[INFO] cloning repository https://github.com/Farooq-azam-khan/ray-tracing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Farooq-azam-khan/ray-tracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarooq-azam-khan%2Fray-tracing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarooq-azam-khan%2Fray-tracing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3ea29df872000e68dce7792a161a915cbc8f3dc
[INFO] testing Farooq-azam-khan/ray-tracing against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarooq-azam-khan%2Fray-tracing" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Farooq-azam-khan/ray-tracing on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Farooq-azam-khan/ray-tracing
[INFO] finished tweaking git repo https://github.com/Farooq-azam-khan/ray-tracing
[INFO] tweaked toml for git repo https://github.com/Farooq-azam-khan/ray-tracing written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Farooq-azam-khan/ray-tracing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ddbde6659384f541e68134ac51dd61aa3f3fc5a8fb9eb98dd4f7e7b8ed79f161
[INFO] running `Command { std: "docker" "start" "-a" "ddbde6659384f541e68134ac51dd61aa3f3fc5a8fb9eb98dd4f7e7b8ed79f161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddbde6659384f541e68134ac51dd61aa3f3fc5a8fb9eb98dd4f7e7b8ed79f161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddbde6659384f541e68134ac51dd61aa3f3fc5a8fb9eb98dd4f7e7b8ed79f161", kill_on_drop: false }`
[INFO] [stdout] ddbde6659384f541e68134ac51dd61aa3f3fc5a8fb9eb98dd4f7e7b8ed79f161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 177a87405c3eed8a75adcd53f0084aafaf01923e25af33e651da46ba9f93c9a1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "177a87405c3eed8a75adcd53f0084aafaf01923e25af33e651da46ba9f93c9a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling ray-tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/hittable.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             _ => None,
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/main.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |             for s in 0..samples_per_pixel {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `closes_so_far` is assigned to, but never used
[INFO] [stdout]   --> src/hittable_list.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut closes_so_far = t_max;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_closes_so_far` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `closes_so_far` is never read
[INFO] [stdout]   --> src/hittable_list.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 closes_so_far = rec.t;
[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: field is never read: `aspect_ratio`
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     aspect_ratio: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `viewport_height`
[INFO] [stdout]  --> src/camera.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     viewport_height: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_viewport_height`
[INFO] [stdout]   --> src/camera.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn get_viewport_height(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_viewport_width`
[INFO] [stdout]   --> src/camera.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn get_viewport_width(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_face_normal`
[INFO] [stdout]   --> src/hittable.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn set_face_normal(&mut self, r: &Ray, outward_normal: 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) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hit_sphere_old`
[INFO] [stdout]   --> src/sphere.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn hit_sphere_old(center: &Point3, radius: f64, r: &Ray) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hit_sphere`
[INFO] [stdout]   --> src/sphere.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn hit_sphere(center: &Point3, radius: f64, r: &Ray) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pi`
[INFO] [stdout]  --> src/utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn pi() -> f64 {
[INFO] [stdout]   |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `degrees_to_radians`
[INFO] [stdout]  --> src/utils.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn degrees_to_radians(deg: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_f64_range`
[INFO] [stdout]   --> src/utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn random_f64_range(min: u32, max: u32) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.31s
[INFO] running `Command { std: "docker" "inspect" "177a87405c3eed8a75adcd53f0084aafaf01923e25af33e651da46ba9f93c9a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177a87405c3eed8a75adcd53f0084aafaf01923e25af33e651da46ba9f93c9a1", kill_on_drop: false }`
[INFO] [stdout] 177a87405c3eed8a75adcd53f0084aafaf01923e25af33e651da46ba9f93c9a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6269865e7c142dc0e473f9ca1ae37478a6fc687cf0472f628a0c3eacb61e2381
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6269865e7c142dc0e473f9ca1ae37478a6fc687cf0472f628a0c3eacb61e2381", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray-tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/hittable.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             _ => None,
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/main.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |             for s in 0..samples_per_pixel {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `closes_so_far` is assigned to, but never used
[INFO] [stdout]   --> src/hittable_list.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut closes_so_far = t_max;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_closes_so_far` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `closes_so_far` is never read
[INFO] [stdout]   --> src/hittable_list.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 closes_so_far = rec.t;
[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: field is never read: `aspect_ratio`
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     aspect_ratio: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `viewport_height`
[INFO] [stdout]  --> src/camera.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     viewport_height: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_viewport_height`
[INFO] [stdout]   --> src/camera.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn get_viewport_height(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_viewport_width`
[INFO] [stdout]   --> src/camera.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn get_viewport_width(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_face_normal`
[INFO] [stdout]   --> src/hittable.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn set_face_normal(&mut self, r: &Ray, outward_normal: 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) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hit_sphere_old`
[INFO] [stdout]   --> src/sphere.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn hit_sphere_old(center: &Point3, radius: f64, r: &Ray) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hit_sphere`
[INFO] [stdout]   --> src/sphere.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn hit_sphere(center: &Point3, radius: f64, r: &Ray) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pi`
[INFO] [stdout]  --> src/utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn pi() -> f64 {
[INFO] [stdout]   |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `degrees_to_radians`
[INFO] [stdout]  --> src/utils.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn degrees_to_radians(deg: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_f64_range`
[INFO] [stdout]   --> src/utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn random_f64_range(min: u32, max: u32) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "6269865e7c142dc0e473f9ca1ae37478a6fc687cf0472f628a0c3eacb61e2381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6269865e7c142dc0e473f9ca1ae37478a6fc687cf0472f628a0c3eacb61e2381", kill_on_drop: false }`
[INFO] [stdout] 6269865e7c142dc0e473f9ca1ae37478a6fc687cf0472f628a0c3eacb61e2381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a5120db918276b8a3e062db3a333229dffd6ba1f4664eee50b7da3f1fc42acd
[INFO] running `Command { std: "docker" "start" "-a" "7a5120db918276b8a3e062db3a333229dffd6ba1f4664eee50b7da3f1fc42acd", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/hittable.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             _ => None,
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/main.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 |             for s in 0..samples_per_pixel {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `closes_so_far` is assigned to, but never used
[INFO] [stderr]   --> src/hittable_list.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut closes_so_far = t_max;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_closes_so_far` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `closes_so_far` is never read
[INFO] [stderr]   --> src/hittable_list.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 closes_so_far = rec.t;
[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: field is never read: `aspect_ratio`
[INFO] [stderr]  --> src/camera.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     aspect_ratio: f64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `viewport_height`
[INFO] [stderr]  --> src/camera.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     viewport_height: f64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_viewport_height`
[INFO] [stderr]   --> src/camera.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn get_viewport_height(&self) -> f64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_viewport_width`
[INFO] [stderr]   --> src/camera.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn get_viewport_width(&self) -> f64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_face_normal`
[INFO] [stderr]   --> src/hittable.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn set_face_normal(&mut self, r: &Ray, outward_normal: Vec3) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear`
[INFO] [stderr]   --> src/hittable_list.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn clear(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hit_sphere_old`
[INFO] [stderr]   --> src/sphere.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn hit_sphere_old(center: &Point3, radius: f64, r: &Ray) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hit_sphere`
[INFO] [stderr]   --> src/sphere.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn hit_sphere(center: &Point3, radius: f64, r: &Ray) -> f64 {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pi`
[INFO] [stderr]  --> src/utils.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn pi() -> f64 {
[INFO] [stderr]   |        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `degrees_to_radians`
[INFO] [stderr]  --> src/utils.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn degrees_to_radians(deg: f64) -> f64 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_f64_range`
[INFO] [stderr]   --> src/utils.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn random_f64_range(min: u32, max: u32) -> f64 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ray-tracing` (bin "ray-tracing" test) generated 15 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ray_tracing-64ff6b4401e5fec0)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test ray::test_ray_at_orig_point ... ok
[INFO] [stdout] test ray::test_ray_creation ... ok
[INFO] [stdout] test ray::test_ray_at_t_eq_1 ... ok
[INFO] [stdout] test vec3::multiply_contant_and_return_new_vec3 ... ok
[INFO] [stdout] test vec3::negate_vector ... ok
[INFO] [stdout] test vec3::subtract_two_vectors ... ok
[INFO] [stdout] test vec3::test_dot_procut_with_two_vecs_as_input ... ok
[INFO] [stdout] test vec3::test_inplace_addition ... ok
[INFO] [stdout] test vec3::test_unit_length ... ok
[INFO] [stdout] test vec3::test_vec_equality ... ok
[INFO] [stdout] test vec3::test_inplace_division_by_constant ... ok
[INFO] [stdout] test vec3::add_two_vectors ... ok
[INFO] [stdout] test vec3::test_length_squared ... ok
[INFO] [stdout] test vec3::test_vector_length ... ok
[INFO] [stdout] test vec3::test_division_by_constant_and_return_new_vec ... ok
[INFO] [stdout] test vec3::test_inplace_contant_mult ... ok
[INFO] [stdout] test vec3::create_vec3_struct ... ok
[INFO] [stdout] test vec3::create_point_struct ... ok
[INFO] [stdout] test vec3::element_wise_multiplication_of_two_vectors ... ok
[INFO] [stdout] test vec3::create_color_struct ... ok
[INFO] [stdout] test vec3::test_cross_product ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a5120db918276b8a3e062db3a333229dffd6ba1f4664eee50b7da3f1fc42acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5120db918276b8a3e062db3a333229dffd6ba1f4664eee50b7da3f1fc42acd", kill_on_drop: false }`
[INFO] [stdout] 7a5120db918276b8a3e062db3a333229dffd6ba1f4664eee50b7da3f1fc42acd