[INFO] cloning repository https://github.com/tandalesc/rust-ray-tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tandalesc/rust-ray-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftandalesc%2Frust-ray-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftandalesc%2Frust-ray-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b27ecb44e5d39a4591abc32e50f3e743dd8f339
[INFO] checking tandalesc/rust-ray-tracer against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftandalesc%2Frust-ray-tracer" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tandalesc/rust-ray-tracer on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tandalesc/rust-ray-tracer
[INFO] finished tweaking git repo https://github.com/tandalesc/rust-ray-tracer
[INFO] tweaked toml for git repo https://github.com/tandalesc/rust-ray-tracer written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/tandalesc/rust-ray-tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "0dcb72edd85a3de687780f77b417414f8581f6bded27e7e9f4c42b02623a913d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dcb72edd85a3de687780f77b417414f8581f6bded27e7e9f4c42b02623a913d", kill_on_drop: false }`
[INFO] [stdout] 0dcb72edd85a3de687780f77b417414f8581f6bded27e7e9f4c42b02623a913d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d82d403c2d2b6a88f302d5d5b31be7cbfed6e8997e4edbedeb8d7eb8bcf7577a
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[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling rayon v1.0.3
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[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking safe-transmute v0.10.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking gif v0.10.1
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[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking rust-ray-tracer v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/scene.rs (5 fixes)
[INFO] [stdout] warning: variant is never constructed: `Diffuse`
[INFO] [stdout]   --> src/primitives.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Diffuse,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Reflective`
[INFO] [stdout]   --> src/primitives.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     Reflective {
[INFO] [stdout] 34 | |         reflectivity: f64,
[INFO] [stdout] 35 | |         specular_color: Color,
[INFO] [stdout] 36 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Refractive`
[INFO] [stdout]   --> src/primitives.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     Refractive {
[INFO] [stdout] 38 | |         index: f64,
[INFO] [stdout] 39 | |         transparency: f64,
[INFO] [stdout] 40 | |         reflectivity: f64,
[INFO] [stdout] 41 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_prime`
[INFO] [stdout]   --> src/ray.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn create_prime(x: u32, y: u32, scene: &Scene) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_reflection`
[INFO] [stdout]   --> src/ray.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn create_reflection(surface_normal: Direction, direction: Direction, hit_point: Point, bias: f64) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_transmission`
[INFO] [stdout]   --> src/ray.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn create_transmission(surface_normal: Direction, direction: Direction, hit_point: Point, bias: f64, index: f64) -> Option<Ray> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Intersection`
[INFO] [stdout]  --> src/scene.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Intersection<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/scene.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new<'b>(distance: f64, object: &'b dyn Object) -> Intersection<'b> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Scene`
[INFO] [stdout]   --> src/scene.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Scene<'a> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render`
[INFO] [stdout]   --> src/scene.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn render<'b>(&self) -> DynamicImage {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `trace`
[INFO] [stdout]   --> src/scene.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn trace(&self, ray: &Ray) -> Option<Intersection> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_color`
[INFO] [stdout]   --> src/scene.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn get_color(scene: &Scene, ray: &Ray, intersection: &Intersection, depth: u32) -> Color {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cast_ray`
[INFO] [stdout]   --> src/scene.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn cast_ray(scene: &Scene, ray: &Ray, depth: u32) -> Color {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shade_diffuse`
[INFO] [stdout]    --> src/scene.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn shade_diffuse(scene: &Scene, hit_point: Point, surface_normal: Direction, object: &dyn Object) -> Color {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fresnel`
[INFO] [stdout]    --> src/scene.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn fresnel(surface_normal: Direction, direction: Direction, index: f64) -> 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 42.04s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking rust-ray-tracer v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: variant is never constructed: `Diffuse`
[INFO] [stdout]   --> src/primitives.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Diffuse,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Reflective`
[INFO] [stdout]   --> src/primitives.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     Reflective {
[INFO] [stdout] 34 | |         reflectivity: f64,
[INFO] [stdout] 35 | |         specular_color: Color,
[INFO] [stdout] 36 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Refractive`
[INFO] [stdout]   --> src/primitives.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     Refractive {
[INFO] [stdout] 38 | |         index: f64,
[INFO] [stdout] 39 | |         transparency: f64,
[INFO] [stdout] 40 | |         reflectivity: f64,
[INFO] [stdout] 41 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_prime`
[INFO] [stdout]   --> src/ray.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn create_prime(x: u32, y: u32, scene: &Scene) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_reflection`
[INFO] [stdout]   --> src/ray.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn create_reflection(surface_normal: Direction, direction: Direction, hit_point: Point, bias: f64) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_transmission`
[INFO] [stdout]   --> src/ray.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn create_transmission(surface_normal: Direction, direction: Direction, hit_point: Point, bias: f64, index: f64) -> Option<Ray> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Intersection`
[INFO] [stdout]  --> src/scene.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Intersection<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/scene.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new<'b>(distance: f64, object: &'b dyn Object) -> Intersection<'b> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Scene`
[INFO] [stdout]   --> src/scene.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Scene<'a> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render`
[INFO] [stdout]   --> src/scene.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn render<'b>(&self) -> DynamicImage {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `trace`
[INFO] [stdout]   --> src/scene.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn trace(&self, ray: &Ray) -> Option<Intersection> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_color`
[INFO] [stdout]   --> src/scene.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn get_color(scene: &Scene, ray: &Ray, intersection: &Intersection, depth: u32) -> Color {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cast_ray`
[INFO] [stdout]   --> src/scene.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn cast_ray(scene: &Scene, ray: &Ray, depth: u32) -> Color {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shade_diffuse`
[INFO] [stdout]    --> src/scene.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn shade_diffuse(scene: &Scene, hit_point: Point, surface_normal: Direction, object: &dyn Object) -> Color {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fresnel`
[INFO] [stdout]    --> src/scene.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn fresnel(surface_normal: Direction, direction: Direction, index: f64) -> 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 0.30s
[INFO] running `Command { std: "docker" "inspect" "d82d403c2d2b6a88f302d5d5b31be7cbfed6e8997e4edbedeb8d7eb8bcf7577a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d82d403c2d2b6a88f302d5d5b31be7cbfed6e8997e4edbedeb8d7eb8bcf7577a", kill_on_drop: false }`
[INFO] [stdout] d82d403c2d2b6a88f302d5d5b31be7cbfed6e8997e4edbedeb8d7eb8bcf7577a