[INFO] cloning repository https://github.com/Tuxinet/rust-path-tracer
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuxinet%2Frust-path-tracer'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f98c60e87d563913ff015adc309cb5a3fb763df
[INFO] checking Tuxinet/rust-path-tracer against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuxinet%2Frust-path-tracer" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tuxinet/rust-path-tracer on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-10/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 `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f1fcb6f5551faa559c7124926937df7108b7b13a9c41b5b2b8bfa5679a1c9d75
[INFO] running `"docker" "start" "-a" "f1fcb6f5551faa559c7124926937df7108b7b13a9c41b5b2b8bfa5679a1c9d75"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling glam v0.8.7
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking oorandom v11.1.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking png v0.16.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking criterion-plot v0.4.2
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking nalgebra v0.20.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking pathtrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `distance_squared`, `distance`
[INFO] [stderr]  --> src/primitives/sphere.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, distance, distance_squared};
[INFO] [stderr]   |                   ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/material.rs:3:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/ray.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/vecutil.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/camera.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/aabb.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hit`
[INFO] [stderr]  --> src/aabb.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::ray::{Ray, Hit};
[INFO] [stderr]   |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::primitives::Intersect`
[INFO] [stderr]  --> src/aabb.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::primitives::Intersect;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::material::*`
[INFO] [stderr]  --> src/aabb.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::material::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/aabb.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `aabb` should have an upper camel case name
[INFO] [stderr]  --> src/aabb.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct aabb {
[INFO] [stderr]   |            ^^^^ help: convert the identifier to upper camel case: `Aabb`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/material.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]   --> src/material.rs:27:23
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/material.rs:27:31
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stderr]    |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/material.rs:27:39
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stderr]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]    --> src/material.rs:151:23
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut rand::prelude::SmallRng) -> Option<ScatterRecord> {
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hit`
[INFO] [stderr]    --> src/material.rs:151:34
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut rand::prelude::SmallRng) -> Option<ScatterRecord> {
[INFO] [stderr]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_hit`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/material.rs:155:23
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/material.rs:155:31
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stderr]     |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/material.rs:155:39
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stderr]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/aabb.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         for a in 0..3 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/aabb.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stderr]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmin`
[INFO] [stderr]   --> src/aabb.rs:15:27
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stderr]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_tmin`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmax`
[INFO] [stderr]   --> src/aabb.rs:15:38
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stderr]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_tmax`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `random_unit_vector`
[INFO] [stderr]   --> src/vecutil.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn random_unit_vector(rng: &mut rand::prelude::SmallRng) -> Vector3<f64> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `min`
[INFO] [stderr]   --> src/aabb.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     min: Vector3<f64>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `max`
[INFO] [stderr]   --> src/aabb.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     max: Vector3<f64>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/ray.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `distance_squared`, `distance`
[INFO] [stderr]  --> src/primitives/sphere.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, distance, distance_squared};
[INFO] [stderr]   |                   ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/camera.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/vecutil.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/material.rs:3:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/aabb.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hit`
[INFO] [stderr]  --> src/aabb.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::ray::{Ray, Hit};
[INFO] [stderr]   |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::primitives::Intersect`
[INFO] [stderr]  --> src/aabb.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::primitives::Intersect;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::material::*`
[INFO] [stderr]  --> src/aabb.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::material::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/aabb.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `aabb` should have an upper camel case name
[INFO] [stderr]  --> src/aabb.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct aabb {
[INFO] [stderr]   |            ^^^^ help: convert the identifier to upper camel case: `Aabb`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RowVector3`
[INFO] [stderr]   --> src/main.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 | use na::{Vector3,RowVector3};
[INFO] [stderr]    |                  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/material.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `center` is never read
[INFO] [stderr]   --> src/main.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |             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] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]   --> src/material.rs:27:23
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/material.rs:27:31
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stderr]    |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/material.rs:27:39
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stderr]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]    --> src/material.rs:151:23
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut rand::prelude::SmallRng) -> Option<ScatterRecord> {
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hit`
[INFO] [stderr]    --> src/material.rs:151:34
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut rand::prelude::SmallRng) -> Option<ScatterRecord> {
[INFO] [stderr]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_hit`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/material.rs:155:23
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/material.rs:155:31
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stderr]     |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/material.rs:155:39
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stderr]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/aabb.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         for a in 0..3 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/aabb.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stderr]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmin`
[INFO] [stderr]   --> src/aabb.rs:15:27
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stderr]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_tmin`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmax`
[INFO] [stderr]   --> src/aabb.rs:15:38
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stderr]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_tmax`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:122:21
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 let mut start = j;
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `random_unit_vector`
[INFO] [stderr]   --> src/vecutil.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn random_unit_vector(rng: &mut rand::prelude::SmallRng) -> Vector3<f64> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `aabb`
[INFO] [stderr]  --> src/aabb.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct aabb {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `hit`
[INFO] [stderr]   --> src/aabb.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr] warning: unused imports: `distance_squared`, `distance`
[INFO] [stderr]  --> src/primitives/sphere.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, distance, distance_squared};
[INFO] [stderr]   |                   ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/material.rs:3:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/ray.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/vecutil.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/camera.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/aabb.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hit`
[INFO] [stderr]  --> src/aabb.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::ray::{Ray, Hit};
[INFO] [stderr]   |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::primitives::Intersect`
[INFO] [stderr]  --> src/aabb.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::primitives::Intersect;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::material::*`
[INFO] [stderr]  --> src/aabb.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::material::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/aabb.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `aabb` should have an upper camel case name
[INFO] [stderr]  --> src/aabb.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct aabb {
[INFO] [stderr]   |            ^^^^ help: convert the identifier to upper camel case: `Aabb`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/material.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/ray.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `distance_squared`, `distance`
[INFO] [stderr]  --> src/primitives/sphere.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, distance, distance_squared};
[INFO] [stderr]   |                   ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/camera.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/vecutil.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/material.rs:3:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rotation3`
[INFO] [stderr]  --> src/aabb.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use na::{Vector3, Rotation3};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hit`
[INFO] [stderr]  --> src/aabb.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::ray::{Ray, Hit};
[INFO] [stderr]   |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::primitives::Intersect`
[INFO] [stderr]  --> src/aabb.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::primitives::Intersect;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::material::*`
[INFO] [stderr]  --> src/aabb.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::material::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/aabb.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `aabb` should have an upper camel case name
[INFO] [stderr]  --> src/aabb.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct aabb {
[INFO] [stderr]   |            ^^^^ help: convert the identifier to upper camel case: `Aabb`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RowVector3`
[INFO] [stderr]   --> src/main.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 | use na::{Vector3,RowVector3};
[INFO] [stderr]    |                  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/material.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]   --> src/material.rs:27:23
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/material.rs:27:31
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stderr]    |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/material.rs:27:39
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stderr]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]    --> src/material.rs:151:23
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut rand::prelude::SmallRng) -> Option<ScatterRecord> {
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hit`
[INFO] [stderr]    --> src/material.rs:151:34
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut rand::prelude::SmallRng) -> Option<ScatterRecord> {
[INFO] [stderr]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_hit`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/material.rs:155:23
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/material.rs:155:31
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stderr]     |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/material.rs:155:39
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stderr]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/aabb.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         for a in 0..3 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/aabb.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stderr]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmin`
[INFO] [stderr]   --> src/aabb.rs:15:27
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stderr]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_tmin`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmax`
[INFO] [stderr]   --> src/aabb.rs:15:38
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stderr]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_tmax`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `random_unit_vector`
[INFO] [stderr]   --> src/vecutil.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn random_unit_vector(rng: &mut rand::prelude::SmallRng) -> Vector3<f64> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `min`
[INFO] [stderr]   --> src/aabb.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     min: Vector3<f64>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `max`
[INFO] [stderr]   --> src/aabb.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     max: Vector3<f64>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `center` is never read
[INFO] [stderr]   --> src/main.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |             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] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]   --> src/material.rs:27:23
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/material.rs:27:31
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stderr]    |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/material.rs:27:39
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 { return Vec3::new(0.0, 0.0, 0.0); }
[INFO] [stderr]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]    --> src/material.rs:151:23
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut rand::prelude::SmallRng) -> Option<ScatterRecord> {
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hit`
[INFO] [stderr]    --> src/material.rs:151:34
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn scatter(&self, ray: &Ray, hit: &Hit, _rng: &mut rand::prelude::SmallRng) -> Option<ScatterRecord> {
[INFO] [stderr]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_hit`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/material.rs:155:23
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/material.rs:155:31
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stderr]     |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/material.rs:155:39
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn emitted(&self, u: f64, v: f64, p: Vec3) -> Vec3 {
[INFO] [stderr]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/aabb.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         for a in 0..3 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/aabb.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stderr]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_ray`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmin`
[INFO] [stderr]   --> src/aabb.rs:15:27
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stderr]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_tmin`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmax`
[INFO] [stderr]   --> src/aabb.rs:15:38
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stderr]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_tmax`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:122:21
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 let mut start = j;
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `random_unit_vector`
[INFO] [stderr]   --> src/vecutil.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn random_unit_vector(rng: &mut rand::prelude::SmallRng) -> Vector3<f64> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `aabb`
[INFO] [stderr]  --> src/aabb.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct aabb {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `hit`
[INFO] [stderr]   --> src/aabb.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `black_box`
[INFO] [stderr]  --> benches/my_bench.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pathtrace::ray::Hit`
[INFO] [stderr]  --> benches/my_bench.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pathtrace::ray::Hit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RowVector3`
[INFO] [stderr]   --> benches/my_bench.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 | use na::{Vector3,RowVector3};
[INFO] [stderr]    |                  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 4m 01s
[INFO] running `"docker" "inspect" "f1fcb6f5551faa559c7124926937df7108b7b13a9c41b5b2b8bfa5679a1c9d75"`
[INFO] running `"docker" "rm" "-f" "f1fcb6f5551faa559c7124926937df7108b7b13a9c41b5b2b8bfa5679a1c9d75"`
[INFO] [stdout] f1fcb6f5551faa559c7124926937df7108b7b13a9c41b5b2b8bfa5679a1c9d75