[INFO] cloning repository https://github.com/caprado/rust-ray-tracing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caprado/rust-ray-tracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaprado%2Frust-ray-tracing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaprado%2Frust-ray-tracing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9198de849386f17acf0958b7f3c5d3fd64f1907f
[INFO] checking caprado/rust-ray-tracing against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaprado%2Frust-ray-tracing" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/caprado/rust-ray-tracing on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/caprado/rust-ray-tracing
[INFO] finished tweaking git repo https://github.com/caprado/rust-ray-tracing
[INFO] tweaked toml for git repo https://github.com/caprado/rust-ray-tracing written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/caprado/rust-ray-tracing 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c985adb6483f83e0d856e038dc09f4283b97baf8dff965112dbdf2623f01fef6
[INFO] running `Command { std: "docker" "start" "-a" "c985adb6483f83e0d856e038dc09f4283b97baf8dff965112dbdf2623f01fef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c985adb6483f83e0d856e038dc09f4283b97baf8dff965112dbdf2623f01fef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c985adb6483f83e0d856e038dc09f4283b97baf8dff965112dbdf2623f01fef6", kill_on_drop: false }`
[INFO] [stdout] c985adb6483f83e0d856e038dc09f4283b97baf8dff965112dbdf2623f01fef6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1eb59b38fca90b2092b5e58935fb6f1be05845dfe1619ebdb2c06027a738f47
[INFO] running `Command { std: "docker" "start" "-a" "e1eb59b38fca90b2092b5e58935fb6f1be05845dfe1619ebdb2c06027a738f47", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking rust-ray-tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `at` is never used
[INFO] [stdout]   --> src/ray.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Ray {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn at(&self, t: f64) -> Vector3D {
[INFO] [stdout]    |            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `background_color` is never read
[INFO] [stdout]   --> src/scene.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Scene {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 13 |     pub background_color: Color,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `add_light` are never used
[INFO] [stdout]   --> src/scene.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Scene {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 19 |     pub fn new() -> Scene {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn add_light(&mut self, light: Light) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `target` and `rotation_angle` are never read
[INFO] [stdout]   --> src/scene.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub struct Camera {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 92 |     pub position: Vector3D,
[INFO] [stdout] 93 |     pub target: Vector3D,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 94 |     pub rotation_angle: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Camera` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `rotate_around_sphere` are never used
[INFO] [stdout]    --> src/scene.rs:98:12
[INFO] [stdout]     |
[INFO] [stdout] 97  | impl Camera {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 98  |     pub fn new(position: Vector3D, target: Vector3D) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn rotate_around_sphere(&mut self, sphere_center: Vector3D, radius: f64, speed: f64) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/sphere.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Sphere {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 50 |     pub fn new(center: Vector3D, radius: f64, material: Material) -> Sphere {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `at` is never used
[INFO] [stdout]   --> src/ray.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Ray {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn at(&self, t: f64) -> Vector3D {
[INFO] [stdout]    |            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `background_color` is never read
[INFO] [stdout]   --> src/scene.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Scene {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 13 |     pub background_color: Color,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `add_light` are never used
[INFO] [stdout]   --> src/scene.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Scene {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 19 |     pub fn new() -> Scene {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn add_light(&mut self, light: Light) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `target` and `rotation_angle` are never read
[INFO] [stdout]   --> src/scene.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub struct Camera {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 92 |     pub position: Vector3D,
[INFO] [stdout] 93 |     pub target: Vector3D,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 94 |     pub rotation_angle: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Camera` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `rotate_around_sphere` are never used
[INFO] [stdout]    --> src/scene.rs:98:12
[INFO] [stdout]     |
[INFO] [stdout] 97  | impl Camera {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 98  |     pub fn new(position: Vector3D, target: Vector3D) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn rotate_around_sphere(&mut self, sphere_center: Vector3D, radius: f64, speed: f64) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/sphere.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Sphere {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 50 |     pub fn new(center: Vector3D, radius: f64, material: Material) -> Sphere {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.87s
[INFO] running `Command { std: "docker" "inspect" "e1eb59b38fca90b2092b5e58935fb6f1be05845dfe1619ebdb2c06027a738f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1eb59b38fca90b2092b5e58935fb6f1be05845dfe1619ebdb2c06027a738f47", kill_on_drop: false }`
[INFO] [stdout] e1eb59b38fca90b2092b5e58935fb6f1be05845dfe1619ebdb2c06027a738f47