[INFO] cloning repository https://github.com/niceguynix/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/niceguynix/ray-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniceguynix%2Fray-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniceguynix%2Fray-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80c0e66cf3c2d4202f8ce348df05cb9f29e615a8
[INFO] testing niceguynix/ray-tracer against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniceguynix%2Fray-tracer" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/niceguynix/ray-tracer
[INFO] finished tweaking git repo https://github.com/niceguynix/ray-tracer
[INFO] tweaked toml for git repo https://github.com/niceguynix/ray-tracer written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/niceguynix/ray-tracer on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/niceguynix/ray-tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bec95281fff4602d2aed42c5d39c066cd2a6182e1b4aab1c2cead63acbfd2a74
[INFO] running `Command { std: "docker" "start" "-a" "bec95281fff4602d2aed42c5d39c066cd2a6182e1b4aab1c2cead63acbfd2a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bec95281fff4602d2aed42c5d39c066cd2a6182e1b4aab1c2cead63acbfd2a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec95281fff4602d2aed42c5d39c066cd2a6182e1b4aab1c2cead63acbfd2a74", kill_on_drop: false }`
[INFO] [stdout] bec95281fff4602d2aed42c5d39c066cd2a6182e1b4aab1c2cead63acbfd2a74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] cbe6ceb0aeb3c5c6721cca5fe24d2e289771e63eacc1ca4b31b40634eccd2b81
[INFO] running `Command { std: "docker" "start" "-a" "cbe6ceb0aeb3c5c6721cca5fe24d2e289771e63eacc1ca4b31b40634eccd2b81", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `random_unit_vector`
[INFO] [stdout]  --> src/materials/dielectric.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |     rtweekend::{random_unit_vector, refract},
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/materials/dielectric.rs:59:33
[INFO] [stdout]    |
[INFO] [stdout] 59 |     r0 + (1.0 - r0) * f32::powi((1.0 - cosine), 5)
[INFO] [stdout]    |                                 ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -     r0 + (1.0 - r0) * f32::powi((1.0 - cosine), 5)
[INFO] [stdout] 59 +     r0 + (1.0 - r0) * f32::powi(1.0 - cosine , 5)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `distributions::Uniform` and `prelude::Distribution`
[INFO] [stdout]  --> src/types/vector.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{distributions::Uniform, prelude::Distribution, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `random_in_hemisphere` and `random_in_unit_sphere`
[INFO] [stdout]   --> src/main.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     rtweekend::{random_in_hemisphere, random_in_unit_sphere},
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `refracted`
[INFO] [stdout]   --> src/materials/dielectric.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let refracted = refract(&unit_direction, &rec.normal, refraction_ratio);
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_refracted`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/materials/lambertian.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         r_in: &crate::types::ray::Ray,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `focal_length`
[INFO] [stdout]   --> src/types/camera.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let focal_length = 1.0;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_focal_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `R`
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let R = (PI / 4.0).cos();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `clear` are never used
[INFO] [stdout]   --> src/types/hittable_list.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl HittableList {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn new(object: Rc<dyn Hittable>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn clear(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> src/types/rtweekend.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn random_in_hemisphere(normal: &Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let R = (PI / 4.0).cos();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "cbe6ceb0aeb3c5c6721cca5fe24d2e289771e63eacc1ca4b31b40634eccd2b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe6ceb0aeb3c5c6721cca5fe24d2e289771e63eacc1ca4b31b40634eccd2b81", kill_on_drop: false }`
[INFO] [stdout] cbe6ceb0aeb3c5c6721cca5fe24d2e289771e63eacc1ca4b31b40634eccd2b81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 7e2e181520d24c8532d09b286323b5e3afbdf6a0051f2f3f12aef60a2a7fd99d
[INFO] running `Command { std: "docker" "start" "-a" "7e2e181520d24c8532d09b286323b5e3afbdf6a0051f2f3f12aef60a2a7fd99d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `random_unit_vector`
[INFO] [stdout]  --> src/materials/dielectric.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |     rtweekend::{random_unit_vector, refract},
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/materials/dielectric.rs:59:33
[INFO] [stdout]    |
[INFO] [stdout] 59 |     r0 + (1.0 - r0) * f32::powi((1.0 - cosine), 5)
[INFO] [stdout]    |                                 ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -     r0 + (1.0 - r0) * f32::powi((1.0 - cosine), 5)
[INFO] [stdout] 59 +     r0 + (1.0 - r0) * f32::powi(1.0 - cosine , 5)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `distributions::Uniform` and `prelude::Distribution`
[INFO] [stdout]  --> src/types/vector.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{distributions::Uniform, prelude::Distribution, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `random_in_hemisphere` and `random_in_unit_sphere`
[INFO] [stdout]   --> src/main.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     rtweekend::{random_in_hemisphere, random_in_unit_sphere},
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `refracted`
[INFO] [stdout]   --> src/materials/dielectric.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let refracted = refract(&unit_direction, &rec.normal, refraction_ratio);
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_refracted`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/materials/lambertian.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         r_in: &crate::types::ray::Ray,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `focal_length`
[INFO] [stdout]   --> src/types/camera.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let focal_length = 1.0;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_focal_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `R`
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let R = (PI / 4.0).cos();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `clear` are never used
[INFO] [stdout]   --> src/types/hittable_list.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl HittableList {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn new(object: Rc<dyn Hittable>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn clear(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> src/types/rtweekend.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn random_in_hemisphere(normal: &Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let R = (PI / 4.0).cos();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "7e2e181520d24c8532d09b286323b5e3afbdf6a0051f2f3f12aef60a2a7fd99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e2e181520d24c8532d09b286323b5e3afbdf6a0051f2f3f12aef60a2a7fd99d", kill_on_drop: false }`
[INFO] [stdout] 7e2e181520d24c8532d09b286323b5e3afbdf6a0051f2f3f12aef60a2a7fd99d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] fa3ff7186f88aff1215b5c5859c7b3026a00eec6876812d5865f5b3dc769f397
[INFO] running `Command { std: "docker" "start" "-a" "fa3ff7186f88aff1215b5c5859c7b3026a00eec6876812d5865f5b3dc769f397", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `random_unit_vector`
[INFO] [stderr]  --> src/materials/dielectric.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     rtweekend::{random_unit_vector, refract},
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/materials/dielectric.rs:59:33
[INFO] [stderr]    |
[INFO] [stderr] 59 |     r0 + (1.0 - r0) * f32::powi((1.0 - cosine), 5)
[INFO] [stderr]    |                                 ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 59 -     r0 + (1.0 - r0) * f32::powi((1.0 - cosine), 5)
[INFO] [stderr] 59 +     r0 + (1.0 - r0) * f32::powi(1.0 - cosine , 5)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `distributions::Uniform` and `prelude::Distribution`
[INFO] [stderr]  --> src/types/vector.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::{distributions::Uniform, prelude::Distribution, Rng};
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `random_in_hemisphere` and `random_in_unit_sphere`
[INFO] [stderr]   --> src/main.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |     rtweekend::{random_in_hemisphere, random_in_unit_sphere},
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `refracted`
[INFO] [stderr]   --> src/materials/dielectric.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let refracted = refract(&unit_direction, &rec.normal, refraction_ratio);
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_refracted`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_in`
[INFO] [stderr]   --> src/materials/lambertian.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         r_in: &crate::types::ray::Ray,
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `focal_length`
[INFO] [stderr]   --> src/types/camera.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let focal_length = 1.0;
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_focal_length`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `R`
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let R = (PI / 4.0).cos();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_R`
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `clear` are never used
[INFO] [stderr]   --> src/types/hittable_list.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl HittableList {
[INFO] [stderr]    | ----------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub fn new(object: Rc<dyn Hittable>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     fn clear(&mut self) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `random_in_hemisphere` is never used
[INFO] [stderr]   --> src/types/rtweekend.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn random_in_hemisphere(normal: &Vec3) -> Vec3 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `R` should have a snake case name
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let R = (PI / 4.0).cos();
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ray-tracer` (bin "ray-tracer" test) generated 11 warnings (run `cargo fix --bin "ray-tracer" -p ray-tracer --tests` to apply 8 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/ray-tracer/2043824d757a3e58/deps/ray_tracer-2043824d757a3e58)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa3ff7186f88aff1215b5c5859c7b3026a00eec6876812d5865f5b3dc769f397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3ff7186f88aff1215b5c5859c7b3026a00eec6876812d5865f5b3dc769f397", kill_on_drop: false }`
[INFO] [stdout] fa3ff7186f88aff1215b5c5859c7b3026a00eec6876812d5865f5b3dc769f397