[INFO] cloning repository https://github.com/WilliamBenEmbarek/Raytracing-In-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WilliamBenEmbarek/Raytracing-In-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamBenEmbarek%2FRaytracing-In-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamBenEmbarek%2FRaytracing-In-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f97c804ca01904771d27505467b92abc0d8a85b
[INFO] checking WilliamBenEmbarek/Raytracing-In-Rust against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamBenEmbarek%2FRaytracing-In-Rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/WilliamBenEmbarek/Raytracing-In-Rust
[INFO] finished tweaking git repo https://github.com/WilliamBenEmbarek/Raytracing-In-Rust
[INFO] tweaked toml for git repo https://github.com/WilliamBenEmbarek/Raytracing-In-Rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/WilliamBenEmbarek/Raytracing-In-Rust on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/WilliamBenEmbarek/Raytracing-In-Rust 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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d811434707b365b37d8b33aa56cbc35a66d06780c9fdbc1066cf95610f39b136
[INFO] running `Command { std: "docker" "start" "-a" "d811434707b365b37d8b33aa56cbc35a66d06780c9fdbc1066cf95610f39b136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d811434707b365b37d8b33aa56cbc35a66d06780c9fdbc1066cf95610f39b136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d811434707b365b37d8b33aa56cbc35a66d06780c9fdbc1066cf95610f39b136", kill_on_drop: false }`
[INFO] [stdout] d811434707b365b37d8b33aa56cbc35a66d06780c9fdbc1066cf95610f39b136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f1e918e7d0d4c252f9206ede79fecb89fd19947fd5eaf77119da763711d3dab
[INFO] running `Command { std: "docker" "start" "-a" "9f1e918e7d0d4c252f9206ede79fecb89fd19947fd5eaf77119da763711d3dab", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking raytracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rayon::vec`
[INFO] [stdout]  --> src/vec3.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rayon::vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vec3`
[INFO] [stdout]  --> src/vec3.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vec3;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/vec3.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 |         if (lensq <= 1.0 && lensq > 1e-160) {
[INFO] [stdout]     |            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 145 -         if (lensq <= 1.0 && lensq > 1e-160) {
[INFO] [stdout] 145 +         if lensq <= 1.0 && lensq > 1e-160  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/vec3.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 153 |     if (dot(on_unit_sphere, normal) > 0.0) {
[INFO] [stdout]     |        ^                                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 153 -     if (dot(on_unit_sphere, normal) > 0.0) {
[INFO] [stdout] 153 +     if dot(on_unit_sphere, normal) > 0.0  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/color.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{interval::{self, Interval}, vec3::Vec3};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write` and `self`
[INFO] [stdout]  --> src/color.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/hittable_list.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{hittable::{HitRecord, Hittable}, interval::{self, Interval}};
[INFO] [stdout]   |                                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/material.rs:77:34
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let direction: Vec3 = if (cannot_refract || reflectance(cos_theta, ri) > rng.random()) {
[INFO] [stdout]    |                                  ^                                                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -         let direction: Vec3 = if (cannot_refract || reflectance(cos_theta, ri) > rng.random()) {
[INFO] [stdout] 77 +         let direction: Vec3 = if cannot_refract || reflectance(cos_theta, ri) > rng.random()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::vec`
[INFO] [stdout]  --> src/vec3.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rayon::vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vec3`
[INFO] [stdout]  --> src/vec3.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vec3;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/vec3.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 |         if (lensq <= 1.0 && lensq > 1e-160) {
[INFO] [stdout]     |            ^                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 145 -         if (lensq <= 1.0 && lensq > 1e-160) {
[INFO] [stdout] 145 +         if lensq <= 1.0 && lensq > 1e-160  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/vec3.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 153 |     if (dot(on_unit_sphere, normal) > 0.0) {
[INFO] [stdout]     |        ^                                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 153 -     if (dot(on_unit_sphere, normal) > 0.0) {
[INFO] [stdout] 153 +     if dot(on_unit_sphere, normal) > 0.0  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/color.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{interval::{self, Interval}, vec3::Vec3};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write` and `self`
[INFO] [stdout]  --> src/color.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/hittable_list.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{hittable::{HitRecord, Hittable}, interval::{self, Interval}};
[INFO] [stdout]   |                                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/material.rs:77:34
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let direction: Vec3 = if (cannot_refract || reflectance(cos_theta, ri) > rng.random()) {
[INFO] [stdout]    |                                  ^                                                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -         let direction: Vec3 = if (cannot_refract || reflectance(cos_theta, ri) > rng.random()) {
[INFO] [stdout] 77 +         let direction: Vec3 = if cannot_refract || reflectance(cos_theta, ri) > rng.random()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixel00_loc`
[INFO] [stdout]    --> src/camera.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let pixel00_loc = self.pixel00_loc.unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel00_loc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixel_delta_u`
[INFO] [stdout]    --> src/camera.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let pixel_delta_u = self.pixel_delta_u.unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel_delta_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixel_delta_v`
[INFO] [stdout]    --> src/camera.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let pixel_delta_v = self.pixel_delta_v.unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel_delta_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `center`
[INFO] [stdout]    --> src/camera.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let center = self.center.unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_center`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image_width`
[INFO] [stdout]    --> src/camera.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let image_width = self.image_width;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_image_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `samples_per_pixel`
[INFO] [stdout]    --> src/camera.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let samples_per_pixel = self.samples_per_pixel;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_samples_per_pixel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixel_samples_scale`
[INFO] [stdout]    --> src/camera.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let pixel_samples_scale = self.pixel_samples_scale.unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel_samples_scale`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, rng: &mut dyn RngCore) -> Option<Scatter> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_on_hemisphere` is never used
[INFO] [stdout]    --> src/vec3.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub fn random_on_hemisphere(normal: Vec3, rng: &mut dyn rand::RngCore) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_object` and `clear` are never used
[INFO] [stdout]   --> src/hittable_list.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl HittableList {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn from_object(object: Box<dyn Hittable>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `EMPTY`, `UNIVERSE`, `default`, `size`, and `contains` are never used
[INFO] [stdout]   --> src/interval.rs:8:15
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Interval {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout]  8 |     pub const EMPTY: Interval = Interval {
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub const UNIVERSE: Interval = Interval {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn default() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn size(&self) -> f64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn contains(&self, x: f64) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_aspect_ratio` and `set_image_width` are never used
[INFO] [stdout]    --> src/camera.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout]  40 | impl Camera {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn set_aspect_ratio(&mut self, aspect_ratio: f64) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn set_image_width(&mut self, image_width: i32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixel00_loc`
[INFO] [stdout]    --> src/camera.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let pixel00_loc = self.pixel00_loc.unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel00_loc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixel_delta_u`
[INFO] [stdout]    --> src/camera.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let pixel_delta_u = self.pixel_delta_u.unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel_delta_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixel_delta_v`
[INFO] [stdout]    --> src/camera.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let pixel_delta_v = self.pixel_delta_v.unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel_delta_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `center`
[INFO] [stdout]    --> src/camera.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let center = self.center.unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_center`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image_width`
[INFO] [stdout]    --> src/camera.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let image_width = self.image_width;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_image_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `samples_per_pixel`
[INFO] [stdout]    --> src/camera.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let samples_per_pixel = self.samples_per_pixel;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_samples_per_pixel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixel_samples_scale`
[INFO] [stdout]    --> src/camera.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let pixel_samples_scale = self.pixel_samples_scale.unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel_samples_scale`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, rng: &mut dyn RngCore) -> Option<Scatter> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_on_hemisphere` is never used
[INFO] [stdout]    --> src/vec3.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub fn random_on_hemisphere(normal: Vec3, rng: &mut dyn rand::RngCore) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_object` and `clear` are never used
[INFO] [stdout]   --> src/hittable_list.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl HittableList {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn from_object(object: Box<dyn Hittable>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `EMPTY`, `UNIVERSE`, `default`, `size`, and `contains` are never used
[INFO] [stdout]   --> src/interval.rs:8:15
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Interval {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout]  8 |     pub const EMPTY: Interval = Interval {
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub const UNIVERSE: Interval = Interval {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn default() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn size(&self) -> f64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn contains(&self, x: f64) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_aspect_ratio` and `set_image_width` are never used
[INFO] [stdout]    --> src/camera.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout]  40 | impl Camera {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn set_aspect_ratio(&mut self, aspect_ratio: f64) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn set_image_width(&mut self, image_width: i32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "9f1e918e7d0d4c252f9206ede79fecb89fd19947fd5eaf77119da763711d3dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1e918e7d0d4c252f9206ede79fecb89fd19947fd5eaf77119da763711d3dab", kill_on_drop: false }`
[INFO] [stdout] 9f1e918e7d0d4c252f9206ede79fecb89fd19947fd5eaf77119da763711d3dab