[INFO] cloning repository https://github.com/goodisontoffee/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/goodisontoffee/ray_tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodisontoffee%2Fray_tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodisontoffee%2Fray_tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c783c2e361c4cddb30ecc97a83aa923b6348f7b7
[INFO] testing goodisontoffee/ray_tracer against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodisontoffee%2Fray_tracer" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/goodisontoffee/ray_tracer on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/goodisontoffee/ray_tracer
[INFO] finished tweaking git repo https://github.com/goodisontoffee/ray_tracer
[INFO] tweaked toml for git repo https://github.com/goodisontoffee/ray_tracer written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate git repo https://github.com/goodisontoffee/ray_tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afc3d45ae3be98542cd0223b7c5ef7539a3b2059a6509aae43ecc14202542631
[INFO] running `Command { std: "docker" "start" "-a" "afc3d45ae3be98542cd0223b7c5ef7539a3b2059a6509aae43ecc14202542631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afc3d45ae3be98542cd0223b7c5ef7539a3b2059a6509aae43ecc14202542631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc3d45ae3be98542cd0223b7c5ef7539a3b2059a6509aae43ecc14202542631", kill_on_drop: false }`
[INFO] [stdout] afc3d45ae3be98542cd0223b7c5ef7539a3b2059a6509aae43ecc14202542631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 666f4e9efe1ba91285f1763343f5ed9da525dcf5c92bf91ce039a53420e59b27
[INFO] running `Command { std: "docker" "start" "-a" "666f4e9efe1ba91285f1763343f5ed9da525dcf5c92bf91ce039a53420e59b27", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `p` is never read
[INFO] [stdout]   --> src/camera.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut p = Vec3::default();
[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: unused variable: `r`
[INFO] [stdout]   --> src/hittable.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn hit(&self, r: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t_min`
[INFO] [stdout]   --> src/hittable.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn hit(&self, r: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_min`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t_max`
[INFO] [stdout]   --> src/hittable.rs:40:40
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn hit(&self, r: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `outward_normal` is never read
[INFO] [stdout]   --> src/material.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let mut outward_normal = Vec3::default();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ni_over_nt` is never read
[INFO] [stdout]   --> src/material.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |             let mut ni_over_nt = 0.0;
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reflect_prob` is never read
[INFO] [stdout]   --> src/material.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let mut reflect_prob = 0.0;
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cosine` is never read
[INFO] [stdout]   --> src/material.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut cosine = 0.0;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `p` is never read
[INFO] [stdout]    --> src/material.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut p = Vec3::default();
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/camera.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     w: Vec3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `A` should have a snake case name
[INFO] [stdout]  --> src/ray.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     A: Vec3,
[INFO] [stdout]   |     ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `B` should have a snake case name
[INFO] [stdout]  --> src/ray.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     B: Vec3,
[INFO] [stdout]   |     ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.63s
[INFO] running `Command { std: "docker" "inspect" "666f4e9efe1ba91285f1763343f5ed9da525dcf5c92bf91ce039a53420e59b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666f4e9efe1ba91285f1763343f5ed9da525dcf5c92bf91ce039a53420e59b27", kill_on_drop: false }`
[INFO] [stdout] 666f4e9efe1ba91285f1763343f5ed9da525dcf5c92bf91ce039a53420e59b27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93b7df6fddaa6da2b0331dd27054bb72f56e4631b4c765f9db9074643a685e3a
[INFO] running `Command { std: "docker" "start" "-a" "93b7df6fddaa6da2b0331dd27054bb72f56e4631b4c765f9db9074643a685e3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/ray.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `p` is never read
[INFO] [stdout]   --> src/camera.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut p = Vec3::default();
[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: unused variable: `r`
[INFO] [stdout]   --> src/hittable.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn hit(&self, r: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t_min`
[INFO] [stdout]   --> src/hittable.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn hit(&self, r: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_min`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t_max`
[INFO] [stdout]   --> src/hittable.rs:40:40
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn hit(&self, r: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `outward_normal` is never read
[INFO] [stdout]   --> src/material.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let mut outward_normal = Vec3::default();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ni_over_nt` is never read
[INFO] [stdout]   --> src/material.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |             let mut ni_over_nt = 0.0;
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reflect_prob` is never read
[INFO] [stdout]   --> src/material.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let mut reflect_prob = 0.0;
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cosine` is never read
[INFO] [stdout]   --> src/material.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut cosine = 0.0;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `p` is never read
[INFO] [stdout]    --> src/material.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut p = Vec3::default();
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/camera.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     w: Vec3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `A` should have a snake case name
[INFO] [stdout]  --> src/ray.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     A: Vec3,
[INFO] [stdout]   |     ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `B` should have a snake case name
[INFO] [stdout]  --> src/ray.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     B: Vec3,
[INFO] [stdout]   |     ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "93b7df6fddaa6da2b0331dd27054bb72f56e4631b4c765f9db9074643a685e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b7df6fddaa6da2b0331dd27054bb72f56e4631b4c765f9db9074643a685e3a", kill_on_drop: false }`
[INFO] [stdout] 93b7df6fddaa6da2b0331dd27054bb72f56e4631b4c765f9db9074643a685e3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0eeefc81049f914ef010e920ba074b2bd80f39ca28224b85bf07b207d0db9f51
[INFO] running `Command { std: "docker" "start" "-a" "0eeefc81049f914ef010e920ba074b2bd80f39ca28224b85bf07b207d0db9f51", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/ray.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `p` is never read
[INFO] [stderr]   --> src/camera.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut p = Vec3::default();
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> src/hittable.rs:40:19
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn hit(&self, r: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
[INFO] [stderr]    |                   ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_min`
[INFO] [stderr]   --> src/hittable.rs:40:28
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn hit(&self, r: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
[INFO] [stderr]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_min`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_max`
[INFO] [stderr]   --> src/hittable.rs:40:40
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn hit(&self, r: &Ray, t_min: f32, t_max: f32) -> Option<HitRecord> {
[INFO] [stderr]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_max`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `outward_normal` is never read
[INFO] [stderr]   --> src/material.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let mut outward_normal = Vec3::default();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ni_over_nt` is never read
[INFO] [stderr]   --> src/material.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |             let mut ni_over_nt = 0.0;
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `reflect_prob` is never read
[INFO] [stderr]   --> src/material.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let mut reflect_prob = 0.0;
[INFO] [stderr]    |                     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cosine` is never read
[INFO] [stderr]   --> src/material.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let mut cosine = 0.0;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `p` is never read
[INFO] [stderr]    --> src/material.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let mut p = Vec3::default();
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `w`
[INFO] [stderr]   --> src/camera.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     w: Vec3,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `A` should have a snake case name
[INFO] [stderr]  --> src/ray.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     A: Vec3,
[INFO] [stderr]   |     ^ help: convert the identifier to snake case: `a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `B` should have a snake case name
[INFO] [stderr]  --> src/ray.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     B: Vec3,
[INFO] [stderr]   |     ^ help: convert the identifier to snake case: `b`
[INFO] [stderr] 
[INFO] [stderr] warning: `ray_tracer` (bin "ray_tracer" test) generated 13 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ray_tracer-bc0d7bd45677688d)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test ray::tests::test_ray_direction ... ok
[INFO] [stdout] test ray::tests::test_ray_origin ... ok
[INFO] [stdout] test ray::tests::test_ray_point_at_parameter ... ok
[INFO] [stdout] test vec3::tests::test_vec3_div ... ok
[INFO] [stdout] test vec3::tests::test_vec3_add ... ok
[INFO] [stdout] test vec3::tests::test_vec3_div_f32 ... ok
[INFO] [stdout] test vec3::tests::test_vec3_mul ... ok
[INFO] [stdout] test vec3::tests::test_vec3_mul_f32 ... ok
[INFO] [stdout] test vec3::tests::test_vec3_sub ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0eeefc81049f914ef010e920ba074b2bd80f39ca28224b85bf07b207d0db9f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eeefc81049f914ef010e920ba074b2bd80f39ca28224b85bf07b207d0db9f51", kill_on_drop: false }`
[INFO] [stdout] 0eeefc81049f914ef010e920ba074b2bd80f39ca28224b85bf07b207d0db9f51