[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 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Featrero%2Frust_ray_tracer" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eatrero/rust_ray_tracer on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-6-tc1/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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/rand`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rdrand v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d69fe5ad7bf6ef6666196807b5cad21ac6fdf476ce27709572de72bac57dbd00
[INFO] running `Command { std: "docker" "start" "-a" "d69fe5ad7bf6ef6666196807b5cad21ac6fdf476ce27709572de72bac57dbd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d69fe5ad7bf6ef6666196807b5cad21ac6fdf476ce27709572de72bac57dbd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69fe5ad7bf6ef6666196807b5cad21ac6fdf476ce27709572de72bac57dbd00", kill_on_drop: false }`
[INFO] [stdout] d69fe5ad7bf6ef6666196807b5cad21ac6fdf476ce27709572de72bac57dbd00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f77037573305842271f99406a3ddd3d35a618a4ccaa474d89698252e0b760566
[INFO] running `Command { std: "docker" "start" "-a" "f77037573305842271f99406a3ddd3d35a618a4ccaa474d89698252e0b760566", 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_hc v0.1.0 (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_pcg v0.1.2 (https://github.com/rust-lang/rand#8d7d0b6d)
[INFO] [stderr]    Compiling rand v0.6.5 (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 memoffset v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3 (https://github.com/rust-lang/rand#8d7d0b6d)
[INFO] [stderr]    Compiling rand_xorshift v0.1.1 (https://github.com/rust-lang/rand#8d7d0b6d)
[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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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: 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: fields `wind` and `grav` are never read
[INFO] [stdout]   --> src/world/mod.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Env {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 29 |   wind: Tuple, // vector
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 30 |   grav: Tuple, // vector
[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: 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: 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: 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: 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] [stdout] warning: 106 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.07s
[INFO] running `Command { std: "docker" "inspect" "f77037573305842271f99406a3ddd3d35a618a4ccaa474d89698252e0b760566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f77037573305842271f99406a3ddd3d35a618a4ccaa474d89698252e0b760566", kill_on_drop: false }`
[INFO] [stdout] f77037573305842271f99406a3ddd3d35a618a4ccaa474d89698252e0b760566
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a13aef5ab02227395ec574de0d3cc479021144af1e727ca8b3f3ed91a16595aa
[INFO] running `Command { std: "docker" "start" "-a" "a13aef5ab02227395ec574de0d3cc479021144af1e727ca8b3f3ed91a16595aa", 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`, `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`, `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`, `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`, `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`, `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: 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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wind` and `grav` are never read
[INFO] [stdout]   --> src/world/mod.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Env {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 29 |   wind: Tuple, // vector
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 30 |   grav: Tuple, // vector
[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: 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 `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] [stdout] warning: 79 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "a13aef5ab02227395ec574de0d3cc479021144af1e727ca8b3f3ed91a16595aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13aef5ab02227395ec574de0d3cc479021144af1e727ca8b3f3ed91a16595aa", kill_on_drop: false }`
[INFO] [stdout] a13aef5ab02227395ec574de0d3cc479021144af1e727ca8b3f3ed91a16595aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4726d6b915383b672e4c7788a53146dd4ddad15bd827345f441b135cc06cde64
[INFO] running `Command { std: "docker" "start" "-a" "4726d6b915383b672e4c7788a53146dd4ddad15bd827345f441b135cc06cde64", 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`, `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`, `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`, `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`, `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`, `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: 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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `wind` and `grav` are never read
[INFO] [stderr]   --> src/world/mod.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct Env {
[INFO] [stderr]    |            --- fields in this struct
[INFO] [stderr] 29 |   wind: Tuple, // vector
[INFO] [stderr]    |   ^^^^
[INFO] [stderr] 30 |   grav: Tuple, // vector
[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: 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 `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 79 warnings (run `cargo fix --bin "ray_tracer" --tests` to apply 61 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ray_tracer-ba5b1ccc51b5200b)
[INFO] [stdout] 
[INFO] [stdout] running 169 tests
[INFO] [stdout] test camera::pixel_size_for_a_vertical_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 canvas::it_writes_a_pixel ... ok
[INFO] [stdout] test camera::pixel_size_for_a_horizontal_canvas ... ok
[INFO] [stdout] test colors::it_multiplies_two_colors ... ok
[INFO] [stdout] test camera::constructing_a_ray_through_corner_of_canvas ... ok
[INFO] [stdout] test camera::constructing_a_camera ... ok
[INFO] [stdout] test colors::it_adds_color ... ok
[INFO] [stdout] test colors::it_scales_a_color ... ok
[INFO] [stdout] test intersections::intersections_aggregate ... ok
[INFO] [stdout] test intersections::intersection_encapsulates_a_t_and_object ... ok
[INFO] [stdout] test intersections::intersections_aggregate_2 ... ok
[INFO] [stdout] test colors::it_subs_color ... ok
[INFO] [stdout] test intersections::intersections_hit_is_lowest_non_negative ... ok
[INFO] [stdout] test intersections::intersections_hit_when_intersections_are_inside ... ok
[INFO] [stdout] test intersections::precompute_the_reflection_vector ... ok
[INFO] [stdout] test intersections::intersections_hit_when_all_intersections_are_postive ... ok
[INFO] [stdout] test canvas::it_creates_a_canvas ... FAILED
[INFO] [stdout] test intersections::precompute_the_state_of_an_intersection ... ok
[INFO] [stdout] test intersections::schlick_approximation_under_a_perpendicular_viewing_angle ... ok
[INFO] [stdout] test intersections::schlick_approximation_under_total_internal_reflection ... ok
[INFO] [stdout] test canvas::it_writes_to_ppm ... FAILED
[INFO] [stdout] test intersections::intersections_hit_when_intersections_are_negative ... ok
[INFO] [stdout] test light::a_point_light_has_position_and_intensity ... ok
[INFO] [stdout] test intersections::the_hit_when_an_intersection_occurs_on_outside ... 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 light::lighting_with_light_behind_surface ... 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 camera::rendering_a_world_with_a_camera ... ok
[INFO] [stdout] test light::lighting_with_eye_in_path_of_reflection ... ok
[INFO] [stdout] test intersections::the_hit_when_an_intersection_occurs_on_inside ... ok
[INFO] [stdout] test intersections::the_under_point_is_offset_below_the_surface ... ok
[INFO] [stdout] test matrix::it_calculates_determinant_of_2x2_pt2 ... ok
[INFO] [stdout] test matrix::it_calculates_determinant_of_3x3 ... ok
[INFO] [stdout] test material::create_a_new_material ... ok
[INFO] [stdout] test material::lighting_an_applied_pattern ... ok
[INFO] [stdout] test matrix::it_calculates_determinant_of_4x4 ... ok
[INFO] [stdout] test matrix::it_checks_for_not_equality_for_different_matrices ... ok
[INFO] [stdout] test matrix::it_checks_if_invertible ... ok
[INFO] [stdout] test matrix::it_checks_if_not_invertible ... ok
[INFO] [stdout] test matrix::it_creates_a_2x2_matrix ... ok
[INFO] [stdout] test matrix::it_inverts_a_matrix ... ok
[INFO] [stdout] test matrix::it_checks_for_equality_for_identical_matrices ... ok
[INFO] [stdout] test matrix::it_multiplies_matrix_by_identity ... 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_multiplies_matrices ... ok
[INFO] [stdout] test matrix::it_multiplies_matrices_by_tuple ... ok
[INFO] [stdout] test matrix::it_gets_cofactor_of_3x3_even ... ok
[INFO] [stdout] test matrix::it_transposes_an_identity_matrix ... 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_gets_cofactor_of_3x3_odd ... ok
[INFO] [stdout] test matrix::it_creates_a_4x4_matrix ... ok
[INFO] [stdout] test pattern::checker::checker_should_repeat_in_x ... ok
[INFO] [stdout] test pattern::gradient::creating_a_gradient ... 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::pattern_with_an_object_transformation ... ok
[INFO] [stdout] test pattern::pattern_with_both_object_and_pattern_transformation ... ok
[INFO] [stdout] test pattern::pattern_with_a_pattern_transformation ... ok
[INFO] [stdout] test pattern::stripe::creating_a_stripe_pattern ... ok
[INFO] [stdout] test pattern::stripes_with_an_object_transformation ... ok
[INFO] [stdout] test pattern::stripe::a_stripe_pattern_is_constant_in_y ... ok
[INFO] [stdout] test pattern::stripe::a_stripe_pattern_is_constant_in_z ... ok
[INFO] [stdout] test ray::it_computes_position_over_t ... ok
[INFO] [stdout] test pattern::stripes_with_a_pattern_transformation ... ok
[INFO] [stdout] test ray::it_translates_a_ray ... ok
[INFO] [stdout] test pattern::stripes_with_both_object_and_pattern_transformation ... ok
[INFO] [stdout] test shape::assigns_a_material ... ok
[INFO] [stdout] test shape::assigns_a_transformation ... ok
[INFO] [stdout] test pattern::stripe::a_stripe_pattern_alternates_in_x ... ok
[INFO] [stdout] test shape::creates_a_glass_sphere ... ok
[INFO] [stdout] test ray::it_scales_a_ray ... ok
[INFO] [stdout] test pattern::ring::creating_a_ring ... ok
[INFO] [stdout] test shape::sphere::compute_normal_at_a_non_axial_point ... ok
[INFO] [stdout] test shape::sphere::compute_normal_at_a_point_on_x_axis ... 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::compute_normal_at_a_point_on_y_axis ... ok
[INFO] [stdout] test shape::sphere::a_sphere_can_change_its_material ... ok
[INFO] [stdout] test shape::sphere::a_sphere_has_a_default_material ... ok
[INFO] [stdout] test shape::sphere::can_set_transformation ... ok
[INFO] [stdout] test shape::sphere::compute_normal_on_a_translated_sphere ... ok
[INFO] [stdout] test shape::sphere::default_transformation_is_identity ... ok
[INFO] [stdout] test shape::sphere::it_computes_intersects_1 ... ok
[INFO] [stdout] test shape::sphere::intersecting_scaled_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::it_computes_intersects_5 ... ok
[INFO] [stdout] test transform::a_view_transformation_matrix_looking_in_positive_z_direction ... ok
[INFO] [stdout] test shape::sphere::intersecting_translated_sphere_with_a_ray ... 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 transform::an_arbitrary_view_transformation ... ok
[INFO] [stdout] test transform::it_chains_transformations_in_reverse_order ... ok
[INFO] [stdout] test transform::it_rotates_a_point_around_x_axis ... ok
[INFO] [stdout] test transform::it_rotates_a_point_around_x_axis_opposite_direction ... ok
[INFO] [stdout] test transform::it_individual_transforms_work_sequentially ... ok
[INFO] [stdout] test transform::it_rotates_a_point_around_z_axis ... ok
[INFO] [stdout] test transform::it_scales_point ... ok
[INFO] [stdout] test transform::it_scales_reflects ... ok
[INFO] [stdout] test transform::it_scales_inverse_vector ... ok
[INFO] [stdout] test transform::it_rotates_a_point_around_y_axis ... 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::it_scales_vector ... ok
[INFO] [stdout] test transform::it_shears_along_x_in_proportion_to_y ... ok
[INFO] [stdout] test transform::it_shears_along_x_in_proportion_to_z ... ok
[INFO] [stdout] test shape::sphere::compute_normal_at_a_point_on_z_axis ... ok
[INFO] [stdout] test transform::it_shears_along_y_in_proportion_to_z ... ok
[INFO] [stdout] test transform::it_translates_inverse ... ok
[INFO] [stdout] test transform::it_shears_along_z_in_proportion_to_y ... ok
[INFO] [stdout] test transform::it_shears_along_z_in_proportion_to_x ... ok
[INFO] [stdout] test transform::the_view_transformation_matrix_moves_the_world ... ok
[INFO] [stdout] test transform::it_shears_along_y_in_proportion_to_x ... ok
[INFO] [stdout] test transform::it_translates ... ok
[INFO] [stdout] test vectors::it_adds_two_tuples ... ok
[INFO] [stdout] test transform::the_transformation_matrix_for_the_default_orientation ... ok
[INFO] [stdout] test vectors::it_computes_dot_product ... ok
[INFO] [stdout] test vectors::it_creates_a_point ... ok
[INFO] [stdout] test transform::it_translates_inverse_vector ... ok
[INFO] [stdout] test vectors::it_computes_cross_product ... ok
[INFO] [stdout] test vectors::it_creates_a_tuple_where_w_0_is_a_vector ... ok
[INFO] [stdout] test vectors::it_creates_a_vector ... ok
[INFO] [stdout] test vectors::it_divides_a_tuple ... ok
[INFO] [stdout] test vectors::it_negates_a_tuple ... ok
[INFO] [stdout] test vectors::it_subtracts_two_tuples ... ok
[INFO] [stdout] test vectors::reflect_a_45_deg_vector ... ok
[INFO] [stdout] test vectors::normalizes_vector_1_2_3 ... ok
[INFO] [stdout] test vectors::it_subtracts_a_vector_from_a_point ... ok
[INFO] [stdout] test vectors::magnitude_of_normalized_vector ... ok
[INFO] [stdout] test vectors::reflect_a_45_deg_vector_rotated ... ok
[INFO] [stdout] test vectors::it_subtracts_a_vector_from_zero_vector ... ok
[INFO] [stdout] test vectors::vector_0_1_0_magnitude_is_1 ... 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_0_1_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 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_at_maximum_recursion_depth ... ok
[INFO] [stdout] test world::shade_hit_with_a_transparent_material ... ok
[INFO] [stdout] test world::shade_hit_with_a_reflective_and_transparent_material ... ok
[INFO] [stdout] test vectors::it_scales_a_tuple ... ok
[INFO] [stdout] test world::refracted_color_with_a_refracted_ray ... ok
[INFO] [stdout] test world::refracted_color_of_an_opaque_surface ... ok
[INFO] [stdout] test world::color_at_with_mutually_reflective_surfaces ... ok
[INFO] [stdout] test world::shading_an_intersection ... ok
[INFO] [stdout] test world::the_color_when_a_ray_hits ... ok
[INFO] [stdout] test world::the_color_when_a_ray_misses ... ok
[INFO] [stdout] test world::shading_an_intersection_from_inside ... ok
[INFO] [stdout] test world::ray_along_z_axis_intersects_default_world ... ok
[INFO] [stdout] test world::the_color_with_an_intersection_from_behind ... ok
[INFO] [stdout] test world::shade_hit_of_a_reflective_material ... 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_an_object_is_behind_the_light ... ok
[INFO] [stdout] test world::there_is_no_shadow_when_an_object_is_behind_the_point ... 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_nothing_is_collinear_with_point_and_light ... ok
[INFO] [stdout] test world::the_reflected_color_of_a_reflective_material ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[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:     0x55c6abea1f66 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55c6abea1f66 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c6abea1f66 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55c6abea1f66 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55c6abecb3b0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55c6abecb3b0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55c6abe9f95f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55c6abea1d44 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55c6abea1d44 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55c6abea3ab7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55c6abea379d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55c6abdedb87 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55c6abdedb87 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55c6abea40d6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55c6abea40d6 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55c6abea3e22 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55c6abea2466 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55c6abea3b80 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55c6abd69ce5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55c6abda423f - ray_tracer::canvas::Canvas::write::hd08a8b7ca32bb295
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:42:19
[INFO] [stdout]   20:     0x55c6abda7ec2 - ray_tracer::canvas::it_creates_a_canvas::h29aa9b5140c0ebec
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:96:3
[INFO] [stdout]   21:     0x55c6abda7e37 - ray_tracer::canvas::it_creates_a_canvas::{{closure}}::h3bdd296dc58a2cd6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:90:25
[INFO] [stdout]   22:     0x55c6abd94c56 - core::ops::function::FnOnce::call_once::hfde6a4336f6244ba
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55c6abdf345f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55c6abdf345f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   25:     0x55c6abdf21e1 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   26:     0x55c6abdf21e1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55c6abdf21e1 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   28:     0x55c6abdf21e1 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   29:     0x55c6abdf21e1 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x55c6abdf21e1 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   31:     0x55c6abdf21e1 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   32:     0x55c6abdb9516 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   33:     0x55c6abdb9516 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x55c6abdbe577 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   35:     0x55c6abdbe577 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55c6abdbe577 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   37:     0x55c6abdbe577 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   38:     0x55c6abdbe577 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x55c6abdbe577 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   40:     0x55c6abdbe577 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55c6abea8c75 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x55c6abea8c75 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55c6abea8c75 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f549d91dac3 - <unknown>
[INFO] [stdout]   45:     0x7f549d9aebf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[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:     0x55c6abea1f66 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55c6abea1f66 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c6abea1f66 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55c6abea1f66 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55c6abecb3b0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55c6abecb3b0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55c6abe9f95f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55c6abea1d44 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55c6abea1d44 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55c6abea3ab7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55c6abea379d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55c6abdedb87 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55c6abdedb87 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55c6abea40d6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55c6abea40d6 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55c6abea3e22 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55c6abea2466 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55c6abea3b80 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55c6abd69ce5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55c6abda423f - ray_tracer::canvas::Canvas::write::hd08a8b7ca32bb295
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:42:19
[INFO] [stdout]   20:     0x55c6abda83ab - ray_tracer::canvas::it_writes_to_ppm::h2c3a741720bfb056
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:120:3
[INFO] [stdout]   21:     0x55c6abda8317 - ray_tracer::canvas::it_writes_to_ppm::{{closure}}::h86c18e602ee89143
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:115:22
[INFO] [stdout]   22:     0x55c6abd93bb6 - core::ops::function::FnOnce::call_once::h9571fc63ebc8c6a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55c6abdf345f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55c6abdf345f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   25:     0x55c6abdf21e1 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   26:     0x55c6abdf21e1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55c6abdf21e1 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   28:     0x55c6abdf21e1 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   29:     0x55c6abdf21e1 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x55c6abdf21e1 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   31:     0x55c6abdf21e1 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   32:     0x55c6abdb9516 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   33:     0x55c6abdb9516 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x55c6abdbe577 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   35:     0x55c6abdbe577 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55c6abdbe577 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   37:     0x55c6abdbe577 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   38:     0x55c6abdbe577 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x55c6abdbe577 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   40:     0x55c6abdbe577 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55c6abea8c75 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x55c6abea8c75 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55c6abea8c75 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f549d91dac3 - <unknown>
[INFO] [stdout]   45:     0x7f549d9aebf4 - __clone
[INFO] [stdout]   46:                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 0.29s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin ray_tracer`
[INFO] running `Command { std: "docker" "inspect" "4726d6b915383b672e4c7788a53146dd4ddad15bd827345f441b135cc06cde64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4726d6b915383b672e4c7788a53146dd4ddad15bd827345f441b135cc06cde64", kill_on_drop: false }`
[INFO] [stdout] 4726d6b915383b672e4c7788a53146dd4ddad15bd827345f441b135cc06cde64
[INFO] testing eatrero/rust_ray_tracer against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Featrero%2Frust_ray_tracer" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eatrero/rust_ray_tracer on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-6-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-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4b6b62eca18e9d8bd74921e2753f5d0114a463a6dfd1ce2e7c800e6fd210d04
[INFO] running `Command { std: "docker" "start" "-a" "f4b6b62eca18e9d8bd74921e2753f5d0114a463a6dfd1ce2e7c800e6fd210d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4b6b62eca18e9d8bd74921e2753f5d0114a463a6dfd1ce2e7c800e6fd210d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b6b62eca18e9d8bd74921e2753f5d0114a463a6dfd1ce2e7c800e6fd210d04", kill_on_drop: false }`
[INFO] [stdout] f4b6b62eca18e9d8bd74921e2753f5d0114a463a6dfd1ce2e7c800e6fd210d04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a782cc6753cfe741d777d6c114ec66e6e9ee2f166341831074c06d74c89f3268
[INFO] running `Command { std: "docker" "start" "-a" "a782cc6753cfe741d777d6c114ec66e6e9ee2f166341831074c06d74c89f3268", 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 libc v0.2.50
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[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_isaac v0.1.1 (https://github.com/rust-lang/rand#8d7d0b6d)
[INFO] [stderr]    Compiling rand_xorshift v0.1.1 (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_pcg v0.1.2 (https://github.com/rust-lang/rand#8d7d0b6d)
[INFO] [stderr]    Compiling rand v0.6.5 (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 memoffset v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rand_hc v0.1.0 (https://github.com/rust-lang/rand#8d7d0b6d)
[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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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`, `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: 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: fields `wind` and `grav` are never read
[INFO] [stdout]   --> src/world/mod.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Env {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 29 |   wind: Tuple, // vector
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 30 |   grav: Tuple, // vector
[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: 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: 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: 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: 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] [stdout] warning: 106 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.10s
[INFO] running `Command { std: "docker" "inspect" "a782cc6753cfe741d777d6c114ec66e6e9ee2f166341831074c06d74c89f3268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a782cc6753cfe741d777d6c114ec66e6e9ee2f166341831074c06d74c89f3268", kill_on_drop: false }`
[INFO] [stdout] a782cc6753cfe741d777d6c114ec66e6e9ee2f166341831074c06d74c89f3268
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70f96f6513989351ecfae8d3d7098872f4786b3d3c360f75f9e409a087b5ef91
[INFO] running `Command { std: "docker" "start" "-a" "70f96f6513989351ecfae8d3d7098872f4786b3d3c360f75f9e409a087b5ef91", 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`, `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`, `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`, `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`, `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`, `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: 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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wind` and `grav` are never read
[INFO] [stdout]   --> src/world/mod.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Env {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 29 |   wind: Tuple, // vector
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 30 |   grav: Tuple, // vector
[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: 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 `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] [stdout] warning: 79 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "70f96f6513989351ecfae8d3d7098872f4786b3d3c360f75f9e409a087b5ef91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f96f6513989351ecfae8d3d7098872f4786b3d3c360f75f9e409a087b5ef91", kill_on_drop: false }`
[INFO] [stdout] 70f96f6513989351ecfae8d3d7098872f4786b3d3c360f75f9e409a087b5ef91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d761ea43fdf44c3466b4db7be0274beda06785f241e5b0f8dcc830ac50ebeca1
[INFO] running `Command { std: "docker" "start" "-a" "d761ea43fdf44c3466b4db7be0274beda06785f241e5b0f8dcc830ac50ebeca1", 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`, `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`, `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`, `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`, `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`, `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: 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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `wind` and `grav` are never read
[INFO] [stderr]   --> src/world/mod.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct Env {
[INFO] [stderr]    |            --- fields in this struct
[INFO] [stderr] 29 |   wind: Tuple, // vector
[INFO] [stderr]    |   ^^^^
[INFO] [stderr] 30 |   grav: Tuple, // vector
[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: 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 `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 79 warnings (run `cargo fix --bin "ray_tracer" --tests` to apply 61 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ray_tracer-b8849b50b9b9affd)
[INFO] [stdout] 
[INFO] [stdout] running 169 tests
[INFO] [stdout] test camera::constructing_a_camera ... ok
[INFO] [stdout] test camera::constructing_a_ray_when_the_camera_is_transformed ... ok
[INFO] [stdout] test camera::pixel_size_for_a_horizontal_canvas ... ok
[INFO] [stdout] test colors::it_adds_color ... ok
[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 canvas::it_writes_a_pixel ... ok
[INFO] [stdout] test colors::it_scales_a_color ... ok
[INFO] [stdout] test camera::pixel_size_for_a_vertical_canvas ... ok
[INFO] [stdout] test intersections::intersections_aggregate ... ok
[INFO] [stdout] test colors::it_multiplies_two_colors ... ok
[INFO] [stdout] test colors::it_subs_color ... ok
[INFO] [stdout] test intersections::intersections_hit_is_lowest_non_negative ... ok
[INFO] [stdout] test intersections::intersection_encapsulates_a_t_and_object ... ok
[INFO] [stdout] test intersections::precompute_the_reflection_vector ... ok
[INFO] [stdout] test intersections::intersections_aggregate_2 ... ok
[INFO] [stdout] test intersections::precompute_the_state_of_an_intersection ... ok
[INFO] [stdout] test intersections::intersections_hit_when_all_intersections_are_postive ... ok
[INFO] [stdout] test intersections::intersections_hit_when_intersections_are_negative ... 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 canvas::it_writes_to_ppm ... FAILED
[INFO] [stdout] test canvas::it_creates_a_canvas ... FAILED
[INFO] [stdout] test intersections::the_hit_should_offset_the_point ... ok
[INFO] [stdout] test intersections::the_hit_when_an_intersection_occurs_on_inside ... 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_when_an_intersection_occurs_on_outside ... ok
[INFO] [stdout] test intersections::the_under_point_is_offset_below_the_surface ... ok
[INFO] [stdout] test light::a_point_light_has_position_and_intensity ... ok
[INFO] [stdout] test light::lighting_with_eye_between_light_and_surface_eye_at_45 ... ok
[INFO] [stdout] test light::lighting_with_eye_between_light_and_surface ... ok
[INFO] [stdout] test light::lighting_with_eye_in_path_of_reflection ... ok
[INFO] [stdout] test matrix::it_calculates_determinant_of_2x2_pt2 ... ok
[INFO] [stdout] test matrix::it_calculates_determinant_of_3x3 ... ok
[INFO] [stdout] test matrix::it_calculates_determinant_of_4x4 ... ok
[INFO] [stdout] test matrix::it_checks_for_equality_for_identical_matrices ... ok
[INFO] [stdout] test camera::rendering_a_world_with_a_camera ... ok
[INFO] [stdout] test material::lighting_an_applied_pattern ... ok
[INFO] [stdout] test light::lighting_with_eye_between_light_and_surface_light_at_45 ... ok
[INFO] [stdout] test matrix::it_checks_for_not_equality_for_different_matrices ... ok
[INFO] [stdout] test matrix::it_checks_if_invertible ... ok
[INFO] [stdout] test light::lighting_with_with_the_surface_in_shadow ... ok
[INFO] [stdout] test material::create_a_new_material ... ok
[INFO] [stdout] test matrix::it_creates_a_3x3_matrix ... ok
[INFO] [stdout] test matrix::it_gets_cofactor_of_3x3_even ... ok
[INFO] [stdout] test matrix::it_gets_cofactor_of_3x3_odd ... ok
[INFO] [stdout] test matrix::it_checks_if_not_invertible ... ok
[INFO] [stdout] test matrix::it_multiplies_matrices ... ok
[INFO] [stdout] test matrix::it_creates_a_2x2_matrix ... ok
[INFO] [stdout] test matrix::it_creates_a_4x4_matrix ... ok
[INFO] [stdout] test matrix::it_gets_minor_of_3x3 ... ok
[INFO] [stdout] test matrix::it_multiplies_matrices_by_tuple ... ok
[INFO] [stdout] test matrix::it_returns_submatrix_of_3x3 ... ok
[INFO] [stdout] test matrix::it_transposes_a_matrix ... ok
[INFO] [stdout] test matrix::it_inverts_a_matrix ... ok
[INFO] [stdout] test light::lighting_with_light_behind_surface ... ok
[INFO] [stdout] test pattern::checker::checker_should_repeat_in_x ... ok
[INFO] [stdout] test matrix::it_returns_submatrix_of_4x4 ... ok
[INFO] [stdout] test matrix::it_multiplies_matrix_by_identity ... ok
[INFO] [stdout] test pattern::checker::checker_should_repeat_in_y ... ok
[INFO] [stdout] test matrix::it_transposes_an_identity_matrix ... ok
[INFO] [stdout] test pattern::stripe::a_stripe_pattern_alternates_in_x ... ok
[INFO] [stdout] test pattern::stripe::a_stripe_pattern_is_constant_in_y ... ok
[INFO] [stdout] test pattern::stripe::a_stripe_pattern_is_constant_in_z ... ok
[INFO] [stdout] test pattern::pattern_with_both_object_and_pattern_transformation ... ok
[INFO] [stdout] test pattern::stripe::creating_a_stripe_pattern ... ok
[INFO] [stdout] test pattern::stripes_with_an_object_transformation ... ok
[INFO] [stdout] test pattern::ring::creating_a_ring ... ok
[INFO] [stdout] test pattern::pattern_with_an_object_transformation ... ok
[INFO] [stdout] test pattern::stripes_with_a_pattern_transformation ... ok
[INFO] [stdout] test pattern::pattern_with_a_pattern_transformation ... ok
[INFO] [stdout] test ray::it_computes_position_over_t ... ok
[INFO] [stdout] test ray::it_translates_a_ray ... ok
[INFO] [stdout] test pattern::checker::checker_should_repeat_in_z ... ok
[INFO] [stdout] test pattern::gradient::creating_a_gradient ... ok
[INFO] [stdout] test pattern::stripes_with_both_object_and_pattern_transformation ... ok
[INFO] [stdout] test ray::it_scales_a_ray ... ok
[INFO] [stdout] test shape::assigns_a_transformation ... ok
[INFO] [stdout] test shape::sphere::can_set_transformation ... ok
[INFO] [stdout] test shape::sphere::a_sphere_can_change_its_material ... ok
[INFO] [stdout] test shape::sphere::compute_normal_at_a_non_axial_point ... ok
[INFO] [stdout] test shape::creates_a_glass_sphere ... ok
[INFO] [stdout] test shape::assigns_a_material ... ok
[INFO] [stdout] test shape::sphere::a_sphere_has_a_default_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::compute_normal_on_a_transformed_sphere ... ok
[INFO] [stdout] test shape::sphere::compute_normal_at_a_point_on_z_axis ... ok
[INFO] [stdout] test shape::sphere::default_transformation_is_identity ... ok
[INFO] [stdout] test shape::sphere::compute_normal_at_a_point_on_x_axis ... ok
[INFO] [stdout] test shape::sphere::it_computes_intersects_2 ... ok
[INFO] [stdout] test shape::sphere::it_computes_intersects_4 ... ok
[INFO] [stdout] test shape::sphere::compute_normal_on_a_translated_sphere ... ok
[INFO] [stdout] test shape::sphere::it_computes_intersects_5 ... ok
[INFO] [stdout] test shape::the_default_transformation ... ok
[INFO] [stdout] test shape::sphere::the_normal_is_a_normalized_vector ... ok
[INFO] [stdout] test transform::a_view_transformation_matrix_looking_in_positive_z_direction ... ok
[INFO] [stdout] test transform::it_chains_transformations_in_reverse_order ... ok
[INFO] [stdout] test shape::sphere::intersecting_scaled_sphere_with_a_ray ... ok
[INFO] [stdout] test transform::it_individual_transforms_work_sequentially ... ok
[INFO] [stdout] test transform::it_rotates_a_point_around_x_axis ... ok
[INFO] [stdout] test transform::it_rotates_a_point_around_y_axis ... ok
[INFO] [stdout] test transform::it_scales_inverse_vector ... ok
[INFO] [stdout] test transform::it_scales_point ... ok
[INFO] [stdout] test transform::it_scales_reflects ... ok
[INFO] [stdout] test transform::it_scales_vector ... ok
[INFO] [stdout] test transform::it_shears_along_x_in_proportion_to_y ... 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 shape::sphere::compute_normal_at_a_point_on_y_axis ... ok
[INFO] [stdout] test shape::sphere::intersecting_translated_sphere_with_a_ray ... ok
[INFO] [stdout] test transform::it_rotates_a_point_around_z_axis ... ok
[INFO] [stdout] test shape::sphere::it_computes_intersects_1 ... ok
[INFO] [stdout] test shape::sphere::it_computes_intersects_3 ... ok
[INFO] [stdout] test transform::it_shears_along_z_in_proportion_to_x ... ok
[INFO] [stdout] test transform::it_shears_along_z_in_proportion_to_y ... ok
[INFO] [stdout] test transform::an_arbitrary_view_transformation ... ok
[INFO] [stdout] test transform::it_rotates_a_point_around_x_axis_opposite_direction ... ok
[INFO] [stdout] test transform::the_view_transformation_matrix_moves_the_world ... ok
[INFO] [stdout] test transform::the_transformation_matrix_for_the_default_orientation ... ok
[INFO] [stdout] test vectors::it_creates_a_point ... ok
[INFO] [stdout] test vectors::it_computes_cross_product ... ok
[INFO] [stdout] test vectors::it_creates_a_tuple_where_w_0_is_a_vector ... ok
[INFO] [stdout] test vectors::it_adds_two_tuples ... ok
[INFO] [stdout] test vectors::it_computes_dot_product ... ok
[INFO] [stdout] test vectors::it_negates_a_tuple ... ok
[INFO] [stdout] test transform::it_translates_inverse_vector ... ok
[INFO] [stdout] test transform::it_translates ... ok
[INFO] [stdout] test transform::it_translates_inverse ... ok
[INFO] [stdout] test vectors::it_scales_a_tuple ... ok
[INFO] [stdout] test vectors::it_subtracts_a_vector_from_zero_vector ... ok
[INFO] [stdout] test vectors::it_divides_a_tuple ... ok
[INFO] [stdout] test vectors::it_creates_a_vector ... ok
[INFO] [stdout] test vectors::it_subtracts_a_vector_from_a_point ... ok
[INFO] [stdout] test vectors::reflect_a_45_deg_vector ... ok
[INFO] [stdout] test vectors::reflect_a_45_deg_vector_rotated ... ok
[INFO] [stdout] test vectors::normalizes_vector_1_2_3 ... ok
[INFO] [stdout] test vectors::vector_0_0_1_magnitude_is_1 ... ok
[INFO] [stdout] test vectors::normalizes_vector_4_0_0 ... ok
[INFO] [stdout] test vectors::it_subtracts_two_tuples ... ok
[INFO] [stdout] test vectors::magnitude_of_normalized_vector ... 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 vectors::vector_1_2_3_magnitude_is_root_14 ... ok
[INFO] [stdout] test world::default_world_contains_some_light_or_objects ... 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::new_world_contains_no_light_or_objects ... ok
[INFO] [stdout] test world::ray_along_z_axis_intersects_default_world ... ok
[INFO] [stdout] test world::shade_hit_with_a_reflective_and_transparent_material ... ok
[INFO] [stdout] test world::refracted_color_at_maximum_recursion_depth ... ok
[INFO] [stdout] test world::refracted_color_at_total_internal_reflection ... ok
[INFO] [stdout] test world::color_at_with_mutually_reflective_surfaces ... ok
[INFO] [stdout] test world::shading_an_intersection ... ok
[INFO] [stdout] test world::the_reflected_color_of_a_non_reflective_material ... ok
[INFO] [stdout] test world::refracted_color_of_an_opaque_surface ... ok
[INFO] [stdout] test world::shade_hit_with_a_transparent_material ... ok
[INFO] [stdout] test world::shading_an_intersection_from_inside ... 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::the_color_with_an_intersection_from_behind ... ok
[INFO] [stdout] test world::the_reflected_color_at_maximum_recursion_depth ... ok
[INFO] [stdout] test world::there_is_no_shadow_when_an_object_is_behind_the_light ... ok
[INFO] [stdout] test world::there_is_no_shadow_when_an_object_is_behind_the_point ... 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_hits ... ok
[INFO] [stdout] test world::there_is_a_shadow_when_an_object_is_between_the_point_and_the_light ... 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:     0x56294e90add6 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56294e90add6 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56294e90add6 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56294e90add6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56294e934050 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56294e934050 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56294e9085bf - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x56294e90abb4 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56294e90abb4 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56294e90c927 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x56294e90c60d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56294e855c47 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x56294e855c47 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x56294e90cf46 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x56294e90cf46 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x56294e90cc92 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x56294e90b2d6 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x56294e90c9e4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x56294e7d2785 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x56294e7f37ff - ray_tracer::canvas::Canvas::write::hd81c2d28f617f93a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:42:19
[INFO] [stdout]   20:     0x56294e7f597b - ray_tracer::canvas::it_writes_to_ppm::hf2c49bffd8ac4e26
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:120:3
[INFO] [stdout]   21:     0x56294e7f58e7 - ray_tracer::canvas::it_writes_to_ppm::{{closure}}::h393068104152f2d6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:115:22
[INFO] [stdout]   22:     0x56294e7efa16 - core::ops::function::FnOnce::call_once::h5970eb19fb1e040b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56294e85b83f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56294e85b83f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x56294e85a661 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x56294e85a661 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x56294e85a661 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   28:     0x56294e85a661 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   29:     0x56294e85a661 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x56294e85a661 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x56294e85a661 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   32:     0x56294e821ac6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x56294e821ac6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x56294e826a87 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   35:     0x56294e826a87 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x56294e826a87 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   37:     0x56294e826a87 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   38:     0x56294e826a87 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x56294e826a87 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   40:     0x56294e826a87 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x56294e9113d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x56294e9113d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x56294e9113d5 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f6984aeeac3 - <unknown>
[INFO] [stdout]   45:     0x7f6984b7fbf4 - __clone
[INFO] [stdout]   46:                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:     0x56294e90add6 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56294e90add6 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56294e90add6 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56294e90add6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56294e934050 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56294e934050 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56294e9085bf - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x56294e90abb4 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56294e90abb4 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56294e90c927 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x56294e90c60d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56294e855c47 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x56294e855c47 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x56294e90cf46 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x56294e90cf46 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x56294e90cc92 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x56294e90b2d6 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x56294e90c9e4 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x56294e7d2785 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x56294e7f37ff - ray_tracer::canvas::Canvas::write::hd81c2d28f617f93a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:42:19
[INFO] [stdout]   20:     0x56294e7f5492 - ray_tracer::canvas::it_creates_a_canvas::h1b4871b1e2824b9e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:96:3
[INFO] [stdout]   21:     0x56294e7f5407 - ray_tracer::canvas::it_creates_a_canvas::{{closure}}::hb7d1fc13c3449baa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/mod.rs:90:25
[INFO] [stdout]   22:     0x56294e7f02d6 - core::ops::function::FnOnce::call_once::h8bb9dc0dacaba201
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56294e85b83f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56294e85b83f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x56294e85a661 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x56294e85a661 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x56294e85a661 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   28:     0x56294e85a661 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   29:     0x56294e85a661 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x56294e85a661 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x56294e85a661 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   32:     0x56294e821ac6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x56294e821ac6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x56294e826a87 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   35:     0x56294e826a87 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x56294e826a87 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   37:     0x56294e826a87 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   38:     0x56294e826a87 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x56294e826a87 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   40:     0x56294e826a87 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x56294e9113d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x56294e9113d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x56294e9113d5 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f6984aeeac3 - <unknown>
[INFO] [stdout]   45:     0x7f6984b7fbf4 - __clone
[INFO] [stdout]   46:                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 0.21s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin ray_tracer`
[INFO] running `Command { std: "docker" "inspect" "d761ea43fdf44c3466b4db7be0274beda06785f241e5b0f8dcc830ac50ebeca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d761ea43fdf44c3466b4db7be0274beda06785f241e5b0f8dcc830ac50ebeca1", kill_on_drop: false }`
[INFO] [stdout] d761ea43fdf44c3466b4db7be0274beda06785f241e5b0f8dcc830ac50ebeca1
