[INFO] cloning repository https://github.com/dominicchui/voxel-carving
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dominicchui/voxel-carving" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdominicchui%2Fvoxel-carving", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdominicchui%2Fvoxel-carving'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cac365198526713de8fd7f05838ca7d050ee461f
[INFO] building dominicchui/voxel-carving against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdominicchui%2Fvoxel-carving" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dominicchui/voxel-carving
[INFO] finished tweaking git repo https://github.com/dominicchui/voxel-carving
[INFO] tweaked toml for git repo https://github.com/dominicchui/voxel-carving written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dominicchui/voxel-carving on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dominicchui/voxel-carving already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4db5f67a142c9f85858b72572327ad855f4af5b5d078c1992c670e021788fa7
[INFO] running `Command { std: "docker" "start" "-a" "c4db5f67a142c9f85858b72572327ad855f4af5b5d078c1992c670e021788fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4db5f67a142c9f85858b72572327ad855f4af5b5d078c1992c670e021788fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4db5f67a142c9f85858b72572327ad855f4af5b5d078c1992c670e021788fa7", kill_on_drop: false }`
[INFO] [stdout] c4db5f67a142c9f85858b72572327ad855f4af5b5d078c1992c670e021788fa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0051e610dc1436cdf785032e68bbe57f39042be7758a37e75b2b852b3423a282
[INFO] running `Command { std: "docker" "start" "-a" "0051e610dc1436cdf785032e68bbe57f39042be7758a37e75b2b852b3423a282", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.17.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling built v0.7.4
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling v_frame v0.3.8
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling flate2 v1.0.32
[INFO] [stderr]    Compiling safe_arch v0.7.2
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling bitstream-io v2.5.2
[INFO] [stderr]    Compiling wide v0.7.28
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling avif-serialize v0.8.1
[INFO] [stderr]    Compiling rgb v0.8.48
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling av1-grain v0.2.3
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling exr v1.72.0
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling image-webp v0.1.3
[INFO] [stderr]    Compiling png v0.17.13
[INFO] [stderr]    Compiling simba v0.9.0
[INFO] [stderr]    Compiling zune-jpeg v0.4.13
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling ordered-float v4.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling profiling-procmacros v1.0.15
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]    Compiling profiling v1.0.15
[INFO] [stderr]    Compiling nalgebra v0.33.0
[INFO] [stderr]    Compiling ravif v0.11.10
[INFO] [stderr]    Compiling image v0.25.2
[INFO] [stderr]    Compiling voxel_carving v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Perspective3`
[INFO] [stdout]  --> src/camera.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nalgebra::{Isometry3, Matrix4, Perspective3, Point3, Vector3};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RESOLUTION` and `Voxel`
[INFO] [stdout]  --> src/raytracer.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 |     voxel::{find_cube_intersect, Voxel, VoxelBlock},
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout] 6 |     RESOLUTION,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image_5`
[INFO] [stdout]    --> src/scene_generator.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let image_5 = Image::new_from_file(
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_image_5`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image_6`
[INFO] [stdout]    --> src/scene_generator.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let image_6 = Image::new_from_file(
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_image_6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image_7`
[INFO] [stdout]    --> src/scene_generator.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let image_7 = Image::new_from_file(
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_image_7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image_8`
[INFO] [stdout]    --> src/scene_generator.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let image_8 = Image::new_from_file(
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_image_8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/camera.rs:5:16
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub(crate) struct Camera {
[INFO] [stdout]    |                   ------ fields in this struct
[INFO] [stdout]  5 |     pub(crate) width: usize,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]  6 |     pub(crate) height: usize,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  9 |     pub(crate) up: Vector3<f32>,
[INFO] [stdout]    |                ^^
[INFO] [stdout] 10 |     pub(crate) height_angle: f32,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 11 |     pub(crate) view_matrix: Matrix4<f32>,
[INFO] [stdout] 12 |     pub(crate) inv_view_matrix: Matrix4<f32>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     pub(crate) proj_matrix: Matrix4<f32>,
[INFO] [stdout] 14 |     near: f32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     far: f32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Camera` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_aspect_ratio` is never used
[INFO] [stdout]   --> src/camera.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Camera {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn get_aspect_ratio(&self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ProjectedColor` is never used
[INFO] [stdout]   --> src/carver.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum ProjectedColor {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LightType` is never used
[INFO] [stdout]  --> src/raytracer.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) enum LightType {
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SceneLightData` is never constructed
[INFO] [stdout]   --> src/raytracer.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) struct SceneLightData {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ray` is never constructed
[INFO] [stdout]   --> src/raytracer.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) struct Ray {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_ray` is never used
[INFO] [stdout]   --> src/raytracer.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub(crate) fn generate_ray(i: usize, j: usize, k: f32, camera: &Camera) -> Ray {
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_ray_direct` is never used
[INFO] [stdout]   --> src/raytracer.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub(crate) fn generate_ray_direct(x: f32, y: f32, z: f32, camera: &Camera) -> Ray {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_ray_dir_for_pixel` is never used
[INFO] [stdout]   --> src/raytracer.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn get_ray_dir_for_pixel(i: usize, j: usize, k: f32, camera: &Camera) -> Vector4<f32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trace_ray` is never used
[INFO] [stdout]   --> src/raytracer.rs:60:15
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) fn trace_ray(
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_closest_intersection` is never used
[INFO] [stdout]   --> src/raytracer.rs:70:15
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub(crate) fn find_closest_intersection(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `three_cylinders` is never used
[INFO] [stdout]  --> src/scene_generator.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) fn three_cylinders() -> Vec<Image> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cone` is never used
[INFO] [stdout]    --> src/scene_generator.rs:106:15
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub(crate) fn cone() -> Vec<Image> {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `voxel_length` is never used
[INFO] [stdout]    --> src/voxel.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout]  67 | impl VoxelBlock {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn voxel_length(&self) -> f32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_cube_intersect` is never used
[INFO] [stdout]    --> src/voxel.rs:327:15
[INFO] [stdout]     |
[INFO] [stdout] 327 | pub(crate) fn find_cube_intersect(
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_cube_t` is never used
[INFO] [stdout]    --> src/voxel.rs:364:15
[INFO] [stdout]     |
[INFO] [stdout] 364 | pub(crate) fn is_valid_cube_t(p: Vector4<f32>, d: Vector4<f32>, t: f32) -> bool {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "0051e610dc1436cdf785032e68bbe57f39042be7758a37e75b2b852b3423a282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0051e610dc1436cdf785032e68bbe57f39042be7758a37e75b2b852b3423a282", kill_on_drop: false }`
[INFO] [stdout] 0051e610dc1436cdf785032e68bbe57f39042be7758a37e75b2b852b3423a282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 586108570c8e92aba6e74757429c27a1cd21af5180629465bc08122d0cf88fe6
[INFO] running `Command { std: "docker" "start" "-a" "586108570c8e92aba6e74757429c27a1cd21af5180629465bc08122d0cf88fe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling voxel_carving v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Perspective3`
[INFO] [stdout]  --> src/camera.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nalgebra::{Isometry3, Matrix4, Perspective3, Point3, Vector3};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nalgebra::Vector3`
[INFO] [stdout]    --> src/carver.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     use nalgebra::Vector3;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RESOLUTION` and `Voxel`
[INFO] [stdout]  --> src/raytracer.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 |     voxel::{find_cube_intersect, Voxel, VoxelBlock},
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout] 6 |     RESOLUTION,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Perspective3`, `Point3`, and `Vector3`
[INFO] [stdout]    --> src/raytracer.rs:131:20
[INFO] [stdout]     |
[INFO] [stdout] 131 |     use nalgebra::{Perspective3, Point3, Vector3, Vector4};
[INFO] [stdout]     |                    ^^^^^^^^^^^^  ^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/raytracer.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let mut voxel_block = VoxelBlock::new(2, 2);
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image_5`
[INFO] [stdout]    --> src/scene_generator.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let image_5 = Image::new_from_file(
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_image_5`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image_6`
[INFO] [stdout]    --> src/scene_generator.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let image_6 = Image::new_from_file(
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_image_6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image_7`
[INFO] [stdout]    --> src/scene_generator.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let image_7 = Image::new_from_file(
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_image_7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image_8`
[INFO] [stdout]    --> src/scene_generator.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let image_8 = Image::new_from_file(
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_image_8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up`, `near`, and `far` are never read
[INFO] [stdout]   --> src/camera.rs:9:16
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub(crate) struct Camera {
[INFO] [stdout]    |                   ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  9 |     pub(crate) up: Vector3<f32>,
[INFO] [stdout]    |                ^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     near: f32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     far: f32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Camera` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LightType` is never used
[INFO] [stdout]  --> src/raytracer.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) enum LightType {
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SceneLightData` is never constructed
[INFO] [stdout]   --> src/raytracer.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) struct SceneLightData {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `three_cylinders` is never used
[INFO] [stdout]  --> src/scene_generator.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) fn three_cylinders() -> Vec<Image> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `voxel_length` is never used
[INFO] [stdout]    --> src/voxel.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout]  67 | impl VoxelBlock {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn voxel_length(&self) -> f32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ProjectedColor` is never used
[INFO] [stdout]   --> src/carver.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum ProjectedColor {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "586108570c8e92aba6e74757429c27a1cd21af5180629465bc08122d0cf88fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586108570c8e92aba6e74757429c27a1cd21af5180629465bc08122d0cf88fe6", kill_on_drop: false }`
[INFO] [stdout] 586108570c8e92aba6e74757429c27a1cd21af5180629465bc08122d0cf88fe6