[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 }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuxinet%2Frust-path-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3339f80a0ee7e11a5c72e49d40c0aa8f98db4a8e
[INFO] checking Tuxinet/rust-path-tracer against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuxinet%2Frust-path-tracer" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tuxinet/rust-path-tracer on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0/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: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 627c82bfde92c69e3201c23ea61c3b949cdfa8df9ac1e21b2e67c33f77272088
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "627c82bfde92c69e3201c23ea61c3b949cdfa8df9ac1e21b2e67c33f77272088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "627c82bfde92c69e3201c23ea61c3b949cdfa8df9ac1e21b2e67c33f77272088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "627c82bfde92c69e3201c23ea61c3b949cdfa8df9ac1e21b2e67c33f77272088", kill_on_drop: false }`
[INFO] [stdout] 627c82bfde92c69e3201c23ea61c3b949cdfa8df9ac1e21b2e67c33f77272088
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bc9666662d306e55ca767e24061b283150b98c0158e58252f861cdf98e30f54
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9bc9666662d306e55ca767e24061b283150b98c0158e58252f861cdf98e30f54", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `distance_squared`, `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 is never used: `random_unit_vector`
[INFO] [stdout]   --> src/vecutil.rs:28:12
[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 is never read: `min`
[INFO] [stdout]   --> src/aabb.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     min: Vector3<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max`
[INFO] [stdout]   --> src/aabb.rs:11:5
[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`, `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: `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 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/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use rand::*;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `center` is never read
[INFO] [stdout]   --> src/main.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |             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]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:125:21
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 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: associated function is never used: `random_unit_vector`
[INFO] [stdout]   --> src/vecutil.rs:28:12
[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: struct is never constructed: `aabb`
[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 is never used: `hit`
[INFO] [stdout]   --> src/aabb.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random_float`
[INFO] [stdout]   --> src/lehmer.rs:14:12
[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] [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: `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`, `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 imports: `distance_squared`, `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: 3 warnings emitted
[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 is never used: `random_unit_vector`
[INFO] [stdout]   --> src/vecutil.rs:28:12
[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 is never read: `min`
[INFO] [stdout]   --> src/aabb.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     min: Vector3<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max`
[INFO] [stdout]   --> src/aabb.rs:11:5
[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: `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 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/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use rand::*;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `center` is never read
[INFO] [stdout]   --> src/main.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |             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]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:125:21
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 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: associated function is never used: `random_unit_vector`
[INFO] [stdout]   --> src/vecutil.rs:28:12
[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: struct is never constructed: `aabb`
[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 is never used: `hit`
[INFO] [stdout]   --> src/aabb.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn hit(ray: &Ray, tmin: f32, tmax: f32) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random_float`
[INFO] [stdout]   --> src/lehmer.rs:14:12
[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 [optimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "9bc9666662d306e55ca767e24061b283150b98c0158e58252f861cdf98e30f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc9666662d306e55ca767e24061b283150b98c0158e58252f861cdf98e30f54", kill_on_drop: false }`
[INFO] [stdout] 9bc9666662d306e55ca767e24061b283150b98c0158e58252f861cdf98e30f54