[INFO] cloning repository https://github.com/JoTiger/rustray
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoTiger/rustray" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoTiger%2Frustray", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoTiger%2Frustray'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f3b1b9b3a84a3a3692786c96b5d2583a3ad3f9b
[INFO] checking JoTiger/rustray against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoTiger%2Frustray" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JoTiger/rustray on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JoTiger/rustray
[INFO] finished tweaking git repo https://github.com/JoTiger/rustray
[INFO] tweaked toml for git repo https://github.com/JoTiger/rustray written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/JoTiger/rustray already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de4ce2bf184abc5f576bd38851ee6668e3482c529fbf9fe9f187c1ed4948e422
[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" "de4ce2bf184abc5f576bd38851ee6668e3482c529fbf9fe9f187c1ed4948e422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de4ce2bf184abc5f576bd38851ee6668e3482c529fbf9fe9f187c1ed4948e422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4ce2bf184abc5f576bd38851ee6668e3482c529fbf9fe9f187c1ed4948e422", kill_on_drop: false }`
[INFO] [stdout] de4ce2bf184abc5f576bd38851ee6668e3482c529fbf9fe9f187c1ed4948e422
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50b7020b6954d523b7ed54ee38ffb2e84c2e2eb6871a0026236b575e7921ab9a
[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" "50b7020b6954d523b7ed54ee38ffb2e84c2e2eb6871a0026236b575e7921ab9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking ray v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `vec3::dot`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use vec3::dot;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/hit.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub mat: Option<&'a Material>,
[INFO] [stdout]   |                         ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn material(&self) -> Option<&'a Material>;
[INFO] [stdout]    |                                      ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub list: Vec<Box<Hitable<'a> + 'a>>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Hitable<'a> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit.rs:53:38
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn material(&self) -> Option<&'a Material> {
[INFO] [stdout]    |                                      ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub mat: Option<&'a Material>,
[INFO] [stdout]    |                         ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:16:49
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(c: &Vec3f, r: f32, m: Option<&'a Material>) -> Sphere<'a> {
[INFO] [stdout]    |                                                 ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn material(&self) -> Option<&'a Material> {
[INFO] [stdout]    |                                      ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sphere::Sphere`
[INFO] [stdout]  --> src/sample.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sphere::Sphere;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sample::random_in_unit_sphere`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use sample::random_in_unit_sphere;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:73:32
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut materials: Vec<Box<Material>> = Vec::new();
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:94:14
[INFO] [stdout]    |
[INFO] [stdout] 94 |     for m in (0..500) {
[INFO] [stdout]    |              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:121:14
[INFO] [stdout]     |
[INFO] [stdout] 121 |     for a in (-11..11) {
[INFO] [stdout]     |              ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 |         for b in (-11..11) {
[INFO] [stdout]     |                  ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:175:18
[INFO] [stdout]     |
[INFO] [stdout] 175 |         for i in (0..nx) {
[INFO] [stdout]     |                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:177:22
[INFO] [stdout]     |
[INFO] [stdout] 177 |             for s in (0..ns) {
[INFO] [stdout]     |                      ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec3::dot`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use vec3::dot;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/hit.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub mat: Option<&'a Material>,
[INFO] [stdout]   |                         ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn material(&self) -> Option<&'a Material>;
[INFO] [stdout]    |                                      ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub list: Vec<Box<Hitable<'a> + 'a>>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Hitable<'a> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit.rs:53:38
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn material(&self) -> Option<&'a Material> {
[INFO] [stdout]    |                                      ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub mat: Option<&'a Material>,
[INFO] [stdout]    |                         ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:16:49
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(c: &Vec3f, r: f32, m: Option<&'a Material>) -> Sphere<'a> {
[INFO] [stdout]    |                                                 ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn material(&self) -> Option<&'a Material> {
[INFO] [stdout]    |                                      ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sphere::Sphere`
[INFO] [stdout]  --> src/sample.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sphere::Sphere;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sample::random_in_unit_sphere`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use sample::random_in_unit_sphere;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:73:32
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut materials: Vec<Box<Material>> = Vec::new();
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:94:14
[INFO] [stdout]    |
[INFO] [stdout] 94 |     for m in (0..500) {
[INFO] [stdout]    |              ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:121:14
[INFO] [stdout]     |
[INFO] [stdout] 121 |     for a in (-11..11) {
[INFO] [stdout]     |              ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 |         for b in (-11..11) {
[INFO] [stdout]     |                  ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:175:18
[INFO] [stdout]     |
[INFO] [stdout] 175 |         for i in (0..nx) {
[INFO] [stdout]     |                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:177:22
[INFO] [stdout]     |
[INFO] [stdout] 177 |             for s in (0..ns) {
[INFO] [stdout]     |                      ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     for m in (0..500) {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `R`
[INFO] [stdout]    --> src/main.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let R = (std::f32::consts::PI / 4.0).cos();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |             for s in (0..ns) {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/main.rs:183:21
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 let p = r.point_at_parameter(2.0);
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r_in: &Ray,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/camera.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     w: Vec3f,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     for m in (0..500) {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `R`
[INFO] [stdout]    --> src/main.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let R = (std::f32::consts::PI / 4.0).cos();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/main.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |             for s in (0..ns) {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/main.rs:183:21
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 let p = r.point_at_parameter(2.0);
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         r_in: &Ray,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]    --> src/main.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let R = (std::f32::consts::PI / 4.0).cos();
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `r`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/camera.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     w: Vec3f,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]    --> src/main.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let R = (std::f32::consts::PI / 4.0).cos();
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `r`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.52s
[INFO] running `Command { std: "docker" "inspect" "50b7020b6954d523b7ed54ee38ffb2e84c2e2eb6871a0026236b575e7921ab9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b7020b6954d523b7ed54ee38ffb2e84c2e2eb6871a0026236b575e7921ab9a", kill_on_drop: false }`
[INFO] [stdout] 50b7020b6954d523b7ed54ee38ffb2e84c2e2eb6871a0026236b575e7921ab9a