[INFO] cloning repository https://github.com/Hugsim/ray_tracing
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hugsim/ray_tracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHugsim%2Fray_tracing"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHugsim%2Fray_tracing'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 597a85cfab657ec00ab1f2e094e2c83235dec05a
[INFO] checking Hugsim/ray_tracing against master#450abe80f193ccefbfcd48214d70520f2d507f0e for pr-73084
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHugsim%2Fray_tracing" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hugsim/ray_tracing on toolchain 450abe80f193ccefbfcd48214d70520f2d507f0e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Hugsim/ray_tracing
[INFO] finished tweaking git repo https://github.com/Hugsim/ray_tracing
[INFO] tweaked toml for git repo https://github.com/Hugsim/ray_tracing written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Hugsim/ray_tracing already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4ec8bbf84f451ebaad74b9a460ed10f6a1b75ae6a5a04bc71b0746ba578c769a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4ec8bbf84f451ebaad74b9a460ed10f6a1b75ae6a5a04bc71b0746ba578c769a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking png v0.16.4
[INFO] [stderr]     Checking rayon-core v1.7.0
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[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]     Checking ray_tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `camera::*`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use camera::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `material::*`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use material::*;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `aabb::*`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use aabb::*;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bvh::*`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use bvh::*;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `texture::*`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | use texture::*;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `perlin::*`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | use perlin::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `camera::*`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use camera::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `material::*`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use material::*;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `aabb::*`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use aabb::*;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bvh::*`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use bvh::*;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `texture::*`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | use texture::*;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `perlin::*`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | use perlin::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]    --> src/hit.rs:127:28
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn bounding_box(&self, t0: f64, t1: f64) -> Option<Aabb> {
[INFO] [stderr]     |                            ^^ help: if this is intentional, prefix it with an underscore: `_t0`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]    --> src/hit.rs:127:37
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn bounding_box(&self, t0: f64, t1: f64) -> Option<Aabb> {
[INFO] [stderr]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_min`
[INFO] [stderr]   --> src/scenes.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn perlin_test(t_min: f64, t_max: f64) -> Objects {
[INFO] [stderr]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_min`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_max`
[INFO] [stderr]   --> src/scenes.rs:12:32
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn perlin_test(t_min: f64, t_max: f64) -> Objects {
[INFO] [stderr]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_max`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_min`
[INFO] [stderr]   --> src/scenes.rs:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn final_scene_1(t_min: f64, t_max: f64) -> Objects {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_min`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_max`
[INFO] [stderr]   --> src/scenes.rs:37:34
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn final_scene_1(t_min: f64, t_max: f64) -> Objects {
[INFO] [stderr]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_max`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]    --> src/bvh.rs:133:28
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn bounding_box(&self, t0: f64, t1: f64) -> Option<Aabb> {
[INFO] [stderr]     |                            ^^ help: if this is intentional, prefix it with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]    --> src/bvh.rs:133:37
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn bounding_box(&self, t0: f64, t1: f64) -> Option<Aabb> {
[INFO] [stderr]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/perlin.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         for i in 0..PERLIN_POINT_COUNT {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ijk`
[INFO] [stderr]   --> src/perlin.rs:74:25
[INFO] [stderr]    |
[INFO] [stderr] 74 |                     let ijk = Vec3::new(i as f64, j as f64, k as f64);
[INFO] [stderr]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ijk`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]    --> src/hit.rs:127:28
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn bounding_box(&self, t0: f64, t1: f64) -> Option<Aabb> {
[INFO] [stderr]     |                            ^^ help: if this is intentional, prefix it with an underscore: `_t0`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]    --> src/hit.rs:127:37
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fn bounding_box(&self, t0: f64, t1: f64) -> Option<Aabb> {
[INFO] [stderr]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_min`
[INFO] [stderr]   --> src/scenes.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn perlin_test(t_min: f64, t_max: f64) -> Objects {
[INFO] [stderr]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_min`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_max`
[INFO] [stderr]   --> src/scenes.rs:12:32
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn perlin_test(t_min: f64, t_max: f64) -> Objects {
[INFO] [stderr]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_max`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_min`
[INFO] [stderr]   --> src/scenes.rs:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn final_scene_1(t_min: f64, t_max: f64) -> Objects {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_min`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_max`
[INFO] [stderr]   --> src/scenes.rs:37:34
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn final_scene_1(t_min: f64, t_max: f64) -> Objects {
[INFO] [stderr]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_max`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]    --> src/bvh.rs:133:28
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn bounding_box(&self, t0: f64, t1: f64) -> Option<Aabb> {
[INFO] [stderr]     |                            ^^ help: if this is intentional, prefix it with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]    --> src/bvh.rs:133:37
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn bounding_box(&self, t0: f64, t1: f64) -> Option<Aabb> {
[INFO] [stderr]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/perlin.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         for i in 0..PERLIN_POINT_COUNT {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ijk`
[INFO] [stderr]   --> src/perlin.rs:74:25
[INFO] [stderr]    |
[INFO] [stderr] 74 |                     let ijk = Vec3::new(i as f64, j as f64, k as f64);
[INFO] [stderr]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ijk`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rand_colour`
[INFO] [stderr]    --> src/colour.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 | pub fn rand_colour() -> Colour {    
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_vec_in_hemisphere`
[INFO] [stderr]    --> src/vec3.rs:155:8
[INFO] [stderr]     |
[INFO] [stderr] 155 | pub fn random_vec_in_hemisphere(normal: &Vec3) -> Vec3 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/hit.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn new(centre: Pos3, radius: f64, material: Material) -> Sphere {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/hit.rs:144:12
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn new(vel: Vec3, obj: O) -> LinearMove<O> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Metal`
[INFO] [stderr]   --> src/material.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     Metal {
[INFO] [stderr] 14 | |         albedo: Colour,
[INFO] [stderr] 15 | |         fuzziness: f64,
[INFO] [stderr] 16 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rand_colour`
[INFO] [stderr]    --> src/colour.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 | pub fn rand_colour() -> Colour {    
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dielectric`
[INFO] [stderr]   --> src/material.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     Dielectric {
[INFO] [stderr] 18 | |         refractive_index: f64,
[INFO] [stderr] 19 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_vec_in_hemisphere`
[INFO] [stderr]    --> src/vec3.rs:155:8
[INFO] [stderr]     |
[INFO] [stderr] 155 | pub fn random_vec_in_hemisphere(normal: &Vec3) -> Vec3 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/hit.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn new(centre: Pos3, radius: f64, material: Material) -> Sphere {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/hit.rs:144:12
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn new(vel: Vec3, obj: O) -> LinearMove<O> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Metal`
[INFO] [stderr]   --> src/material.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     Metal {
[INFO] [stderr] 14 | |         albedo: Colour,
[INFO] [stderr] 15 | |         fuzziness: f64,
[INFO] [stderr] 16 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dielectric`
[INFO] [stderr]   --> src/material.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     Dielectric {
[INFO] [stderr] 18 | |         refractive_index: f64,
[INFO] [stderr] 19 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `final_scene_1`
[INFO] [stderr]   --> src/scenes.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn final_scene_1(t_min: f64, t_max: f64) -> Objects {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `final_scene_1`
[INFO] [stderr]   --> src/scenes.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn final_scene_1(t_min: f64, t_max: f64) -> Objects {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_bvh`
[INFO] [stderr]    --> src/scenes.rs:138:8
[INFO] [stderr]     |
[INFO] [stderr] 138 | pub fn test_bvh(t_min: f64, t_max: f64) -> Objects {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `three_different_objects`
[INFO] [stderr]    --> src/scenes.rs:243:8
[INFO] [stderr]     |
[INFO] [stderr] 243 | pub fn three_different_objects() -> Objects {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `two_touching_objects`
[INFO] [stderr]    --> src/scenes.rs:306:8
[INFO] [stderr]     |
[INFO] [stderr] 306 | pub fn two_touching_objects() -> Objects {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Leaf`
[INFO] [stderr]  --> src/bvh.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Leaf(Box<dyn Hit>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Node`
[INFO] [stderr]   --> src/bvh.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | /     Node {
[INFO] [stderr] 9  | |         left: Box<Bvh>,
[INFO] [stderr] 10 | |         right: Box<Bvh>
[INFO] [stderr] 11 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]   --> src/bvh.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     size: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/bvh.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new(mut world: Objects, t_min: f64, t_max: f64) -> Bvh {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `range_on_axis`
[INFO] [stderr]   --> src/bvh.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |         fn range_on_axis(world: &[Box<dyn Hit>], t_min: f64, t_max: f64, axis: usize) -> f64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solid_colour`
[INFO] [stderr]  --> src/texture.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn solid_colour(col: Colour) -> Texture {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `checkered`
[INFO] [stderr]   --> src/texture.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn checkered(t1: Texture, t2: Texture) -> Texture {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_bvh`
[INFO] [stderr]    --> src/scenes.rs:138:8
[INFO] [stderr]     |
[INFO] [stderr] 138 | pub fn test_bvh(t_min: f64, t_max: f64) -> Objects {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `three_different_objects`
[INFO] [stderr]    --> src/scenes.rs:243:8
[INFO] [stderr]     |
[INFO] [stderr] 243 | pub fn three_different_objects() -> Objects {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `two_touching_objects`
[INFO] [stderr]    --> src/scenes.rs:306:8
[INFO] [stderr]     |
[INFO] [stderr] 306 | pub fn two_touching_objects() -> Objects {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Leaf`
[INFO] [stderr]  --> src/bvh.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Leaf(Box<dyn Hit>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Node`
[INFO] [stderr]   --> src/bvh.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | /     Node {
[INFO] [stderr] 9  | |         left: Box<Bvh>,
[INFO] [stderr] 10 | |         right: Box<Bvh>
[INFO] [stderr] 11 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]   --> src/bvh.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     size: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/bvh.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new(mut world: Objects, t_min: f64, t_max: f64) -> Bvh {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `range_on_axis`
[INFO] [stderr]   --> src/bvh.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |         fn range_on_axis(world: &[Box<dyn Hit>], t_min: f64, t_max: f64, axis: usize) -> f64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solid_colour`
[INFO] [stderr]  --> src/texture.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn solid_colour(col: Colour) -> Texture {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `checkered`
[INFO] [stderr]   --> src/texture.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn checkered(t1: Texture, t2: Texture) -> Texture {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.68s
[INFO] running `"docker" "inspect" "4ec8bbf84f451ebaad74b9a460ed10f6a1b75ae6a5a04bc71b0746ba578c769a"`
[INFO] running `"docker" "rm" "-f" "4ec8bbf84f451ebaad74b9a460ed10f6a1b75ae6a5a04bc71b0746ba578c769a"`
[INFO] [stdout] 4ec8bbf84f451ebaad74b9a460ed10f6a1b75ae6a5a04bc71b0746ba578c769a