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0365b55d4729019ca7ab9273bd4a6829f0a27bf0de6762aa7bf8d35853d50731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0365b55d4729019ca7ab9273bd4a6829f0a27bf0de6762aa7bf8d35853d50731", kill_on_drop: false }`
[INFO] [stdout] 0365b55d4729019ca7ab9273bd4a6829f0a27bf0de6762aa7bf8d35853d50731
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d93bcc8b4c995f13545f2ed810910cd2619934c7c0030a26e4a33c17ed343536
[INFO] running `Command { std: "docker" "start" "-a" "d93bcc8b4c995f13545f2ed810910cd2619934c7c0030a26e4a33c17ed343536", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking adler2 v2.0.0
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[INFO] [stderr]     Checking luxst v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `add`, `scale`, `normalize`, and `length` are never used
[INFO] [stdout]   --> src/common.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Vec3 {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn add(&self, other: &Vec3) -> Vec3 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn scale(&self, t: f64) -> Vec3 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn normalize(&self) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn length(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `scale` and `add` are never used
[INFO] [stdout]   --> src/common.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Color {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn scale(&self, t: f64) -> Color {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn add(&self, other: &Color) -> Color {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `specular` and `reflective` are never read
[INFO] [stdout]   --> src/common.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct Material {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 69 |     pub color: Color,
[INFO] [stdout] 70 |     pub specular: Option<f64>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 71 |     pub reflective: Option<f64>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `direction` is never read
[INFO] [stdout]    --> src/common.rs:123:19
[INFO] [stdout]     |
[INFO] [stdout] 123 |     Directional { direction: Vec3 },
[INFO] [stdout]     |     -----------   ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `position` is never read
[INFO] [stdout]    --> src/common.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |     Point { position: Vec3 },
[INFO] [stdout]     |     -----   ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `light_type`, `intensity`, and `color` are never read
[INFO] [stdout]    --> src/common.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct Light {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 128 |     pub light_type: LightType,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 129 |     pub intensity: f64,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 130 |     pub color: Color,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lights` is never read
[INFO] [stdout]    --> src/common.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub struct Scene {
[INFO] [stdout]     |                ----- field in this struct
[INFO] [stdout] 218 |         pub spheres: Vec<Sphere>,
[INFO] [stdout] 219 |         pub lights: Vec<Light>,
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_lighting` is never used
[INFO] [stdout]  --> src/raytracer_v2_lights.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn compute_lighting(point: &Vec3, normal: &Vec3, lights: &[Light]) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]   --> src/raytracer_v2_lights.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn trace(origin: &Vec3, direction: &Vec3, t_min: f64, t_max: f64, spheres: &[Sphere], lights: &[Light]) -> Color {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/raytracer_v2_lights.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_lighting` is never used
[INFO] [stdout]  --> src/raytracer_v3_specular.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn compute_lighting(point: &Vec3, normal: &Vec3, view: &Vec3, specular: Option<f64>, lights: &[Light]) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_diffuse_intensity` is never used
[INFO] [stdout]   --> src/raytracer_v3_specular.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn calculate_diffuse_intensity(normal: &Vec3, direction: &Vec3, intensity: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_specular_intensity` is never used
[INFO] [stdout]   --> src/raytracer_v3_specular.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn calculate_specular_intensity(normal: &Vec3, light_dir: &Vec3, view: &Vec3, specular: Option<f64>, intensity: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]   --> src/raytracer_v3_specular.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn trace(origin: &Vec3, direction: &Vec3, t_min: f64, t_max: f64, spheres: &[Sphere], lights: &[Light]) -> Color {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/raytracer_v3_specular.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_lighting` is never used
[INFO] [stdout]   --> src/raytracer_v4_shadows.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn compute_lighting(point: &Vec3, normal: &Vec3, view: &Vec3, specular: Option<f64>, lights: &[Light], spheres: &[Sphere]) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_diffuse_intensity` is never used
[INFO] [stdout]   --> src/raytracer_v4_shadows.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn calculate_diffuse_intensity(normal: &Vec3, direction: &Vec3, intensity: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_specular_intensity` is never used
[INFO] [stdout]   --> src/raytracer_v4_shadows.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn calculate_specular_intensity(normal: &Vec3, light_dir: &Vec3, view: &Vec3, specular: Option<f64>, intensity: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]   --> src/raytracer_v4_shadows.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn trace(origin: &Vec3, direction: &Vec3, t_min: f64, t_max: f64, spheres: &[Sphere], lights: &[Light]) -> Color {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closest_intersection` is never used
[INFO] [stdout]   --> src/raytracer_v4_shadows.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn closest_intersection<'a>(origin: &Vec3, direction: &Vec3, t_min: f64, t_max: f64, spheres: &'a [Sphere]) -> (Option<&'a Sphere>, f64) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/raytracer_v4_shadows.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_lighting` is never used
[INFO] [stdout]   --> src/raytracer_v5_reflections.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn compute_lighting(point: &Vec3, normal: &Vec3, view: &Vec3, specular: Option<f64>, lights: &[Light], spheres: &[Sphere]) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_diffuse_intensity` is never used
[INFO] [stdout]   --> src/raytracer_v5_reflections.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn calculate_diffuse_intensity(normal: &Vec3, direction: &Vec3, intensity: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_specular_intensity` is never used
[INFO] [stdout]   --> src/raytracer_v5_reflections.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn calculate_specular_intensity(normal: &Vec3, light_dir: &Vec3, view: &Vec3, specular: Option<f64>, intensity: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reflect_ray` is never used
[INFO] [stdout]   --> src/raytracer_v5_reflections.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn reflect_ray(normal: &Vec3, ray: &Vec3) -> Vec3 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]   --> src/raytracer_v5_reflections.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn trace(origin: &Vec3, direction: &Vec3, t_min: f64, t_max: f64, spheres: &[Sphere], lights: &[Light], recursion_depth: u32) -> Color {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closest_intersection` is never used
[INFO] [stdout]    --> src/raytracer_v5_reflections.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn closest_intersection<'a>(origin: &Vec3, direction: &Vec3, t_min: f64, t_max: f64, spheres: &'a [Sphere]) -> (Option<&'a Sphere>, f64) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/raytracer_v5_reflections.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add`, `scale`, `normalize`, and `length` are never used
[INFO] [stdout]   --> src/common.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Vec3 {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn add(&self, other: &Vec3) -> Vec3 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn scale(&self, t: f64) -> Vec3 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn normalize(&self) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn length(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `scale` and `add` are never used
[INFO] [stdout]   --> src/common.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Color {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn scale(&self, t: f64) -> Color {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn add(&self, other: &Color) -> Color {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `specular` and `reflective` are never read
[INFO] [stdout]   --> src/common.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct Material {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 69 |     pub color: Color,
[INFO] [stdout] 70 |     pub specular: Option<f64>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 71 |     pub reflective: Option<f64>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `direction` is never read
[INFO] [stdout]    --> src/common.rs:123:19
[INFO] [stdout]     |
[INFO] [stdout] 123 |     Directional { direction: Vec3 },
[INFO] [stdout]     |     -----------   ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `position` is never read
[INFO] [stdout]    --> src/common.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |     Point { position: Vec3 },
[INFO] [stdout]     |     -----   ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `light_type`, `intensity`, and `color` are never read
[INFO] [stdout]    --> src/common.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct Light {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 128 |     pub light_type: LightType,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 129 |     pub intensity: f64,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 130 |     pub color: Color,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lights` is never read
[INFO] [stdout]    --> src/common.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub struct Scene {
[INFO] [stdout]     |                ----- field in this struct
[INFO] [stdout] 218 |         pub spheres: Vec<Sphere>,
[INFO] [stdout] 219 |         pub lights: Vec<Light>,
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_lighting` is never used
[INFO] [stdout]  --> src/raytracer_v2_lights.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn compute_lighting(point: &Vec3, normal: &Vec3, lights: &[Light]) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]   --> src/raytracer_v2_lights.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn trace(origin: &Vec3, direction: &Vec3, t_min: f64, t_max: f64, spheres: &[Sphere], lights: &[Light]) -> Color {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/raytracer_v2_lights.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_lighting` is never used
[INFO] [stdout]  --> src/raytracer_v3_specular.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn compute_lighting(point: &Vec3, normal: &Vec3, view: &Vec3, specular: Option<f64>, lights: &[Light]) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_diffuse_intensity` is never used
[INFO] [stdout]   --> src/raytracer_v3_specular.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn calculate_diffuse_intensity(normal: &Vec3, direction: &Vec3, intensity: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_specular_intensity` is never used
[INFO] [stdout]   --> src/raytracer_v3_specular.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn calculate_specular_intensity(normal: &Vec3, light_dir: &Vec3, view: &Vec3, specular: Option<f64>, intensity: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]   --> src/raytracer_v3_specular.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn trace(origin: &Vec3, direction: &Vec3, t_min: f64, t_max: f64, spheres: &[Sphere], lights: &[Light]) -> Color {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/raytracer_v3_specular.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_lighting` is never used
[INFO] [stdout]   --> src/raytracer_v4_shadows.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn compute_lighting(point: &Vec3, normal: &Vec3, view: &Vec3, specular: Option<f64>, lights: &[Light], spheres: &[Sphere]) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_diffuse_intensity` is never used
[INFO] [stdout]   --> src/raytracer_v4_shadows.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn calculate_diffuse_intensity(normal: &Vec3, direction: &Vec3, intensity: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_specular_intensity` is never used
[INFO] [stdout]   --> src/raytracer_v4_shadows.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn calculate_specular_intensity(normal: &Vec3, light_dir: &Vec3, view: &Vec3, specular: Option<f64>, intensity: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]   --> src/raytracer_v4_shadows.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn trace(origin: &Vec3, direction: &Vec3, t_min: f64, t_max: f64, spheres: &[Sphere], lights: &[Light]) -> Color {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closest_intersection` is never used
[INFO] [stdout]   --> src/raytracer_v4_shadows.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn closest_intersection<'a>(origin: &Vec3, direction: &Vec3, t_min: f64, t_max: f64, spheres: &'a [Sphere]) -> (Option<&'a Sphere>, f64) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/raytracer_v4_shadows.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_lighting` is never used
[INFO] [stdout]   --> src/raytracer_v5_reflections.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn compute_lighting(point: &Vec3, normal: &Vec3, view: &Vec3, specular: Option<f64>, lights: &[Light], spheres: &[Sphere]) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_diffuse_intensity` is never used
[INFO] [stdout]   --> src/raytracer_v5_reflections.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn calculate_diffuse_intensity(normal: &Vec3, direction: &Vec3, intensity: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_specular_intensity` is never used
[INFO] [stdout]   --> src/raytracer_v5_reflections.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn calculate_specular_intensity(normal: &Vec3, light_dir: &Vec3, view: &Vec3, specular: Option<f64>, intensity: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reflect_ray` is never used
[INFO] [stdout]   --> src/raytracer_v5_reflections.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn reflect_ray(normal: &Vec3, ray: &Vec3) -> Vec3 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace` is never used
[INFO] [stdout]   --> src/raytracer_v5_reflections.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn trace(origin: &Vec3, direction: &Vec3, t_min: f64, t_max: f64, spheres: &[Sphere], lights: &[Light], recursion_depth: u32) -> Color {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `closest_intersection` is never used
[INFO] [stdout]    --> src/raytracer_v5_reflections.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn closest_intersection<'a>(origin: &Vec3, direction: &Vec3, t_min: f64, t_max: f64, spheres: &'a [Sphere]) -> (Option<&'a Sphere>, f64) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/raytracer_v5_reflections.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.07s
[INFO] running `Command { std: "docker" "inspect" "d93bcc8b4c995f13545f2ed810910cd2619934c7c0030a26e4a33c17ed343536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93bcc8b4c995f13545f2ed810910cd2619934c7c0030a26e4a33c17ed343536", kill_on_drop: false }`
[INFO] [stdout] d93bcc8b4c995f13545f2ed810910cd2619934c7c0030a26e4a33c17ed343536