[INFO] cloning repository https://github.com/ShoshinX/RayTracing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShoshinX/RayTracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShoshinX%2FRayTracing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShoshinX%2FRayTracing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34e62fd0f168b31fe5a041c384ef8f4dd79f25b9
[INFO] checking ShoshinX/RayTracing against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShoshinX%2FRayTracing" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShoshinX/RayTracing on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ShoshinX/RayTracing
[INFO] finished tweaking git repo https://github.com/ShoshinX/RayTracing
[INFO] tweaked toml for git repo https://github.com/ShoshinX/RayTracing written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/ShoshinX/RayTracing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adf96e934519c5c1146ffb56be72f91640f678f3fda6e05577e8d49e91c45c5a
[INFO] running `Command { std: "docker" "start" "-a" "adf96e934519c5c1146ffb56be72f91640f678f3fda6e05577e8d49e91c45c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adf96e934519c5c1146ffb56be72f91640f678f3fda6e05577e8d49e91c45c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf96e934519c5c1146ffb56be72f91640f678f3fda6e05577e8d49e91c45c5a", kill_on_drop: false }`
[INFO] [stdout] adf96e934519c5c1146ffb56be72f91640f678f3fda6e05577e8d49e91c45c5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a16d80636a7ec09635b2683aaf4fde5b7050d5be09cba5bab46c0f1e60e0d10a
[INFO] running `Command { std: "docker" "start" "-a" "a16d80636a7ec09635b2683aaf4fde5b7050d5be09cba5bab46c0f1e60e0d10a", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking getrandom v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking ray_tracing v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/hittable.rs (1 fix)
[INFO] [stderr]        Fixed src/vec3.rs (2 fixes)
[INFO] [stderr]        Fixed src/hittable_list.rs (2 fixes)
[INFO] [stderr]        Fixed src/rtweekend.rs (2 fixes)
[INFO] [stderr]        Fixed src/sphere.rs (1 fix)
[INFO] [stderr]        Fixed src/main.rs (5 fixes)
[INFO] [stderr]        Fixed src/material.rs (3 fixes)
[INFO] [stdout] warning: type `vec3` should have an upper camel case name
[INFO] [stdout]  --> src/vec3.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct vec3 {
[INFO] [stdout]   |            ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vec3`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `point3` should have an upper camel case name
[INFO] [stdout]   --> src/vec3.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub type point3 = vec3; // 3D point
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case: `Point3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `color` should have an upper camel case name
[INFO] [stdout]   --> src/vec3.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub type color  = vec3; // RGB color
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ray` should have an upper camel case name
[INFO] [stdout]  --> src/ray.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ray {
[INFO] [stdout]   |            ^^^ help: convert the identifier to upper camel case: `Ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `hit_record` should have an upper camel case name
[INFO] [stdout]  --> src/hittable.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct hit_record {
[INFO] [stdout]   |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `HitRecord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `hittable` should have an upper camel case name
[INFO] [stdout]   --> src/hittable.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait hittable {
[INFO] [stdout]    |           ^^^^^^^^ help: convert the identifier to upper camel case: `Hittable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `sphere` should have an upper camel case name
[INFO] [stdout]  --> src/sphere.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct sphere {
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sphere`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `hittable_list` should have an upper camel case name
[INFO] [stdout]  --> src/hittable_list.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct hittable_list{
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `HittableList`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `camera` should have an upper camel case name
[INFO] [stdout]  --> src/camera.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct camera {
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Camera`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `material` should have an upper camel case name
[INFO] [stdout]  --> src/material.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait material{
[INFO] [stdout]   |           ^^^^^^^^ help: convert the identifier to upper camel case: `Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `lambertian` should have an upper camel case name
[INFO] [stdout]   --> src/material.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct lambertian {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `Lambertian`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `metal` should have an upper camel case name
[INFO] [stdout]   --> src/material.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct metal {
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to upper camel case: `Metal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `dielectric` should have an upper camel case name
[INFO] [stdout]   --> src/material.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct dielectric {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `Dielectric`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `vec3` should have an upper camel case name
[INFO] [stdout]  --> src/vec3.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct vec3 {
[INFO] [stdout]   |            ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vec3`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `point3` should have an upper camel case name
[INFO] [stdout]   --> src/vec3.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub type point3 = vec3; // 3D point
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case: `Point3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `color` should have an upper camel case name
[INFO] [stdout]   --> src/vec3.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub type color  = vec3; // RGB color
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ray` should have an upper camel case name
[INFO] [stdout]  --> src/ray.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ray {
[INFO] [stdout]   |            ^^^ help: convert the identifier to upper camel case: `Ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `hit_record` should have an upper camel case name
[INFO] [stdout]  --> src/hittable.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct hit_record {
[INFO] [stdout]   |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `HitRecord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `hittable` should have an upper camel case name
[INFO] [stdout]   --> src/hittable.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait hittable {
[INFO] [stdout]    |           ^^^^^^^^ help: convert the identifier to upper camel case: `Hittable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `sphere` should have an upper camel case name
[INFO] [stdout]  --> src/sphere.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct sphere {
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sphere`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `hittable_list` should have an upper camel case name
[INFO] [stdout]  --> src/hittable_list.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct hittable_list{
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `HittableList`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `camera` should have an upper camel case name
[INFO] [stdout]  --> src/camera.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct camera {
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Camera`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `material` should have an upper camel case name
[INFO] [stdout]  --> src/material.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait material{
[INFO] [stdout]   |           ^^^^^^^^ help: convert the identifier to upper camel case: `Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `lambertian` should have an upper camel case name
[INFO] [stdout]   --> src/material.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct lambertian {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `Lambertian`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `metal` should have an upper camel case name
[INFO] [stdout]   --> src/material.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct metal {
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to upper camel case: `Metal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `dielectric` should have an upper camel case name
[INFO] [stdout]   --> src/material.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct dielectric {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `Dielectric`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/vec3.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |             continue;
[INFO] [stdout]     |             -------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 169 |     vec3{e:[0.0,0.0,0.0]}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sphere_material` is never read
[INFO] [stdout]   --> src/main.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let mut sphere_material : std::rc::Rc<dyn material::material> = std::rc::Rc::new(material::dielectric{ir:1.5});
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `direction` is never read
[INFO] [stdout]   --> src/material.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut direction = vec3 {e:[0.0,0.0,0.0]};
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/vec3.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |             continue;
[INFO] [stdout]     |             -------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 169 |     vec3{e:[0.0,0.0,0.0]}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sphere_material` is never read
[INFO] [stdout]   --> src/main.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let mut sphere_material : std::rc::Rc<dyn material::material> = std::rc::Rc::new(material::dielectric{ir:1.5});
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `direction` is never read
[INFO] [stdout]   --> src/material.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut direction = vec3 {e:[0.0,0.0,0.0]};
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_vec3`
[INFO] [stdout]   --> src/vec3.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn print_vec3(v : &vec3) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_in_hemisphere`
[INFO] [stdout]    --> src/vec3.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn random_in_hemisphere(normal: &vec3) -> vec3 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/hittable_list.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn clear(&mut self) { self.objects.clear() }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PI`
[INFO] [stdout]  --> src/rtweekend.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const PI :f64= std::f64::consts::PI;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `degrees_to_radians`
[INFO] [stdout]  --> src/rtweekend.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn degrees_to_radians(degrees: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/camera.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     w: vec3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reflectance`
[INFO] [stdout]   --> src/material.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn reflectance(cosine: f64, ref_idx: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_vec3`
[INFO] [stdout]   --> src/vec3.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn print_vec3(v : &vec3) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_in_hemisphere`
[INFO] [stdout]    --> src/vec3.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn random_in_hemisphere(normal: &vec3) -> vec3 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/hittable_list.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn clear(&mut self) { self.objects.clear() }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PI`
[INFO] [stdout]  --> src/rtweekend.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const PI :f64= std::f64::consts::PI;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `degrees_to_radians`
[INFO] [stdout]  --> src/rtweekend.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn degrees_to_radians(degrees: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/camera.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     w: vec3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reflectance`
[INFO] [stdout]   --> src/material.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn reflectance(cosine: f64, ref_idx: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.07s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking ray_tracing v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: type `vec3` should have an upper camel case name
[INFO] [stdout]  --> src/vec3.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct vec3 {
[INFO] [stdout]   |            ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vec3`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `point3` should have an upper camel case name
[INFO] [stdout]   --> src/vec3.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub type point3 = vec3; // 3D point
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case: `Point3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `color` should have an upper camel case name
[INFO] [stdout]   --> src/vec3.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub type color  = vec3; // RGB color
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ray` should have an upper camel case name
[INFO] [stdout]  --> src/ray.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ray {
[INFO] [stdout]   |            ^^^ help: convert the identifier to upper camel case: `Ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `hit_record` should have an upper camel case name
[INFO] [stdout]  --> src/hittable.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct hit_record {
[INFO] [stdout]   |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `HitRecord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `hittable` should have an upper camel case name
[INFO] [stdout]   --> src/hittable.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait hittable {
[INFO] [stdout]    |           ^^^^^^^^ help: convert the identifier to upper camel case: `Hittable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `sphere` should have an upper camel case name
[INFO] [stdout]  --> src/sphere.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct sphere {
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sphere`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `hittable_list` should have an upper camel case name
[INFO] [stdout]  --> src/hittable_list.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct hittable_list{
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `HittableList`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `camera` should have an upper camel case name
[INFO] [stdout]  --> src/camera.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct camera {
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Camera`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `material` should have an upper camel case name
[INFO] [stdout]  --> src/material.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait material{
[INFO] [stdout]   |           ^^^^^^^^ help: convert the identifier to upper camel case: `Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `lambertian` should have an upper camel case name
[INFO] [stdout]   --> src/material.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct lambertian {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `Lambertian`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `metal` should have an upper camel case name
[INFO] [stdout]   --> src/material.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct metal {
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to upper camel case: `Metal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `dielectric` should have an upper camel case name
[INFO] [stdout]   --> src/material.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct dielectric {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `Dielectric`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `vec3` should have an upper camel case name
[INFO] [stdout]  --> src/vec3.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct vec3 {
[INFO] [stdout]   |            ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vec3`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `point3` should have an upper camel case name
[INFO] [stdout]   --> src/vec3.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub type point3 = vec3; // 3D point
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case: `Point3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `color` should have an upper camel case name
[INFO] [stdout]   --> src/vec3.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub type color  = vec3; // RGB color
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ray` should have an upper camel case name
[INFO] [stdout]  --> src/ray.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ray {
[INFO] [stdout]   |            ^^^ help: convert the identifier to upper camel case: `Ray`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `hit_record` should have an upper camel case name
[INFO] [stdout]  --> src/hittable.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct hit_record {
[INFO] [stdout]   |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `HitRecord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `hittable` should have an upper camel case name
[INFO] [stdout]   --> src/hittable.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait hittable {
[INFO] [stdout]    |           ^^^^^^^^ help: convert the identifier to upper camel case: `Hittable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `sphere` should have an upper camel case name
[INFO] [stdout]  --> src/sphere.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct sphere {
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sphere`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `hittable_list` should have an upper camel case name
[INFO] [stdout]  --> src/hittable_list.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct hittable_list{
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `HittableList`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `camera` should have an upper camel case name
[INFO] [stdout]  --> src/camera.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct camera {
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Camera`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `material` should have an upper camel case name
[INFO] [stdout]  --> src/material.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait material{
[INFO] [stdout]   |           ^^^^^^^^ help: convert the identifier to upper camel case: `Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `lambertian` should have an upper camel case name
[INFO] [stdout]   --> src/material.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct lambertian {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `Lambertian`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `metal` should have an upper camel case name
[INFO] [stdout]   --> src/material.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct metal {
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to upper camel case: `Metal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `dielectric` should have an upper camel case name
[INFO] [stdout]   --> src/material.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct dielectric {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `Dielectric`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/vec3.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |             continue;
[INFO] [stdout]     |             -------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 169 |     vec3{e:[0.0,0.0,0.0]}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sphere_material` is never read
[INFO] [stdout]   --> src/main.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let mut sphere_material : std::rc::Rc<dyn material::material> = std::rc::Rc::new(material::dielectric{ir:1.5});
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `direction` is never read
[INFO] [stdout]   --> src/material.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut direction = vec3 {e:[0.0,0.0,0.0]};
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/vec3.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |             continue;
[INFO] [stdout]     |             -------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 169 |     vec3{e:[0.0,0.0,0.0]}
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sphere_material` is never read
[INFO] [stdout]   --> src/main.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let mut sphere_material : std::rc::Rc<dyn material::material> = std::rc::Rc::new(material::dielectric{ir:1.5});
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `direction` is never read
[INFO] [stdout]   --> src/material.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut direction = vec3 {e:[0.0,0.0,0.0]};
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_vec3`
[INFO] [stdout]   --> src/vec3.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn print_vec3(v : &vec3) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_in_hemisphere`
[INFO] [stdout]    --> src/vec3.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn random_in_hemisphere(normal: &vec3) -> vec3 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/hittable_list.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn clear(&mut self) { self.objects.clear() }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PI`
[INFO] [stdout]  --> src/rtweekend.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const PI :f64= std::f64::consts::PI;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `degrees_to_radians`
[INFO] [stdout]  --> src/rtweekend.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn degrees_to_radians(degrees: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/camera.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     w: vec3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reflectance`
[INFO] [stdout]   --> src/material.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn reflectance(cosine: f64, ref_idx: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_vec3`
[INFO] [stdout]   --> src/vec3.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn print_vec3(v : &vec3) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_in_hemisphere`
[INFO] [stdout]    --> src/vec3.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn random_in_hemisphere(normal: &vec3) -> vec3 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/hittable_list.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn clear(&mut self) { self.objects.clear() }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PI`
[INFO] [stdout]  --> src/rtweekend.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const PI :f64= std::f64::consts::PI;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `degrees_to_radians`
[INFO] [stdout]  --> src/rtweekend.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn degrees_to_radians(degrees: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/camera.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     w: vec3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reflectance`
[INFO] [stdout]   --> src/material.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn reflectance(cosine: f64, ref_idx: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "a16d80636a7ec09635b2683aaf4fde5b7050d5be09cba5bab46c0f1e60e0d10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16d80636a7ec09635b2683aaf4fde5b7050d5be09cba5bab46c0f1e60e0d10a", kill_on_drop: false }`
[INFO] [stdout] a16d80636a7ec09635b2683aaf4fde5b7050d5be09cba5bab46c0f1e60e0d10a