[INFO] cloning repository https://github.com/M-Mafeni/raytracer-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/M-Mafeni/raytracer-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM-Mafeni%2Fraytracer-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM-Mafeni%2Fraytracer-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd49a32ba85432cc7f66b2b76a939727c1120ef6
[INFO] testing M-Mafeni/raytracer-rust against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM-Mafeni%2Fraytracer-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/M-Mafeni/raytracer-rust
[INFO] finished tweaking git repo https://github.com/M-Mafeni/raytracer-rust
[INFO] tweaked toml for git repo https://github.com/M-Mafeni/raytracer-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/M-Mafeni/raytracer-rust on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/M-Mafeni/raytracer-rust 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23b5a22504ad81448b2854d26e5dc48fcdb09a854fa56de896ce5babe73bf167
[INFO] running `Command { std: "docker" "start" "-a" "23b5a22504ad81448b2854d26e5dc48fcdb09a854fa56de896ce5babe73bf167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23b5a22504ad81448b2854d26e5dc48fcdb09a854fa56de896ce5babe73bf167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b5a22504ad81448b2854d26e5dc48fcdb09a854fa56de896ce5babe73bf167", kill_on_drop: false }`
[INFO] [stdout] 23b5a22504ad81448b2854d26e5dc48fcdb09a854fa56de896ce5babe73bf167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9d41d92e70a8c39051c1b8cae471c69d157026949d71dbbde50644b95f529c0e
[INFO] running `Command { std: "docker" "start" "-a" "9d41d92e70a8c39051c1b8cae471c69d157026949d71dbbde50644b95f529c0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling raytracer-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ray::ray`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ray::ray;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/vector/random.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     while true {
[INFO] [stdout]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/vector/random.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     while true {
[INFO] [stdout]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/world/material.rs:65:38
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Material::DiffuseLight { value } => None 
[INFO] [stdout]    |                                      ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/world/material.rs:29:81
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn scatter(&self, r: &Ray, p: Point3, normal: Point3, front_face: bool, t: f64) -> Option<ScatterResult> {
[INFO] [stdout]    |                                                                                 ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_scene` is never used
[INFO] [stdout]   --> src/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn random_scene() -> HittableList {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random` is never used
[INFO] [stdout]  --> src/vector/random.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn random() -> Vec3 {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> src/vector/random.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn random_in_hemisphere(normal: Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `metal` is never used
[INFO] [stdout]   --> src/world/material.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn metal(albedo: Color, f: f64) -> Material {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `position` and `colour` are never read
[INFO] [stdout]  --> src/world/light.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Light {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 4 |     pub position: Point3,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 5 |     pub colour: Color
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/camera.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     w: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "9d41d92e70a8c39051c1b8cae471c69d157026949d71dbbde50644b95f529c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d41d92e70a8c39051c1b8cae471c69d157026949d71dbbde50644b95f529c0e", kill_on_drop: false }`
[INFO] [stdout] 9d41d92e70a8c39051c1b8cae471c69d157026949d71dbbde50644b95f529c0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b15e81c906f7d99794c5cc3ae9ecb4ef758a2adf38dbf2ab080d6ad3f7260746
[INFO] running `Command { std: "docker" "start" "-a" "b15e81c906f7d99794c5cc3ae9ecb4ef758a2adf38dbf2ab080d6ad3f7260746", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytracer-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ray::ray`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ray::ray;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/vector/random.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     while true {
[INFO] [stdout]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/vector/random.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     while true {
[INFO] [stdout]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/world/material.rs:65:38
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Material::DiffuseLight { value } => None 
[INFO] [stdout]    |                                      ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/world/material.rs:29:81
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn scatter(&self, r: &Ray, p: Point3, normal: Point3, front_face: bool, t: f64) -> Option<ScatterResult> {
[INFO] [stdout]    |                                                                                 ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_scene` is never used
[INFO] [stdout]   --> src/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn random_scene() -> HittableList {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random` is never used
[INFO] [stdout]  --> src/vector/random.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn random() -> Vec3 {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> src/vector/random.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn random_in_hemisphere(normal: Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `metal` is never used
[INFO] [stdout]   --> src/world/material.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn metal(albedo: Color, f: f64) -> Material {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `position` and `colour` are never read
[INFO] [stdout]  --> src/world/light.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Light {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 4 |     pub position: Point3,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 5 |     pub colour: Color
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/camera.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     w: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "b15e81c906f7d99794c5cc3ae9ecb4ef758a2adf38dbf2ab080d6ad3f7260746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15e81c906f7d99794c5cc3ae9ecb4ef758a2adf38dbf2ab080d6ad3f7260746", kill_on_drop: false }`
[INFO] [stdout] b15e81c906f7d99794c5cc3ae9ecb4ef758a2adf38dbf2ab080d6ad3f7260746
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] bca240ffd9f92af79fdc70ffc9dc074b592812dcd2e8a37c42c5bbb4ad33ccec
[INFO] running `Command { std: "docker" "start" "-a" "bca240ffd9f92af79fdc70ffc9dc074b592812dcd2e8a37c42c5bbb4ad33ccec", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ray::ray`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ray::ray;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/vector/random.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     while true {
[INFO] [stderr]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]   --> src/vector/random.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     while true {
[INFO] [stderr]    |     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/world/material.rs:65:38
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Material::DiffuseLight { value } => None 
[INFO] [stderr]    |                                      ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/world/material.rs:29:81
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn scatter(&self, r: &Ray, p: Point3, normal: Point3, front_face: bool, t: f64) -> Option<ScatterResult> {
[INFO] [stderr]    |                                                                                 ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: function `random_scene` is never used
[INFO] [stderr]   --> src/main.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn random_scene() -> HittableList {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `random` is never used
[INFO] [stderr]  --> src/vector/random.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn random() -> Vec3 {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `random_in_hemisphere` is never used
[INFO] [stderr]   --> src/vector/random.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn random_in_hemisphere(normal: Vec3) -> Vec3 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `metal` is never used
[INFO] [stderr]   --> src/world/material.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn metal(albedo: Color, f: f64) -> Material {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `position` and `colour` are never read
[INFO] [stderr]  --> src/world/light.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Light {
[INFO] [stderr]   |            ----- fields in this struct
[INFO] [stderr] 4 |     pub position: Point3,
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr] 5 |     pub colour: Color
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `w` is never read
[INFO] [stderr]   --> src/camera.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 3  | pub struct Camera {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 11 |     w: Vec3,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: `raytracer-rust` (bin "raytracer-rust" test) generated 11 warnings (run `cargo fix --bin "raytracer-rust" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/raytracer_rust-7a7faffcdde71930)
[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" "bca240ffd9f92af79fdc70ffc9dc074b592812dcd2e8a37c42c5bbb4ad33ccec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca240ffd9f92af79fdc70ffc9dc074b592812dcd2e8a37c42c5bbb4ad33ccec", kill_on_drop: false }`
[INFO] [stdout] bca240ffd9f92af79fdc70ffc9dc074b592812dcd2e8a37c42c5bbb4ad33ccec