[INFO] cloning repository https://github.com/blaesink/rust-raytracing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blaesink/rust-raytracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaesink%2Frust-raytracing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaesink%2Frust-raytracing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f85d51545278553bc5ec63783ff8f78ad33593f
[INFO] testing blaesink/rust-raytracing against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaesink%2Frust-raytracing" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blaesink/rust-raytracing on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blaesink/rust-raytracing
[INFO] finished tweaking git repo https://github.com/blaesink/rust-raytracing
[INFO] tweaked toml for git repo https://github.com/blaesink/rust-raytracing written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/blaesink/rust-raytracing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f653183a96884e4d7eb2f848a202bcf01ef4aa75c9ffbd1b4cc08aa108951f6e
[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" "f653183a96884e4d7eb2f848a202bcf01ef4aa75c9ffbd1b4cc08aa108951f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f653183a96884e4d7eb2f848a202bcf01ef4aa75c9ffbd1b4cc08aa108951f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f653183a96884e4d7eb2f848a202bcf01ef4aa75c9ffbd1b4cc08aa108951f6e", kill_on_drop: false }`
[INFO] [stdout] f653183a96884e4d7eb2f848a202bcf01ef4aa75c9ffbd1b4cc08aa108951f6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] c428bc30d0c319736479686614cbab63eaff42a1a018866ec6a6f684d16bbb72
[INFO] running `Command { std: "docker" "start" "-a" "c428bc30d0c319736479686614cbab63eaff42a1a018866ec6a6f684d16bbb72", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/hittable.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn hit(&self, r: &Ray, t_min: f64, t_max: f64, rec: &mut HitRecord) -> bool{
[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:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn hit(&self, r: &Ray, t_min: f64, t_max: f64, rec: &mut HitRecord) -> bool{
[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:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn hit(&self, r: &Ray, t_min: f64, t_max: f64, rec: &mut HitRecord) -> bool{
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rec`
[INFO] [stdout]   --> src/hittable.rs:25:52
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn hit(&self, r: &Ray, t_min: f64, t_max: f64, rec: &mut HitRecord) -> bool{
[INFO] [stdout]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> src/hittable.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         for obj in &self.objects {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cross`
[INFO] [stdout]    --> src/vec3.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub fn cross(u: &Vec3, v: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/hittable.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(o: Vec::<T>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PI`
[INFO] [stdout]  --> src/rtweekend.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const PI: f64 = 3.1415926535897932385;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deg_to_rad`
[INFO] [stdout]  --> src/rtweekend.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn deg_to_rad(degrees: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hit_sphere`
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn hit_sphere(center: Point3, radius: f64, r: &Ray) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c428bc30d0c319736479686614cbab63eaff42a1a018866ec6a6f684d16bbb72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c428bc30d0c319736479686614cbab63eaff42a1a018866ec6a6f684d16bbb72", kill_on_drop: false }`
[INFO] [stdout] c428bc30d0c319736479686614cbab63eaff42a1a018866ec6a6f684d16bbb72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09d60c5f1ce6eba8a763127f325e6ce93739f54245adbf55952e93c7bd1fc8ec
[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" "09d60c5f1ce6eba8a763127f325e6ce93739f54245adbf55952e93c7bd1fc8ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/hittable.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn hit(&self, r: &Ray, t_min: f64, t_max: f64, rec: &mut HitRecord) -> bool{
[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:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn hit(&self, r: &Ray, t_min: f64, t_max: f64, rec: &mut HitRecord) -> bool{
[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:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn hit(&self, r: &Ray, t_min: f64, t_max: f64, rec: &mut HitRecord) -> bool{
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rec`
[INFO] [stdout]   --> src/hittable.rs:25:52
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn hit(&self, r: &Ray, t_min: f64, t_max: f64, rec: &mut HitRecord) -> bool{
[INFO] [stdout]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> src/hittable.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         for obj in &self.objects {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cross`
[INFO] [stdout]    --> src/vec3.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub fn cross(u: &Vec3, v: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/hittable.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(o: Vec::<T>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PI`
[INFO] [stdout]  --> src/rtweekend.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const PI: f64 = 3.1415926535897932385;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deg_to_rad`
[INFO] [stdout]  --> src/rtweekend.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn deg_to_rad(degrees: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hit_sphere`
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn hit_sphere(center: Point3, radius: f64, r: &Ray) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "09d60c5f1ce6eba8a763127f325e6ce93739f54245adbf55952e93c7bd1fc8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d60c5f1ce6eba8a763127f325e6ce93739f54245adbf55952e93c7bd1fc8ec", kill_on_drop: false }`
[INFO] [stdout] 09d60c5f1ce6eba8a763127f325e6ce93739f54245adbf55952e93c7bd1fc8ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc7ac5f35b649f6a735c23e7333b51cb33c7d92f67d99d4febf58251081d27d3
[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" "fc7ac5f35b649f6a735c23e7333b51cb33c7d92f67d99d4febf58251081d27d3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::rc::Rc;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> src/hittable.rs:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn hit(&self, r: &Ray, t_min: f64, t_max: f64, rec: &mut HitRecord) -> bool{
[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:25:28
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn hit(&self, r: &Ray, t_min: f64, t_max: f64, rec: &mut HitRecord) -> bool{
[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:25:40
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn hit(&self, r: &Ray, t_min: f64, t_max: f64, rec: &mut HitRecord) -> bool{
[INFO] [stderr]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_t_max`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rec`
[INFO] [stderr]   --> src/hittable.rs:25:52
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn hit(&self, r: &Ray, t_min: f64, t_max: f64, rec: &mut HitRecord) -> bool{
[INFO] [stderr]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/hittable.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         for obj in &self.objects {
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cross`
[INFO] [stderr]    --> src/vec3.rs:129:8
[INFO] [stderr]     |
[INFO] [stderr] 129 | pub fn cross(u: &Vec3, v: &Vec3) -> Vec3 {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/hittable.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new(o: Vec::<T>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `PI`
[INFO] [stderr]  --> src/rtweekend.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const PI: f64 = 3.1415926535897932385;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deg_to_rad`
[INFO] [stderr]  --> src/rtweekend.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn deg_to_rad(degrees: f64) -> f64 {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hit_sphere`
[INFO] [stderr]   --> src/main.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn hit_sphere(center: Point3, radius: f64, r: &Ray) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/raytracing-5fd8f6fc6dd2adac
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc7ac5f35b649f6a735c23e7333b51cb33c7d92f67d99d4febf58251081d27d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc7ac5f35b649f6a735c23e7333b51cb33c7d92f67d99d4febf58251081d27d3", kill_on_drop: false }`
[INFO] [stdout] fc7ac5f35b649f6a735c23e7333b51cb33c7d92f67d99d4febf58251081d27d3