[INFO] cloning repository https://github.com/sayZhongWen/raytracing-2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sayZhongWen/raytracing-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsayZhongWen%2Fraytracing-2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsayZhongWen%2Fraytracing-2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c922e6d813aae7e51a7b42e466ac148d554fcabc
[INFO] checking sayZhongWen/raytracing-2023 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsayZhongWen%2Fraytracing-2023" "/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/sayZhongWen/raytracing-2023 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] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/sayZhongWen/raytracing-2023
[INFO] finished tweaking git repo https://github.com/sayZhongWen/raytracing-2023
[INFO] tweaked toml for git repo https://github.com/sayZhongWen/raytracing-2023 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sayZhongWen/raytracing-2023 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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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] 25fcb2d278bde14acff73d8e4f3490fbf4c0ef47fbacfcb6af95b9c5279d027e
[INFO] running `Command { std: "docker" "start" "-a" "25fcb2d278bde14acff73d8e4f3490fbf4c0ef47fbacfcb6af95b9c5279d027e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25fcb2d278bde14acff73d8e4f3490fbf4c0ef47fbacfcb6af95b9c5279d027e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25fcb2d278bde14acff73d8e4f3490fbf4c0ef47fbacfcb6af95b9c5279d027e", kill_on_drop: false }`
[INFO] [stdout] 25fcb2d278bde14acff73d8e4f3490fbf4c0ef47fbacfcb6af95b9c5279d027e
[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] b795530d0b7cad1624004d5f29a756b9b0af2a6e3c2747efbc5ee8a00f620cd1
[INFO] running `Command { std: "docker" "start" "-a" "b795530d0b7cad1624004d5f29a756b9b0af2a6e3c2747efbc5ee8a00f620cd1", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling futures-core v0.3.28
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[INFO] [stderr]     Checking weezl v0.1.7
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[INFO] [stderr]    Compiling memoffset v0.9.0
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[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
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[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking png v0.17.9
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking tiff v0.8.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.0
[INFO] [stderr]     Checking pin-project v1.1.0
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.6.4
[INFO] [stderr]     Checking image v0.24.6
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir/raytracer)
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> raytracer/src/hittable.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn pdf_value(&self, o: &Point3, v: &Vec3) -> f64 {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> raytracer/src/hittable.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn pdf_value(&self, o: &Point3, v: &Vec3) -> f64 {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> raytracer/src/hittable.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn random(&self, o: &Vec3) -> Vec3 {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> raytracer/src/material.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Color)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rec`
[INFO] [stdout]   --> raytracer/src/material.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Color)> {
[INFO] [stdout]    |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]   --> raytracer/src/material.rs:10:52
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Color)> {
[INFO] [stdout]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> raytracer/src/material.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rec`
[INFO] [stdout]   --> raytracer/src/material.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scattered`
[INFO] [stdout]   --> raytracer/src/material.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                                                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scattered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> raytracer/src/material.rs:53:30
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]   --> raytracer/src/material.rs:76:52
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Vec3)> {
[INFO] [stdout]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]    --> raytracer/src/material.rs:106:52
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Vec3)> {
[INFO] [stdout]     |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]    --> raytracer/src/material.rs:169:52
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Vec3)> {
[INFO] [stdout]     |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> raytracer/src/hittable.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn pdf_value(&self, o: &Point3, v: &Vec3) -> f64 {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> raytracer/src/hittable.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn pdf_value(&self, o: &Point3, v: &Vec3) -> f64 {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> raytracer/src/hittable.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn random(&self, o: &Vec3) -> Vec3 {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> raytracer/src/material.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Color)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `local` is never used
[INFO] [stdout]   --> raytracer/src/onb.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Onb {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn local(&self, a: f64, b: f64, c: f64) -> Vec3 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> raytracer/src/vec3.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn random_in_hemisphere(normal: Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rec`
[INFO] [stdout]   --> raytracer/src/material.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Color)> {
[INFO] [stdout]    |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_unit_vector` is never used
[INFO] [stdout]   --> raytracer/src/vec3.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn random_unit_vector() -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]   --> raytracer/src/material.rs:10:52
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Color)> {
[INFO] [stdout]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> raytracer/src/material.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rec`
[INFO] [stdout]   --> raytracer/src/material.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scattered`
[INFO] [stdout]   --> raytracer/src/material.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                                                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scattered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> raytracer/src/material.rs:53:30
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]   --> raytracer/src/material.rs:76:52
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Vec3)> {
[INFO] [stdout]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]    --> raytracer/src/material.rs:106:52
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Vec3)> {
[INFO] [stdout]     |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]    --> raytracer/src/material.rs:169:52
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Vec3)> {
[INFO] [stdout]     |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `local` is never used
[INFO] [stdout]   --> raytracer/src/onb.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Onb {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn local(&self, a: f64, b: f64, c: f64) -> Vec3 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> raytracer/src/vec3.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn random_in_hemisphere(normal: Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_unit_vector` is never used
[INFO] [stdout]   --> raytracer/src/vec3.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn random_unit_vector() -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.96s
[INFO] running `Command { std: "docker" "inspect" "b795530d0b7cad1624004d5f29a756b9b0af2a6e3c2747efbc5ee8a00f620cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b795530d0b7cad1624004d5f29a756b9b0af2a6e3c2747efbc5ee8a00f620cd1", kill_on_drop: false }`
[INFO] [stdout] b795530d0b7cad1624004d5f29a756b9b0af2a6e3c2747efbc5ee8a00f620cd1
[INFO] checking sayZhongWen/raytracing-2023 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsayZhongWen%2Fraytracing-2023" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sayZhongWen/raytracing-2023 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/sayZhongWen/raytracing-2023
[INFO] finished tweaking git repo https://github.com/sayZhongWen/raytracing-2023
[INFO] tweaked toml for git repo https://github.com/sayZhongWen/raytracing-2023 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sayZhongWen/raytracing-2023 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a88861ac0b4076f5e2ad34647b1adb645d4c96fe45b4c9ef90b0789746b2fbd
[INFO] running `Command { std: "docker" "start" "-a" "9a88861ac0b4076f5e2ad34647b1adb645d4c96fe45b4c9ef90b0789746b2fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a88861ac0b4076f5e2ad34647b1adb645d4c96fe45b4c9ef90b0789746b2fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a88861ac0b4076f5e2ad34647b1adb645d4c96fe45b4c9ef90b0789746b2fbd", kill_on_drop: false }`
[INFO] [stdout] 9a88861ac0b4076f5e2ad34647b1adb645d4c96fe45b4c9ef90b0789746b2fbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d97be56d0ceb069bd2e0081d3bd06ff1c52db2ece313fe57440a64d2f7cefcf2
[INFO] running `Command { std: "docker" "start" "-a" "d97be56d0ceb069bd2e0081d3bd06ff1c52db2ece313fe57440a64d2f7cefcf2", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking spin v0.9.8
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[INFO] [stderr]     Checking crossbeam-channel v0.5.8
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[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking png v0.17.9
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking tiff v0.8.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.0
[INFO] [stderr]     Checking pin-project v1.1.0
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.6.4
[INFO] [stderr]     Checking image v0.24.6
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir/raytracer)
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> raytracer/src/hittable.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn pdf_value(&self, o: &Point3, v: &Vec3) -> f64 {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> raytracer/src/hittable.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn pdf_value(&self, o: &Point3, v: &Vec3) -> f64 {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> raytracer/src/hittable.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn random(&self, o: &Vec3) -> Vec3 {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> raytracer/src/material.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Color)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rec`
[INFO] [stdout]   --> raytracer/src/material.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Color)> {
[INFO] [stdout]    |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]   --> raytracer/src/material.rs:10:52
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Color)> {
[INFO] [stdout]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> raytracer/src/material.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rec`
[INFO] [stdout]   --> raytracer/src/material.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scattered`
[INFO] [stdout]   --> raytracer/src/material.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                                                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scattered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> raytracer/src/material.rs:53:30
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]   --> raytracer/src/material.rs:76:52
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Vec3)> {
[INFO] [stdout]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]    --> raytracer/src/material.rs:106:52
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Vec3)> {
[INFO] [stdout]     |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]    --> raytracer/src/material.rs:169:52
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Vec3)> {
[INFO] [stdout]     |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> raytracer/src/hittable.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn pdf_value(&self, o: &Point3, v: &Vec3) -> f64 {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> raytracer/src/hittable.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn pdf_value(&self, o: &Point3, v: &Vec3) -> f64 {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> raytracer/src/hittable.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn random(&self, o: &Vec3) -> Vec3 {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> raytracer/src/material.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Color)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rec`
[INFO] [stdout]   --> raytracer/src/material.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Color)> {
[INFO] [stdout]    |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]   --> raytracer/src/material.rs:10:52
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Color)> {
[INFO] [stdout]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> raytracer/src/material.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rec`
[INFO] [stdout]   --> raytracer/src/material.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scattered`
[INFO] [stdout]   --> raytracer/src/material.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                                                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scattered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> raytracer/src/material.rs:53:30
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn scattering_pdf(&self, r_in: &Ray, rec: &HitRecord, scattered: &Ray) -> f64 {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]   --> raytracer/src/material.rs:76:52
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Vec3)> {
[INFO] [stdout]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]    --> raytracer/src/material.rs:106:52
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Vec3)> {
[INFO] [stdout]     |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `local` is never used
[INFO] [stdout]   --> raytracer/src/onb.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Onb {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn local(&self, a: f64, b: f64, c: f64) -> Vec3 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> raytracer/src/vec3.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn random_in_hemisphere(normal: Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_unit_vector` is never used
[INFO] [stdout]   --> raytracer/src/vec3.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn random_unit_vector() -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdf`
[INFO] [stdout]    --> raytracer/src/material.rs:169:52
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord, pdf: &mut f64) -> Option<(Ray, Vec3)> {
[INFO] [stdout]     |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pdf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `local` is never used
[INFO] [stdout]   --> raytracer/src/onb.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Onb {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn local(&self, a: f64, b: f64, c: f64) -> Vec3 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> raytracer/src/vec3.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn random_in_hemisphere(normal: Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_unit_vector` is never used
[INFO] [stdout]   --> raytracer/src/vec3.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn random_unit_vector() -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.30s
[INFO] running `Command { std: "docker" "inspect" "d97be56d0ceb069bd2e0081d3bd06ff1c52db2ece313fe57440a64d2f7cefcf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97be56d0ceb069bd2e0081d3bd06ff1c52db2ece313fe57440a64d2f7cefcf2", kill_on_drop: false }`
[INFO] [stdout] d97be56d0ceb069bd2e0081d3bd06ff1c52db2ece313fe57440a64d2f7cefcf2