[INFO] cloning repository https://github.com/jlndk/rust-raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jlndk/rust-raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlndk%2Frust-raytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlndk%2Frust-raytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4271cb4aff825f4196e5f497820b938f0716d92c
[INFO] checking jlndk/rust-raytracer against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlndk%2Frust-raytracer" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jlndk/rust-raytracer on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jlndk/rust-raytracer
[INFO] finished tweaking git repo https://github.com/jlndk/rust-raytracer
[INFO] tweaked toml for git repo https://github.com/jlndk/rust-raytracer written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jlndk/rust-raytracer 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term-table v1.3.2
[INFO] [stderr]   Downloaded indicatif v0.17.0
[INFO] [stderr]   Downloaded console v0.15.1
[INFO] [stderr]   Downloaded glam v0.21.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cfd8fd6a2519d92b4b04d7ec0450d36e545fed4a0b650b2c50e8160d96521e0
[INFO] running `Command { std: "docker" "start" "-a" "7cfd8fd6a2519d92b4b04d7ec0450d36e545fed4a0b650b2c50e8160d96521e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cfd8fd6a2519d92b4b04d7ec0450d36e545fed4a0b650b2c50e8160d96521e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cfd8fd6a2519d92b4b04d7ec0450d36e545fed4a0b650b2c50e8160d96521e0", kill_on_drop: false }`
[INFO] [stdout] 7cfd8fd6a2519d92b4b04d7ec0450d36e545fed4a0b650b2c50e8160d96521e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6541d88931bff8a27558c84840d2a2107699345e14a17ea523fbaa213902c0d9
[INFO] running `Command { std: "docker" "start" "-a" "6541d88931bff8a27558c84840d2a2107699345e14a17ea523fbaa213902c0d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking glam v0.21.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling rayon v1.5.3
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[INFO] [stderr]     Checking aho-corasick v0.7.18
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[INFO] [stderr]     Checking getrandom v0.2.7
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[INFO] [stderr]     Checking rand_core v0.6.3
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[INFO] [stderr]     Checking term-table v1.3.2
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[INFO] [stderr]     Checking raytracer_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/material.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |             true => (1.0 / self.index_of_refraction),
[INFO] [stdout]     |                     ^                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 116 -             true => (1.0 / self.index_of_refraction),
[INFO] [stdout] 116 +             true => 1.0 / self.index_of_refraction,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/material.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |             true => (1.0 / self.index_of_refraction),
[INFO] [stdout]     |                     ^                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 116 -             true => (1.0 / self.index_of_refraction),
[INFO] [stdout] 116 +             true => 1.0 / self.index_of_refraction,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_in`
[INFO] [stdout]    --> src/material.rs:155:23
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn scatter(&self, ray_in: &Ray, hit_record: &HitRecord) -> Option<ScatterResult> {
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hit_record`
[INFO] [stdout]    --> src/material.rs:155:37
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn scatter(&self, ray_in: &Ray, hit_record: &HitRecord) -> Option<ScatterResult> {
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hit_record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_in`
[INFO] [stdout]    --> src/material.rs:155:23
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn scatter(&self, ray_in: &Ray, hit_record: &HitRecord) -> Option<ScatterResult> {
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hit_record`
[INFO] [stdout]    --> src/material.rs:155:37
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn scatter(&self, ray_in: &Ray, hit_record: &HitRecord) -> Option<ScatterResult> {
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hit_record`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/material.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Metal {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 63 |     pub const fn new(albedo: Vec3, fuzz: f32) -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/material.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Metal {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 63 |     pub const fn new(albedo: Vec3, fuzz: f32) -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/material.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 94 | impl Dielectric {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 95 |     pub const fn new(index_of_refraction: f32) -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/material.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 94 | impl Dielectric {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 95 |     pub const fn new(index_of_refraction: f32) -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_scene` is never used
[INFO] [stdout]   --> src/scene.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn random_scene() -> Scene {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_spheres` is never used
[INFO] [stdout]    --> src/scene.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub fn random_spheres() -> Scene {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_scene` is never used
[INFO] [stdout]   --> src/scene.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn random_scene() -> Scene {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `glowing_sphere` is never used
[INFO] [stdout]    --> src/scene.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 | pub fn glowing_sphere() -> Scene {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_spheres` is never used
[INFO] [stdout]    --> src/scene.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub fn random_spheres() -> Scene {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `rand` is never used
[INFO] [stdout]  --> src/vec3.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Vec3Extension {
[INFO] [stdout]   |           ------------- associated function in this trait
[INFO] [stdout] 5 |     fn rand() -> Vec3;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `glowing_sphere` is never used
[INFO] [stdout]    --> src/scene.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 | pub fn glowing_sphere() -> Scene {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `rand` is never used
[INFO] [stdout]  --> src/vec3.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Vec3Extension {
[INFO] [stdout]   |           ------------- associated function in this trait
[INFO] [stdout] 5 |     fn rand() -> Vec3;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "6541d88931bff8a27558c84840d2a2107699345e14a17ea523fbaa213902c0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6541d88931bff8a27558c84840d2a2107699345e14a17ea523fbaa213902c0d9", kill_on_drop: false }`
[INFO] [stdout] 6541d88931bff8a27558c84840d2a2107699345e14a17ea523fbaa213902c0d9