[INFO] cloning repository https://github.com/avandolder/raytracing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avandolder/raytracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favandolder%2Fraytracing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favandolder%2Fraytracing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c67f1a80f65d52672f78681ffdb7c26e87f1e98
[INFO] testing avandolder/raytracing against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favandolder%2Fraytracing" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/avandolder/raytracing on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/avandolder/raytracing
[INFO] finished tweaking git repo https://github.com/avandolder/raytracing
[INFO] tweaked toml for git repo https://github.com/avandolder/raytracing written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/avandolder/raytracing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe0e43ab47e3472c1b61f49d6e2e90421deb871db8031ba6f14b5a4816fe2b0e
[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" "fe0e43ab47e3472c1b61f49d6e2e90421deb871db8031ba6f14b5a4816fe2b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe0e43ab47e3472c1b61f49d6e2e90421deb871db8031ba6f14b5a4816fe2b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe0e43ab47e3472c1b61f49d6e2e90421deb871db8031ba6f14b5a4816fe2b0e", kill_on_drop: false }`
[INFO] [stdout] fe0e43ab47e3472c1b61f49d6e2e90421deb871db8031ba6f14b5a4816fe2b0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] acefc4593b7f5958e5bdd6194523b60d90b67286d0cf4e2c6d3fb207586997b3
[INFO] running `Command { std: "docker" "start" "-a" "acefc4593b7f5958e5bdd6194523b60d90b67286d0cf4e2c6d3fb207586997b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling image v0.22.4
[INFO] [stderr]    Compiling raytracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vec3.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (self.0[0] * self.0[0] + self.0[1] * self.0[1] + self.0[2] * self.0[2])
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Glass`
[INFO] [stdout]   --> src/material.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Glass(f32),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Metal`
[INFO] [stdout]   --> src/material.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Metal(Vec3, f32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/moving_sphere.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/sphere.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(center: Vec3, radius: f32, mat: Material) -> Sphere {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Checker`
[INFO] [stdout]  --> src/texture.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     Checker {
[INFO] [stdout] 7 | |         odd: Box<Texture>,
[INFO] [stdout] 8 | |         even: Box<Texture>,
[INFO] [stdout] 9 | |     },
[INFO] [stdout]   | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Image`
[INFO] [stdout]   --> src/texture.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     Image {
[INFO] [stdout] 11 | |         data: Vec<u8>,
[INFO] [stdout] 12 | |         w: u32,
[INFO] [stdout] 13 | |         h: u32,
[INFO] [stdout] 14 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Noise`
[INFO] [stdout]   --> src/texture.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     Noise {
[INFO] [stdout] 16 | |         scale: f32,
[INFO] [stdout] 17 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `checker`
[INFO] [stdout]   --> src/texture.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn checker(odd: Texture, even: Texture) -> Texture {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `noise`
[INFO] [stdout]   --> src/texture.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn noise(scale: f32) -> Texture {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_scene`
[INFO] [stdout]   --> src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn random_scene() -> Vec<Box<dyn Hittable>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `two_spheres`
[INFO] [stdout]    --> src/main.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn two_spheres() -> Vec<Box<dyn Hittable>> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `two_perlin_spheres`
[INFO] [stdout]    --> src/main.rs:135:4
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn two_perlin_spheres() -> Vec<Box<dyn Hittable>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `simple_light`
[INFO] [stdout]    --> src/main.rs:150:4
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn simple_light() -> Vec<Box<dyn Hittable>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 44.30s
[INFO] running `Command { std: "docker" "inspect" "acefc4593b7f5958e5bdd6194523b60d90b67286d0cf4e2c6d3fb207586997b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acefc4593b7f5958e5bdd6194523b60d90b67286d0cf4e2c6d3fb207586997b3", kill_on_drop: false }`
[INFO] [stdout] acefc4593b7f5958e5bdd6194523b60d90b67286d0cf4e2c6d3fb207586997b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] b29a2fbe01b895ab057a46364b71f5845dd99c7c88def79838d896ebbde1caf3
[INFO] running `Command { std: "docker" "start" "-a" "b29a2fbe01b895ab057a46364b71f5845dd99c7c88def79838d896ebbde1caf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vec3.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (self.0[0] * self.0[0] + self.0[1] * self.0[1] + self.0[2] * self.0[2])
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Glass`
[INFO] [stdout]   --> src/material.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Glass(f32),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Metal`
[INFO] [stdout]   --> src/material.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Metal(Vec3, f32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/moving_sphere.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/sphere.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(center: Vec3, radius: f32, mat: Material) -> Sphere {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Checker`
[INFO] [stdout]  --> src/texture.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     Checker {
[INFO] [stdout] 7 | |         odd: Box<Texture>,
[INFO] [stdout] 8 | |         even: Box<Texture>,
[INFO] [stdout] 9 | |     },
[INFO] [stdout]   | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Image`
[INFO] [stdout]   --> src/texture.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     Image {
[INFO] [stdout] 11 | |         data: Vec<u8>,
[INFO] [stdout] 12 | |         w: u32,
[INFO] [stdout] 13 | |         h: u32,
[INFO] [stdout] 14 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Noise`
[INFO] [stdout]   --> src/texture.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     Noise {
[INFO] [stdout] 16 | |         scale: f32,
[INFO] [stdout] 17 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `checker`
[INFO] [stdout]   --> src/texture.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn checker(odd: Texture, even: Texture) -> Texture {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `noise`
[INFO] [stdout]   --> src/texture.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn noise(scale: f32) -> Texture {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_scene`
[INFO] [stdout]   --> src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn random_scene() -> Vec<Box<dyn Hittable>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `two_spheres`
[INFO] [stdout]    --> src/main.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn two_spheres() -> Vec<Box<dyn Hittable>> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `two_perlin_spheres`
[INFO] [stdout]    --> src/main.rs:135:4
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn two_perlin_spheres() -> Vec<Box<dyn Hittable>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `simple_light`
[INFO] [stdout]    --> src/main.rs:150:4
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn simple_light() -> Vec<Box<dyn Hittable>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "b29a2fbe01b895ab057a46364b71f5845dd99c7c88def79838d896ebbde1caf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b29a2fbe01b895ab057a46364b71f5845dd99c7c88def79838d896ebbde1caf3", kill_on_drop: false }`
[INFO] [stdout] b29a2fbe01b895ab057a46364b71f5845dd99c7c88def79838d896ebbde1caf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5db79b5e643c0269aa903e9dbf674f4cca2e33a01c3ecbefe7f3f8d1edde502
[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" "e5db79b5e643c0269aa903e9dbf674f4cca2e33a01c3ecbefe7f3f8d1edde502", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/vec3.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         (self.0[0] * self.0[0] + self.0[1] * self.0[1] + self.0[2] * self.0[2])
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Glass`
[INFO] [stderr]   --> src/material.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Glass(f32),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Metal`
[INFO] [stderr]   --> src/material.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Metal(Vec3, f32),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/moving_sphere.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new(
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/sphere.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new(center: Vec3, radius: f32, mat: Material) -> Sphere {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Checker`
[INFO] [stderr]  --> src/texture.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | /     Checker {
[INFO] [stderr] 7 | |         odd: Box<Texture>,
[INFO] [stderr] 8 | |         even: Box<Texture>,
[INFO] [stderr] 9 | |     },
[INFO] [stderr]   | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Image`
[INFO] [stderr]   --> src/texture.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     Image {
[INFO] [stderr] 11 | |         data: Vec<u8>,
[INFO] [stderr] 12 | |         w: u32,
[INFO] [stderr] 13 | |         h: u32,
[INFO] [stderr] 14 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Noise`
[INFO] [stderr]   --> src/texture.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     Noise {
[INFO] [stderr] 16 | |         scale: f32,
[INFO] [stderr] 17 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `checker`
[INFO] [stderr]   --> src/texture.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn checker(odd: Texture, even: Texture) -> Texture {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `noise`
[INFO] [stderr]   --> src/texture.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn noise(scale: f32) -> Texture {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_scene`
[INFO] [stderr]   --> src/main.rs:34:4
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn random_scene() -> Vec<Box<dyn Hittable>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `two_spheres`
[INFO] [stderr]    --> src/main.rs:116:4
[INFO] [stderr]     |
[INFO] [stderr] 116 | fn two_spheres() -> Vec<Box<dyn Hittable>> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `two_perlin_spheres`
[INFO] [stderr]    --> src/main.rs:135:4
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn two_perlin_spheres() -> Vec<Box<dyn Hittable>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simple_light`
[INFO] [stderr]    --> src/main.rs:150:4
[INFO] [stderr]     |
[INFO] [stderr] 150 | fn simple_light() -> Vec<Box<dyn Hittable>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `raytracing` (bin "raytracing" test) generated 14 warnings
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/raytracing-505497fcf23838fa)
[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" "e5db79b5e643c0269aa903e9dbf674f4cca2e33a01c3ecbefe7f3f8d1edde502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5db79b5e643c0269aa903e9dbf674f4cca2e33a01c3ecbefe7f3f8d1edde502", kill_on_drop: false }`
[INFO] [stdout] e5db79b5e643c0269aa903e9dbf674f4cca2e33a01c3ecbefe7f3f8d1edde502