[INFO] cloning repository https://github.com/jillianjean98/raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jillianjean98/raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjillianjean98%2Fraytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjillianjean98%2Fraytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0827cc5ebf59f12cafd65d95c24f497244f1b6b4
[INFO] testing jillianjean98/raytracer against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjillianjean98%2Fraytracer" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jillianjean98/raytracer
[INFO] finished tweaking git repo https://github.com/jillianjean98/raytracer
[INFO] tweaked toml for git repo https://github.com/jillianjean98/raytracer written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jillianjean98/raytracer on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jillianjean98/raytracer 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f455b50acf55c343f71744d1fb643efd59a21213143f267db2f112be09cfa838
[INFO] running `Command { std: "docker" "start" "-a" "f455b50acf55c343f71744d1fb643efd59a21213143f267db2f112be09cfa838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f455b50acf55c343f71744d1fb643efd59a21213143f267db2f112be09cfa838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f455b50acf55c343f71744d1fb643efd59a21213143f267db2f112be09cfa838", kill_on_drop: false }`
[INFO] [stdout] f455b50acf55c343f71744d1fb643efd59a21213143f267db2f112be09cfa838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cc24a366b89be3a8db284a3d1b6b237f858fb98ff19367920287d5057e51287
[INFO] running `Command { std: "docker" "start" "-a" "6cc24a366b89be3a8db284a3d1b6b237f858fb98ff19367920287d5057e51287", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::option`
[INFO] [stdout]  --> src/objects/hittable.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::option;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::vec3::vec3::Vec3`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use utils::vec3::vec3::Vec3;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/objects/material.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn scatter(&self, r_in: &Ray, hit_record: &hittable::HitRecord, attenuation: &mut vec3::color::Color, scattered: &mut Ray) -> bo...
[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: unused variable: `viewport_width`
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let viewport_width = ASPECT_RATIO * viewport_height;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_viewport_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `focal_length`
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let focal_length = 1.0;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_focal_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_write` is never used
[INFO] [stdout]   --> src/utils/vec3.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn vec_write(mut output_writer: impl Write, v: Vec3) -> io::Result<()> {
[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 `cross` is never used
[INFO] [stdout]    --> src/utils/vec3.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn cross(u: Vec3, v: Vec3) -> Vec3 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `front_face` is never read
[INFO] [stdout]   --> src/objects/hittable.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct HitRecord {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub front_face: bool, 
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/objects/hittable.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl HitRecord {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new(p: vec3::point3::Point3, normal: vec3::vec3::Vec3, t: f64, m: Rc<dyn Material>) -> HitRecord {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_init` and `clear` are never used
[INFO] [stdout]   --> src/objects/hittable_list.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     impl HittableList {
[INFO] [stdout]    |     ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |         pub fn new_init(objects: Vec<Box<dyn objects::hittable::Hittable>>) -> HittableList {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |         pub fn clear(&mut self) {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "6cc24a366b89be3a8db284a3d1b6b237f858fb98ff19367920287d5057e51287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc24a366b89be3a8db284a3d1b6b237f858fb98ff19367920287d5057e51287", kill_on_drop: false }`
[INFO] [stdout] 6cc24a366b89be3a8db284a3d1b6b237f858fb98ff19367920287d5057e51287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c38d757a25f2b9476aeea9b98ec85cff88fa8a17d008c79e1737dd4dac9e1fa8
[INFO] running `Command { std: "docker" "start" "-a" "c38d757a25f2b9476aeea9b98ec85cff88fa8a17d008c79e1737dd4dac9e1fa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::option`
[INFO] [stdout]  --> src/objects/hittable.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::option;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::vec3::vec3::Vec3`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use utils::vec3::vec3::Vec3;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/objects/material.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn scatter(&self, r_in: &Ray, hit_record: &hittable::HitRecord, attenuation: &mut vec3::color::Color, scattered: &mut Ray) -> bo...
[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: unused variable: `viewport_width`
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let viewport_width = ASPECT_RATIO * viewport_height;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_viewport_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `focal_length`
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let focal_length = 1.0;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_focal_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_write` is never used
[INFO] [stdout]   --> src/utils/vec3.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn vec_write(mut output_writer: impl Write, v: Vec3) -> io::Result<()> {
[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 `cross` is never used
[INFO] [stdout]    --> src/utils/vec3.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn cross(u: Vec3, v: Vec3) -> Vec3 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `front_face` is never read
[INFO] [stdout]   --> src/objects/hittable.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct HitRecord {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub front_face: bool, 
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/objects/hittable.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl HitRecord {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new(p: vec3::point3::Point3, normal: vec3::vec3::Vec3, t: f64, m: Rc<dyn Material>) -> HitRecord {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_init` and `clear` are never used
[INFO] [stdout]   --> src/objects/hittable_list.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     impl HittableList {
[INFO] [stdout]    |     ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |         pub fn new_init(objects: Vec<Box<dyn objects::hittable::Hittable>>) -> HittableList {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |         pub fn clear(&mut self) {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "c38d757a25f2b9476aeea9b98ec85cff88fa8a17d008c79e1737dd4dac9e1fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38d757a25f2b9476aeea9b98ec85cff88fa8a17d008c79e1737dd4dac9e1fa8", kill_on_drop: false }`
[INFO] [stdout] c38d757a25f2b9476aeea9b98ec85cff88fa8a17d008c79e1737dd4dac9e1fa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6f32a4c544e3a6d0435fa3aba92b89bb529794bd60c794228395e6f97bcf7eb
[INFO] running `Command { std: "docker" "start" "-a" "e6f32a4c544e3a6d0435fa3aba92b89bb529794bd60c794228395e6f97bcf7eb", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::option`
[INFO] [stderr]  --> src/objects/hittable.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::option;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `utils::vec3::vec3::Vec3`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use utils::vec3::vec3::Vec3;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_in`
[INFO] [stderr]   --> src/objects/material.rs:22:23
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn scatter(&self, r_in: &Ray, hit_record: &hittable::HitRecord, attenuation: &mut vec3::color::Color, scattered: &mut Ray) -> bo...
[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: unused variable: `viewport_width`
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let viewport_width = ASPECT_RATIO * viewport_height;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_viewport_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `focal_length`
[INFO] [stderr]   --> src/main.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let focal_length = 1.0;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_focal_length`
[INFO] [stderr] 
[INFO] [stderr] warning: function `vec_write` is never used
[INFO] [stderr]   --> src/utils/vec3.rs:84:8
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn vec_write(mut output_writer: impl Write, v: Vec3) -> io::Result<()> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `cross` is never used
[INFO] [stderr]    --> src/utils/vec3.rs:153:12
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn cross(u: Vec3, v: Vec3) -> Vec3 {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `front_face` is never read
[INFO] [stderr]   --> src/objects/hittable.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct HitRecord {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 13 |     pub front_face: bool, 
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/objects/hittable.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl HitRecord {
[INFO] [stderr]    | -------------- associated function in this implementation
[INFO] [stderr] 18 |     pub fn new(p: vec3::point3::Point3, normal: vec3::vec3::Vec3, t: f64, m: Rc<dyn Material>) -> HitRecord {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new_init` and `clear` are never used
[INFO] [stderr]   --> src/objects/hittable_list.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |     impl HittableList {
[INFO] [stderr]    |     ----------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17 |         pub fn new_init(objects: Vec<Box<dyn objects::hittable::Hittable>>) -> HittableList {
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |         pub fn clear(&mut self) {
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `raytracer` (bin "raytracer" test) generated 10 warnings (run `cargo fix --bin "raytracer" -p raytracer --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/raytracer-0654e406627911a4)
[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" "e6f32a4c544e3a6d0435fa3aba92b89bb529794bd60c794228395e6f97bcf7eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f32a4c544e3a6d0435fa3aba92b89bb529794bd60c794228395e6f97bcf7eb", kill_on_drop: false }`
[INFO] [stdout] e6f32a4c544e3a6d0435fa3aba92b89bb529794bd60c794228395e6f97bcf7eb
