[INFO] cloning repository https://github.com/wormtql/hakaze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wormtql/hakaze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwormtql%2Fhakaze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwormtql%2Fhakaze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3253ba96f0150797dd71b42e94a69bcfef41268
[INFO] checking wormtql/hakaze against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwormtql%2Fhakaze" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wormtql/hakaze
[INFO] finished tweaking git repo https://github.com/wormtql/hakaze
[INFO] tweaked toml for git repo https://github.com/wormtql/hakaze written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wormtql/hakaze on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wormtql/hakaze 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-musl.rustflags
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91b654fef6448f27d0d1aca3a27fb5004dd2d32c584f0720082e2a9c35700e36
[INFO] running `Command { std: "docker" "start" "-a" "91b654fef6448f27d0d1aca3a27fb5004dd2d32c584f0720082e2a9c35700e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91b654fef6448f27d0d1aca3a27fb5004dd2d32c584f0720082e2a9c35700e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b654fef6448f27d0d1aca3a27fb5004dd2d32c584f0720082e2a9c35700e36", kill_on_drop: false }`
[INFO] [stdout] 91b654fef6448f27d0d1aca3a27fb5004dd2d32c584f0720082e2a9c35700e36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4f90b07456e3380f24a8bf0bc4f161d265cd36a202fc99716dc124d7fadf7ba
[INFO] running `Command { std: "docker" "start" "-a" "d4f90b07456e3380f24a8bf0bc4f161d265cd36a202fc99716dc124d7fadf7ba", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-musl.rustflags
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking ray_tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cgmath::prelude::*`
[INFO] [stdout]  --> src/ray/ray.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cgmath::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::Infallible`
[INFO] [stdout]  --> src/object/object.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::Infallible;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/object/object.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Matrix`
[INFO] [stdout]  --> src/camera/camera.rs:1:91
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cgmath::{Matrix4, Vector3, Point3, Rad, Vector4, SquareMatrix, InnerSpace, Transform, Matrix};
[INFO] [stdout]   |                                                                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::scene::Scene`
[INFO] [stdout]  --> src/tracing/tracing.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::scene::Scene;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::camera::Camera`
[INFO] [stdout]  --> src/tracing/tracing.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::camera::Camera;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ImageBuffer`
[INFO] [stdout]  --> src/tracing/binary_tracing.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{RgbImage, Rgb, ImageBuffer};
[INFO] [stdout]   |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ImageBuffer`
[INFO] [stdout]  --> src/tracing/my_tracing.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{RgbImage, Rgb, ImageBuffer};
[INFO] [stdout]   |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cgmath::prelude::*`
[INFO] [stdout]  --> src/ray/ray.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cgmath::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::Infallible`
[INFO] [stdout]  --> src/object/object.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::Infallible;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/object/object.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Matrix`
[INFO] [stdout]  --> src/camera/camera.rs:1:91
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cgmath::{Matrix4, Vector3, Point3, Rad, Vector4, SquareMatrix, InnerSpace, Transform, Matrix};
[INFO] [stdout]   |                                                                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Matrix4` and `Vector4`
[INFO] [stdout]    --> src/camera/camera.rs:109:27
[INFO] [stdout]     |
[INFO] [stdout] 109 |     use cgmath::{Vector3, Matrix4, Vector4};
[INFO] [stdout]     |                           ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::scene::Scene`
[INFO] [stdout]  --> src/tracing/tracing.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::scene::Scene;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::camera::Camera`
[INFO] [stdout]  --> src/tracing/tracing.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::camera::Camera;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ImageBuffer`
[INFO] [stdout]  --> src/tracing/binary_tracing.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{RgbImage, Rgb, ImageBuffer};
[INFO] [stdout]   |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ImageBuffer`
[INFO] [stdout]  --> src/tracing/my_tracing.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{RgbImage, Rgb, ImageBuffer};
[INFO] [stdout]   |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transform`
[INFO] [stdout]  --> src/camera/camera.rs:1:80
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cgmath::{Matrix4, Vector3, Point3, Rad, Vector4, SquareMatrix, InnerSpace, Transform, Matrix};
[INFO] [stdout]   |                                                                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light_ambient_strength`
[INFO] [stdout]    --> src/tracing/my_tracing.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 let light_ambient_strength = light.get_ambient_strength(point.vertex.clone());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_light_ambient_strength`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light_diffuse_strength`
[INFO] [stdout]    --> src/tracing/my_tracing.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 let light_diffuse_strength = light.get_diffuse_strength(point.vertex.clone());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_light_diffuse_strength`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light_specular_strength`
[INFO] [stdout]    --> src/tracing/my_tracing.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 let light_specular_strength = light.get_specular_strength(point.vertex.clone());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_light_specular_strength`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tracing/my_tracing.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut specular_strength = collide_object.material.get_specular_strength(u, v);
[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/tracing/my_tracing.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut diffuse_strength = collide_object.material.get_diffuse_strength(u, v);
[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/tracing/my_tracing.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut is_blocked = if !shadow_ray_intersect_result.is_intersect {
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/light/point_light.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn get_color(&self, point: Vector3<f64>) -> Vector3<f64> {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/light/point_light.rs:46:36
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get_ambient_strength(&self, point: Vector3<f64>) -> f64 {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/light/point_light.rs:50:36
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn get_diffuse_strength(&self, point: Vector3<f64>) -> f64 {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/light/point_light.rs:54:37
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn get_specular_strength(&self, point: Vector3<f64>) -> f64 {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/naive_material.rs:56:25
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn get_color(&self, u: f64, v: f64) -> Vector3<f64> {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/naive_material.rs:56:33
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn get_color(&self, u: f64, v: f64) -> Vector3<f64> {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/naive_material.rs:60:33
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn get_reflect_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/naive_material.rs:60:41
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn get_reflect_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/naive_material.rs:64:33
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn get_refract_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/naive_material.rs:64:41
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn get_refract_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/naive_material.rs:68:33
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn get_refract_index(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/naive_material.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn get_refract_index(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/naive_material.rs:72:36
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn get_diffuse_strength(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/naive_material.rs:72:44
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn get_diffuse_strength(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/material/naive_material.rs:76:37
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn get_specular_strength(&self, y: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/naive_material.rs:76:45
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn get_specular_strength(&self, y: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/chess_board_material.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn get_reflect_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/chess_board_material.rs:30:41
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn get_reflect_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/chess_board_material.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn get_refract_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/chess_board_material.rs:34:41
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn get_refract_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/chess_board_material.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn get_refract_index(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/chess_board_material.rs:38:41
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn get_refract_index(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/chess_board_material.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn get_diffuse_strength(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transform`
[INFO] [stdout]  --> src/camera/camera.rs:1:80
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cgmath::{Matrix4, Vector3, Point3, Rad, Vector4, SquareMatrix, InnerSpace, Transform, Matrix};
[INFO] [stdout]   |                                                                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/chess_board_material.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn get_diffuse_strength(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/material/chess_board_material.rs:46:37
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get_specular_strength(&self, y: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/chess_board_material.rs:46:45
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get_specular_strength(&self, y: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `calc_xy` is never used
[INFO] [stdout]   --> src/object/object.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl<'a> Face3<'a> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 59 |     fn calc_xy(&self, point: &Vector3<f64>) -> (f64, f64) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/object/object.rs:414:23
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn faces_iter(&self) -> FaceIter {
[INFO] [stdout]     |                       ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn faces_iter(&self) -> FaceIter<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/object/object.rs:423:22
[INFO] [stdout]     |
[INFO] [stdout] 423 |     pub fn intersect(&self, ray: &Ray) -> IntersectResult {
[INFO] [stdout]     |                      ^^^^^                --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 423 |     pub fn intersect(&self, ray: &Ray) -> IntersectResult<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/scene/scene.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn intersect(&self, ray: &Ray) -> IntersectResult {
[INFO] [stdout]    |                      ^^^^^                --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn intersect(&self, ray: &Ray) -> IntersectResult<'_> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light_ambient_strength`
[INFO] [stdout]    --> src/tracing/my_tracing.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 let light_ambient_strength = light.get_ambient_strength(point.vertex.clone());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_light_ambient_strength`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light_diffuse_strength`
[INFO] [stdout]    --> src/tracing/my_tracing.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 let light_diffuse_strength = light.get_diffuse_strength(point.vertex.clone());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_light_diffuse_strength`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light_specular_strength`
[INFO] [stdout]    --> src/tracing/my_tracing.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 let light_specular_strength = light.get_specular_strength(point.vertex.clone());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_light_specular_strength`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tracing/my_tracing.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut specular_strength = collide_object.material.get_specular_strength(u, v);
[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/tracing/my_tracing.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut diffuse_strength = collide_object.material.get_diffuse_strength(u, v);
[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/tracing/my_tracing.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut is_blocked = if !shadow_ray_intersect_result.is_intersect {
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/light/point_light.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn get_color(&self, point: Vector3<f64>) -> Vector3<f64> {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/light/point_light.rs:46:36
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get_ambient_strength(&self, point: Vector3<f64>) -> f64 {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/light/point_light.rs:50:36
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn get_diffuse_strength(&self, point: Vector3<f64>) -> f64 {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/light/point_light.rs:54:37
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn get_specular_strength(&self, point: Vector3<f64>) -> f64 {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/naive_material.rs:56:25
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn get_color(&self, u: f64, v: f64) -> Vector3<f64> {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/naive_material.rs:56:33
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn get_color(&self, u: f64, v: f64) -> Vector3<f64> {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/naive_material.rs:60:33
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn get_reflect_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/naive_material.rs:60:41
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn get_reflect_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/naive_material.rs:64:33
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn get_refract_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/naive_material.rs:64:41
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn get_refract_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/naive_material.rs:68:33
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn get_refract_index(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/naive_material.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn get_refract_index(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/naive_material.rs:72:36
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn get_diffuse_strength(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/naive_material.rs:72:44
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn get_diffuse_strength(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/material/naive_material.rs:76:37
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn get_specular_strength(&self, y: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/naive_material.rs:76:45
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn get_specular_strength(&self, y: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/chess_board_material.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn get_reflect_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/chess_board_material.rs:30:41
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn get_reflect_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/chess_board_material.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn get_refract_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/chess_board_material.rs:34:41
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn get_refract_ratio(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/chess_board_material.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn get_refract_index(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/chess_board_material.rs:38:41
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn get_refract_index(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/material/chess_board_material.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn get_diffuse_strength(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/chess_board_material.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn get_diffuse_strength(&self, u: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/material/chess_board_material.rs:46:37
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get_specular_strength(&self, y: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/material/chess_board_material.rs:46:45
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get_specular_strength(&self, y: f64, v: f64) -> f64 {
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `calc_xy` is never used
[INFO] [stdout]   --> src/object/object.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl<'a> Face3<'a> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 59 |     fn calc_xy(&self, point: &Vector3<f64>) -> (f64, f64) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/object/object.rs:414:23
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn faces_iter(&self) -> FaceIter {
[INFO] [stdout]     |                       ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn faces_iter(&self) -> FaceIter<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/object/object.rs:423:22
[INFO] [stdout]     |
[INFO] [stdout] 423 |     pub fn intersect(&self, ray: &Ray) -> IntersectResult {
[INFO] [stdout]     |                      ^^^^^                --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 423 |     pub fn intersect(&self, ray: &Ray) -> IntersectResult<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/scene/scene.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn intersect(&self, ray: &Ray) -> IntersectResult {
[INFO] [stdout]    |                      ^^^^^                --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn intersect(&self, ray: &Ray) -> IntersectResult<'_> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray_tracing::ray::Ray`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ray_tracing::ray::Ray;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryTracing`
[INFO] [stdout]  --> src/main.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ray_tracing::tracing::{BinaryTracing, Tracing, MyTracing};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ChessBoardMaterial`
[INFO] [stdout]   --> src/main.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ray_tracing::material::{ChessBoardMaterial, Material, ImageMaterial, MaterialValue1, MaterialValue3, NaiveMaterial};
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::GrayImage`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use image::GrayImage;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:113:55
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let tracing = MyTracing::new(&scene, (&camera) as (&dyn Camera));
[INFO] [stdout]     |                                                       ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -     let tracing = MyTracing::new(&scene, (&camera) as (&dyn Camera));
[INFO] [stdout] 113 +     let tracing = MyTracing::new(&scene, (&camera) as &dyn Camera);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray_tracing::ray::Ray`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ray_tracing::ray::Ray;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryTracing`
[INFO] [stdout]  --> src/main.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ray_tracing::tracing::{BinaryTracing, Tracing, MyTracing};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ChessBoardMaterial`
[INFO] [stdout]   --> src/main.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ray_tracing::material::{ChessBoardMaterial, Material, ImageMaterial, MaterialValue1, MaterialValue3, NaiveMaterial};
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::GrayImage`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use image::GrayImage;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:113:55
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let tracing = MyTracing::new(&scene, (&camera) as (&dyn Camera));
[INFO] [stdout]     |                                                       ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -     let tracing = MyTracing::new(&scene, (&camera) as (&dyn Camera));
[INFO] [stdout] 113 +     let tracing = MyTracing::new(&scene, (&camera) as &dyn Camera);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light3`
[INFO] [stdout]   --> src/main.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let light3 = PointLight::new(
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_light3`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light3`
[INFO] [stdout]   --> src/main.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let light3 = PointLight::new(
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_light3`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut camera = PerspectiveCamera::new(PI / 2.0, 1.0, 0.1, 10.0);
[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/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut camera = PerspectiveCamera::new(PI / 2.0, 1.0, 0.1, 10.0);
[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: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     img.save("test.png");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let _ = img.save("test.png");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     img.save("test.png");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let _ = img.save("test.png");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.32s
[INFO] running `Command { std: "docker" "inspect" "d4f90b07456e3380f24a8bf0bc4f161d265cd36a202fc99716dc124d7fadf7ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f90b07456e3380f24a8bf0bc4f161d265cd36a202fc99716dc124d7fadf7ba", kill_on_drop: false }`
[INFO] [stdout] d4f90b07456e3380f24a8bf0bc4f161d265cd36a202fc99716dc124d7fadf7ba
