[INFO] cloning repository https://github.com/agxs/at2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agxs/at2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagxs%2Fat2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagxs%2Fat2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d2c9d5ac66b204cd8ce9be372a45953c4f90160
[INFO] checking agxs/at2 against master#a58ec8ff03b3269b20104eb7eae407be48ab95a7 for pr-119849-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagxs%2Fat2" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agxs/at2 on toolchain a58ec8ff03b3269b20104eb7eae407be48ab95a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a58ec8ff03b3269b20104eb7eae407be48ab95a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agxs/at2
[INFO] finished tweaking git repo https://github.com/agxs/at2
[INFO] tweaked toml for git repo https://github.com/agxs/at2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/agxs/at2 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" "+a58ec8ff03b3269b20104eb7eae407be48ab95a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a58ec8ff03b3269b20104eb7eae407be48ab95a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "c8836ecb82338ee468f4f41e9474b9306c85c3c27c71a25f7db6b742cdb970d7", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a58ec8ff03b3269b20104eb7eae407be48ab95a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `HitRecord`
[INFO] [stdout]  --> src/world.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::surface::{HitRecord, Hittable, HittableList};
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_in_hemisphere`
[INFO] [stdout]  --> src/world.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utilities::{clamp, random_in_hemisphere};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HitRecord`
[INFO] [stdout]  --> src/world.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::surface::{HitRecord, Hittable, HittableList};
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_in_hemisphere`
[INFO] [stdout]  --> src/world.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utilities::{clamp, random_in_hemisphere};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hit_anything` is assigned to, but never used
[INFO] [stdout]   --> src/surface.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut hit_anything = false;
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_hit_anything` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `hit_anything` is never read
[INFO] [stdout]   --> src/surface.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     hit_anything = true;
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hit_anything` is assigned to, but never used
[INFO] [stdout]   --> src/surface.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut hit_anything = false;
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_hit_anything` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `hit_anything` is never read
[INFO] [stdout]   --> src/surface.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     hit_anything = true;
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hit_sphere` is never used
[INFO] [stdout]  --> src/sphere.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn hit_sphere(center: &Point3<f32>, radius: f32, r: &Ray) -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `clear` and `add` are never used
[INFO] [stdout]   --> src/surface.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl HittableList {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 35 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn add(&mut self, obj: Box<dyn Hittable + Sync + Send>) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PI` is never used
[INFO] [stdout]  --> src/utilities.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static PI: f64 = std::f64::consts::PI;
[INFO] [stdout]   |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `degrees_to_radians` is never used
[INFO] [stdout]  --> src/utilities.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn degrees_to_radians(degrees: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_vec3` is never used
[INFO] [stdout]   --> src/utilities.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn random_vec3() -> Vector3<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> src/utilities.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn random_in_hemisphere(normal: &Vector3<f32>) -> Vector3<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hit_sphere` is never used
[INFO] [stdout]  --> src/sphere.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn hit_sphere(center: &Point3<f32>, radius: f32, r: &Ray) -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `clear` and `add` are never used
[INFO] [stdout]   --> src/surface.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl HittableList {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 35 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn add(&mut self, obj: Box<dyn Hittable + Sync + Send>) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PI` is never used
[INFO] [stdout]  --> src/utilities.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static PI: f64 = std::f64::consts::PI;
[INFO] [stdout]   |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `degrees_to_radians` is never used
[INFO] [stdout]  --> src/utilities.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn degrees_to_radians(degrees: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_vec3` is never used
[INFO] [stdout]   --> src/utilities.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn random_vec3() -> Vector3<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> src/utilities.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn random_in_hemisphere(normal: &Vector3<f32>) -> Vector3<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.06s
[INFO] running `Command { std: "docker" "inspect" "7dd46b34e61b3dbe283a02398ed698334dd608c0d6a68320ae8678ad9c005db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd46b34e61b3dbe283a02398ed698334dd608c0d6a68320ae8678ad9c005db3", kill_on_drop: false }`
[INFO] [stdout] 7dd46b34e61b3dbe283a02398ed698334dd608c0d6a68320ae8678ad9c005db3
[INFO] checking agxs/at2 against try#d09c7205ff47571cec0c9444e568a0020bb083db for pr-119849-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagxs%2Fat2" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agxs/at2 on toolchain d09c7205ff47571cec0c9444e568a0020bb083db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d09c7205ff47571cec0c9444e568a0020bb083db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agxs/at2
[INFO] finished tweaking git repo https://github.com/agxs/at2
[INFO] tweaked toml for git repo https://github.com/agxs/at2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/agxs/at2 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" "+d09c7205ff47571cec0c9444e568a0020bb083db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d09c7205ff47571cec0c9444e568a0020bb083db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5a1db1eedab9a7b0a3b392f3d5733f4da712286d5f4a75cd33851311681a238
[INFO] running `Command { std: "docker" "start" "-a" "c5a1db1eedab9a7b0a3b392f3d5733f4da712286d5f4a75cd33851311681a238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5a1db1eedab9a7b0a3b392f3d5733f4da712286d5f4a75cd33851311681a238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a1db1eedab9a7b0a3b392f3d5733f4da712286d5f4a75cd33851311681a238", kill_on_drop: false }`
[INFO] [stdout] c5a1db1eedab9a7b0a3b392f3d5733f4da712286d5f4a75cd33851311681a238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d09c7205ff47571cec0c9444e568a0020bb083db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 024d2939573c892529f33c88c51b1088564c303d6854fa2bb52b13e362dd7663
[INFO] running `Command { std: "docker" "start" "-a" "024d2939573c892529f33c88c51b1088564c303d6854fa2bb52b13e362dd7663", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `HitRecord`
[INFO] [stdout]  --> src/world.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::surface::{HitRecord, Hittable, HittableList};
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_in_hemisphere`
[INFO] [stdout]  --> src/world.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utilities::{clamp, random_in_hemisphere};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HitRecord`
[INFO] [stdout]  --> src/world.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::surface::{HitRecord, Hittable, HittableList};
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_in_hemisphere`
[INFO] [stdout]  --> src/world.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utilities::{clamp, random_in_hemisphere};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hit_anything` is assigned to, but never used
[INFO] [stdout]   --> src/surface.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut hit_anything = false;
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_hit_anything` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `hit_anything` is never read
[INFO] [stdout]   --> src/surface.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     hit_anything = true;
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hit_anything` is assigned to, but never used
[INFO] [stdout]   --> src/surface.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut hit_anything = false;
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_hit_anything` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `hit_anything` is never read
[INFO] [stdout]   --> src/surface.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     hit_anything = true;
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hit_sphere` is never used
[INFO] [stdout]  --> src/sphere.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn hit_sphere(center: &Point3<f32>, radius: f32, r: &Ray) -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `clear` and `add` are never used
[INFO] [stdout]   --> src/surface.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl HittableList {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 35 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn add(&mut self, obj: Box<dyn Hittable + Sync + Send>) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PI` is never used
[INFO] [stdout]  --> src/utilities.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static PI: f64 = std::f64::consts::PI;
[INFO] [stdout]   |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `degrees_to_radians` is never used
[INFO] [stdout]  --> src/utilities.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn degrees_to_radians(degrees: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_vec3` is never used
[INFO] [stdout]   --> src/utilities.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn random_vec3() -> Vector3<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> src/utilities.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn random_in_hemisphere(normal: &Vector3<f32>) -> Vector3<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hit_sphere` is never used
[INFO] [stdout]  --> src/sphere.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn hit_sphere(center: &Point3<f32>, radius: f32, r: &Ray) -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `clear` and `add` are never used
[INFO] [stdout]   --> src/surface.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl HittableList {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 35 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn add(&mut self, obj: Box<dyn Hittable + Sync + Send>) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PI` is never used
[INFO] [stdout]  --> src/utilities.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static PI: f64 = std::f64::consts::PI;
[INFO] [stdout]   |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `degrees_to_radians` is never used
[INFO] [stdout]  --> src/utilities.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn degrees_to_radians(degrees: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_vec3` is never used
[INFO] [stdout]   --> src/utilities.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn random_vec3() -> Vector3<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> src/utilities.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn random_in_hemisphere(normal: &Vector3<f32>) -> Vector3<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.21s
[INFO] running `Command { std: "docker" "inspect" "024d2939573c892529f33c88c51b1088564c303d6854fa2bb52b13e362dd7663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024d2939573c892529f33c88c51b1088564c303d6854fa2bb52b13e362dd7663", kill_on_drop: false }`
[INFO] [stdout] 024d2939573c892529f33c88c51b1088564c303d6854fa2bb52b13e362dd7663