[INFO] cloning repository https://github.com/christopherwebb/rust_ray_tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christopherwebb/rust_ray_tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherwebb%2Frust_ray_tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherwebb%2Frust_ray_tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1c5cbcd8f385acd0e79e3f9b3a6a30cc81b9622
[INFO] testing christopherwebb/rust_ray_tracer against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherwebb%2Frust_ray_tracer" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christopherwebb/rust_ray_tracer on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/christopherwebb/rust_ray_tracer
[INFO] finished tweaking git repo https://github.com/christopherwebb/rust_ray_tracer
[INFO] tweaked toml for git repo https://github.com/christopherwebb/rust_ray_tracer written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/christopherwebb/rust_ray_tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80087706e8e0883fde544f35f69cd6d8abb93d9d52514190723cee5a720b781d
[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" "80087706e8e0883fde544f35f69cd6d8abb93d9d52514190723cee5a720b781d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80087706e8e0883fde544f35f69cd6d8abb93d9d52514190723cee5a720b781d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80087706e8e0883fde544f35f69cd6d8abb93d9d52514190723cee5a720b781d", kill_on_drop: false }`
[INFO] [stdout] 80087706e8e0883fde544f35f69cd6d8abb93d9d52514190723cee5a720b781d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80357a3651ab102d3fa0abdfb60ad1d7dd8522c11a8ac3bd00ce484381a06b4d
[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" "80357a3651ab102d3fa0abdfb60ad1d7dd8522c11a8ac3bd00ce484381a06b4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling console v0.9.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling indicatif v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling serde_json v1.0.42
[INFO] [stderr]    Compiling rust_ray_tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]   --> src/vector.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::thread_rng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/vector.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solve_quadratic`
[INFO] [stdout]   --> src/shapes/sphere.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::shapes::base::{solve_quadratic, Hitable};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hit_rad` is assigned to, but never used
[INFO] [stdout]   --> src/shapes/cylinder.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_hit_rad` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `hit_rad` is never read
[INFO] [stdout]   --> src/shapes/cylinder.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[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/shapes/cylinder.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let u = phi / self.phi_max;
[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/shapes/cylinder.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let v = (orig_hit.z - oz_min) / (oz_max - oz_min);
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dndu`
[INFO] [stdout]    --> src/shapes/cylinder.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let dndu = &((f * F - e * G) * invEGF2 * dpdu +
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dndv`
[INFO] [stdout]    --> src/shapes/cylinder.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let dndv = &((g * F - f * G) * invEGF2 * dpdu +
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot`
[INFO] [stdout]   --> src/core/normal.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn dot<T>(l: &Normal3T<T>, r: &Normal3T<T>) -> T
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_rotate`
[INFO] [stdout]    --> src/core/transforms.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn gen_rotate(theta: f32, axis: Vector3f) -> Transform {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `zMin` should have a snake case name
[INFO] [stdout]   --> src/shapes/cylinder.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub zMin: f32,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `z_min`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `zMax` should have a snake case name
[INFO] [stdout]   --> src/shapes/cylinder.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub zMax: f32,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `z_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `d2Pduu` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |             let d2Pduu = -self.phi_max * self.phi_max * Vector3f { x: orig_hit.x, y: orig_hit.y, z: 0.0 };
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `d2Pduv` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let d2Pduv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `d2Pdvv` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let d2Pdvv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pdvv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let E = dot_vv(&dpdu, &dpdu);
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let F = dot_vv(&dpdu, &dpdv);
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let G = dot_vv(&dpdv, &dpdv);
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let N = &cross(&dpdu, &dpdv).unit_vector();
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `invEGF2` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let invEGF2 = 1.0 / (E * G - F * F);
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `inv_egf2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/bin/rust_ray_assemble.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Read};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solve_quadratic`
[INFO] [stdout]   --> src/shapes/sphere.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::shapes::base::{solve_quadratic, Hitable};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]   --> src/vector.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::thread_rng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/vector.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hit_rad` is assigned to, but never used
[INFO] [stdout]   --> src/shapes/cylinder.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_hit_rad` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `hit_rad` is never read
[INFO] [stdout]   --> src/shapes/cylinder.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[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/shapes/cylinder.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let u = phi / self.phi_max;
[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/shapes/cylinder.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let v = (orig_hit.z - oz_min) / (oz_max - oz_min);
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dndu`
[INFO] [stdout]    --> src/shapes/cylinder.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let dndu = &((f * F - e * G) * invEGF2 * dpdu +
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dndv`
[INFO] [stdout]    --> src/shapes/cylinder.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let dndv = &((g * F - f * G) * invEGF2 * dpdu +
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create`
[INFO] [stdout]   --> src/camera.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn create(
[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: `make_lambertian`
[INFO] [stdout]    --> src/material.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn make_lambertian(albedo: Colour) -> Material {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_metal`
[INFO] [stdout]    --> src/material.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn make_metal(albedo: Colour, fuzz: f32) -> Material {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_dielectric`
[INFO] [stdout]    --> src/material.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn make_dielectric(ref_idx: f32) -> Material {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot`
[INFO] [stdout]    --> src/vector.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub fn dot(l: &Vec3, r: &Vec3) -> f32 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cross`
[INFO] [stdout]    --> src/vector.rs:260:8
[INFO] [stdout]     |
[INFO] [stdout] 260 | pub fn cross(l: &Vec3, r: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unit_vector`
[INFO] [stdout]    --> src/vector.rs:268:8
[INFO] [stdout]     |
[INFO] [stdout] 268 | pub fn unit_vector(vec : &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `length`
[INFO] [stdout]   --> src/core/point.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn length(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `squared_length`
[INFO] [stdout]   --> src/core/point.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn squared_length(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Vector2i`
[INFO] [stdout]   --> src/core/vector.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub type Vector2i = Vector2T<i32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Vector2f`
[INFO] [stdout]   --> src/core/vector.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub type Vector2f = Vector2T<f32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Vector3i`
[INFO] [stdout]   --> src/core/vector.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub type Vector3i = Vector3T<i32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `length`
[INFO] [stdout]   --> src/core/vector.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn length<T>(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `squared_length`
[INFO] [stdout]   --> src/core/vector.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn squared_length<T>(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Normal2i`
[INFO] [stdout]   --> src/core/normal.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub type Normal2i = Normal2T<i32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Normal2f`
[INFO] [stdout]   --> src/core/normal.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub type Normal2f = Normal2T<f32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Normal3i`
[INFO] [stdout]   --> src/core/normal.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub type Normal3i = Normal3T<i32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot`
[INFO] [stdout]   --> src/core/normal.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn dot<T>(l: &Normal3T<T>, r: &Normal3T<T>) -> T
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Matrix4x4i`
[INFO] [stdout]   --> src/core/matrix.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub type Matrix4x4i = Matrix4x4<i32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transpose`
[INFO] [stdout]   --> src/core/matrix.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn transpose(self) -> Matrix4x4f {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `indentity`
[INFO] [stdout]   --> src/core/matrix.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn indentity() -> Matrix4x4f {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_translate`
[INFO] [stdout]   --> src/core/transforms.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn gen_translate(delta: Vector3f) -> Transform {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_scale`
[INFO] [stdout]   --> src/core/transforms.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn gen_scale(x: f32, y: f32, z: f32) -> Transform {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_rotate_x`
[INFO] [stdout]   --> src/core/transforms.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn gen_rotate_x(theta: f32) -> Transform {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_rotate_y`
[INFO] [stdout]   --> src/core/transforms.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn gen_rotate_y(theta: f32) -> Transform {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_rotate_z`
[INFO] [stdout]   --> src/core/transforms.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn gen_rotate_z(theta: f32) -> Transform {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_rotate`
[INFO] [stdout]    --> src/core/transforms.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn gen_rotate(theta: f32, axis: Vector3f) -> Transform {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot_nv`
[INFO] [stdout]   --> src/core/mod.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn dot_nv<T>(l: &Normal3T<T>, r: &Vector3T<T>) -> T
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot_nn`
[INFO] [stdout]   --> src/core/mod.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn dot_nn<T>(l: &Normal3T<T>, r: &Normal3T<T>) -> T
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `NTHREADS` should have a snake case name
[INFO] [stdout]    --> src/main.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let NTHREADS = num_cpus::get() as u32;
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `nthreads`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     io::stdin().read_to_string(&mut buffer);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `zMin` should have a snake case name
[INFO] [stdout]   --> src/shapes/cylinder.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub zMin: f32,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `z_min`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `zMax` should have a snake case name
[INFO] [stdout]   --> src/shapes/cylinder.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub zMax: f32,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `z_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `d2Pduu` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |             let d2Pduu = -self.phi_max * self.phi_max * Vector3f { x: orig_hit.x, y: orig_hit.y, z: 0.0 };
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `d2Pduv` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let d2Pduv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `d2Pdvv` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let d2Pdvv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pdvv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let E = dot_vv(&dpdu, &dpdu);
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let F = dot_vv(&dpdu, &dpdv);
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let G = dot_vv(&dpdv, &dpdv);
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let N = &cross(&dpdu, &dpdv).unit_vector();
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `invEGF2` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let invEGF2 = 1.0 / (E * G - F * F);
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `inv_egf2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 50 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.02s
[INFO] running `Command { std: "docker" "inspect" "80357a3651ab102d3fa0abdfb60ad1d7dd8522c11a8ac3bd00ce484381a06b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80357a3651ab102d3fa0abdfb60ad1d7dd8522c11a8ac3bd00ce484381a06b4d", kill_on_drop: false }`
[INFO] [stdout] 80357a3651ab102d3fa0abdfb60ad1d7dd8522c11a8ac3bd00ce484381a06b4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 906c7e4ce17b8fa44139b05fce26de43800d0e3c8c6f86f881408a73adad87cf
[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" "906c7e4ce17b8fa44139b05fce26de43800d0e3c8c6f86f881408a73adad87cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_ray_tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]   --> src/vector.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::thread_rng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/vector.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solve_quadratic`
[INFO] [stdout]   --> src/shapes/sphere.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::shapes::base::{solve_quadratic, Hitable};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hit_rad` is assigned to, but never used
[INFO] [stdout]   --> src/shapes/cylinder.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_hit_rad` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `hit_rad` is never read
[INFO] [stdout]   --> src/shapes/cylinder.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[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/shapes/cylinder.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let u = phi / self.phi_max;
[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/shapes/cylinder.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let v = (orig_hit.z - oz_min) / (oz_max - oz_min);
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dndu`
[INFO] [stdout]    --> src/shapes/cylinder.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let dndu = &((f * F - e * G) * invEGF2 * dpdu +
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dndv`
[INFO] [stdout]    --> src/shapes/cylinder.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let dndv = &((g * F - f * G) * invEGF2 * dpdu +
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot`
[INFO] [stdout]   --> src/core/normal.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn dot<T>(l: &Normal3T<T>, r: &Normal3T<T>) -> T
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_rotate`
[INFO] [stdout]    --> src/core/transforms.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn gen_rotate(theta: f32, axis: Vector3f) -> Transform {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `zMin` should have a snake case name
[INFO] [stdout]   --> src/shapes/cylinder.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub zMin: f32,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `z_min`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `zMax` should have a snake case name
[INFO] [stdout]   --> src/shapes/cylinder.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub zMax: f32,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `z_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `d2Pduu` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |             let d2Pduu = -self.phi_max * self.phi_max * Vector3f { x: orig_hit.x, y: orig_hit.y, z: 0.0 };
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `d2Pduv` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let d2Pduv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `d2Pdvv` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let d2Pdvv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pdvv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let E = dot_vv(&dpdu, &dpdu);
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let F = dot_vv(&dpdu, &dpdv);
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let G = dot_vv(&dpdv, &dpdv);
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let N = &cross(&dpdu, &dpdv).unit_vector();
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `invEGF2` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let invEGF2 = 1.0 / (E * G - F * F);
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `inv_egf2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> examples/cylinders.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Serialize};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result`, `Value`
[INFO] [stdout]  --> examples/cylinders.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::{Result, Value};
[INFO] [stdout]   |                  ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_ray_tracing::shapes::base::Hitable`
[INFO] [stdout]   --> examples/cylinders.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use rust_ray_tracing::shapes::base::Hitable;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MovingSphere`, `Sphere`
[INFO] [stdout]   --> examples/cylinders.rs:19:40
[INFO] [stdout]    |
[INFO] [stdout] 19 | use rust_ray_tracing::shapes::sphere::{Sphere, MovingSphere};
[INFO] [stdout]    |                                        ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> examples/final_weekend.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde::{Serialize};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result`, `Value`
[INFO] [stdout]  --> examples/final_weekend.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json::{Result, Value};
[INFO] [stdout]   |                  ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_ray_tracing::shapes::base::Hitable`
[INFO] [stdout]   --> examples/final_weekend.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use rust_ray_tracing::shapes::base::Hitable;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_ray_tracing::shapes::cylinder::Cylinder`
[INFO] [stdout]   --> examples/final_weekend.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use rust_ray_tracing::shapes::cylinder::Cylinder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> examples/3balls.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Serialize};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result`, `Value`
[INFO] [stdout]  --> examples/3balls.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::{Result, Value};
[INFO] [stdout]   |                  ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_ray_tracing::shapes::base::Hitable`
[INFO] [stdout]   --> examples/3balls.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use rust_ray_tracing::shapes::base::Hitable;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_ray_tracing::shapes::cylinder::Cylinder`
[INFO] [stdout]   --> examples/3balls.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use rust_ray_tracing::shapes::cylinder::Cylinder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MovingSphere`
[INFO] [stdout]   --> examples/3balls.rs:19:48
[INFO] [stdout]    |
[INFO] [stdout] 19 | use rust_ray_tracing::shapes::sphere::{Sphere, MovingSphere};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/bin/rust_ray_assemble.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Read};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> examples/blue_red.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Serialize};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result`, `Value`
[INFO] [stdout]  --> examples/blue_red.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::{Result, Value};
[INFO] [stdout]   |                  ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_ray_tracing::shapes::base::Hitable`
[INFO] [stdout]   --> examples/blue_red.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use rust_ray_tracing::shapes::base::Hitable;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_ray_tracing::shapes::cylinder::Cylinder`
[INFO] [stdout]   --> examples/blue_red.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use rust_ray_tracing::shapes::cylinder::Cylinder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MovingSphere`
[INFO] [stdout]   --> examples/blue_red.rs:19:48
[INFO] [stdout]    |
[INFO] [stdout] 19 | use rust_ray_tracing::shapes::sphere::{Sphere, MovingSphere};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solve_quadratic`
[INFO] [stdout]   --> src/shapes/sphere.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::shapes::base::{solve_quadratic, Hitable};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]   --> src/vector.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::thread_rng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/vector.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]   --> src/vector.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::thread_rng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> src/vector.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solve_quadratic`
[INFO] [stdout]   --> src/shapes/sphere.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::shapes::base::{solve_quadratic, Hitable};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hit_rad` is assigned to, but never used
[INFO] [stdout]   --> src/shapes/cylinder.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_hit_rad` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `hit_rad` is never read
[INFO] [stdout]   --> src/shapes/cylinder.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[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/shapes/cylinder.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let u = phi / self.phi_max;
[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/shapes/cylinder.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let v = (orig_hit.z - oz_min) / (oz_max - oz_min);
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dndu`
[INFO] [stdout]    --> src/shapes/cylinder.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let dndu = &((f * F - e * G) * invEGF2 * dpdu +
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dndv`
[INFO] [stdout]    --> src/shapes/cylinder.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let dndv = &((g * F - f * G) * invEGF2 * dpdu +
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hit_rad` is assigned to, but never used
[INFO] [stdout]   --> src/shapes/cylinder.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_hit_rad` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `hit_rad` is never read
[INFO] [stdout]   --> src/shapes/cylinder.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[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/shapes/cylinder.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let u = phi / self.phi_max;
[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/shapes/cylinder.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let v = (orig_hit.z - oz_min) / (oz_max - oz_min);
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dndu`
[INFO] [stdout]    --> src/shapes/cylinder.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let dndu = &((f * F - e * G) * invEGF2 * dpdu +
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dndv`
[INFO] [stdout]    --> src/shapes/cylinder.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |             let dndv = &((g * F - f * G) * invEGF2 * dpdu +
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create`
[INFO] [stdout]   --> src/camera.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn create(
[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: `make_lambertian`
[INFO] [stdout]    --> src/material.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn make_lambertian(albedo: Colour) -> Material {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_metal`
[INFO] [stdout]    --> src/material.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn make_metal(albedo: Colour, fuzz: f32) -> Material {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_dielectric`
[INFO] [stdout]    --> src/material.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn make_dielectric(ref_idx: f32) -> Material {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot`
[INFO] [stdout]    --> src/vector.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub fn dot(l: &Vec3, r: &Vec3) -> f32 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cross`
[INFO] [stdout]    --> src/vector.rs:260:8
[INFO] [stdout]     |
[INFO] [stdout] 260 | pub fn cross(l: &Vec3, r: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unit_vector`
[INFO] [stdout]    --> src/vector.rs:268:8
[INFO] [stdout]     |
[INFO] [stdout] 268 | pub fn unit_vector(vec : &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `length`
[INFO] [stdout]   --> src/core/point.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn length(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `squared_length`
[INFO] [stdout]   --> src/core/point.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn squared_length(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Vector2i`
[INFO] [stdout]   --> src/core/vector.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub type Vector2i = Vector2T<i32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Vector2f`
[INFO] [stdout]   --> src/core/vector.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub type Vector2f = Vector2T<f32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Vector3i`
[INFO] [stdout]   --> src/core/vector.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub type Vector3i = Vector3T<i32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `length`
[INFO] [stdout]   --> src/core/vector.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn length<T>(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `squared_length`
[INFO] [stdout]   --> src/core/vector.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn squared_length<T>(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Normal2i`
[INFO] [stdout]   --> src/core/normal.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub type Normal2i = Normal2T<i32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Normal2f`
[INFO] [stdout]   --> src/core/normal.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub type Normal2f = Normal2T<f32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Normal3i`
[INFO] [stdout]   --> src/core/normal.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub type Normal3i = Normal3T<i32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot`
[INFO] [stdout]   --> src/core/normal.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn dot<T>(l: &Normal3T<T>, r: &Normal3T<T>) -> T
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Matrix4x4i`
[INFO] [stdout]   --> src/core/matrix.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub type Matrix4x4i = Matrix4x4<i32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transpose`
[INFO] [stdout]   --> src/core/matrix.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn transpose(self) -> Matrix4x4f {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `indentity`
[INFO] [stdout]   --> src/core/matrix.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn indentity() -> Matrix4x4f {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_translate`
[INFO] [stdout]   --> src/core/transforms.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn gen_translate(delta: Vector3f) -> Transform {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_scale`
[INFO] [stdout]   --> src/core/transforms.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn gen_scale(x: f32, y: f32, z: f32) -> Transform {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_rotate_x`
[INFO] [stdout]   --> src/core/transforms.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn gen_rotate_x(theta: f32) -> Transform {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_rotate_y`
[INFO] [stdout]   --> src/core/transforms.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn gen_rotate_y(theta: f32) -> Transform {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_rotate_z`
[INFO] [stdout]   --> src/core/transforms.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn gen_rotate_z(theta: f32) -> Transform {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_rotate`
[INFO] [stdout]    --> src/core/transforms.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn gen_rotate(theta: f32, axis: Vector3f) -> Transform {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot_nv`
[INFO] [stdout]   --> src/core/mod.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn dot_nv<T>(l: &Normal3T<T>, r: &Vector3T<T>) -> T
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot_nn`
[INFO] [stdout]   --> src/core/mod.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn dot_nn<T>(l: &Normal3T<T>, r: &Normal3T<T>) -> T
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `NTHREADS` should have a snake case name
[INFO] [stdout]    --> src/main.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let NTHREADS = num_cpus::get() as u32;
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `nthreads`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     io::stdin().read_to_string(&mut buffer);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `zMin` should have a snake case name
[INFO] [stdout]   --> src/shapes/cylinder.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub zMin: f32,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `z_min`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `zMax` should have a snake case name
[INFO] [stdout]   --> src/shapes/cylinder.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub zMax: f32,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `z_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `d2Pduu` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |             let d2Pduu = -self.phi_max * self.phi_max * Vector3f { x: orig_hit.x, y: orig_hit.y, z: 0.0 };
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `d2Pduv` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let d2Pduv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `d2Pdvv` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let d2Pdvv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pdvv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let E = dot_vv(&dpdu, &dpdu);
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let F = dot_vv(&dpdu, &dpdv);
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let G = dot_vv(&dpdv, &dpdv);
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let N = &cross(&dpdu, &dpdv).unit_vector();
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `invEGF2` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let invEGF2 = 1.0 / (E * G - F * F);
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `inv_egf2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot`
[INFO] [stdout]   --> src/core/normal.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn dot<T>(l: &Normal3T<T>, r: &Normal3T<T>) -> T
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_rotate`
[INFO] [stdout]    --> src/core/transforms.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn gen_rotate(theta: f32, axis: Vector3f) -> Transform {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `zMin` should have a snake case name
[INFO] [stdout]   --> src/shapes/cylinder.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub zMin: f32,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `z_min`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `zMax` should have a snake case name
[INFO] [stdout]   --> src/shapes/cylinder.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub zMax: f32,
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `z_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `d2Pduu` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |             let d2Pduu = -self.phi_max * self.phi_max * Vector3f { x: orig_hit.x, y: orig_hit.y, z: 0.0 };
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `d2Pduv` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let d2Pduv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `d2Pdvv` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let d2Pdvv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pdvv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let E = dot_vv(&dpdu, &dpdu);
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let F = dot_vv(&dpdu, &dpdv);
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let G = dot_vv(&dpdv, &dpdv);
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let N = &cross(&dpdu, &dpdv).unit_vector();
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `invEGF2` should have a snake case name
[INFO] [stdout]    --> src/shapes/cylinder.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let invEGF2 = 1.0 / (E * G - F * F);
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `inv_egf2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 50 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.58s
[INFO] running `Command { std: "docker" "inspect" "906c7e4ce17b8fa44139b05fce26de43800d0e3c8c6f86f881408a73adad87cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906c7e4ce17b8fa44139b05fce26de43800d0e3c8c6f86f881408a73adad87cf", kill_on_drop: false }`
[INFO] [stdout] 906c7e4ce17b8fa44139b05fce26de43800d0e3c8c6f86f881408a73adad87cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3dcc7fc5cd244c6c2920317bf5651760635874bc56c83d8e64d875841e09e4c
[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" "a3dcc7fc5cd244c6c2920317bf5651760635874bc56c83d8e64d875841e09e4c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand::thread_rng`
[INFO] [stderr]   --> src/vector.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rand::thread_rng;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/vector.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `solve_quadratic`
[INFO] [stderr]   --> src/shapes/sphere.rs:15:27
[INFO] [stderr]    |
[INFO] [stderr] 15 | use crate::shapes::base::{solve_quadratic, Hitable};
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `hit_rad` is assigned to, but never used
[INFO] [stderr]   --> src/shapes/cylinder.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |             let mut hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_hit_rad` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `hit_rad` is never read
[INFO] [stderr]   --> src/shapes/cylinder.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/shapes/cylinder.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |             let u = phi / self.phi_max;
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/shapes/cylinder.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |             let v = (orig_hit.z - oz_min) / (oz_max - oz_min);
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dndu`
[INFO] [stderr]    --> src/shapes/cylinder.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |             let dndu = &((f * F - e * G) * invEGF2 * dpdu +
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dndv`
[INFO] [stderr]    --> src/shapes/cylinder.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |             let dndv = &((g * F - f * G) * invEGF2 * dpdu +
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndv`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dot`
[INFO] [stderr]   --> src/core/normal.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn dot<T>(l: &Normal3T<T>, r: &Normal3T<T>) -> T
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_rotate`
[INFO] [stderr]    --> src/core/transforms.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn gen_rotate(theta: f32, axis: Vector3f) -> Transform {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `zMin` should have a snake case name
[INFO] [stderr]   --> src/shapes/cylinder.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub zMin: f32,
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `z_min`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `zMax` should have a snake case name
[INFO] [stderr]   --> src/shapes/cylinder.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub zMax: f32,
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `z_max`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `d2Pduu` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:131:17
[INFO] [stderr]     |
[INFO] [stderr] 131 |             let d2Pduu = -self.phi_max * self.phi_max * Vector3f { x: orig_hit.x, y: orig_hit.y, z: 0.0 };
[INFO] [stderr]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduu`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `d2Pduv` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:132:17
[INFO] [stderr]     |
[INFO] [stderr] 132 |             let d2Pduv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stderr]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `d2Pdvv` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:133:17
[INFO] [stderr]     |
[INFO] [stderr] 133 |             let d2Pdvv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stderr]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pdvv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:136:17
[INFO] [stderr]     |
[INFO] [stderr] 136 |             let E = dot_vv(&dpdu, &dpdu);
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `F` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let F = dot_vv(&dpdu, &dpdv);
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `G` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:138:17
[INFO] [stderr]     |
[INFO] [stderr] 138 |             let G = dot_vv(&dpdv, &dpdv);
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:139:17
[INFO] [stderr]     |
[INFO] [stderr] 139 |             let N = &cross(&dpdu, &dpdv).unit_vector();
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `invEGF2` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |             let invEGF2 = 1.0 / (E * G - F * F);
[INFO] [stderr]     |                 ^^^^^^^ help: convert the identifier to snake case: `inv_egf2`
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::thread_rng`
[INFO] [stderr]   --> src/vector.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rand::thread_rng;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/vector.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `solve_quadratic`
[INFO] [stderr]   --> src/shapes/sphere.rs:15:27
[INFO] [stderr]    |
[INFO] [stderr] 15 | use crate::shapes::base::{solve_quadratic, Hitable};
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `hit_rad` is assigned to, but never used
[INFO] [stderr]   --> src/shapes/cylinder.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |             let mut hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_hit_rad` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `hit_rad` is never read
[INFO] [stderr]   --> src/shapes/cylinder.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/shapes/cylinder.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |             let u = phi / self.phi_max;
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/shapes/cylinder.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |             let v = (orig_hit.z - oz_min) / (oz_max - oz_min);
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dndu`
[INFO] [stderr]    --> src/shapes/cylinder.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |             let dndu = &((f * F - e * G) * invEGF2 * dpdu +
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dndv`
[INFO] [stderr]    --> src/shapes/cylinder.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |             let dndv = &((g * F - f * G) * invEGF2 * dpdu +
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndv`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dot`
[INFO] [stderr]   --> src/core/normal.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn dot<T>(l: &Normal3T<T>, r: &Normal3T<T>) -> T
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_rotate`
[INFO] [stderr]    --> src/core/transforms.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn gen_rotate(theta: f32, axis: Vector3f) -> Transform {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `zMin` should have a snake case name
[INFO] [stderr]   --> src/shapes/cylinder.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub zMin: f32,
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `z_min`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `zMax` should have a snake case name
[INFO] [stderr]   --> src/shapes/cylinder.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub zMax: f32,
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `z_max`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `d2Pduu` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:131:17
[INFO] [stderr]     |
[INFO] [stderr] 131 |             let d2Pduu = -self.phi_max * self.phi_max * Vector3f { x: orig_hit.x, y: orig_hit.y, z: 0.0 };
[INFO] [stderr]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduu`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `d2Pduv` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:132:17
[INFO] [stderr]     |
[INFO] [stderr] 132 |             let d2Pduv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stderr]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `d2Pdvv` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:133:17
[INFO] [stderr]     |
[INFO] [stderr] 133 |             let d2Pdvv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stderr]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pdvv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:136:17
[INFO] [stderr]     |
[INFO] [stderr] 136 |             let E = dot_vv(&dpdu, &dpdu);
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `F` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let F = dot_vv(&dpdu, &dpdv);
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `G` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:138:17
[INFO] [stderr]     |
[INFO] [stderr] 138 |             let G = dot_vv(&dpdv, &dpdv);
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:139:17
[INFO] [stderr]     |
[INFO] [stderr] 139 |             let N = &cross(&dpdu, &dpdv).unit_vector();
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `invEGF2` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |             let invEGF2 = 1.0 / (E * G - F * F);
[INFO] [stderr]     |                 ^^^^^^^ help: convert the identifier to snake case: `inv_egf2`
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serialize`
[INFO] [stderr]  --> examples/blue_red.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use serde::{Serialize};
[INFO] [stderr]   |             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Result`, `Value`
[INFO] [stderr]  --> examples/blue_red.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | use serde_json::{Result, Value};
[INFO] [stderr]   |                  ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rust_ray_tracing::shapes::base::Hitable`
[INFO] [stderr]   --> examples/blue_red.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use rust_ray_tracing::shapes::base::Hitable;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rust_ray_tracing::shapes::cylinder::Cylinder`
[INFO] [stderr]   --> examples/blue_red.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use rust_ray_tracing::shapes::cylinder::Cylinder;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MovingSphere`
[INFO] [stderr]   --> examples/blue_red.rs:19:48
[INFO] [stderr]    |
[INFO] [stderr] 19 | use rust_ray_tracing::shapes::sphere::{Sphere, MovingSphere};
[INFO] [stderr]    |                                                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serialize`
[INFO] [stderr]  --> examples/cylinders.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use serde::{Serialize};
[INFO] [stderr]   |             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serialize`
[INFO] [stderr]  --> examples/3balls.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use serde::{Serialize};
[INFO] [stderr]   |             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Result`, `Value`
[INFO] [stderr]  --> examples/3balls.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | use serde_json::{Result, Value};
[INFO] [stderr]   |                  ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rust_ray_tracing::shapes::base::Hitable`
[INFO] [stderr]   --> examples/3balls.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use rust_ray_tracing::shapes::base::Hitable;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/bin/rust_ray_assemble.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, Read};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rust_ray_tracing::shapes::cylinder::Cylinder`
[INFO] [stderr]   --> examples/3balls.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use rust_ray_tracing::shapes::cylinder::Cylinder;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MovingSphere`
[INFO] [stderr]   --> examples/3balls.rs:19:48
[INFO] [stderr]    |
[INFO] [stderr] 19 | use rust_ray_tracing::shapes::sphere::{Sphere, MovingSphere};
[INFO] [stderr]    |                                                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serialize`
[INFO] [stderr]  --> examples/final_weekend.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 | use serde::{Serialize};
[INFO] [stderr]   |             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Result`, `Value`
[INFO] [stderr]  --> examples/final_weekend.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde_json::{Result, Value};
[INFO] [stderr]   |                  ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rust_ray_tracing::shapes::base::Hitable`
[INFO] [stderr]   --> examples/final_weekend.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use rust_ray_tracing::shapes::base::Hitable;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rust_ray_tracing::shapes::cylinder::Cylinder`
[INFO] [stderr]   --> examples/final_weekend.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use rust_ray_tracing::shapes::cylinder::Cylinder;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `solve_quadratic`
[INFO] [stderr]   --> src/shapes/sphere.rs:15:27
[INFO] [stderr]    |
[INFO] [stderr] 15 | use crate::shapes::base::{solve_quadratic, Hitable};
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::thread_rng`
[INFO] [stderr]   --> src/vector.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rand::thread_rng;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/vector.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `hit_rad` is assigned to, but never used
[INFO] [stderr]   --> src/shapes/cylinder.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |             let mut hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_hit_rad` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `hit_rad` is never read
[INFO] [stderr]   --> src/shapes/cylinder.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 hit_rad = (orig_hit.x * orig_hit.x + orig_hit.y * orig_hit.y).sqrt();
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/shapes/cylinder.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |             let u = phi / self.phi_max;
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/shapes/cylinder.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |             let v = (orig_hit.z - oz_min) / (oz_max - oz_min);
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dndu`
[INFO] [stderr]    --> src/shapes/cylinder.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |             let dndu = &((f * F - e * G) * invEGF2 * dpdu +
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dndv`
[INFO] [stderr]    --> src/shapes/cylinder.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |             let dndv = &((g * F - f * G) * invEGF2 * dpdu +
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dndv`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `create`
[INFO] [stderr]   --> src/camera.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn create(
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `make_lambertian`
[INFO] [stderr]    --> src/material.rs:144:12
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn make_lambertian(albedo: Colour) -> Material {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `make_metal`
[INFO] [stderr]    --> src/material.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn make_metal(albedo: Colour, fuzz: f32) -> Material {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `make_dielectric`
[INFO] [stderr]    --> src/material.rs:160:12
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn make_dielectric(ref_idx: f32) -> Material {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dot`
[INFO] [stderr]    --> src/vector.rs:256:8
[INFO] [stderr]     |
[INFO] [stderr] 256 | pub fn dot(l: &Vec3, r: &Vec3) -> f32 {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cross`
[INFO] [stderr]    --> src/vector.rs:260:8
[INFO] [stderr]     |
[INFO] [stderr] 260 | pub fn cross(l: &Vec3, r: &Vec3) -> Vec3 {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unit_vector`
[INFO] [stderr]    --> src/vector.rs:268:8
[INFO] [stderr]     |
[INFO] [stderr] 268 | pub fn unit_vector(vec : &Vec3) -> Vec3 {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `length`
[INFO] [stderr]   --> src/core/point.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn length(&self) -> f32 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `squared_length`
[INFO] [stderr]   --> src/core/point.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn squared_length(&self) -> f32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Vector2i`
[INFO] [stderr]   --> src/core/vector.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub type Vector2i = Vector2T<i32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Vector2f`
[INFO] [stderr]   --> src/core/vector.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub type Vector2f = Vector2T<f32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Vector3i`
[INFO] [stderr]   --> src/core/vector.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub type Vector3i = Vector3T<i32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `length`
[INFO] [stderr]   --> src/core/vector.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn length<T>(&self) -> f32 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `squared_length`
[INFO] [stderr]   --> src/core/vector.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn squared_length<T>(&self) -> f32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Normal2i`
[INFO] [stderr]   --> src/core/normal.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub type Normal2i = Normal2T<i32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Normal2f`
[INFO] [stderr]   --> src/core/normal.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub type Normal2f = Normal2T<f32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Normal3i`
[INFO] [stderr]   --> src/core/normal.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub type Normal3i = Normal3T<i32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dot`
[INFO] [stderr]   --> src/core/normal.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn dot<T>(l: &Normal3T<T>, r: &Normal3T<T>) -> T
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Matrix4x4i`
[INFO] [stderr]   --> src/core/matrix.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub type Matrix4x4i = Matrix4x4<i32>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `transpose`
[INFO] [stderr]   --> src/core/matrix.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn transpose(self) -> Matrix4x4f {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `indentity`
[INFO] [stderr]   --> src/core/matrix.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn indentity() -> Matrix4x4f {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_translate`
[INFO] [stderr]   --> src/core/transforms.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn gen_translate(delta: Vector3f) -> Transform {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_scale`
[INFO] [stderr]   --> src/core/transforms.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn gen_scale(x: f32, y: f32, z: f32) -> Transform {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_rotate_x`
[INFO] [stderr]   --> src/core/transforms.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn gen_rotate_x(theta: f32) -> Transform {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_rotate_y`
[INFO] [stderr]   --> src/core/transforms.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn gen_rotate_y(theta: f32) -> Transform {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_rotate_z`
[INFO] [stderr]   --> src/core/transforms.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub fn gen_rotate_z(theta: f32) -> Transform {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_rotate`
[INFO] [stderr]    --> src/core/transforms.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn gen_rotate(theta: f32, axis: Vector3f) -> Transform {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dot_nv`
[INFO] [stderr]   --> src/core/mod.rs:72:8
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn dot_nv<T>(l: &Normal3T<T>, r: &Vector3T<T>) -> T
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dot_nn`
[INFO] [stderr]   --> src/core/mod.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn dot_nn<T>(l: &Normal3T<T>, r: &Normal3T<T>) -> T
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `NTHREADS` should have a snake case name
[INFO] [stderr]    --> src/main.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let NTHREADS = num_cpus::get() as u32;
[INFO] [stderr]     |         ^^^^^^^^ help: convert the identifier to snake case: `nthreads`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     io::stdin().read_to_string(&mut buffer);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `zMin` should have a snake case name
[INFO] [stderr]   --> src/shapes/cylinder.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub zMin: f32,
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `z_min`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `zMax` should have a snake case name
[INFO] [stderr]   --> src/shapes/cylinder.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub zMax: f32,
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `z_max`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `d2Pduu` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:131:17
[INFO] [stderr]     |
[INFO] [stderr] 131 |             let d2Pduu = -self.phi_max * self.phi_max * Vector3f { x: orig_hit.x, y: orig_hit.y, z: 0.0 };
[INFO] [stderr]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduu`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `d2Pduv` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:132:17
[INFO] [stderr]     |
[INFO] [stderr] 132 |             let d2Pduv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stderr]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pduv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `d2Pdvv` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:133:17
[INFO] [stderr]     |
[INFO] [stderr] 133 |             let d2Pdvv = Vector3f { x: 0.0, y: 0.0, z: 0.0 };
[INFO] [stderr]     |                 ^^^^^^ help: convert the identifier to snake case: `d2_pdvv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:136:17
[INFO] [stderr]     |
[INFO] [stderr] 136 |             let E = dot_vv(&dpdu, &dpdu);
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `F` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let F = dot_vv(&dpdu, &dpdv);
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `G` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:138:17
[INFO] [stderr]     |
[INFO] [stderr] 138 |             let G = dot_vv(&dpdv, &dpdv);
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `g`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:139:17
[INFO] [stderr]     |
[INFO] [stderr] 139 |             let N = &cross(&dpdu, &dpdv).unit_vector();
[INFO] [stderr]     |                 ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `invEGF2` should have a snake case name
[INFO] [stderr]    --> src/shapes/cylinder.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |             let invEGF2 = 1.0 / (E * G - F * F);
[INFO] [stderr]     |                 ^^^^^^^ help: convert the identifier to snake case: `inv_egf2`
[INFO] [stderr] 
[INFO] [stderr] warning: 50 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Result`, `Value`
[INFO] [stderr]  --> examples/cylinders.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | use serde_json::{Result, Value};
[INFO] [stderr]   |                  ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rust_ray_tracing::shapes::base::Hitable`
[INFO] [stderr]   --> examples/cylinders.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use rust_ray_tracing::shapes::base::Hitable;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MovingSphere`, `Sphere`
[INFO] [stderr]   --> examples/cylinders.rs:19:40
[INFO] [stderr]    |
[INFO] [stderr] 19 | use rust_ray_tracing::shapes::sphere::{Sphere, MovingSphere};
[INFO] [stderr]    |                                        ^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_ray_tracing-428c880a6e9bbc97
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_ray_assemble-d6b79af8300592f5
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_ray_tracing-5798cd52af1d9dc7
[INFO] [stderr]    Doc-tests rust_ray_tracing
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a3dcc7fc5cd244c6c2920317bf5651760635874bc56c83d8e64d875841e09e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3dcc7fc5cd244c6c2920317bf5651760635874bc56c83d8e64d875841e09e4c", kill_on_drop: false }`
[INFO] [stdout] a3dcc7fc5cd244c6c2920317bf5651760635874bc56c83d8e64d875841e09e4c
