[INFO] cloning repository https://github.com/map9959/rust-tracing-in-one-weekend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/map9959/rust-tracing-in-one-weekend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmap9959%2Frust-tracing-in-one-weekend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmap9959%2Frust-tracing-in-one-weekend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8983547203a4cca5a789ea757b50752df8250b48
[INFO] testing map9959/rust-tracing-in-one-weekend against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmap9959%2Frust-tracing-in-one-weekend" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/map9959/rust-tracing-in-one-weekend
[INFO] finished tweaking git repo https://github.com/map9959/rust-tracing-in-one-weekend
[INFO] tweaked toml for git repo https://github.com/map9959/rust-tracing-in-one-weekend written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/map9959/rust-tracing-in-one-weekend on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/map9959/rust-tracing-in-one-weekend 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7165691d8c1dd857f270b321a1f4f56546641678054a2e21dc7673728d8a5a23
[INFO] running `Command { std: "docker" "start" "7165691d8c1dd857f270b321a1f4f56546641678054a2e21dc7673728d8a5a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7165691d8c1dd857f270b321a1f4f56546641678054a2e21dc7673728d8a5a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7165691d8c1dd857f270b321a1f4f56546641678054a2e21dc7673728d8a5a23" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7165691d8c1dd857f270b321a1f4f56546641678054a2e21dc7673728d8a5a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7165691d8c1dd857f270b321a1f4f56546641678054a2e21dc7673728d8a5a23" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling portable-atomic v1.9.0
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling console v0.15.8
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling indicatif v0.17.8
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling rust-tracer-in-one-weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `utils::PI`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utils::PI;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `random`
[INFO] [stdout]   --> src/main.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rand::{random, Rng};
[INFO] [stdout]    |            ^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/hittable.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{material::{self, Material}, utils::Interval, vec3::dot, Ray, Vec3};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vec3::random_on_hemisphere`
[INFO] [stdout]  --> src/camera.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::vec3::random_on_hemisphere;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vec3::random_unit_vector`
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vec3::random_unit_vector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn scatter(&self, r_in: &Ray, record: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_simple_scene` is never used
[INFO] [stdout]   --> src/main.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn generate_simple_scene() -> Scene{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_on_hemisphere` is never used
[INFO] [stdout]    --> src/vec3.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub fn random_on_hemisphere(normal: &Vec3) -> Vec3{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hittable.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl HitRecord{
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new(p: Vec3, normal: Vec3, t: f64, front_face: bool, material: Arc<dyn Material>) -> HitRecord{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INFINITY` is never used
[INFO] [stdout]  --> src/utils.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const INFINITY: f64 = f64::MAX;
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `contains`, and `size` are never used
[INFO] [stdout]   --> src/utils.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Interval{
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(min: f64, max: f64) -> Interval{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn contains(&self, x: f64) -> bool{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn size(&self) -> f64{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPTY` is never used
[INFO] [stdout]   --> src/utils.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const EMPTY: Interval = Interval{min: f64::MAX, max: f64::MIN};
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `UNIVERSE` is never used
[INFO] [stdout]   --> src/utils.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const UNIVERSE: Interval = Interval{min: f64::MIN, max: f64::MAX};
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NON_NEG` is never used
[INFO] [stdout]   --> src/utils.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub const NON_NEG: Interval = Interval{min: 0.0, max: f64::MAX};
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `ray_color_normal` and `test_gradient` are never used
[INFO] [stdout]    --> src/camera.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl Camera{
[INFO] [stdout]     | ----------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 137 |     fn ray_color_normal(r: &Ray, scene: &Scene) -> Vec3{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     fn test_gradient(i: i32, j: i32, image_width: i32, image_height: i32) -> Vec3{
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 11.40s
[INFO] running `Command { std: "docker" "inspect" "7165691d8c1dd857f270b321a1f4f56546641678054a2e21dc7673728d8a5a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7165691d8c1dd857f270b321a1f4f56546641678054a2e21dc7673728d8a5a23" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tracer-in-one-weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `utils::PI`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utils::PI;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `random`
[INFO] [stdout]   --> src/main.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rand::{random, Rng};
[INFO] [stdout]    |            ^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/hittable.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{material::{self, Material}, utils::Interval, vec3::dot, Ray, Vec3};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vec3::random_on_hemisphere`
[INFO] [stdout]  --> src/camera.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::vec3::random_on_hemisphere;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vec3::random_unit_vector`
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vec3::random_unit_vector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn scatter(&self, r_in: &Ray, record: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_simple_scene` is never used
[INFO] [stdout]   --> src/main.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn generate_simple_scene() -> Scene{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_on_hemisphere` is never used
[INFO] [stdout]    --> src/vec3.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub fn random_on_hemisphere(normal: &Vec3) -> Vec3{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hittable.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl HitRecord{
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new(p: Vec3, normal: Vec3, t: f64, front_face: bool, material: Arc<dyn Material>) -> HitRecord{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INFINITY` is never used
[INFO] [stdout]  --> src/utils.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const INFINITY: f64 = f64::MAX;
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `contains`, and `size` are never used
[INFO] [stdout]   --> src/utils.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Interval{
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(min: f64, max: f64) -> Interval{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn contains(&self, x: f64) -> bool{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn size(&self) -> f64{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPTY` is never used
[INFO] [stdout]   --> src/utils.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub const EMPTY: Interval = Interval{min: f64::MAX, max: f64::MIN};
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `UNIVERSE` is never used
[INFO] [stdout]   --> src/utils.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const UNIVERSE: Interval = Interval{min: f64::MIN, max: f64::MAX};
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NON_NEG` is never used
[INFO] [stdout]   --> src/utils.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub const NON_NEG: Interval = Interval{min: 0.0, max: f64::MAX};
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `ray_color_normal` and `test_gradient` are never used
[INFO] [stdout]    --> src/camera.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl Camera{
[INFO] [stdout]     | ----------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 137 |     fn ray_color_normal(r: &Ray, scene: &Scene) -> Vec3{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     fn test_gradient(i: i32, j: i32, image_width: i32, image_height: i32) -> Vec3{
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "7165691d8c1dd857f270b321a1f4f56546641678054a2e21dc7673728d8a5a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7165691d8c1dd857f270b321a1f4f56546641678054a2e21dc7673728d8a5a23" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `utils::PI`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use utils::PI;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng` and `random`
[INFO] [stderr]   --> src/main.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | use rand::{random, Rng};
[INFO] [stderr]    |            ^^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/hittable.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{material::{self, Material}, utils::Interval, vec3::dot, Ray, Vec3};
[INFO] [stderr]   |                        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::vec3::random_on_hemisphere`
[INFO] [stderr]  --> src/camera.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::vec3::random_on_hemisphere;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::vec3::random_unit_vector`
[INFO] [stderr]  --> src/camera.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::vec3::random_unit_vector;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_in`
[INFO] [stderr]   --> src/material.rs:15:23
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn scatter(&self, r_in: &Ray, record: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_simple_scene` is never used
[INFO] [stderr]   --> src/main.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn generate_simple_scene() -> Scene{
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `random_on_hemisphere` is never used
[INFO] [stderr]    --> src/vec3.rs:122:8
[INFO] [stderr]     |
[INFO] [stderr] 122 | pub fn random_on_hemisphere(normal: &Vec3) -> Vec3{
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/hittable.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl HitRecord{
[INFO] [stderr]    | -------------- associated function in this implementation
[INFO] [stderr] 11 |     pub fn new(p: Vec3, normal: Vec3, t: f64, front_face: bool, material: Arc<dyn Material>) -> HitRecord{
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `INFINITY` is never used
[INFO] [stderr]  --> src/utils.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub const INFINITY: f64 = f64::MAX;
[INFO] [stderr]   |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `contains`, and `size` are never used
[INFO] [stderr]   --> src/utils.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Interval{
[INFO] [stderr]    | ------------- associated items in this implementation
[INFO] [stderr] 11 |     pub fn new(min: f64, max: f64) -> Interval{
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     pub fn contains(&self, x: f64) -> bool{
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn size(&self) -> f64{
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `EMPTY` is never used
[INFO] [stderr]   --> src/utils.rs:29:11
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub const EMPTY: Interval = Interval{min: f64::MAX, max: f64::MIN};
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `UNIVERSE` is never used
[INFO] [stderr]   --> src/utils.rs:30:11
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub const UNIVERSE: Interval = Interval{min: f64::MIN, max: f64::MAX};
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `NON_NEG` is never used
[INFO] [stderr]   --> src/utils.rs:31:11
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub const NON_NEG: Interval = Interval{min: 0.0, max: f64::MAX};
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `ray_color_normal` and `test_gradient` are never used
[INFO] [stderr]    --> src/camera.rs:137:8
[INFO] [stderr]     |
[INFO] [stderr]  27 | impl Camera{
[INFO] [stderr]     | ----------- associated functions in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 137 |     fn ray_color_normal(r: &Ray, scene: &Scene) -> Vec3{
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 168 |     fn test_gradient(i: i32, j: i32, image_width: i32, image_height: i32) -> Vec3{
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-tracer-in-one-weekend` (bin "rust-tracer-in-one-weekend" test) generated 15 warnings (run `cargo fix --bin "rust-tracer-in-one-weekend" -p rust-tracer-in-one-weekend --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/rust_tracer_in_one_weekend-b36bdd33d0315e96)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7165691d8c1dd857f270b321a1f4f56546641678054a2e21dc7673728d8a5a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7165691d8c1dd857f270b321a1f4f56546641678054a2e21dc7673728d8a5a23", kill_on_drop: false }`
[INFO] [stdout] 7165691d8c1dd857f270b321a1f4f56546641678054a2e21dc7673728d8a5a23
