[INFO] updating cached repository https://github.com/fralken/ray-tracing-the-next-week
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 642fc67fa9391630e380c635d674e03b02b39aa2
[INFO] checking fralken/ray-tracing-the-next-week against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffralken%2Fray-tracing-the-next-week" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  60% (25/41)   
Checking out files:  63% (26/41)   
Checking out files:  65% (27/41)   
Checking out files:  68% (28/41)   
Checking out files:  70% (29/41)   
Checking out files:  73% (30/41)   
Checking out files:  75% (31/41)   
Checking out files:  78% (32/41)   
Checking out files:  80% (33/41)   
Checking out files:  82% (34/41)   
Checking out files:  85% (35/41)   
Checking out files:  87% (36/41)   
Checking out files:  90% (37/41)   
Checking out files:  92% (38/41)   
Checking out files:  95% (39/41)   
Checking out files:  97% (40/41)   
Checking out files: 100% (41/41)   
Checking out files: 100% (41/41), done.
[INFO] validating manifest of git repo https://github.com/fralken/ray-tracing-the-next-week on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fralken/ray-tracing-the-next-week
[INFO] finished tweaking git repo https://github.com/fralken/ray-tracing-the-next-week
[INFO] tweaked toml for git repo https://github.com/fralken/ray-tracing-the-next-week written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/fralken/ray-tracing-the-next-week already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 17fc58154b70ca0d6a2fe4941b8e08629754c36e84d7342d79b9a59b6b1eeed7
[INFO] running `"docker" "start" "-a" "17fc58154b70ca0d6a2fe4941b8e08629754c36e84d7342d79b9a59b6b1eeed7"`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]     Checking num-complex v0.2.1
[INFO] [stderr]     Checking alga v0.9.0
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking ray-tracing-the-next-week v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub material: &'a Material
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |     list: Vec<Box<Hitable>>
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:10:14
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Leaf(Box<Hitable>)
[INFO] [stderr]    |              ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:19:37
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new(mut hitable: Vec<Box<Hitable>>, time0: f32, time1: f32) -> Self {
[INFO] [stderr]    |                                     ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:20:80
[INFO] [stderr]    |
[INFO] [stderr] 20 |         fn box_compare(time0: f32, time1: f32, axis: usize) -> impl FnMut(&Box<Hitable>, &Box<Hitable>) -> Ordering {
[INFO] [stderr]    |                                                                                ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:20:95
[INFO] [stderr]    |
[INFO] [stderr] 20 |         fn box_compare(time0: f32, time1: f32, axis: usize) -> impl FnMut(&Box<Hitable>, &Box<Hitable>) -> Ordering {
[INFO] [stderr]    |                                                                                               ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub material: &'a Material
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |     list: Vec<Box<Hitable>>
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:10:14
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Leaf(Box<Hitable>)
[INFO] [stderr]    |              ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:19:37
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new(mut hitable: Vec<Box<Hitable>>, time0: f32, time1: f32) -> Self {
[INFO] [stderr]    |                                     ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:20:80
[INFO] [stderr]    |
[INFO] [stderr] 20 |         fn box_compare(time0: f32, time1: f32, axis: usize) -> impl FnMut(&Box<Hitable>, &Box<Hitable>) -> Ordering {
[INFO] [stderr]    |                                                                                ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:20:95
[INFO] [stderr]    |
[INFO] [stderr] 20 |         fn box_compare(time0: f32, time1: f32, axis: usize) -> impl FnMut(&Box<Hitable>, &Box<Hitable>) -> Ordering {
[INFO] [stderr]    |                                                                                               ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:34:41
[INFO] [stderr]    |
[INFO] [stderr] 34 |         fn axis_range(hitable: &Vec<Box<Hitable>>, time0: f32, time1: f32, axis: usize) -> f32 {
[INFO] [stderr]    |                                         ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:34:26
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn random_scene() -> Box<Hitable> {
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:34:41
[INFO] [stderr]    |
[INFO] [stderr] 34 |         fn axis_range(hitable: &Vec<Box<Hitable>>, time0: f32, time1: f32, axis: usize) -> f32 {
[INFO] [stderr]    |                                         ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:34:26
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn random_scene() -> Box<Hitable> {
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:37:28
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut world: Vec<Box<Hitable>> = Vec::new();
[INFO] [stderr]    |                            ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:66:25
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn two_spheres() -> Box<Hitable> {
[INFO] [stderr]    |                         ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:74:32
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn two_perlin_spheres() -> Box<Hitable> {
[INFO] [stderr]    |                                ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:82:19
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn earth() -> Box<Hitable> {
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:37:28
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut world: Vec<Box<Hitable>> = Vec::new();
[INFO] [stderr]    |                            ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:91:26
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn simple_light() -> Box<Hitable> {
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:66:25
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn two_spheres() -> Box<Hitable> {
[INFO] [stderr]    |                         ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:101:25
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn cornell_box() -> Box<Hitable> {
[INFO] [stderr]     |                         ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:74:32
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn two_perlin_spheres() -> Box<Hitable> {
[INFO] [stderr]    |                                ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:128:27
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn cornell_smoke() -> Box<Hitable> {
[INFO] [stderr]     |                           ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:82:19
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn earth() -> Box<Hitable> {
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:91:26
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn simple_light() -> Box<Hitable> {
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:101:25
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn cornell_box() -> Box<Hitable> {
[INFO] [stderr]     |                         ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:128:27
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn cornell_smoke() -> Box<Hitable> {
[INFO] [stderr]     |                           ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:157:25
[INFO] [stderr]     |
[INFO] [stderr] 157 | fn final_scene() -> Box<Hitable> {
[INFO] [stderr]     |                         ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:162:32
[INFO] [stderr]     |
[INFO] [stderr] 162 |     let mut box_list1: Vec<Box<Hitable>> = Vec::new();
[INFO] [stderr]     |                                ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:194:32
[INFO] [stderr]     |
[INFO] [stderr] 194 |     let mut box_list2: Vec<Box<Hitable>> = Vec::new();
[INFO] [stderr]     |                                ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:209:33
[INFO] [stderr]     |
[INFO] [stderr] 209 | fn color(ray: &Ray, world: &Box<Hitable>, depth: i32) -> Vector3<f32> {
[INFO] [stderr]     |                                 ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:157:25
[INFO] [stderr]     |
[INFO] [stderr] 157 | fn final_scene() -> Box<Hitable> {
[INFO] [stderr]     |                         ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:162:32
[INFO] [stderr]     |
[INFO] [stderr] 162 |     let mut box_list1: Vec<Box<Hitable>> = Vec::new();
[INFO] [stderr]     |                                ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:194:32
[INFO] [stderr]     |
[INFO] [stderr] 194 |     let mut box_list2: Vec<Box<Hitable>> = Vec::new();
[INFO] [stderr]     |                                ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:209:33
[INFO] [stderr]     |
[INFO] [stderr] 209 | fn color(ray: &Ray, world: &Box<Hitable>, depth: i32) -> Vector3<f32> {
[INFO] [stderr]     |                                 ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/texture.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(odd: T, even: U) -> Self { CheckerTexture { odd, even } }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `X`
[INFO] [stderr]  --> src/rotate.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     X,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Z`
[INFO] [stderr]   --> src/rotate.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Z
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_scene`
[INFO] [stderr]   --> src/main.rs:34:4
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn random_scene() -> Box<Hitable> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `two_spheres`
[INFO] [stderr]   --> src/main.rs:66:4
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn two_spheres() -> Box<Hitable> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `two_perlin_spheres`
[INFO] [stderr]   --> src/main.rs:74:4
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn two_perlin_spheres() -> Box<Hitable> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `earth`
[INFO] [stderr]   --> src/main.rs:82:4
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn earth() -> Box<Hitable> {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simple_light`
[INFO] [stderr]   --> src/main.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn simple_light() -> Box<Hitable> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cornell_box`
[INFO] [stderr]    --> src/main.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn cornell_box() -> Box<Hitable> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cornell_smoke`
[INFO] [stderr]    --> src/main.rs:128:4
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn cornell_smoke() -> Box<Hitable> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/texture.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(odd: T, even: U) -> Self { CheckerTexture { odd, even } }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `X`
[INFO] [stderr]  --> src/rotate.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     X,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Z`
[INFO] [stderr]   --> src/rotate.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Z
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_scene`
[INFO] [stderr]   --> src/main.rs:34:4
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn random_scene() -> Box<Hitable> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `two_spheres`
[INFO] [stderr]   --> src/main.rs:66:4
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn two_spheres() -> Box<Hitable> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `two_perlin_spheres`
[INFO] [stderr]   --> src/main.rs:74:4
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn two_perlin_spheres() -> Box<Hitable> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `earth`
[INFO] [stderr]   --> src/main.rs:82:4
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn earth() -> Box<Hitable> {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simple_light`
[INFO] [stderr]   --> src/main.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn simple_light() -> Box<Hitable> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cornell_box`
[INFO] [stderr]    --> src/main.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn cornell_box() -> Box<Hitable> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cornell_smoke`
[INFO] [stderr]    --> src/main.rs:128:4
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn cornell_smoke() -> Box<Hitable> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.26s
[INFO] running `"docker" "inspect" "17fc58154b70ca0d6a2fe4941b8e08629754c36e84d7342d79b9a59b6b1eeed7"`
[INFO] running `"docker" "rm" "-f" "17fc58154b70ca0d6a2fe4941b8e08629754c36e84d7342d79b9a59b6b1eeed7"`
[INFO] [stdout] 17fc58154b70ca0d6a2fe4941b8e08629754c36e84d7342d79b9a59b6b1eeed7