[INFO] cloning repository https://github.com/Ikerlb/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/Ikerlb/rust-ray-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIkerlb%2Frust-ray-tracer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIkerlb%2Frust-ray-tracer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 73a6cdaa6ef30559d49ec5c7081e628acda77964 [INFO] checking Ikerlb/rust-ray-tracer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIkerlb%2Frust-ray-tracer" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Ikerlb/rust-ray-tracer 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/Ikerlb/rust-ray-tracer [INFO] finished tweaking git repo https://github.com/Ikerlb/rust-ray-tracer [INFO] tweaked toml for git repo https://github.com/Ikerlb/rust-ray-tracer written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Ikerlb/rust-ray-tracer 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] Downloading crates ... [INFO] [stderr] Downloaded rustix v0.38.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 06f35c34d6d662682d4d91d35aa5c1659e53f47d843aa960b0c9f0e465cf1d17 [INFO] running `Command { std: "docker" "start" "-a" "06f35c34d6d662682d4d91d35aa5c1659e53f47d843aa960b0c9f0e465cf1d17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06f35c34d6d662682d4d91d35aa5c1659e53f47d843aa960b0c9f0e465cf1d17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06f35c34d6d662682d4d91d35aa5c1659e53f47d843aa960b0c9f0e465cf1d17", kill_on_drop: false }` [INFO] [stdout] 06f35c34d6d662682d4d91d35aa5c1659e53f47d843aa960b0c9f0e465cf1d17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 186ab464e99f04fa8fe2fe555853db46009bd270f62d44b1bbe5c01b71fbbc94 [INFO] running `Command { std: "docker" "start" "-a" "186ab464e99f04fa8fe2fe555853db46009bd270f62d44b1bbe5c01b71fbbc94", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling rustix v0.38.7 [INFO] [stderr] Checking linux-raw-sys v0.4.5 [INFO] [stderr] Checking bitflags v2.3.3 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Checking anstyle v1.0.1 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking either v1.9.0 [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 crossbeam-channel v0.5.8 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking anstream v0.3.2 [INFO] [stderr] Checking clap_builder v4.3.21 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Compiling clap_derive v4.3.12 [INFO] [stderr] Checking clap v4.3.21 [INFO] [stderr] Checking rust-ray-tracer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::vec3::Vec3` [INFO] [stdout] --> src/world.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::vec3::Vec3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::color::Color` [INFO] [stdout] --> src/world.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::color::Color; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::color::Color` [INFO] [stdout] --> src/hitrecord.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::color::Color; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/hitrecord.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::vec3::Vec3` [INFO] [stdout] --> src/util.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::vec3::Vec3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::util::reflectance` [INFO] [stdout] --> src/material.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::util::reflectance; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/vec.rs:356:9 [INFO] [stdout] | [INFO] [stdout] 356 | use rand; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::color::Color` [INFO] [stdout] --> src/figure.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::color::Color; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/figure.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Sphere` [INFO] [stdout] --> src/main.rs:20:22 [INFO] [stdout] | [INFO] [stdout] 20 | use figure::{Figure, Sphere}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Dielectric`, `Lambertian`, `Metal` [INFO] [stdout] --> src/main.rs:22:26 [INFO] [stdout] | [INFO] [stdout] 22 | use material::{Material, Lambertian, Metal, Dielectric}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/main.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | use rand::{Rng, self}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::vec3::Vec3` [INFO] [stdout] --> src/world.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::vec3::Vec3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::color::Color` [INFO] [stdout] --> src/world.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::color::Color; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::color::Color` [INFO] [stdout] --> src/hitrecord.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::color::Color; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/hitrecord.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::vec3::Vec3` [INFO] [stdout] --> src/util.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::vec3::Vec3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::util::reflectance` [INFO] [stdout] --> src/material.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::util::reflectance; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::color::Color` [INFO] [stdout] --> src/figure.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::color::Color; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/figure.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Sphere` [INFO] [stdout] --> src/main.rs:20:22 [INFO] [stdout] | [INFO] [stdout] 20 | use figure::{Figure, Sphere}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Dielectric`, `Lambertian`, `Metal` [INFO] [stdout] --> src/main.rs:22:26 [INFO] [stdout] | [INFO] [stdout] 22 | use material::{Material, Lambertian, Metal, Dielectric}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/main.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | use rand::{Rng, self}; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ray_in` [INFO] [stdout] --> src/material.rs:19:35 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn scatter(&self, ray_in: &Ray, rec: &HitRecord, rng: &mut R) -> Option<(Color, Ray)> { [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: `rng` [INFO] [stdout] --> src/material.rs:58:66 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn scatter(&self, ray_in: &Ray, rec: &HitRecord, rng: &mut R) -> Option<(Color, Ray)> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/vec.rs:368:13 [INFO] [stdout] | [INFO] [stdout] 368 | for i in 0..100 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/vec.rs:383:13 [INFO] [stdout] | [INFO] [stdout] 383 | for i in 0..100 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/vec.rs:400:13 [INFO] [stdout] | [INFO] [stdout] 400 | for i in 0..100 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/vec.rs:414:13 [INFO] [stdout] | [INFO] [stdout] 414 | for i in 0..100 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/vec.rs:431:13 [INFO] [stdout] | [INFO] [stdout] 431 | for i in 0..100 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/vec.rs:447:13 [INFO] [stdout] | [INFO] [stdout] 447 | for i in 0..100 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/vec.rs:463:13 [INFO] [stdout] | [INFO] [stdout] 463 | for i in 0..100 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/vec.rs:479:13 [INFO] [stdout] | [INFO] [stdout] 479 | for i in 0..100 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ray_in` [INFO] [stdout] --> src/material.rs:19:35 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn scatter(&self, ray_in: &Ray, rec: &HitRecord, rng: &mut R) -> Option<(Color, Ray)> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/material.rs:58:66 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn scatter(&self, ray_in: &Ray, rec: &HitRecord, rng: &mut R) -> Option<(Color, Ray)> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `percent` [INFO] [stdout] --> src/main.rs:225:17 [INFO] [stdout] | [INFO] [stdout] 225 | let percent = (image_height as f64 - row as f64) / (image_height as f64) * 100.0; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_percent` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_world_with_three_spheres` is never used [INFO] [stdout] --> src/main.rs:133:4 [INFO] [stdout] | [INFO] [stdout] 133 | fn create_world_with_three_spheres() -> (World, Camera) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_two_spheres_world` is never used [INFO] [stdout] --> src/main.rs:163:4 [INFO] [stdout] | [INFO] [stdout] 163 | fn create_two_spheres_world() -> (World, Camera) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reflectance` is never used [INFO] [stdout] --> src/util.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn reflectance(cosine: f64, ref_idx: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:220:5 [INFO] [stdout] | [INFO] [stdout] 220 | writeln!(&mut writer, "P3\n{} {}\n255", image_width, image_height); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:246:5 [INFO] [stdout] | [INFO] [stdout] 246 | writeln!(&mut writer, "{}", res); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `percent` [INFO] [stdout] --> src/main.rs:225:17 [INFO] [stdout] | [INFO] [stdout] 225 | let percent = (image_height as f64 - row as f64) / (image_height as f64) * 100.0; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_percent` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_world_with_three_spheres` is never used [INFO] [stdout] --> src/main.rs:133:4 [INFO] [stdout] | [INFO] [stdout] 133 | fn create_world_with_three_spheres() -> (World, Camera) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_two_spheres_world` is never used [INFO] [stdout] --> src/main.rs:163:4 [INFO] [stdout] | [INFO] [stdout] 163 | fn create_two_spheres_world() -> (World, Camera) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reflectance` is never used [INFO] [stdout] --> src/util.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn reflectance(cosine: f64, ref_idx: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:220:5 [INFO] [stdout] | [INFO] [stdout] 220 | writeln!(&mut writer, "P3\n{} {}\n255", image_width, image_height); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:246:5 [INFO] [stdout] | [INFO] [stdout] 246 | writeln!(&mut writer, "{}", res); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 29 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.94s [INFO] running `Command { std: "docker" "inspect" "186ab464e99f04fa8fe2fe555853db46009bd270f62d44b1bbe5c01b71fbbc94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "186ab464e99f04fa8fe2fe555853db46009bd270f62d44b1bbe5c01b71fbbc94", kill_on_drop: false }` [INFO] [stdout] 186ab464e99f04fa8fe2fe555853db46009bd270f62d44b1bbe5c01b71fbbc94