[INFO] cloning repository https://github.com/dixe/OneWeekeendRayTracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dixe/OneWeekeendRayTracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdixe%2FOneWeekeendRayTracer", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3ce9474fc19cd21009e31fa17440133c17586d6
[INFO] checking dixe/OneWeekeendRayTracer against master#568f6a8641e391ffcdcdb03e79d0901731d8d399 for pr-117164-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdixe%2FOneWeekeendRayTracer" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dixe/OneWeekeendRayTracer on toolchain 568f6a8641e391ffcdcdb03e79d0901731d8d399
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[INFO] started tweaking git repo https://github.com/dixe/OneWeekeendRayTracer
[INFO] finished tweaking git repo https://github.com/dixe/OneWeekeendRayTracer
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[INFO] crate git repo https://github.com/dixe/OneWeekeendRayTracer 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" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_in_unit_sphere`
[INFO] [stdout]  --> src/hittable/hit_record.rs:2:49
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::random_utils::{random_in_hemisphere, random_in_unit_sphere, random_unit_vector};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::material::*`
[INFO] [stdout]  --> src/hittable/hit_record.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::material::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/hittable/hit_record.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |         if (scatter_direction.near_zero()){
[INFO] [stdout]    |            ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -         if (scatter_direction.near_zero()){
[INFO] [stdout] 60 +         if scatter_direction.near_zero() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `random_in_hemisphere`, `random_in_unit_sphere`, `random_unit_vector`
[INFO] [stdout]  --> src/hittable/sphere.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::random_utils::{random_in_hemisphere, random_in_unit_sphere, random_unit_vector};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::material::*`
[INFO] [stdout]  --> src/hittable/sphere.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::material::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `random_in_hemisphere`, `random_in_unit_sphere`, `random_unit_vector`
[INFO] [stdout]  --> src/hittable/square.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::random_utils::{random_in_hemisphere, random_in_unit_sphere, random_unit_vector};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::material::*`
[INFO] [stdout]  --> src/hittable/square.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::material::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/random_utils.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     while true {
[INFO] [stdout]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_in_unit_sphere`
[INFO] [stdout]  --> src/hittable/hit_record.rs:2:49
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::random_utils::{random_in_hemisphere, random_in_unit_sphere, random_unit_vector};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::material::*`
[INFO] [stdout]  --> src/hittable/hit_record.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::material::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/hittable/hit_record.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |         if (scatter_direction.near_zero()){
[INFO] [stdout]    |            ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -         if (scatter_direction.near_zero()){
[INFO] [stdout] 60 +         if scatter_direction.near_zero() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `random_in_hemisphere`, `random_in_unit_sphere`, `random_unit_vector`
[INFO] [stdout]  --> src/hittable/sphere.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::random_utils::{random_in_hemisphere, random_in_unit_sphere, random_unit_vector};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::material::*`
[INFO] [stdout]  --> src/hittable/sphere.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::material::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `random_in_hemisphere`, `random_in_unit_sphere`, `random_unit_vector`
[INFO] [stdout]  --> src/hittable/square.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::random_utils::{random_in_hemisphere, random_in_unit_sphere, random_unit_vector};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::material::*`
[INFO] [stdout]  --> src/hittable/square.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::material::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/random_utils.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     while true {
[INFO] [stdout]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t_min`
[INFO] [stdout]   --> src/hittable/square.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_min`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t_max`
[INFO] [stdout]   --> src/hittable/square.rs:75:42
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord> {
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_in`
[INFO] [stdout]   --> src/material/lambertian.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn scatter(&self, ray_in: &Ray, hit_record: &HitRecord) -> Option<Scatter> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t_min`
[INFO] [stdout]   --> src/hittable/square.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_min`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t_max`
[INFO] [stdout]   --> src/hittable/square.rs:75:42
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord> {
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_in`
[INFO] [stdout]   --> src/material/lambertian.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn scatter(&self, ray_in: &Ray, hit_record: &HitRecord) -> Option<Scatter> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/main.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |     for id in 0..params.extra_threads {
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/main.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |     for id in 0..params.extra_threads {
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/main.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 370 |     for id in 0..params.extra_threads {
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]    --> src/main.rs:426:9
[INFO] [stdout]     |
[INFO] [stdout] 426 |     for sample in 0..params.samples_per_pixel {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `setup_world_1` is never used
[INFO] [stdout]   --> src/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn setup_world_1(width: usize, height: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `RequestWork` and `WorkDone` are never constructed
[INFO] [stdout]    --> src/main.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 182 | enum SlaveMessage {
[INFO] [stdout]     |      ------------ variants in this enum
[INFO] [stdout] 183 |     RequestWork,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 184 |     WorkDone(ThreadResult),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SlaveMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DoWork` and `Done` are never constructed
[INFO] [stdout]    --> src/main.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 188 | enum MasterMessage {
[INFO] [stdout]     |      ------------- variants in this enum
[INFO] [stdout] 189 |     DoWork(Work),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 190 |     Done
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MasterMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Worker` is never constructed
[INFO] [stdout]    --> src/main.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 | struct Worker {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_ray_image_master_slave` is never used
[INFO] [stdout]    --> src/main.rs:292:4
[INFO] [stdout]     |
[INFO] [stdout] 292 | fn render_ray_image_master_slave(ray_image: &mut RayImage, camera: &'static camera::Camera, world: &'static HittableList, params: &'stati...
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spawn_threads` is never used
[INFO] [stdout]    --> src/main.rs:360:4
[INFO] [stdout]     |
[INFO] [stdout] 360 | fn spawn_threads(camera: &'static camera::Camera, world: &'static HittableList, params: &'static Parameters) -> Vec::<Worker> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `viewport_width`, `viewport_height`, and `focal_length` are never read
[INFO] [stdout]  --> src/camera.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Camera {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 6 |     viewport_width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     viewport_height: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     focal_length: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Camera` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `normal` and `random_diffuse_ray` are never used
[INFO] [stdout]   --> src/hittable/hit_record.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl HitRecord {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn normal(&self) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn random_diffuse_ray(&self) -> Ray {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random` is never used
[INFO] [stdout]  --> src/random_utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn random(min: f64, max: f64) -> Vec3 {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> src/random_utils.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn random_in_hemisphere(normal: &Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/main.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 370 |     for id in 0..params.extra_threads {
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]    --> src/main.rs:426:9
[INFO] [stdout]     |
[INFO] [stdout] 426 |     for sample in 0..params.samples_per_pixel {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `setup_world_1` is never used
[INFO] [stdout]   --> src/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn setup_world_1(width: usize, height: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `RequestWork` and `WorkDone` are never constructed
[INFO] [stdout]    --> src/main.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 182 | enum SlaveMessage {
[INFO] [stdout]     |      ------------ variants in this enum
[INFO] [stdout] 183 |     RequestWork,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 184 |     WorkDone(ThreadResult),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SlaveMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DoWork` and `Done` are never constructed
[INFO] [stdout]    --> src/main.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 188 | enum MasterMessage {
[INFO] [stdout]     |      ------------- variants in this enum
[INFO] [stdout] 189 |     DoWork(Work),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 190 |     Done
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MasterMessage` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Worker` is never constructed
[INFO] [stdout]    --> src/main.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 | struct Worker {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_ray_image_master_slave` is never used
[INFO] [stdout]    --> src/main.rs:292:4
[INFO] [stdout]     |
[INFO] [stdout] 292 | fn render_ray_image_master_slave(ray_image: &mut RayImage, camera: &'static camera::Camera, world: &'static HittableList, params: &'stati...
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spawn_threads` is never used
[INFO] [stdout]    --> src/main.rs:360:4
[INFO] [stdout]     |
[INFO] [stdout] 360 | fn spawn_threads(camera: &'static camera::Camera, world: &'static HittableList, params: &'static Parameters) -> Vec::<Worker> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `viewport_width`, `viewport_height`, and `focal_length` are never read
[INFO] [stdout]  --> src/camera.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Camera {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 6 |     viewport_width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     viewport_height: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     focal_length: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Camera` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `normal` and `random_diffuse_ray` are never used
[INFO] [stdout]   --> src/hittable/hit_record.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl HitRecord {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn normal(&self) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn random_diffuse_ray(&self) -> Ray {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random` is never used
[INFO] [stdout]  --> src/random_utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn random(min: f64, max: f64) -> Vec3 {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> src/random_utils.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn random_in_hemisphere(normal: &Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:332:33
[INFO] [stdout]     |
[INFO] [stdout] 332 | ...                   worker.mosi.send(MasterMessage::DoWork(work_tasks[work_index]));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 332 |                                 let _ = worker.mosi.send(MasterMessage::DoWork(work_tasks[work_index]));
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:337:33
[INFO] [stdout]     |
[INFO] [stdout] 337 | ...                   worker.mosi.send(MasterMessage::Done);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 337 |                                 let _ = worker.mosi.send(MasterMessage::Done);
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:382:17
[INFO] [stdout]     |
[INFO] [stdout] 382 |                 miso_sender.send(SlaveMessage::RequestWork);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 382 |                 let _ = miso_sender.send(SlaveMessage::RequestWork);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:405:33
[INFO] [stdout]     |
[INFO] [stdout] 405 | ...                   miso_sender.send(SlaveMessage::WorkDone(res));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 405 |                                 let _ = miso_sender.send(SlaveMessage::WorkDone(res));
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ray_image.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         img.save(path);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = img.save(path);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:332:33
[INFO] [stdout]     |
[INFO] [stdout] 332 | ...                   worker.mosi.send(MasterMessage::DoWork(work_tasks[work_index]));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 332 |                                 let _ = worker.mosi.send(MasterMessage::DoWork(work_tasks[work_index]));
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:337:33
[INFO] [stdout]     |
[INFO] [stdout] 337 | ...                   worker.mosi.send(MasterMessage::Done);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 337 |                                 let _ = worker.mosi.send(MasterMessage::Done);
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:382:17
[INFO] [stdout]     |
[INFO] [stdout] 382 |                 miso_sender.send(SlaveMessage::RequestWork);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 382 |                 let _ = miso_sender.send(SlaveMessage::RequestWork);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:405:33
[INFO] [stdout]     |
[INFO] [stdout] 405 | ...                   miso_sender.send(SlaveMessage::WorkDone(res));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 405 |                                 let _ = miso_sender.send(SlaveMessage::WorkDone(res));
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ray_image.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         img.save(path);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = img.save(path);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.83s
[INFO] running `Command { std: "docker" "inspect" "9b30c056386e04092348de84b341b810754d434c8ce19145a900742f2ab54ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b30c056386e04092348de84b341b810754d434c8ce19145a900742f2ab54ba6", kill_on_drop: false }`
[INFO] [stdout] 9b30c056386e04092348de84b341b810754d434c8ce19145a900742f2ab54ba6
