[INFO] cloning repository https://github.com/Tuxinet/rust-path-tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tuxinet/rust-path-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuxinet%2Frust-path-tracer", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9655e509a2dbfd0973ae88a3160413b83fd8969
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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuxinet%2Frust-path-tracer" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/Tuxinet/rust-path-tracer on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
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[INFO] started tweaking git repo https://github.com/Tuxinet/rust-path-tracer
[INFO] finished tweaking git repo https://github.com/Tuxinet/rust-path-tracer
[INFO] tweaked toml for git repo https://github.com/Tuxinet/rust-path-tracer written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Tuxinet/rust-path-tracer 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `distance_squared` and `distance`
[INFO] [stdout]  --> src/primitives/sphere.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, distance, distance_squared};
[INFO] [stdout]   |                   ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/material.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/ray.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/vecutil.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/camera.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::SmallRng`
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::prelude::SmallRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/aabb.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hit`
[INFO] [stdout]  --> src/aabb.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ray::{Ray, Hit};
[INFO] [stdout]   |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::primitives::Intersect`
[INFO] [stdout]  --> src/aabb.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::primitives::Intersect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::material::*`
[INFO] [stdout]  --> src/aabb.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::material::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/aabb.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `aabb` should have an upper camel case name
[INFO] [stdout]  --> src/aabb.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct aabb {
[INFO] [stdout]   |            ^^^^ help: convert the identifier to upper camel case: `Aabb`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/material.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `distance_squared` and `distance`
[INFO] [stdout]  --> src/primitives/sphere.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, distance, distance_squared};
[INFO] [stdout]   |                   ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/material.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/ray.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/vecutil.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/camera.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::SmallRng`
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::prelude::SmallRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/aabb.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hit`
[INFO] [stdout]  --> src/aabb.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ray::{Ray, Hit};
[INFO] [stdout]   |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::primitives::Intersect`
[INFO] [stdout]  --> src/aabb.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::primitives::Intersect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::material::*`
[INFO] [stdout]  --> src/aabb.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::material::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/aabb.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `aabb` should have an upper camel case name
[INFO] [stdout]  --> src/aabb.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct aabb {
[INFO] [stdout]   |            ^^^^ help: convert the identifier to upper camel case: `Aabb`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/material.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/material.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand`
[INFO] [stdout]  --> src/vecutil.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::*;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/material.rs:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray`
[INFO] [stdout]    --> src/material.rs:152:23
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut Lehmer) -> Option<ScatterRecord> {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hit`
[INFO] [stdout]    --> src/material.rs:152:34
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut Lehmer) -> Option<ScatterRecord> {
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_hit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/material.rs:156:23
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/material.rs:156:31
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/material.rs:156:39
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/aabb.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for a in 0..3 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray`
[INFO] [stdout]   --> src/aabb.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmin`
[INFO] [stdout]   --> src/aabb.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_tmin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmax`
[INFO] [stdout]   --> src/aabb.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_tmax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `random_unit_vector` is never used
[INFO] [stdout]   --> src/vecutil.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl VecUtil {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn random_unit_vector(rng: &mut Lehmer) -> Vector3<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/camera.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     w: Vector3<f64>,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Camera` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `min` and `max` are never read
[INFO] [stdout]   --> src/aabb.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct aabb {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 10 |     min: Vector3<f64>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     max: Vector3<f64>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/material.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand`
[INFO] [stdout]  --> src/vecutil.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::*;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/material.rs:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray`
[INFO] [stdout]    --> src/material.rs:152:23
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut Lehmer) -> Option<ScatterRecord> {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hit`
[INFO] [stdout]    --> src/material.rs:152:34
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut Lehmer) -> Option<ScatterRecord> {
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_hit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/material.rs:156:23
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/material.rs:156:31
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/material.rs:156:39
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/aabb.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for a in 0..3 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray`
[INFO] [stdout]   --> src/aabb.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmin`
[INFO] [stdout]   --> src/aabb.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_tmin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmax`
[INFO] [stdout]   --> src/aabb.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_tmax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `random_unit_vector` is never used
[INFO] [stdout]   --> src/vecutil.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl VecUtil {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn random_unit_vector(rng: &mut Lehmer) -> Vector3<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/camera.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     w: Vector3<f64>,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Camera` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `min` and `max` are never read
[INFO] [stdout]   --> src/aabb.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct aabb {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 10 |     min: Vector3<f64>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     max: Vector3<f64>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/ray.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `distance_squared` and `distance`
[INFO] [stdout]  --> src/primitives/sphere.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, distance, distance_squared};
[INFO] [stdout]   |                   ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/camera.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::SmallRng`
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::prelude::SmallRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/vecutil.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/material.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/aabb.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hit`
[INFO] [stdout]  --> src/aabb.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ray::{Ray, Hit};
[INFO] [stdout]   |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::primitives::Intersect`
[INFO] [stdout]  --> src/aabb.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::primitives::Intersect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::material::*`
[INFO] [stdout]  --> src/aabb.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::material::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/aabb.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `aabb` should have an upper camel case name
[INFO] [stdout]  --> src/aabb.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct aabb {
[INFO] [stdout]   |            ^^^^ help: convert the identifier to upper camel case: `Aabb`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RowVector3`
[INFO] [stdout]   --> src/main.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 | use na::{Vector3,RowVector3};
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/material.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/ray.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `distance_squared` and `distance`
[INFO] [stdout]  --> src/primitives/sphere.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, distance, distance_squared};
[INFO] [stdout]   |                   ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/camera.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::SmallRng`
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::prelude::SmallRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/vecutil.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/material.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rotation3`
[INFO] [stdout]  --> src/aabb.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use na::{Vector3, Rotation3};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hit`
[INFO] [stdout]  --> src/aabb.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ray::{Ray, Hit};
[INFO] [stdout]   |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::primitives::Intersect`
[INFO] [stdout]  --> src/aabb.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::primitives::Intersect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::material::*`
[INFO] [stdout]  --> src/aabb.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::material::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/aabb.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `aabb` should have an upper camel case name
[INFO] [stdout]  --> src/aabb.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct aabb {
[INFO] [stdout]   |            ^^^^ help: convert the identifier to upper camel case: `Aabb`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RowVector3`
[INFO] [stdout]   --> src/main.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 | use na::{Vector3,RowVector3};
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/material.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/my_bench.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pathtrace::ray::Hit`
[INFO] [stdout]  --> benches/my_bench.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pathtrace::ray::Hit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RowVector3`
[INFO] [stdout]   --> benches/my_bench.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use na::{Vector3,RowVector3};
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/material.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand`
[INFO] [stdout]  --> src/vecutil.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::*;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/material.rs:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray`
[INFO] [stdout]    --> src/material.rs:152:23
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut Lehmer) -> Option<ScatterRecord> {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hit`
[INFO] [stdout]    --> src/material.rs:152:34
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut Lehmer) -> Option<ScatterRecord> {
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_hit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/material.rs:156:23
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/material.rs:156:31
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/material.rs:156:39
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/aabb.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for a in 0..3 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray`
[INFO] [stdout]   --> src/aabb.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmin`
[INFO] [stdout]   --> src/aabb.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_tmin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmax`
[INFO] [stdout]   --> src/aabb.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_tmax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `center` is never read
[INFO] [stdout]   --> src/main.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let mut center = Vector3::new(a as f64 + 0.9 * rng.gen_range(0.0, 1.0), 0.2, b as f64 + 0.9 * rng.gen_range(0.0, 1.0));
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:124:21
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 let mut start = j;
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/material.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand`
[INFO] [stdout]  --> src/vecutil.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::*;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/camera.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     w: Vector3<f64>,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Camera` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `random_unit_vector` is never used
[INFO] [stdout]   --> src/vecutil.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl VecUtil {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn random_unit_vector(rng: &mut Lehmer) -> Vector3<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `aabb` is never constructed
[INFO] [stdout]  --> src/aabb.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct aabb {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `hit` is never used
[INFO] [stdout]   --> src/aabb.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl aabb {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `random_float` is never used
[INFO] [stdout]   --> src/lehmer.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Lehmer {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn random_float(&mut self, min: f64, max: f64) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/material.rs:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray`
[INFO] [stdout]    --> src/material.rs:152:23
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut Lehmer) -> Option<ScatterRecord> {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hit`
[INFO] [stdout]    --> src/material.rs:152:34
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut Lehmer) -> Option<ScatterRecord> {
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_hit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/material.rs:156:23
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/material.rs:156:31
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/material.rs:156:39
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/aabb.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for a in 0..3 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray`
[INFO] [stdout]   --> src/aabb.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmin`
[INFO] [stdout]   --> src/aabb.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_tmin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmax`
[INFO] [stdout]   --> src/aabb.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_tmax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `center` is never read
[INFO] [stdout]   --> src/main.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let mut center = Vector3::new(a as f64 + 0.9 * rng.gen_range(0.0, 1.0), 0.2, b as f64 + 0.9 * rng.gen_range(0.0, 1.0));
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:124:21
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 let mut start = j;
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/camera.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     w: Vector3<f64>,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Camera` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `random_unit_vector` is never used
[INFO] [stdout]   --> src/vecutil.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl VecUtil {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn random_unit_vector(rng: &mut Lehmer) -> Vector3<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `aabb` is never constructed
[INFO] [stdout]  --> src/aabb.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct aabb {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `hit` is never used
[INFO] [stdout]   --> src/aabb.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl aabb {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `random_float` is never used
[INFO] [stdout]   --> src/lehmer.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Lehmer {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn random_float(&mut self, min: f64, max: f64) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 33.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "8456f981ae785552b9fd7502acb894d293e7f556923c903dc34fa2829251f4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8456f981ae785552b9fd7502acb894d293e7f556923c903dc34fa2829251f4fc", kill_on_drop: false }`
[INFO] [stdout] 8456f981ae785552b9fd7502acb894d293e7f556923c903dc34fa2829251f4fc