[INFO] cloning repository https://github.com/eatrero/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/eatrero/rust_ray_tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Featrero%2Frust_ray_tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Featrero%2Frust_ray_tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3dd00992a35b6552a66d65d26a9f3a1a3c4740b
[INFO] testing eatrero/rust_ray_tracer against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Featrero%2Frust_ray_tracer" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eatrero/rust_ray_tracer on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eatrero/rust_ray_tracer
[INFO] finished tweaking git repo https://github.com/eatrero/rust_ray_tracer
[INFO] tweaked toml for git repo https://github.com/eatrero/rust_ray_tracer written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/eatrero/rust_ray_tracer 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" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 456d0fdac07a74950ec6528e45e662b3f603a9a4a4e8319e9292d6f454490ec6
[INFO] running `Command { std: "docker" "start" "-a" "456d0fdac07a74950ec6528e45e662b3f603a9a4a4e8319e9292d6f454490ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "456d0fdac07a74950ec6528e45e662b3f603a9a4a4e8319e9292d6f454490ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "456d0fdac07a74950ec6528e45e662b3f603a9a4a4e8319e9292d6f454490ec6", kill_on_drop: false }`
[INFO] [stdout] 456d0fdac07a74950ec6528e45e662b3f603a9a4a4e8319e9292d6f454490ec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4064323d5218f3abcb3a21524356af6add81ccb3faba98a6437d95a39709836e
[INFO] running `Command { std: "docker" "start" "-a" "4064323d5218f3abcb3a21524356af6add81ccb3faba98a6437d95a39709836e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling rand_core v0.4.0 (https://github.com/rust-lang/rand#8d7d0b6d)
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1 (https://github.com/rust-lang/rand#8d7d0b6d)
[INFO] [stderr]    Compiling rand_jitter v0.1.3 (https://github.com/rust-lang/rand#8d7d0b6d)
[INFO] [stderr]    Compiling rand_hc v0.1.0 (https://github.com/rust-lang/rand#8d7d0b6d)
[INFO] [stderr]    Compiling rand_isaac v0.1.1 (https://github.com/rust-lang/rand#8d7d0b6d)
[INFO] [stderr]    Compiling rand_pcg v0.1.2 (https://github.com/rust-lang/rand#8d7d0b6d)
[INFO] [stderr]    Compiling rand_chacha v0.1.1 (https://github.com/rust-lang/rand#8d7d0b6d)
[INFO] [stderr]    Compiling rand v0.6.5 (https://github.com/rust-lang/rand#8d7d0b6d)
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling rand_os v0.1.3 (https://github.com/rust-lang/rand#8d7d0b6d)
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::material::Material`
[INFO] [stdout]  --> src/world/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::material::Material;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::Matrix`
[INFO] [stdout]  --> src/world/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PatternType` and `Pattern`
[INFO] [stdout]  --> src/world/mod.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::pattern::{Pattern, PatternType};
[INFO] [stdout]   |                      ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shape::sphere::Sphere`
[INFO] [stdout]   --> src/world/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::shape::sphere::Sphere;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector`
[INFO] [stdout]   --> src/world/mod.rs:13:34
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::vectors::{dot, point, vector, Tuple};
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `canvas::Canvas`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use canvas::Canvas;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `point` and `vector`
[INFO] [stdout]  --> src/transform/mod.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::vectors::{cross, point, vector};
[INFO] [stdout]   |                             ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shape::plane::Plane`
[INFO] [stdout]  --> src/intersections/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::shape::plane::Plane;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shape::sphere::Sphere`
[INFO] [stdout]  --> src/intersections/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::shape::sphere::Sphere;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ShapeType`
[INFO] [stdout]  --> src/intersections/mod.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::shape::{Shape, ShapeType};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transform::Transform`
[INFO] [stdout]  --> src/intersections/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::transform::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `point` and `vector`
[INFO] [stdout]  --> src/intersections/mod.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::vectors::{dot, point, reflect, vector, Tuple};
[INFO] [stdout]   |                           ^^^^^           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transform::Transform`
[INFO] [stdout]  --> src/ray/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::transform::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `point` and `vector`
[INFO] [stdout]  --> src/ray/mod.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::vectors::{point, vector};
[INFO] [stdout]   |                      ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray::Ray`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use ray::Ray;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::colors::Color`
[INFO] [stdout]  --> src/shape/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::colors::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Intersection` and `prepare_computations`
[INFO] [stdout]  --> src/shape/mod.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::intersections::{prepare_computations, Intersection, Intersections};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transform::Transform`
[INFO] [stdout]  --> src/shape/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::transform::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dot`
[INFO] [stdout]  --> src/shape/mod.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::vectors::{dot, point, vector, Tuple};
[INFO] [stdout]   |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64`
[INFO] [stdout]  --> src/shape/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::f64;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::colors::Color`
[INFO] [stdout]  --> src/shape/plane.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::colors::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transform::Transform`
[INFO] [stdout]  --> src/shape/plane.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::transform::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `dot` and `point`
[INFO] [stdout]  --> src/shape/plane.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::vectors::{dot, point, vector, Tuple};
[INFO] [stdout]   |                      ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64`
[INFO] [stdout]   --> src/shape/plane.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::f64;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/shape/plane.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     if (ray.direction.y.abs() < 1e-10) {
[INFO] [stdout]    |        ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -     if (ray.direction.y.abs() < 1e-10) {
[INFO] [stdout] 30 +     if ray.direction.y.abs() < 1e-10 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::colors::Color`
[INFO] [stdout]  --> src/shape/sphere.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::colors::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ShapeType`
[INFO] [stdout]  --> src/shape/sphere.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::shape::{Shape, ShapeType};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transform::Transform`
[INFO] [stdout]  --> src/shape/sphere.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::transform::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector`
[INFO] [stdout]  --> src/shape/sphere.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::vectors::{dot, point, vector, Tuple};
[INFO] [stdout]   |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ShapeType`
[INFO] [stdout]  --> src/light/mod.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::shape::{Shape, ShapeType};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `point` and `vector`
[INFO] [stdout]  --> src/light/mod.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::vectors::{dot, point, reflect, vector, Tuple};
[INFO] [stdout]   |                           ^^^^^           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/light/mod.rs:60:6
[INFO] [stdout]    |
[INFO] [stdout] 60 |   if (is_in_shadow) {
[INFO] [stdout]    |      ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -   if (is_in_shadow) {
[INFO] [stdout] 60 +   if is_in_shadow {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lighting`
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 | use light::{lighting, PointLight};
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transform::Transform`
[INFO] [stdout]  --> src/camera/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::transform::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Tuple` and `vector`
[INFO] [stdout]  --> src/camera/mod.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::vectors::{point, vector, Tuple};
[INFO] [stdout]   |                             ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/camera/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/camera/mod.rs:90:14
[INFO] [stdout]    |
[INFO] [stdout] 90 |     for y in (0..self.vsize) {
[INFO] [stdout]    |              ^             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 90 -     for y in (0..self.vsize) {
[INFO] [stdout] 90 +     for y in 0..self.vsize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/camera/mod.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |       for x in (0..self.hsize) {
[INFO] [stdout]    |                ^             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 91 -       for x in (0..self.hsize) {
[INFO] [stdout] 91 +       for x in 0..self.hsize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PointLight` and `lighting`
[INFO] [stdout]  --> src/material/mod.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::light::{lighting, PointLight};
[INFO] [stdout]   |                    ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PatternType`
[INFO] [stdout]  --> src/material/mod.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::pattern::{Pattern, PatternType};
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShapeType` and `Shape`
[INFO] [stdout]  --> src/material/mod.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::shape::{Shape, ShapeType};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Tuple`, `point`, and `vector`
[INFO] [stdout]  --> src/material/mod.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vectors::{point, vector, Tuple};
[INFO] [stdout]   |                      ^^^^^  ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/main.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ShapeType`
[INFO] [stdout]  --> src/pattern/mod.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::shape::{Shape, ShapeType};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `point` and `vector`
[INFO] [stdout]  --> src/pattern/mod.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::vectors::{point, vector, Tuple};
[INFO] [stdout]   |                      ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Transform`
[INFO] [stdout]  --> src/pattern/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::Matrix`
[INFO] [stdout]  --> src/pattern/checker.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PatternType`
[INFO] [stdout]  --> src/pattern/checker.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::pattern::{Pattern, PatternType};
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShapeType` and `Shape`
[INFO] [stdout]  --> src/pattern/checker.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::shape::{Shape, ShapeType};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `point` and `vector`
[INFO] [stdout]  --> src/pattern/checker.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vectors::{point, vector, Tuple};
[INFO] [stdout]   |                      ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Transform`
[INFO] [stdout]  --> src/pattern/checker.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::Matrix`
[INFO] [stdout]  --> src/pattern/gradient.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PatternType`
[INFO] [stdout]  --> src/pattern/gradient.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::pattern::{Pattern, PatternType};
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShapeType` and `Shape`
[INFO] [stdout]  --> src/pattern/gradient.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::shape::{Shape, ShapeType};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `point` and `vector`
[INFO] [stdout]  --> src/pattern/gradient.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vectors::{point, vector, Tuple};
[INFO] [stdout]   |                      ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Transform`
[INFO] [stdout]  --> src/pattern/gradient.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::Matrix`
[INFO] [stdout]  --> src/pattern/ring.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PatternType`
[INFO] [stdout]  --> src/pattern/ring.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::pattern::{Pattern, PatternType};
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShapeType` and `Shape`
[INFO] [stdout]  --> src/pattern/ring.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::shape::{Shape, ShapeType};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `point` and `vector`
[INFO] [stdout]  --> src/pattern/ring.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vectors::{point, vector, Tuple};
[INFO] [stdout]   |                      ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Transform`
[INFO] [stdout]  --> src/pattern/ring.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::Matrix`
[INFO] [stdout]  --> src/pattern/stripe.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PatternType`
[INFO] [stdout]  --> src/pattern/stripe.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::pattern::{Pattern, PatternType};
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShapeType` and `Shape`
[INFO] [stdout]  --> src/pattern/stripe.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::shape::{Shape, ShapeType};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `point` and `vector`
[INFO] [stdout]  --> src/pattern/stripe.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vectors::{point, vector, Tuple};
[INFO] [stdout]   |                      ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Transform`
[INFO] [stdout]  --> src/pattern/stripe.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/world/mod.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     return Color::mult(color, comps.object.material.transparency);
[INFO] [stdout]     |     ------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 197 |
[INFO] [stdout] 198 |     return color;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/canvas/mod.rs:42:65
[INFO] [stdout]    |
[INFO] [stdout] 42 |       Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/canvas/mod.rs:49:67
[INFO] [stdout]    |
[INFO] [stdout] 49 |       Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hit`
[INFO] [stdout]   --> src/intersections/mod.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 |   let hit = xs.hit();
[INFO] [stdout]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_hit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/shape/plane.rs:46:20
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub fn normal_at(object: &Shape, local_point: Tuple) -> Tuple {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_point`
[INFO] [stdout]   --> src/shape/plane.rs:46:36
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub fn normal_at(object: &Shape, local_point: Tuple) -> Tuple {
[INFO] [stdout]    |                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/shape/sphere.rs:69:20
[INFO] [stdout]    |
[INFO] [stdout] 69 |   pub fn normal_at(object: &Shape, object_point: Tuple) -> Tuple {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/light/mod.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 |   let mut diffuse;
[INFO] [stdout]    |       ----^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/light/mod.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 |   let mut specular;
[INFO] [stdout]    |       ----^^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/camera/mod.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut half_width;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/camera/mod.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut half_height;
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/camera/mod.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut half_view = (fov / 2.0).tan();
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut floor_pattern = Pattern::new(
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut pattern = Pattern::new(
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let mut pattern = Pattern::new(
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_a_point`, `is_a_vector`, `equals`, and `approx_equals` are never used
[INFO] [stdout]   --> src/vectors/mod.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Tuple {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |   pub fn is_a_point(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |   pub fn is_a_vector(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |   pub fn equals(&self, p: Tuple) -> bool {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |   pub fn approx_equals(&self, p: Tuple) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Proj` is never constructed
[INFO] [stdout]   --> src/world/mod.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Proj {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Proj` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/world/mod.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Proj {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 22 |   pub fn new(pos: Tuple, vel: Tuple) -> Proj {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Env` is never constructed
[INFO] [stdout]   --> src/world/mod.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Env {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Env` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/world/mod.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Env {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 34 |   pub fn new(wind: Tuple, grav: Tuple) -> Env {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tick` is never used
[INFO] [stdout]   --> src/world/mod.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn tick(env: Env, proj: Proj) -> Proj {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `default_world` and `default_world2` are never used
[INFO] [stdout]   --> src/world/mod.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl World {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68 |   pub fn default_world() -> World {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |   pub fn default_world2() -> World {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `negate`, `div`, `equals`, and `approx_equals` are never used
[INFO] [stdout]   --> src/colors/mod.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Color {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |   pub fn negate(&self) -> Color {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |   pub fn div(c: Color, a: f64) -> Color {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |   pub fn equals(a: Color, b: Color) -> bool {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |   pub fn approx_equals(a: Color, b: Color) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/canvas/mod.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Canvas {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |   pub fn get(&mut self, x: usize, y: usize) -> Color {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `set`, `equals`, `approx_equals`, and `minor` are never used
[INFO] [stdout]    --> src/matrix/mod.rs:23:10
[INFO] [stdout]     |
[INFO] [stdout] 10  | impl Matrix {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23  |   pub fn set(&mut self, r: usize, c: usize, d: f64) {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27  |   pub fn equals(a: &Matrix, b: &Matrix) -> bool {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41  |   pub fn approx_equals(a: &Matrix, b: &Matrix) -> bool {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |   pub fn minor(a: &Matrix, row: usize, col: usize) -> f64 {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rotate_z` and `shear` are never used
[INFO] [stdout]    --> src/transform/mod.rs:83:10
[INFO] [stdout]     |
[INFO] [stdout] 10  | impl Transform {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 83  |   pub fn rotate_z(&self, rot: f64) -> Transform {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |   pub fn shear(&self, xy: f64, xz: f64, yx: f64, yz: f64, zx: f64, zy: f64) -> Transform {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `t` and `inside` are never read
[INFO] [stdout]   --> src/intersections/mod.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Computations {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 30 |   pub t: f64,
[INFO] [stdout]    |       ^
[INFO] [stdout] ...
[INFO] [stdout] 36 |   pub inside: bool,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Computations` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Test` is never constructed
[INFO] [stdout]   --> src/shape/mod.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum ShapeType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |   Test,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ShapeType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `origin` is never read
[INFO] [stdout]   --> src/shape/mod.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Shape {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 23 |   pub shape_type: ShapeType,
[INFO] [stdout] 24 |   pub origin: Tuple,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Shape` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `glass_sphere` and `set_transform` are never used
[INFO] [stdout]   --> src/shape/mod.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Shape {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |   pub fn glass_sphere() -> Shape {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |   pub fn set_transform(&mut self, transform: Matrix) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `handle`, `transform`, and `material` are never read
[INFO] [stdout]   --> src/shape/plane.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Plane {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 14 |   pub handle: u32,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 15 |   pub transform: Matrix,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 16 |   pub material: Material,
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Plane` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `set_transform` are never used
[INFO] [stdout]   --> src/shape/plane.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Plane {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout] 20 |   pub fn new() -> Plane {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |   pub fn set_transform(object: &mut Shape, transform: Matrix) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `origin`, `radius`, `handle`, `transform`, and `material` are never read
[INFO] [stdout]   --> src/shape/sphere.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Sphere {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 14 |   pub origin: Tuple,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 15 |   pub radius: f64,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 16 |   pub handle: u32,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 17 |   pub transform: Matrix,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 18 |   pub material: Material,
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sphere` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `set_transform` are never used
[INFO] [stdout]   --> src/shape/sphere.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Sphere {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout] 22 |   pub fn new(origin: Tuple, radius: f64) -> Sphere {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |   pub fn set_transform(object: &mut Shape, transform: Matrix) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fov` is never read
[INFO] [stdout]   --> src/camera/mod.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |   fov: f64,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Gradient`, `Ring`, `Stripe`, and `Test` are never constructed
[INFO] [stdout]   --> src/pattern/mod.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum PatternType {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 14 |   Checker,
[INFO] [stdout] 15 |   Gradient,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 16 |   Ring,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 17 |   Stripe,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 18 |   Test,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PatternType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_transform` is never used
[INFO] [stdout]   --> src/pattern/mod.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Pattern {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |   pub fn set_transform(&mut self, transform: Matrix) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/pattern/checker.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Checker {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 10 |   a: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout] 11 |   b: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Checker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/pattern/checker.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Checker {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 15 |   pub fn new(color1: Color, color2: Color) -> Checker {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/pattern/gradient.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Gradient {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 10 |   a: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout] 11 |   b: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Gradient` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/pattern/gradient.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Gradient {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 15 |   pub fn new(color1: Color, color2: Color) -> Gradient {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/pattern/ring.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Ring {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 10 |   a: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout] 11 |   b: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ring` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/pattern/ring.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Ring {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 15 |   pub fn new(color1: Color, color2: Color) -> Ring {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/pattern/stripe.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Stripe {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 10 |   a: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout] 11 |   b: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stripe` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/pattern/stripe.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Stripe {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 15 |   pub fn new(color1: Color, color2: Color) -> Stripe {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.72s
[INFO] running `Command { std: "docker" "inspect" "4064323d5218f3abcb3a21524356af6add81ccb3faba98a6437d95a39709836e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4064323d5218f3abcb3a21524356af6add81ccb3faba98a6437d95a39709836e", kill_on_drop: false }`
[INFO] [stdout] 4064323d5218f3abcb3a21524356af6add81ccb3faba98a6437d95a39709836e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b370fae77f16494be44fe61489beaee8eeb7ef44ef8b49f7e2d0f8aa959c2a1a
[INFO] running `Command { std: "docker" "start" "-a" "b370fae77f16494be44fe61489beaee8eeb7ef44ef8b49f7e2d0f8aa959c2a1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::material::Material`
[INFO] [stdout]  --> src/world/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::material::Material;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::Matrix`
[INFO] [stdout]  --> src/world/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shape::sphere::Sphere`
[INFO] [stdout]   --> src/world/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::shape::sphere::Sphere;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `canvas::Canvas`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use canvas::Canvas;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shape::plane::Plane`
[INFO] [stdout]  --> src/intersections/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::shape::plane::Plane;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shape::sphere::Sphere`
[INFO] [stdout]  --> src/intersections/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::shape::sphere::Sphere;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray::Ray`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use ray::Ray;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::colors::Color`
[INFO] [stdout]  --> src/shape/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::colors::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dot`
[INFO] [stdout]  --> src/shape/mod.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::vectors::{dot, point, vector, Tuple};
[INFO] [stdout]   |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64`
[INFO] [stdout]  --> src/shape/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::f64;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::colors::Color`
[INFO] [stdout]  --> src/shape/plane.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::colors::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transform::Transform`
[INFO] [stdout]  --> src/shape/plane.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::transform::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `dot` and `point`
[INFO] [stdout]  --> src/shape/plane.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::vectors::{dot, point, vector, Tuple};
[INFO] [stdout]   |                      ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64`
[INFO] [stdout]   --> src/shape/plane.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::f64;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/shape/plane.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     if (ray.direction.y.abs() < 1e-10) {
[INFO] [stdout]    |        ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -     if (ray.direction.y.abs() < 1e-10) {
[INFO] [stdout] 30 +     if ray.direction.y.abs() < 1e-10 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/light/mod.rs:60:6
[INFO] [stdout]    |
[INFO] [stdout] 60 |   if (is_in_shadow) {
[INFO] [stdout]    |      ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -   if (is_in_shadow) {
[INFO] [stdout] 60 +   if is_in_shadow {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lighting`
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 | use light::{lighting, PointLight};
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Tuple`
[INFO] [stdout]  --> src/camera/mod.rs:6:37
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::vectors::{point, vector, Tuple};
[INFO] [stdout]   |                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/camera/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/camera/mod.rs:90:14
[INFO] [stdout]    |
[INFO] [stdout] 90 |     for y in (0..self.vsize) {
[INFO] [stdout]    |              ^             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 90 -     for y in (0..self.vsize) {
[INFO] [stdout] 90 +     for y in 0..self.vsize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/camera/mod.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |       for x in (0..self.hsize) {
[INFO] [stdout]    |                ^             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 91 -       for x in (0..self.hsize) {
[INFO] [stdout] 91 +       for x in 0..self.hsize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Tuple`
[INFO] [stdout]  --> src/material/mod.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vectors::{point, vector, Tuple};
[INFO] [stdout]   |                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/main.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector`
[INFO] [stdout]  --> src/pattern/mod.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::vectors::{point, vector, Tuple};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::Matrix`
[INFO] [stdout]  --> src/pattern/checker.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShapeType` and `Shape`
[INFO] [stdout]  --> src/pattern/checker.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::shape::{Shape, ShapeType};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector`
[INFO] [stdout]  --> src/pattern/checker.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vectors::{point, vector, Tuple};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Transform`
[INFO] [stdout]  --> src/pattern/checker.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::Matrix`
[INFO] [stdout]  --> src/pattern/gradient.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShapeType` and `Shape`
[INFO] [stdout]  --> src/pattern/gradient.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::shape::{Shape, ShapeType};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector`
[INFO] [stdout]  --> src/pattern/gradient.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vectors::{point, vector, Tuple};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Transform`
[INFO] [stdout]  --> src/pattern/gradient.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::Matrix`
[INFO] [stdout]  --> src/pattern/ring.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShapeType` and `Shape`
[INFO] [stdout]  --> src/pattern/ring.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::shape::{Shape, ShapeType};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector`
[INFO] [stdout]  --> src/pattern/ring.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vectors::{point, vector, Tuple};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Transform`
[INFO] [stdout]  --> src/pattern/ring.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::Matrix`
[INFO] [stdout]  --> src/pattern/stripe.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShapeType` and `Shape`
[INFO] [stdout]  --> src/pattern/stripe.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::shape::{Shape, ShapeType};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector`
[INFO] [stdout]  --> src/pattern/stripe.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::vectors::{point, vector, Tuple};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Transform`
[INFO] [stdout]  --> src/pattern/stripe.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Transform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/world/mod.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     return Color::mult(color, comps.object.material.transparency);
[INFO] [stdout]     |     ------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 197 |
[INFO] [stdout] 198 |     return color;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/canvas/mod.rs:42:65
[INFO] [stdout]    |
[INFO] [stdout] 42 |       Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/canvas/mod.rs:49:67
[INFO] [stdout]    |
[INFO] [stdout] 49 |       Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/world/mod.rs:320:7
[INFO] [stdout]     |
[INFO] [stdout] 320 |   let mut world = World::default_world2();
[INFO] [stdout]     |       ----^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/world/mod.rs:330:7
[INFO] [stdout]     |
[INFO] [stdout] 330 |   let mut world = World::default_world();
[INFO] [stdout]     |       ----^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/world/mod.rs:339:7
[INFO] [stdout]     |
[INFO] [stdout] 339 |   let mut world = World::default_world();
[INFO] [stdout]     |       ----^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/world/mod.rs:348:7
[INFO] [stdout]     |
[INFO] [stdout] 348 |   let mut world = World::default_world();
[INFO] [stdout]     |       ----^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/world/mod.rs:357:7
[INFO] [stdout]     |
[INFO] [stdout] 357 |   let mut world = World::default_world();
[INFO] [stdout]     |       ----^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/world/mod.rs:366:7
[INFO] [stdout]     |
[INFO] [stdout] 366 |   let mut world = World::default_world();
[INFO] [stdout]     |       ----^^^^^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xs`
[INFO] [stdout]    --> src/world/mod.rs:525:7
[INFO] [stdout]     |
[INFO] [stdout] 525 |   let xs = world.intersect_world(r).intersections;
[INFO] [stdout]     |       ^^ help: if this is intentional, prefix it with an underscore: `_xs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hit`
[INFO] [stdout]   --> src/intersections/mod.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 |   let hit = xs.hit();
[INFO] [stdout]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_hit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/shape/plane.rs:46:20
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub fn normal_at(object: &Shape, local_point: Tuple) -> Tuple {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_point`
[INFO] [stdout]   --> src/shape/plane.rs:46:36
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub fn normal_at(object: &Shape, local_point: Tuple) -> Tuple {
[INFO] [stdout]    |                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/shape/sphere.rs:69:20
[INFO] [stdout]    |
[INFO] [stdout] 69 |   pub fn normal_at(object: &Shape, object_point: Tuple) -> Tuple {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/shape/sphere.rs:253:7
[INFO] [stdout]     |
[INFO] [stdout] 253 |   let mut s = Sphere::new(point(0., 0., 0.), 1.);
[INFO] [stdout]     |       ----^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/light/mod.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 |   let mut diffuse;
[INFO] [stdout]    |       ----^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/light/mod.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 |   let mut specular;
[INFO] [stdout]    |       ----^^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/camera/mod.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut half_width;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/camera/mod.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut half_height;
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/camera/mod.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut half_view = (fov / 2.0).tan();
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/pattern/stripe.rs:113:7
[INFO] [stdout]     |
[INFO] [stdout] 113 |   let x = Stripe::pattern_at(&pattern, point(-0.1, 0., 0.));
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut floor_pattern = Pattern::new(
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut pattern = Pattern::new(
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let mut pattern = Pattern::new(
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Proj` is never constructed
[INFO] [stdout]   --> src/world/mod.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Proj {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Proj` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/world/mod.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Proj {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 22 |   pub fn new(pos: Tuple, vel: Tuple) -> Proj {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Env` is never constructed
[INFO] [stdout]   --> src/world/mod.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Env {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Env` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/world/mod.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Env {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 34 |   pub fn new(wind: Tuple, grav: Tuple) -> Env {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tick` is never used
[INFO] [stdout]   --> src/world/mod.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn tick(env: Env, proj: Proj) -> Proj {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `negate` and `div` are never used
[INFO] [stdout]   --> src/colors/mod.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Color {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |   pub fn negate(&self) -> Color {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |   pub fn div(c: Color, a: f64) -> Color {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set` is never used
[INFO] [stdout]   --> src/matrix/mod.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Matrix {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |   pub fn set(&mut self, r: usize, c: usize, d: f64) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `origin` is never read
[INFO] [stdout]   --> src/shape/mod.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Shape {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 23 |   pub shape_type: ShapeType,
[INFO] [stdout] 24 |   pub origin: Tuple,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Shape` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `handle`, `transform`, and `material` are never read
[INFO] [stdout]   --> src/shape/plane.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Plane {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 14 |   pub handle: u32,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 15 |   pub transform: Matrix,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 16 |   pub material: Material,
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Plane` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/shape/plane.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Plane {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 20 |   pub fn new() -> Plane {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `origin`, `radius`, `handle`, and `transform` are never read
[INFO] [stdout]   --> src/shape/sphere.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Sphere {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 14 |   pub origin: Tuple,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 15 |   pub radius: f64,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 16 |   pub handle: u32,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 17 |   pub transform: Matrix,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sphere` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/pattern/checker.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Checker {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 10 |   a: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout] 11 |   b: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Checker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/pattern/checker.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Checker {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 15 |   pub fn new(color1: Color, color2: Color) -> Checker {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/pattern/gradient.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Gradient {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 10 |   a: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout] 11 |   b: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Gradient` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/pattern/gradient.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Gradient {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 15 |   pub fn new(color1: Color, color2: Color) -> Gradient {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/pattern/ring.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Ring {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 10 |   a: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout] 11 |   b: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ring` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/pattern/ring.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Ring {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 15 |   pub fn new(color1: Color, color2: Color) -> Ring {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/pattern/stripe.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Stripe {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 10 |   a: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout] 11 |   b: Color,
[INFO] [stdout]    |   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stripe` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/pattern/stripe.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Stripe {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 15 |   pub fn new(color1: Color, color2: Color) -> Stripe {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "b370fae77f16494be44fe61489beaee8eeb7ef44ef8b49f7e2d0f8aa959c2a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b370fae77f16494be44fe61489beaee8eeb7ef44ef8b49f7e2d0f8aa959c2a1a", kill_on_drop: false }`
[INFO] [stdout] b370fae77f16494be44fe61489beaee8eeb7ef44ef8b49f7e2d0f8aa959c2a1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3770a24f4dbe73f27fcc497c35b06e04da28fe745d7e64b3875f4aef8fa9ef74
[INFO] running `Command { std: "docker" "start" "-a" "3770a24f4dbe73f27fcc497c35b06e04da28fe745d7e64b3875f4aef8fa9ef74", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::material::Material`
[INFO] [stderr]  --> src/world/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::material::Material;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::matrix::Matrix`
[INFO] [stderr]  --> src/world/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::matrix::Matrix;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::shape::sphere::Sphere`
[INFO] [stderr]   --> src/world/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::shape::sphere::Sphere;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `canvas::Canvas`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use canvas::Canvas;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::shape::plane::Plane`
[INFO] [stderr]  --> src/intersections/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::shape::plane::Plane;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::shape::sphere::Sphere`
[INFO] [stderr]  --> src/intersections/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::shape::sphere::Sphere;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ray::Ray`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use ray::Ray;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::colors::Color`
[INFO] [stderr]  --> src/shape/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::colors::Color;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dot`
[INFO] [stderr]  --> src/shape/mod.rs:7:22
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::vectors::{dot, point, vector, Tuple};
[INFO] [stderr]   |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f64`
[INFO] [stderr]  --> src/shape/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::f64;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::colors::Color`
[INFO] [stderr]  --> src/shape/plane.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::colors::Color;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::transform::Transform`
[INFO] [stderr]  --> src/shape/plane.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::transform::Transform;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `dot` and `point`
[INFO] [stderr]  --> src/shape/plane.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::vectors::{dot, point, vector, Tuple};
[INFO] [stderr]   |                      ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f64`
[INFO] [stderr]   --> src/shape/plane.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::f64;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/shape/plane.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 |     if (ray.direction.y.abs() < 1e-10) {
[INFO] [stderr]    |        ^                             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 30 -     if (ray.direction.y.abs() < 1e-10) {
[INFO] [stderr] 30 +     if ray.direction.y.abs() < 1e-10 {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/light/mod.rs:60:6
[INFO] [stderr]    |
[INFO] [stderr] 60 |   if (is_in_shadow) {
[INFO] [stderr]    |      ^            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 60 -   if (is_in_shadow) {
[INFO] [stderr] 60 +   if is_in_shadow {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lighting`
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 | use light::{lighting, PointLight};
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tuple`
[INFO] [stderr]  --> src/camera/mod.rs:6:37
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::vectors::{point, vector, Tuple};
[INFO] [stderr]   |                                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/camera/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/camera/mod.rs:90:14
[INFO] [stderr]    |
[INFO] [stderr] 90 |     for y in (0..self.vsize) {
[INFO] [stderr]    |              ^             ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 90 -     for y in (0..self.vsize) {
[INFO] [stderr] 90 +     for y in 0..self.vsize {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/camera/mod.rs:91:16
[INFO] [stderr]    |
[INFO] [stderr] 91 |       for x in (0..self.hsize) {
[INFO] [stderr]    |                ^             ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 91 -       for x in (0..self.hsize) {
[INFO] [stderr] 91 +       for x in 0..self.hsize {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Tuple`
[INFO] [stderr]  --> src/material/mod.rs:5:37
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::vectors::{point, vector, Tuple};
[INFO] [stderr]   |                                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]   --> src/main.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 | use std::time::{Duration, Instant};
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vector`
[INFO] [stderr]  --> src/pattern/mod.rs:4:29
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::vectors::{point, vector, Tuple};
[INFO] [stderr]   |                             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::matrix::Matrix`
[INFO] [stderr]  --> src/pattern/checker.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::matrix::Matrix;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ShapeType` and `Shape`
[INFO] [stderr]  --> src/pattern/checker.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::shape::{Shape, ShapeType};
[INFO] [stderr]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vector`
[INFO] [stderr]  --> src/pattern/checker.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::vectors::{point, vector, Tuple};
[INFO] [stderr]   |                             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Transform`
[INFO] [stderr]  --> src/pattern/checker.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::Transform;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::matrix::Matrix`
[INFO] [stderr]  --> src/pattern/gradient.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::matrix::Matrix;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ShapeType` and `Shape`
[INFO] [stderr]  --> src/pattern/gradient.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::shape::{Shape, ShapeType};
[INFO] [stderr]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vector`
[INFO] [stderr]  --> src/pattern/gradient.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::vectors::{point, vector, Tuple};
[INFO] [stderr]   |                             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Transform`
[INFO] [stderr]  --> src/pattern/gradient.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::Transform;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::matrix::Matrix`
[INFO] [stderr]  --> src/pattern/ring.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::matrix::Matrix;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ShapeType` and `Shape`
[INFO] [stderr]  --> src/pattern/ring.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::shape::{Shape, ShapeType};
[INFO] [stderr]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vector`
[INFO] [stderr]  --> src/pattern/ring.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::vectors::{point, vector, Tuple};
[INFO] [stderr]   |                             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Transform`
[INFO] [stderr]  --> src/pattern/ring.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::Transform;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::matrix::Matrix`
[INFO] [stderr]  --> src/pattern/stripe.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::matrix::Matrix;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ShapeType` and `Shape`
[INFO] [stderr]  --> src/pattern/stripe.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::shape::{Shape, ShapeType};
[INFO] [stderr]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vector`
[INFO] [stderr]  --> src/pattern/stripe.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::vectors::{point, vector, Tuple};
[INFO] [stderr]   |                             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Transform`
[INFO] [stderr]  --> src/pattern/stripe.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::Transform;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/world/mod.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 196 |     return Color::mult(color, comps.object.material.transparency);
[INFO] [stderr]     |     ------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stderr] 197 |
[INFO] [stderr] 198 |     return color;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/canvas/mod.rs:42:65
[INFO] [stderr]    |
[INFO] [stderr] 42 |       Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/canvas/mod.rs:49:67
[INFO] [stderr]    |
[INFO] [stderr] 49 |       Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/world/mod.rs:320:7
[INFO] [stderr]     |
[INFO] [stderr] 320 |   let mut world = World::default_world2();
[INFO] [stderr]     |       ----^^^^^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/world/mod.rs:330:7
[INFO] [stderr]     |
[INFO] [stderr] 330 |   let mut world = World::default_world();
[INFO] [stderr]     |       ----^^^^^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/world/mod.rs:339:7
[INFO] [stderr]     |
[INFO] [stderr] 339 |   let mut world = World::default_world();
[INFO] [stderr]     |       ----^^^^^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/world/mod.rs:348:7
[INFO] [stderr]     |
[INFO] [stderr] 348 |   let mut world = World::default_world();
[INFO] [stderr]     |       ----^^^^^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/world/mod.rs:357:7
[INFO] [stderr]     |
[INFO] [stderr] 357 |   let mut world = World::default_world();
[INFO] [stderr]     |       ----^^^^^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/world/mod.rs:366:7
[INFO] [stderr]     |
[INFO] [stderr] 366 |   let mut world = World::default_world();
[INFO] [stderr]     |       ----^^^^^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `xs`
[INFO] [stderr]    --> src/world/mod.rs:525:7
[INFO] [stderr]     |
[INFO] [stderr] 525 |   let xs = world.intersect_world(r).intersections;
[INFO] [stderr]     |       ^^ help: if this is intentional, prefix it with an underscore: `_xs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hit`
[INFO] [stderr]   --> src/intersections/mod.rs:64:7
[INFO] [stderr]    |
[INFO] [stderr] 64 |   let hit = xs.hit();
[INFO] [stderr]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_hit`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `object`
[INFO] [stderr]   --> src/shape/plane.rs:46:20
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn normal_at(object: &Shape, local_point: Tuple) -> Tuple {
[INFO] [stderr]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `local_point`
[INFO] [stderr]   --> src/shape/plane.rs:46:36
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn normal_at(object: &Shape, local_point: Tuple) -> Tuple {
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_point`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `object`
[INFO] [stderr]   --> src/shape/sphere.rs:69:20
[INFO] [stderr]    |
[INFO] [stderr] 69 |   pub fn normal_at(object: &Shape, object_point: Tuple) -> Tuple {
[INFO] [stderr]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/shape/sphere.rs:253:7
[INFO] [stderr]     |
[INFO] [stderr] 253 |   let mut s = Sphere::new(point(0., 0., 0.), 1.);
[INFO] [stderr]     |       ----^
[INFO] [stderr]     |       |
[INFO] [stderr]     |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/light/mod.rs:30:7
[INFO] [stderr]    |
[INFO] [stderr] 30 |   let mut diffuse;
[INFO] [stderr]    |       ----^^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/light/mod.rs:31:7
[INFO] [stderr]    |
[INFO] [stderr] 31 |   let mut specular;
[INFO] [stderr]    |       ----^^^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/camera/mod.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut half_width;
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/camera/mod.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut half_height;
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/camera/mod.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut half_view = (fov / 2.0).tan();
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/pattern/stripe.rs:113:7
[INFO] [stderr]     |
[INFO] [stderr] 113 |   let x = Stripe::pattern_at(&pattern, point(-0.1, 0., 0.));
[INFO] [stderr]     |       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut floor_pattern = Pattern::new(
[INFO] [stderr]    |         ----^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |     let mut pattern = Pattern::new(
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let mut pattern = Pattern::new(
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Proj` is never constructed
[INFO] [stderr]   --> src/world/mod.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Proj {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Proj` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/world/mod.rs:22:10
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl Proj {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 22 |   pub fn new(pos: Tuple, vel: Tuple) -> Proj {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Env` is never constructed
[INFO] [stderr]   --> src/world/mod.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct Env {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Env` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/world/mod.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl Env {
[INFO] [stderr]    | -------- associated function in this implementation
[INFO] [stderr] 34 |   pub fn new(wind: Tuple, grav: Tuple) -> Env {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `tick` is never used
[INFO] [stderr]   --> src/world/mod.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn tick(env: Env, proj: Proj) -> Proj {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `negate` and `div` are never used
[INFO] [stderr]   --> src/colors/mod.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 8  | impl Color {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 19 |   pub fn negate(&self) -> Color {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |   pub fn div(c: Color, a: f64) -> Color {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `set` is never used
[INFO] [stderr]   --> src/matrix/mod.rs:23:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Matrix {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 23 |   pub fn set(&mut self, r: usize, c: usize, d: f64) {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `origin` is never read
[INFO] [stderr]   --> src/shape/mod.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct Shape {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 23 |   pub shape_type: ShapeType,
[INFO] [stderr] 24 |   pub origin: Tuple,
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Shape` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `handle`, `transform`, and `material` are never read
[INFO] [stderr]   --> src/shape/plane.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct Plane {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 14 |   pub handle: u32,
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr] 15 |   pub transform: Matrix,
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr] 16 |   pub material: Material,
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Plane` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/shape/plane.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Plane {
[INFO] [stderr]    | ---------- associated function in this implementation
[INFO] [stderr] 20 |   pub fn new() -> Plane {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `origin`, `radius`, `handle`, and `transform` are never read
[INFO] [stderr]   --> src/shape/sphere.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct Sphere {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 14 |   pub origin: Tuple,
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr] 15 |   pub radius: f64,
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr] 16 |   pub handle: u32,
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr] 17 |   pub transform: Matrix,
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Sphere` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stderr]   --> src/pattern/checker.rs:10:3
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub struct Checker {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] 10 |   a: Color,
[INFO] [stderr]    |   ^
[INFO] [stderr] 11 |   b: Color,
[INFO] [stderr]    |   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Checker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/pattern/checker.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Checker {
[INFO] [stderr]    | ------------ associated function in this implementation
[INFO] [stderr] 15 |   pub fn new(color1: Color, color2: Color) -> Checker {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stderr]   --> src/pattern/gradient.rs:10:3
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub struct Gradient {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 10 |   a: Color,
[INFO] [stderr]    |   ^
[INFO] [stderr] 11 |   b: Color,
[INFO] [stderr]    |   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Gradient` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/pattern/gradient.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Gradient {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 15 |   pub fn new(color1: Color, color2: Color) -> Gradient {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stderr]   --> src/pattern/ring.rs:10:3
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub struct Ring {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 10 |   a: Color,
[INFO] [stderr]    |   ^
[INFO] [stderr] 11 |   b: Color,
[INFO] [stderr]    |   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Ring` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/pattern/ring.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Ring {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 15 |   pub fn new(color1: Color, color2: Color) -> Ring {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stderr]   --> src/pattern/stripe.rs:10:3
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub struct Stripe {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 10 |   a: Color,
[INFO] [stderr]    |   ^
[INFO] [stderr] 11 |   b: Color,
[INFO] [stderr]    |   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Stripe` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/pattern/stripe.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Stripe {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 15 |   pub fn new(color1: Color, color2: Color) -> Stripe {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ray_tracer` (bin "ray_tracer" test) generated 83 warnings (run `cargo fix --bin "ray_tracer" --tests` to apply 55 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ray_tracer-b03862b9590b9773)
[INFO] [stdout] 
[INFO] [stdout] running 169 tests
[INFO] [stdout] test camera::constructing_a_ray_through_corner_of_canvas ... ok
[INFO] [stdout] test camera::constructing_a_ray_through_center_of_canvas ... ok
[INFO] [stdout] test camera::constructing_a_ray_when_the_camera_is_transformed ... ok
[INFO] [stdout] test camera::constructing_a_camera ... ok
[INFO] [stdout] test camera::pixel_size_for_a_vertical_canvas ... ok
[INFO] [stdout] test camera::pixel_size_for_a_horizontal_canvas ... ok
[INFO] [stdout] test canvas::it_writes_a_pixel ... ok
[INFO] [stdout] test colors::it_adds_color ... ok
[INFO] [stdout] test colors::it_scales_a_color ... ok
[INFO] [stdout] test colors::it_subs_color ... ok
[INFO] [stdout] test intersections::intersection_encapsulates_a_t_and_object ... ok
[INFO] [stdout] test colors::it_multiplies_two_colors ... ok
[INFO] [stdout] test intersections::intersections_hit_when_all_intersections_are_postive ... ok
[INFO] [stdout] test intersections::schlick_approximation_under_a_perpendicular_viewing_angle ... ok
[INFO] [stdout] test intersections::intersections_hit_when_intersections_are_inside ... ok
[INFO] [stdout] test intersections::intersections_aggregate_2 ... ok
[INFO] [stdout] test intersections::intersections_aggregate ... ok
[INFO] [stdout] test intersections::precompute_the_reflection_vector ... ok
[INFO] [stdout] test intersections::the_hit_when_an_intersection_occurs_on_outside ... ok
[INFO] [stdout] test intersections::the_hit_when_an_intersection_occurs_on_inside ... ok
[INFO] [stdout] test intersections::intersections_hit_is_lowest_non_negative ... ok
[INFO] [stdout] test intersections::precompute_the_state_of_an_intersection ... ok
[INFO] [stdout] test intersections::intersections_hit_when_intersections_are_negative ... ok
[INFO] [stdout] test intersections::schlick_approximation_under_total_internal_reflection ... ok
[INFO] [stdout] test intersections::schlick_approximation_with_small_angle_and_n2_greater_than_n1 ... ok
[INFO] [stdout] test intersections::the_hit_should_offset_the_point ... ok
[INFO] [stdout] test light::lighting_with_eye_between_light_and_surface ... ok
[INFO] [stdout] test light::lighting_with_eye_between_light_and_surface_eye_at_45 ... ok
[INFO] [stdout] test matrix::it_calculates_determinant_of_2x2_pt2 ... ok
[INFO] [stdout] test light::a_point_light_has_position_and_intensity ... ok
[INFO] [stdout] test matrix::it_calculates_determinant_of_3x3 ... ok
[INFO] [stdout] test light::lighting_with_light_behind_surface ... ok
[INFO] [stdout] test material::create_a_new_material ... ok
[INFO] [stdout] test camera::rendering_a_world_with_a_camera ... ok
[INFO] [stdout] test light::lighting_with_with_the_surface_in_shadow ... ok
[INFO] [stdout] test light::lighting_with_eye_between_light_and_surface_light_at_45 ... ok
[INFO] [stdout] test material::lighting_an_applied_pattern ... ok
[INFO] [stdout] test light::lighting_with_eye_in_path_of_reflection ... ok
[INFO] [stdout] test matrix::it_creates_a_3x3_matrix ... ok
[INFO] [stdout] test matrix::it_gets_minor_of_3x3 ... ok
[INFO] [stdout] test matrix::it_inverts_a_matrix ... ok
[INFO] [stdout] test matrix::it_calculates_determinant_of_4x4 ... ok
[INFO] [stdout] test matrix::it_creates_a_2x2_matrix ... ok
[INFO] [stdout] test matrix::it_creates_a_4x4_matrix ... ok
[INFO] [stdout] test intersections::the_under_point_is_offset_below_the_surface ... ok
[INFO] [stdout] test matrix::it_checks_for_not_equality_for_different_matrices ... ok
[INFO] [stdout] test matrix::it_multiplies_matrices ... ok
[INFO] [stdout] test matrix::it_multiplies_matrices_by_tuple ... ok
[INFO] [stdout] test matrix::it_multiplies_matrix_by_identity ... ok
[INFO] [stdout] test matrix::it_checks_if_invertible ... ok
[INFO] [stdout] test matrix::it_gets_cofactor_of_3x3_odd ... ok
[INFO] [stdout] test matrix::it_checks_for_equality_for_identical_matrices ... ok
[INFO] [stdout] test matrix::it_checks_if_not_invertible ... ok
[INFO] [stdout] test pattern::checker::checker_should_repeat_in_x ... ok
[INFO] [stdout] test matrix::it_returns_submatrix_of_3x3 ... ok
[INFO] [stdout] test matrix::it_returns_submatrix_of_4x4 ... ok
[INFO] [stdout] test matrix::it_transposes_a_matrix ... ok
[INFO] [stdout] test matrix::it_transposes_an_identity_matrix ... ok
[INFO] [stdout] test pattern::checker::checker_should_repeat_in_z ... ok
[INFO] [stdout] test pattern::checker::checker_should_repeat_in_y ... ok
[INFO] [stdout] test pattern::ring::creating_a_ring ... ok
[INFO] [stdout] test pattern::stripe::a_stripe_pattern_is_constant_in_y ... ok
[INFO] [stdout] test pattern::pattern_with_an_object_transformation ... ok
[INFO] [stdout] test pattern::stripe::creating_a_stripe_pattern ... ok
[INFO] [stdout] test matrix::it_gets_cofactor_of_3x3_even ... ok
[INFO] [stdout] test pattern::pattern_with_both_object_and_pattern_transformation ... ok
[INFO] [stdout] test pattern::gradient::creating_a_gradient ... ok
[INFO] [stdout] test pattern::stripes_with_an_object_transformation ... ok
[INFO] [stdout] test pattern::stripes_with_both_object_and_pattern_transformation ... ok
[INFO] [stdout] test ray::it_computes_position_over_t ... ok
[INFO] [stdout] test ray::it_scales_a_ray ... ok
[INFO] [stdout] test pattern::stripes_with_a_pattern_transformation ... ok
[INFO] [stdout] test ray::it_translates_a_ray ... ok
[INFO] [stdout] test pattern::pattern_with_a_pattern_transformation ... ok
[INFO] [stdout] test pattern::stripe::a_stripe_pattern_is_constant_in_z ... ok
[INFO] [stdout] test shape::assigns_a_transformation ... ok
[INFO] [stdout] test shape::assigns_a_material ... ok
[INFO] [stdout] test shape::finding_n1_and_n2_and_various_intersections ... ok
[INFO] [stdout] test shape::plane::the_normal_of_a_plane_is_constant_everywhere ... ok
[INFO] [stdout] test shape::sphere::a_sphere_can_change_its_material ... ok
[INFO] [stdout] test shape::sphere::can_set_transformation ... ok
[INFO] [stdout] test shape::sphere::default_transformation_is_identity ... ok
[INFO] [stdout] test shape::sphere::intersecting_scaled_sphere_with_a_ray ... ok
[INFO] [stdout] test shape::sphere::compute_normal_on_a_translated_sphere ... ok
[INFO] [stdout] test shape::sphere::intersecting_translated_sphere_with_a_ray ... ok
[INFO] [stdout] test shape::sphere::it_computes_intersects_2 ... ok
[INFO] [stdout] test shape::sphere::it_computes_intersects_3 ... ok
[INFO] [stdout] test shape::sphere::compute_normal_at_a_non_axial_point ... ok
[INFO] [stdout] test pattern::stripe::a_stripe_pattern_alternates_in_x ... ok
[INFO] [stdout] test shape::sphere::a_sphere_has_a_default_material ... ok
[INFO] [stdout] test shape::sphere::compute_normal_at_a_point_on_y_axis ... ok
[INFO] [stdout] test shape::sphere::compute_normal_at_a_point_on_x_axis ... ok
[INFO] [stdout] test shape::creates_a_glass_sphere ... ok
[INFO] [stdout] test shape::sphere::compute_normal_at_a_point_on_z_axis ... ok
[INFO] [stdout] test shape::sphere::compute_normal_on_a_transformed_sphere ... ok
[INFO] [stdout] test shape::sphere::it_computes_intersects_4 ... ok
[INFO] [stdout] test shape::sphere::it_computes_intersects_1 ... ok
[INFO] [stdout] test shape::sphere::the_normal_is_a_normalized_vector ... ok
[INFO] [stdout] test shape::the_default_transformation ... ok
[INFO] [stdout] test transform::a_view_transformation_matrix_looking_in_positive_z_direction ... ok
[INFO] [stdout] test shape::sphere::it_computes_intersects_5 ... ok
[INFO] [stdout] test transform::it_chains_transformations_in_reverse_order ... ok
[INFO] [stdout] test transform::an_arbitrary_view_transformation ... ok
[INFO] [stdout] test transform::it_scales_point ... ok
[INFO] [stdout] test transform::it_scales_vector ... ok
[INFO] [stdout] test transform::it_scales_reflects ... ok
[INFO] [stdout] test transform::it_rotates_a_point_around_x_axis ... ok
[INFO] [stdout] test transform::it_shears_along_x_in_proportion_to_y ... ok
[INFO] [stdout] test transform::it_individual_transforms_work_sequentially ... ok
[INFO] [stdout] test transform::it_shears_along_x_in_proportion_to_z ... ok
[INFO] [stdout] test transform::it_shears_along_y_in_proportion_to_x ... ok
[INFO] [stdout] test transform::it_shears_along_y_in_proportion_to_z ... ok
[INFO] [stdout] test transform::it_scales_inverse_vector ... ok
[INFO] [stdout] test transform::it_shears_along_z_in_proportion_to_x ... ok
[INFO] [stdout] test transform::it_rotates_a_point_around_x_axis_opposite_direction ... ok
[INFO] [stdout] test transform::it_rotates_a_point_around_y_axis ... ok
[INFO] [stdout] test transform::it_shears_along_z_in_proportion_to_y ... ok
[INFO] [stdout] test transform::it_rotates_a_point_around_z_axis ... ok
[INFO] [stdout] test transform::it_translates ... ok
[INFO] [stdout] test transform::it_translates_inverse ... ok
[INFO] [stdout] test transform::it_translates_inverse_vector ... ok
[INFO] [stdout] test transform::the_transformation_matrix_for_the_default_orientation ... ok
[INFO] [stdout] test transform::the_view_transformation_matrix_moves_the_world ... ok
[INFO] [stdout] test vectors::it_adds_two_tuples ... ok
[INFO] [stdout] test canvas::it_writes_to_ppm ... FAILED
[INFO] [stdout] test vectors::it_computes_cross_product ... ok
[INFO] [stdout] test vectors::it_computes_dot_product ... ok
[INFO] [stdout] test vectors::it_creates_a_point ... ok
[INFO] [stdout] test vectors::it_creates_a_tuple_where_w_0_is_a_vector ... ok
[INFO] [stdout] test vectors::it_divides_a_tuple ... ok
[INFO] [stdout] test vectors::normalizes_vector_1_2_3 ... ok
[INFO] [stdout] test vectors::it_scales_a_tuple ... ok
[INFO] [stdout] test vectors::vector_0_0_1_magnitude_is_1 ... ok
[INFO] [stdout] test vectors::reflect_a_45_deg_vector_rotated ... ok
[INFO] [stdout] test vectors::normalizes_vector_4_0_0 ... ok
[INFO] [stdout] test vectors::vector_1_2_3_magnitude_is_root_14 ... ok
[INFO] [stdout] test vectors::vector_0_1_0_magnitude_is_1 ... ok
[INFO] [stdout] test vectors::vector_minus1_minus2_minus3_magnitude_is_root_14 ... ok
[INFO] [stdout] test world::new_world_contains_no_light_or_objects ... ok
[INFO] [stdout] test vectors::it_creates_a_vector ... ok
[INFO] [stdout] test vectors::it_negates_a_tuple ... ok
[INFO] [stdout] test vectors::reflect_a_45_deg_vector ... ok
[INFO] [stdout] test canvas::it_creates_a_canvas ... FAILED
[INFO] [stdout] test vectors::it_subtracts_a_vector_from_zero_vector ... ok
[INFO] [stdout] test vectors::magnitude_of_normalized_vector ... ok
[INFO] [stdout] test vectors::it_subtracts_two_tuples ... ok
[INFO] [stdout] test world::color_at_with_mutually_reflective_surfaces ... ok
[INFO] [stdout] test vectors::it_subtracts_a_vector_from_a_point ... ok
[INFO] [stdout] test world::ray_along_z_axis_intersects_default_world ... ok
[INFO] [stdout] test world::refracted_color_at_maximum_recursion_depth ... ok
[INFO] [stdout] test world::default_world_contains_some_light_or_objects ... ok
[INFO] [stdout] test world::refracted_color_at_total_internal_reflection ... ok
[INFO] [stdout] test world::refracted_color_of_an_opaque_surface ... ok
[INFO] [stdout] test world::shading_an_intersection ... ok
[INFO] [stdout] test world::shading_an_intersection_from_inside ... ok
[INFO] [stdout] test world::the_reflected_color_at_maximum_recursion_depth ... ok
[INFO] [stdout] test world::the_reflected_color_of_a_non_reflective_material ... ok
[INFO] [stdout] test world::there_is_no_shadow_when_nothing_is_collinear_with_point_and_light ... ok
[INFO] [stdout] test world::the_color_when_a_ray_misses ... ok
[INFO] [stdout] test world::the_reflected_color_of_a_reflective_material ... ok
[INFO] [stdout] test world::refracted_color_with_a_refracted_ray ... ok
[INFO] [stdout] test world::shade_hit_of_a_reflective_material ... ok
[INFO] [stdout] test world::the_color_with_an_intersection_from_behind ... ok
[INFO] [stdout] test world::there_is_no_shadow_when_an_object_is_behind_the_point ... ok
[INFO] [stdout] test world::the_color_when_a_ray_hits ... ok
[INFO] [stdout] test world::shade_hit_with_a_transparent_material ... ok
[INFO] [stdout] test world::there_is_a_shadow_when_an_object_is_between_the_point_and_the_light ... ok
[INFO] [stdout] test world::there_is_no_shadow_when_an_object_is_behind_the_light ... ok
[INFO] [stdout] test world::shade_hit_with_a_reflective_and_transparent_material ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- canvas::it_writes_to_ppm stdout ----
[INFO] [stdout] thread 'canvas::it_writes_to_ppm' panicked at src/canvas/mod.rs:42:19:
[INFO] [stdout] couldn't create ./test-output.ppm: read-only filesystem or storage medium
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57b2798d8b2a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x57b2798d8b2a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x57b2798d8b2a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x57b2798d8b2a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x57b2798fec23 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x57b2798fec23 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x57b2798d5c33 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x57b2798d8972 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x57b2798d9fad - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x57b2798d9db7 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x57b27982a1f7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x57b27982a1f7 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x57b2798da658 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x57b2798da658 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x57b2798da41a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x57b2798d9009 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x57b2798da0ac - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x57b2797a4b00 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x57b2797b2465 - ray_tracer::canvas::Canvas::write::h949e4d4b010af88e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:42:19
[INFO] [stdout]   19:     0x57b2797b3d7b - ray_tracer::canvas::it_writes_to_ppm::hfdaa755454e3c221
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:120:3
[INFO] [stdout]   20:     0x57b2797b3ce7 - ray_tracer::canvas::it_writes_to_ppm::{{closure}}::haa0c494ac7a706cf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:115:22
[INFO] [stdout]   21:     0x57b2797dacd6 - core::ops::function::FnOnce::call_once::habec8197a3580f3c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x57b27982ed1b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x57b27982ed1b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   24:     0x57b27982e708 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   25:     0x57b27982e708 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x57b27982e708 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   27:     0x57b27982e708 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   28:     0x57b27982e708 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   29:     0x57b27982e708 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   30:     0x57b27982e708 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   31:     0x57b2797f21aa - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   32:     0x57b2797f21aa - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   33:     0x57b2797f5b24 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   34:     0x57b2797f5b24 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x57b2797f5b24 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   36:     0x57b2797f5b24 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   37:     0x57b2797f5b24 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   38:     0x57b2797f5b24 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   39:     0x57b2797f5b24 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x57b2798de6ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   41:     0x57b2798de6ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x57b2798de6ab - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   43:     0x798fa149bac3 - <unknown>
[INFO] [stdout]   44:     0x798fa152ca04 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- canvas::it_creates_a_canvas stdout ----
[INFO] [stdout] thread 'canvas::it_creates_a_canvas' panicked at src/canvas/mod.rs:42:19:
[INFO] [stdout] couldn't create ./test-output.ppm: read-only filesystem or storage medium
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57b2798d8b2a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x57b2798d8b2a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x57b2798d8b2a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x57b2798d8b2a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x57b2798fec23 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x57b2798fec23 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x57b2798d5c33 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x57b2798d8972 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x57b2798d9fad - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x57b2798d9db7 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x57b27982a1f7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x57b27982a1f7 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x57b2798da658 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x57b2798da658 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x57b2798da41a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x57b2798d9009 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x57b2798da0ac - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x57b2797a4b00 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x57b2797b2465 - ray_tracer::canvas::Canvas::write::h949e4d4b010af88e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:42:19
[INFO] [stdout]   19:     0x57b2797b3905 - ray_tracer::canvas::it_creates_a_canvas::hfd84d24934a5ee80
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:96:3
[INFO] [stdout]   20:     0x57b2797b3877 - ray_tracer::canvas::it_creates_a_canvas::{{closure}}::h7609cea1719f6bd3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:90:25
[INFO] [stdout]   21:     0x57b2797db9a6 - core::ops::function::FnOnce::call_once::hf977ee78fd7eef22
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x57b27982ed1b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x57b27982ed1b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   24:     0x57b27982e708 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   25:     0x57b27982e708 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x57b27982e708 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   27:     0x57b27982e708 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   28:     0x57b27982e708 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   29:     0x57b27982e708 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   30:     0x57b27982e708 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   31:     0x57b2797f21aa - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   32:     0x57b2797f21aa - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   33:     0x57b2797f5b24 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   34:     0x57b2797f5b24 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x57b2797f5b24 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   36:     0x57b2797f5b24 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   37:     0x57b2797f5b24 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   38:     0x57b2797f5b24 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   39:     0x57b2797f5b24 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x57b2798de6ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   41:     0x57b2798de6ab - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x57b2798de6ab - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   43:     0x798fa149bac3 - <unknown>
[INFO] [stdout]   44:     0x798fa152ca04 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     canvas::it_creates_a_canvas
[INFO] [stdout]     canvas::it_writes_to_ppm
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 167 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin ray_tracer`
[INFO] running `Command { std: "docker" "inspect" "3770a24f4dbe73f27fcc497c35b06e04da28fe745d7e64b3875f4aef8fa9ef74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3770a24f4dbe73f27fcc497c35b06e04da28fe745d7e64b3875f4aef8fa9ef74", kill_on_drop: false }`
[INFO] [stdout] 3770a24f4dbe73f27fcc497c35b06e04da28fe745d7e64b3875f4aef8fa9ef74
