Nov 28 12:43:41.229 INFO checking Kethku/RustyRayTracer against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 12:43:41.229 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 12:43:41.680 INFO [stdout] e093af3011ff71e91df445a965e305a14457ce2f3728a75279a28825e7b60535
Nov 28 12:43:41.680 INFO running `"docker" "start" "-a" "e093af3011ff71e91df445a965e305a14457ce2f3728a75279a28825e7b60535"`
Nov 28 12:43:42.944 INFO [stderr] usermod: no changes
Nov 28 12:43:43.048 INFO [stderr]    Compiling minifb v0.10.4
Nov 28 12:43:43.048 INFO [stderr]     Checking time v0.1.39
Nov 28 12:43:43.048 INFO [stderr]     Checking x11-dl v2.14.0
Nov 28 12:43:48.493 INFO [stderr]     Checking rusty_ray_tracer v0.1.0 (/source)
Nov 28 12:43:49.304 INFO [stderr] warning: unused import: `Barrier`
Nov 28 12:43:49.304 INFO [stderr]  --> src/main.rs:6:29
Nov 28 12:43:49.304 INFO [stderr]   |
Nov 28 12:43:49.304 INFO [stderr] 6 | use std::sync::{Arc, Mutex, Barrier};
Nov 28 12:43:49.304 INFO [stderr]   |                             ^^^^^^^
Nov 28 12:43:49.304 INFO [stderr]   |
Nov 28 12:43:49.304 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 12:43:49.304 INFO [stderr] 
Nov 28 12:43:49.304 INFO [stderr] warning: unused import: `std::f64::*`
Nov 28 12:43:49.304 INFO [stderr]  --> src/main.rs:9:5
Nov 28 12:43:49.304 INFO [stderr]   |
Nov 28 12:43:49.304 INFO [stderr] 9 | use std::f64::*;
Nov 28 12:43:49.304 INFO [stderr]   |     ^^^^^^^^^^^
Nov 28 12:43:49.304 INFO [stderr] 
Nov 28 12:43:49.304 INFO [stderr] warning: unused import: `characteristics::*`
Nov 28 12:43:49.304 INFO [stderr]  --> src/scene.rs:6:5
Nov 28 12:43:49.304 INFO [stderr]   |
Nov 28 12:43:49.304 INFO [stderr] 6 | use characteristics::*;
Nov 28 12:43:49.305 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.305 INFO [stderr] 
Nov 28 12:43:49.305 INFO [stderr] warning: unused import: `distance_field::*`
Nov 28 12:43:49.305 INFO [stderr]  --> src/atmosphere.rs:2:5
Nov 28 12:43:49.305 INFO [stderr]   |
Nov 28 12:43:49.305 INFO [stderr] 2 | use distance_field::*;
Nov 28 12:43:49.305 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.305 INFO [stderr] 
Nov 28 12:43:49.305 INFO [stderr] warning: unused import: `scene::*`
Nov 28 12:43:49.305 INFO [stderr]  --> src/atmosphere.rs:3:5
Nov 28 12:43:49.305 INFO [stderr]   |
Nov 28 12:43:49.305 INFO [stderr] 3 | use scene::*;
Nov 28 12:43:49.305 INFO [stderr]   |     ^^^^^^^^
Nov 28 12:43:49.305 INFO [stderr] 
Nov 28 12:43:49.305 INFO [stderr] warning: unused import: `atmosphere::*`
Nov 28 12:43:49.305 INFO [stderr]  --> src/scene_renderer.rs:7:5
Nov 28 12:43:49.305 INFO [stderr]   |
Nov 28 12:43:49.305 INFO [stderr] 7 | use atmosphere::*;
Nov 28 12:43:49.305 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 12:43:49.305 INFO [stderr] 
Nov 28 12:43:49.400 INFO [stderr] warning: unused import: `Barrier`
Nov 28 12:43:49.400 INFO [stderr]  --> src/main.rs:6:29
Nov 28 12:43:49.400 INFO [stderr]   |
Nov 28 12:43:49.400 INFO [stderr] 6 | use std::sync::{Arc, Mutex, Barrier};
Nov 28 12:43:49.400 INFO [stderr]   |                             ^^^^^^^
Nov 28 12:43:49.400 INFO [stderr]   |
Nov 28 12:43:49.400 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 12:43:49.400 INFO [stderr] 
Nov 28 12:43:49.400 INFO [stderr] warning: unused import: `std::f64::*`
Nov 28 12:43:49.400 INFO [stderr]  --> src/main.rs:9:5
Nov 28 12:43:49.400 INFO [stderr]   |
Nov 28 12:43:49.400 INFO [stderr] 9 | use std::f64::*;
Nov 28 12:43:49.400 INFO [stderr]   |     ^^^^^^^^^^^
Nov 28 12:43:49.400 INFO [stderr] 
Nov 28 12:43:49.400 INFO [stderr] warning: unused import: `characteristics::*`
Nov 28 12:43:49.400 INFO [stderr]  --> src/scene.rs:6:5
Nov 28 12:43:49.401 INFO [stderr]   |
Nov 28 12:43:49.401 INFO [stderr] 6 | use characteristics::*;
Nov 28 12:43:49.401 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.401 INFO [stderr] 
Nov 28 12:43:49.401 INFO [stderr] warning: unused import: `distance_field::*`
Nov 28 12:43:49.401 INFO [stderr]  --> src/atmosphere.rs:2:5
Nov 28 12:43:49.401 INFO [stderr]   |
Nov 28 12:43:49.401 INFO [stderr] 2 | use distance_field::*;
Nov 28 12:43:49.401 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.401 INFO [stderr] 
Nov 28 12:43:49.401 INFO [stderr] warning: unused import: `scene::*`
Nov 28 12:43:49.401 INFO [stderr]  --> src/atmosphere.rs:3:5
Nov 28 12:43:49.401 INFO [stderr]   |
Nov 28 12:43:49.401 INFO [stderr] 3 | use scene::*;
Nov 28 12:43:49.401 INFO [stderr]   |     ^^^^^^^^
Nov 28 12:43:49.401 INFO [stderr] 
Nov 28 12:43:49.401 INFO [stderr] warning: unused import: `atmosphere::*`
Nov 28 12:43:49.401 INFO [stderr]  --> src/scene_renderer.rs:7:5
Nov 28 12:43:49.401 INFO [stderr]   |
Nov 28 12:43:49.401 INFO [stderr] 7 | use atmosphere::*;
Nov 28 12:43:49.401 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 12:43:49.401 INFO [stderr] 
Nov 28 12:43:49.612 INFO [stderr] warning: unused variable: `i`
Nov 28 12:43:49.613 INFO [stderr]   --> src/scene_renderer.rs:68:21
Nov 28 12:43:49.613 INFO [stderr]    |
Nov 28 12:43:49.613 INFO [stderr] 68 |                 for i in 0..iterations {
Nov 28 12:43:49.614 INFO [stderr]    |                     ^ help: consider using `_i` instead
Nov 28 12:43:49.614 INFO [stderr]    |
Nov 28 12:43:49.614 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 12:43:49.614 INFO [stderr] 
Nov 28 12:43:49.615 INFO [stderr] warning: unused variable: `intersect`
Nov 28 12:43:49.615 INFO [stderr]   --> src/scene_renderer.rs:82:30
Nov 28 12:43:49.615 INFO [stderr]    |
Nov 28 12:43:49.615 INFO [stderr] 82 |                         Some(intersect) => continue,
Nov 28 12:43:49.616 INFO [stderr]    |                              ^^^^^^^^^ help: consider using `_intersect` instead
Nov 28 12:43:49.616 INFO [stderr] 
Nov 28 12:43:49.616 INFO [stderr] warning: unused variable: `pos`
Nov 28 12:43:49.617 INFO [stderr]   --> src/distance_field.rs:48:31
Nov 28 12:43:49.617 INFO [stderr]    |
Nov 28 12:43:49.617 INFO [stderr] 48 |     fn characteristics(&self, pos: Vector) -> Characteristics {
Nov 28 12:43:49.617 INFO [stderr]    |                               ^^^ help: consider using `_pos` instead
Nov 28 12:43:49.618 INFO [stderr] 
Nov 28 12:43:49.618 INFO [stderr] warning: unused variable: `pos`
Nov 28 12:43:49.618 INFO [stderr]   --> src/distance_field.rs:85:22
Nov 28 12:43:49.618 INFO [stderr]    |
Nov 28 12:43:49.619 INFO [stderr] 85 |     fn normal(&self, pos: Vector) -> Vector {
Nov 28 12:43:49.619 INFO [stderr]    |                      ^^^ help: consider using `_pos` instead
Nov 28 12:43:49.619 INFO [stderr] 
Nov 28 12:43:49.619 INFO [stderr] warning: unused variable: `pos`
Nov 28 12:43:49.620 INFO [stderr]   --> src/distance_field.rs:89:31
Nov 28 12:43:49.620 INFO [stderr]    |
Nov 28 12:43:49.620 INFO [stderr] 89 |     fn characteristics(&self, pos: Vector) -> Characteristics {
Nov 28 12:43:49.620 INFO [stderr]    |                               ^^^ help: consider using `_pos` instead
Nov 28 12:43:49.621 INFO [stderr] 
Nov 28 12:43:49.662 INFO [stderr] warning: unused variable: `i`
Nov 28 12:43:49.662 INFO [stderr]   --> src/scene_renderer.rs:68:21
Nov 28 12:43:49.662 INFO [stderr]    |
Nov 28 12:43:49.663 INFO [stderr] 68 |                 for i in 0..iterations {
Nov 28 12:43:49.663 INFO [stderr]    |                     ^ help: consider using `_i` instead
Nov 28 12:43:49.663 INFO [stderr]    |
Nov 28 12:43:49.663 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 12:43:49.664 INFO [stderr] 
Nov 28 12:43:49.664 INFO [stderr] warning: unused variable: `intersect`
Nov 28 12:43:49.664 INFO [stderr]   --> src/scene_renderer.rs:82:30
Nov 28 12:43:49.664 INFO [stderr]    |
Nov 28 12:43:49.665 INFO [stderr] 82 |                         Some(intersect) => continue,
Nov 28 12:43:49.665 INFO [stderr]    |                              ^^^^^^^^^ help: consider using `_intersect` instead
Nov 28 12:43:49.665 INFO [stderr] 
Nov 28 12:43:49.665 INFO [stderr] warning: unused variable: `pos`
Nov 28 12:43:49.666 INFO [stderr]   --> src/distance_field.rs:48:31
Nov 28 12:43:49.666 INFO [stderr]    |
Nov 28 12:43:49.666 INFO [stderr] 48 |     fn characteristics(&self, pos: Vector) -> Characteristics {
Nov 28 12:43:49.666 INFO [stderr]    |                               ^^^ help: consider using `_pos` instead
Nov 28 12:43:49.667 INFO [stderr] 
Nov 28 12:43:49.667 INFO [stderr] warning: unused variable: `pos`
Nov 28 12:43:49.667 INFO [stderr]   --> src/distance_field.rs:85:22
Nov 28 12:43:49.667 INFO [stderr]    |
Nov 28 12:43:49.668 INFO [stderr] 85 |     fn normal(&self, pos: Vector) -> Vector {
Nov 28 12:43:49.672 INFO [stderr]    |                      ^^^ help: consider using `_pos` instead
Nov 28 12:43:49.672 INFO [stderr] 
Nov 28 12:43:49.673 INFO [stderr] warning: unused variable: `pos`
Nov 28 12:43:49.673 INFO [stderr]   --> src/distance_field.rs:89:31
Nov 28 12:43:49.673 INFO [stderr]    |
Nov 28 12:43:49.673 INFO [stderr] 89 |     fn characteristics(&self, pos: Vector) -> Characteristics {
Nov 28 12:43:49.674 INFO [stderr]    |                               ^^^ help: consider using `_pos` instead
Nov 28 12:43:49.674 INFO [stderr] 
Nov 28 12:43:49.684 INFO [stderr] warning: struct is never constructed: `Sphere`
Nov 28 12:43:49.684 INFO [stderr]   --> src/distance_field.rs:14:1
Nov 28 12:43:49.684 INFO [stderr]    |
Nov 28 12:43:49.684 INFO [stderr] 14 | pub struct Sphere {
Nov 28 12:43:49.684 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.684 INFO [stderr]    |
Nov 28 12:43:49.684 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:43:49.684 INFO [stderr] 
Nov 28 12:43:49.688 INFO [stderr] warning: method is never used: `new`
Nov 28 12:43:49.688 INFO [stderr]   --> src/distance_field.rs:21:5
Nov 28 12:43:49.688 INFO [stderr]    |
Nov 28 12:43:49.688 INFO [stderr] 21 |     pub fn new(pos: Vector, r: f64, chars: Characteristics) -> Scene<Sphere> {
Nov 28 12:43:49.688 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.688 INFO [stderr] 
Nov 28 12:43:49.688 INFO [stderr] warning: struct is never constructed: `Plane`
Nov 28 12:43:49.689 INFO [stderr]   --> src/distance_field.rs:53:1
Nov 28 12:43:49.689 INFO [stderr]    |
Nov 28 12:43:49.689 INFO [stderr] 53 | pub struct Plane {
Nov 28 12:43:49.689 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 12:43:49.689 INFO [stderr] 
Nov 28 12:43:49.689 INFO [stderr] warning: method is never used: `new`
Nov 28 12:43:49.689 INFO [stderr]   --> src/distance_field.rs:60:5
Nov 28 12:43:49.689 INFO [stderr]    |
Nov 28 12:43:49.689 INFO [stderr] 60 |     pub fn new(normal: Vector, point: Vector, chars: Characteristics) -> Scene<Plane> {
Nov 28 12:43:49.689 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.689 INFO [stderr] 
Nov 28 12:43:49.689 INFO [stderr] warning: constant item is never used: `MINIMUM_THRESHOLD`
Nov 28 12:43:49.689 INFO [stderr]   --> src/scene.rs:12:1
Nov 28 12:43:49.689 INFO [stderr]    |
Nov 28 12:43:49.689 INFO [stderr] 12 | const MINIMUM_THRESHOLD: f64 = 0.001;
Nov 28 12:43:49.689 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.689 INFO [stderr] 
Nov 28 12:43:49.689 INFO [stderr] warning: method is never used: `trace`
Nov 28 12:43:49.689 INFO [stderr]   --> src/scene.rs:14:5
Nov 28 12:43:49.689 INFO [stderr]    |
Nov 28 12:43:49.689 INFO [stderr] 14 |     pub fn trace(&self, position: Vector, direction: Vector, sun_dir: Vector) -> Vector {
Nov 28 12:43:49.689 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.689 INFO [stderr] 
Nov 28 12:43:49.689 INFO [stderr] warning: method is never used: `default`
Nov 28 12:43:49.689 INFO [stderr]   --> src/characteristics.rs:12:5
Nov 28 12:43:49.689 INFO [stderr]    |
Nov 28 12:43:49.689 INFO [stderr] 12 |     pub fn default() -> Characteristics {
Nov 28 12:43:49.689 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.689 INFO [stderr] 
Nov 28 12:43:49.689 INFO [stderr] warning: method is never used: `mirror`
Nov 28 12:43:49.689 INFO [stderr]   --> src/characteristics.rs:21:5
Nov 28 12:43:49.689 INFO [stderr]    |
Nov 28 12:43:49.689 INFO [stderr] 21 |     pub fn mirror(color: Vector) -> Characteristics {
Nov 28 12:43:49.689 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.689 INFO [stderr] 
Nov 28 12:43:49.689 INFO [stderr] warning: method is never used: `matte`
Nov 28 12:43:49.689 INFO [stderr]   --> src/characteristics.rs:30:5
Nov 28 12:43:49.689 INFO [stderr]    |
Nov 28 12:43:49.689 INFO [stderr] 30 |     pub fn matte(color: Vector) -> Characteristics {
Nov 28 12:43:49.689 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.689 INFO [stderr] 
Nov 28 12:43:49.689 INFO [stderr] warning: constant item is never used: `UP`
Nov 28 12:43:49.689 INFO [stderr]   --> src/scene_renderer.rs:10:1
Nov 28 12:43:49.689 INFO [stderr]    |
Nov 28 12:43:49.689 INFO [stderr] 10 | / const UP: Vector = Vector {
Nov 28 12:43:49.689 INFO [stderr] 11 | |     x: 0.0,
Nov 28 12:43:49.689 INFO [stderr] 12 | |     y: 1.0,
Nov 28 12:43:49.689 INFO [stderr] 13 | |     z: 0.0
Nov 28 12:43:49.689 INFO [stderr] 14 | | };
Nov 28 12:43:49.689 INFO [stderr]    | |__^
Nov 28 12:43:49.689 INFO [stderr] 
Nov 28 12:43:49.689 INFO [stderr] warning: function is never used: `scene_renderer`
Nov 28 12:43:49.689 INFO [stderr]   --> src/scene_renderer.rs:16:1
Nov 28 12:43:49.689 INFO [stderr]    |
Nov 28 12:43:49.689 INFO [stderr] 16 | pub fn scene_renderer(colors_mutex: Arc<Mutex<Vec<Vector>>>, width: usize, height: usize, threads: usize) {
Nov 28 12:43:49.689 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.689 INFO [stderr] 
Nov 28 12:43:49.689 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 28 12:43:49.689 INFO [stderr]  --> src/main.rs:1:12
Nov 28 12:43:49.689 INFO [stderr]   |
Nov 28 12:43:49.689 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 28 12:43:49.689 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 28 12:43:49.689 INFO [stderr]   |
Nov 28 12:43:49.689 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 28 12:43:49.689 INFO [stderr] 
Nov 28 12:43:49.757 INFO [stderr] warning: struct is never constructed: `Sphere`
Nov 28 12:43:49.757 INFO [stderr]   --> src/distance_field.rs:14:1
Nov 28 12:43:49.757 INFO [stderr]    |
Nov 28 12:43:49.757 INFO [stderr] 14 | pub struct Sphere {
Nov 28 12:43:49.757 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.757 INFO [stderr]    |
Nov 28 12:43:49.757 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:43:49.757 INFO [stderr] 
Nov 28 12:43:49.757 INFO [stderr] warning: method is never used: `new`
Nov 28 12:43:49.757 INFO [stderr]   --> src/distance_field.rs:21:5
Nov 28 12:43:49.757 INFO [stderr]    |
Nov 28 12:43:49.757 INFO [stderr] 21 |     pub fn new(pos: Vector, r: f64, chars: Characteristics) -> Scene<Sphere> {
Nov 28 12:43:49.757 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.757 INFO [stderr] 
Nov 28 12:43:49.757 INFO [stderr] warning: struct is never constructed: `Plane`
Nov 28 12:43:49.757 INFO [stderr]   --> src/distance_field.rs:53:1
Nov 28 12:43:49.757 INFO [stderr]    |
Nov 28 12:43:49.757 INFO [stderr] 53 | pub struct Plane {
Nov 28 12:43:49.757 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 12:43:49.757 INFO [stderr] 
Nov 28 12:43:49.757 INFO [stderr] warning: method is never used: `new`
Nov 28 12:43:49.757 INFO [stderr]   --> src/distance_field.rs:60:5
Nov 28 12:43:49.757 INFO [stderr]    |
Nov 28 12:43:49.757 INFO [stderr] 60 |     pub fn new(normal: Vector, point: Vector, chars: Characteristics) -> Scene<Plane> {
Nov 28 12:43:49.757 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.757 INFO [stderr] 
Nov 28 12:43:49.757 INFO [stderr] warning: constant item is never used: `MINIMUM_THRESHOLD`
Nov 28 12:43:49.757 INFO [stderr]   --> src/scene.rs:12:1
Nov 28 12:43:49.757 INFO [stderr]    |
Nov 28 12:43:49.757 INFO [stderr] 12 | const MINIMUM_THRESHOLD: f64 = 0.001;
Nov 28 12:43:49.757 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.757 INFO [stderr] 
Nov 28 12:43:49.757 INFO [stderr] warning: method is never used: `trace`
Nov 28 12:43:49.757 INFO [stderr]   --> src/scene.rs:14:5
Nov 28 12:43:49.757 INFO [stderr]    |
Nov 28 12:43:49.757 INFO [stderr] 14 |     pub fn trace(&self, position: Vector, direction: Vector, sun_dir: Vector) -> Vector {
Nov 28 12:43:49.757 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.757 INFO [stderr] 
Nov 28 12:43:49.757 INFO [stderr] warning: method is never used: `default`
Nov 28 12:43:49.757 INFO [stderr]   --> src/characteristics.rs:12:5
Nov 28 12:43:49.757 INFO [stderr]    |
Nov 28 12:43:49.757 INFO [stderr] 12 |     pub fn default() -> Characteristics {
Nov 28 12:43:49.757 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.757 INFO [stderr] 
Nov 28 12:43:49.757 INFO [stderr] warning: method is never used: `mirror`
Nov 28 12:43:49.757 INFO [stderr]   --> src/characteristics.rs:21:5
Nov 28 12:43:49.757 INFO [stderr]    |
Nov 28 12:43:49.757 INFO [stderr] 21 |     pub fn mirror(color: Vector) -> Characteristics {
Nov 28 12:43:49.757 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.757 INFO [stderr] 
Nov 28 12:43:49.757 INFO [stderr] warning: method is never used: `matte`
Nov 28 12:43:49.757 INFO [stderr]   --> src/characteristics.rs:30:5
Nov 28 12:43:49.757 INFO [stderr]    |
Nov 28 12:43:49.757 INFO [stderr] 30 |     pub fn matte(color: Vector) -> Characteristics {
Nov 28 12:43:49.757 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.757 INFO [stderr] 
Nov 28 12:43:49.757 INFO [stderr] warning: constant item is never used: `UP`
Nov 28 12:43:49.757 INFO [stderr]   --> src/scene_renderer.rs:10:1
Nov 28 12:43:49.757 INFO [stderr]    |
Nov 28 12:43:49.757 INFO [stderr] 10 | / const UP: Vector = Vector {
Nov 28 12:43:49.757 INFO [stderr] 11 | |     x: 0.0,
Nov 28 12:43:49.757 INFO [stderr] 12 | |     y: 1.0,
Nov 28 12:43:49.757 INFO [stderr] 13 | |     z: 0.0
Nov 28 12:43:49.757 INFO [stderr] 14 | | };
Nov 28 12:43:49.757 INFO [stderr]    | |__^
Nov 28 12:43:49.757 INFO [stderr] 
Nov 28 12:43:49.757 INFO [stderr] warning: function is never used: `scene_renderer`
Nov 28 12:43:49.757 INFO [stderr]   --> src/scene_renderer.rs:16:1
Nov 28 12:43:49.757 INFO [stderr]    |
Nov 28 12:43:49.757 INFO [stderr] 16 | pub fn scene_renderer(colors_mutex: Arc<Mutex<Vec<Vector>>>, width: usize, height: usize, threads: usize) {
Nov 28 12:43:49.757 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:43:49.757 INFO [stderr] 
Nov 28 12:43:49.760 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 28 12:43:49.760 INFO [stderr]  --> src/main.rs:1:12
Nov 28 12:43:49.760 INFO [stderr]   |
Nov 28 12:43:49.760 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 28 12:43:49.760 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 28 12:43:49.760 INFO [stderr]   |
Nov 28 12:43:49.760 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 28 12:43:49.760 INFO [stderr] 
Nov 28 12:43:49.797 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.84s
Nov 28 12:43:49.808 INFO [stderr] su: No module specific data is present
Nov 28 12:43:50.504 INFO running `"docker" "inspect" "e093af3011ff71e91df445a965e305a14457ce2f3728a75279a28825e7b60535"`
Nov 28 12:43:50.769 INFO running `"docker" "rm" "-f" "e093af3011ff71e91df445a965e305a14457ce2f3728a75279a28825e7b60535"`
Nov 28 12:43:51.089 INFO [stdout] e093af3011ff71e91df445a965e305a14457ce2f3728a75279a28825e7b60535