[INFO] cloning repository https://github.com/celialewis3/rust_raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/celialewis3/rust_raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelialewis3%2Frust_raytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelialewis3%2Frust_raytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdfa683ebf44dfaddebb0a0190447fc0e8a10dd6
[INFO] testing celialewis3/rust_raytracer against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelialewis3%2Frust_raytracer" "/workspace/builds/worker-49/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/celialewis3/rust_raytracer on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/celialewis3/rust_raytracer
[INFO] finished tweaking git repo https://github.com/celialewis3/rust_raytracer
[INFO] tweaked toml for git repo https://github.com/celialewis3/rust_raytracer written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate git repo https://github.com/celialewis3/rust_raytracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd9d87f339d677bbfab0bf85cd34fa052b26dd745b3086b7b75165941f244eef
[INFO] running `Command { std: "docker" "start" "-a" "dd9d87f339d677bbfab0bf85cd34fa052b26dd745b3086b7b75165941f244eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd9d87f339d677bbfab0bf85cd34fa052b26dd745b3086b7b75165941f244eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9d87f339d677bbfab0bf85cd34fa052b26dd745b3086b7b75165941f244eef", kill_on_drop: false }`
[INFO] [stdout] dd9d87f339d677bbfab0bf85cd34fa052b26dd745b3086b7b75165941f244eef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e80f463b386ec1cfd49304405a4c45ef69a0670165c153191e36f468af618ab8
[INFO] running `Command { std: "docker" "start" "-a" "e80f463b386ec1cfd49304405a4c45ef69a0670165c153191e36f468af618ab8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::*`
[INFO] [stdout]  --> src/ray.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::*;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unit_direction`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let unit_direction: Vec3 = Vec3::unit_vector(&r.direction());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unit_direction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/vec3.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(e0: f32, e1: f32, e2: f32) -> Vec3 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `length_squared`
[INFO] [stdout]   --> src/vec3.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn length_squared(self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `length`
[INFO] [stdout]   --> src/vec3.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn length(self) -> f32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unit_vector`
[INFO] [stdout]   --> src/vec3.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn unit_vector(v: &Vec3) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x`
[INFO] [stdout]   --> src/vec3.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn x(&self) -> f32 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `y`
[INFO] [stdout]   --> src/vec3.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn y(&self) -> f32 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `z`
[INFO] [stdout]   --> src/vec3.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn z(&self) -> f32 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `orig`
[INFO] [stdout]  --> src/ray.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     orig: Vec3,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dir`
[INFO] [stdout]  --> src/ray.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     dir: Vec3,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ray`
[INFO] [stdout]   --> src/ray.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn ray(origin: Vec3, direction: Vec3) -> Ray {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `origin`
[INFO] [stdout]   --> src/ray.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn origin(self) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `direction`
[INFO] [stdout]   --> src/ray.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn direction(self) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `point_at`
[INFO] [stdout]   --> src/ray.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn point_at(self, t: f32) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `color`
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn color(r: &Ray) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.02s
[INFO] running `Command { std: "docker" "inspect" "e80f463b386ec1cfd49304405a4c45ef69a0670165c153191e36f468af618ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80f463b386ec1cfd49304405a4c45ef69a0670165c153191e36f468af618ab8", kill_on_drop: false }`
[INFO] [stdout] e80f463b386ec1cfd49304405a4c45ef69a0670165c153191e36f468af618ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba19fca4da3604b40a2b41e71b13815f9ce0aa85c22be5f3e5bf3fb8064fae87
[INFO] running `Command { std: "docker" "start" "-a" "ba19fca4da3604b40a2b41e71b13815f9ce0aa85c22be5f3e5bf3fb8064fae87", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::*`
[INFO] [stdout]  --> src/ray.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::*;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/ray.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unit_direction`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let unit_direction: Vec3 = Vec3::unit_vector(&r.direction());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unit_direction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `length_squared`
[INFO] [stdout]   --> src/vec3.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn length_squared(self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `length`
[INFO] [stdout]   --> src/vec3.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn length(self) -> f32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unit_vector`
[INFO] [stdout]   --> src/vec3.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn unit_vector(v: &Vec3) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x`
[INFO] [stdout]   --> src/vec3.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn x(&self) -> f32 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `y`
[INFO] [stdout]   --> src/vec3.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn y(&self) -> f32 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `z`
[INFO] [stdout]   --> src/vec3.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn z(&self) -> f32 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `orig`
[INFO] [stdout]  --> src/ray.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     orig: Vec3,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dir`
[INFO] [stdout]  --> src/ray.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     dir: Vec3,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ray`
[INFO] [stdout]   --> src/ray.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn ray(origin: Vec3, direction: Vec3) -> Ray {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `origin`
[INFO] [stdout]   --> src/ray.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn origin(self) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `direction`
[INFO] [stdout]   --> src/ray.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn direction(self) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `point_at`
[INFO] [stdout]   --> src/ray.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn point_at(self, t: f32) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `color`
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn color(r: &Ray) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "ba19fca4da3604b40a2b41e71b13815f9ce0aa85c22be5f3e5bf3fb8064fae87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba19fca4da3604b40a2b41e71b13815f9ce0aa85c22be5f3e5bf3fb8064fae87", kill_on_drop: false }`
[INFO] [stdout] ba19fca4da3604b40a2b41e71b13815f9ce0aa85c22be5f3e5bf3fb8064fae87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3ba269ec2c2019e072911575c336d5cb31bf0d697552b0c6b9b90feb3e9680f
[INFO] running `Command { std: "docker" "start" "-a" "d3ba269ec2c2019e072911575c336d5cb31bf0d697552b0c6b9b90feb3e9680f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::ops::*`
[INFO] [stderr]  --> src/ray.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ops::*;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/ray.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unit_direction`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let unit_direction: Vec3 = Vec3::unit_vector(&r.direction());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unit_direction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `length_squared`
[INFO] [stderr]   --> src/vec3.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn length_squared(self) -> f32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `length`
[INFO] [stderr]   --> src/vec3.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn length(self) -> f32 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unit_vector`
[INFO] [stderr]   --> src/vec3.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn unit_vector(v: &Vec3) -> Vec3 {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `x`
[INFO] [stderr]   --> src/vec3.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn x(&self) -> f32 {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `y`
[INFO] [stderr]   --> src/vec3.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn y(&self) -> f32 {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `z`
[INFO] [stderr]   --> src/vec3.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn z(&self) -> f32 {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `orig`
[INFO] [stderr]  --> src/ray.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     orig: Vec3,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dir`
[INFO] [stderr]  --> src/ray.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     dir: Vec3,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ray`
[INFO] [stderr]   --> src/ray.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn ray(origin: Vec3, direction: Vec3) -> Ray {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `origin`
[INFO] [stderr]   --> src/ray.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn origin(self) -> Vec3 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `direction`
[INFO] [stderr]   --> src/ray.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn direction(self) -> Vec3 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `point_at`
[INFO] [stderr]   --> src/ray.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn point_at(self, t: f32) -> Vec3 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `color`
[INFO] [stderr]  --> src/main.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn color(r: &Ray) {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `raytracer` (bin "raytracer" test) generated 16 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/raytracer-2dc4d4dcdda11cba)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test ray::tests::test_ray_direction ... ok
[INFO] [stdout] test ray::tests::test_ray_origin ... ok
[INFO] [stdout] test ray::tests::test_ray_point_at_parameter ... ok
[INFO] [stdout] test vec3::tests::test_ray_point_at_parameter ... ok
[INFO] [stdout] test vec3::tests::test_vec_add ... ok
[INFO] [stdout] test vec3::tests::test_vec_divide ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d3ba269ec2c2019e072911575c336d5cb31bf0d697552b0c6b9b90feb3e9680f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3ba269ec2c2019e072911575c336d5cb31bf0d697552b0c6b9b90feb3e9680f", kill_on_drop: false }`
[INFO] [stdout] d3ba269ec2c2019e072911575c336d5cb31bf0d697552b0c6b9b90feb3e9680f