[INFO] cloning repository https://github.com/psvrishabh/rust_ray_tracing_in_one_weekend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psvrishabh/rust_ray_tracing_in_one_weekend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsvrishabh%2Frust_ray_tracing_in_one_weekend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsvrishabh%2Frust_ray_tracing_in_one_weekend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64140fc2337f91da351e15fa3209ba0497c2cae1
[INFO] testing psvrishabh/rust_ray_tracing_in_one_weekend against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsvrishabh%2Frust_ray_tracing_in_one_weekend" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/psvrishabh/rust_ray_tracing_in_one_weekend on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/psvrishabh/rust_ray_tracing_in_one_weekend
[INFO] finished tweaking git repo https://github.com/psvrishabh/rust_ray_tracing_in_one_weekend
[INFO] tweaked toml for git repo https://github.com/psvrishabh/rust_ray_tracing_in_one_weekend written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/psvrishabh/rust_ray_tracing_in_one_weekend 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efae119038b3907da366f8b927ed78f8be61d47d1c0e0aff56fdf0217a4b0a93
[INFO] running `Command { std: "docker" "start" "-a" "efae119038b3907da366f8b927ed78f8be61d47d1c0e0aff56fdf0217a4b0a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efae119038b3907da366f8b927ed78f8be61d47d1c0e0aff56fdf0217a4b0a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efae119038b3907da366f8b927ed78f8be61d47d1c0e0aff56fdf0217a4b0a93", kill_on_drop: false }`
[INFO] [stdout] efae119038b3907da366f8b927ed78f8be61d47d1c0e0aff56fdf0217a4b0a93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3708bb2b34418238556a917e15332b78da4822f2b4f48d7cb57147535353b5d0
[INFO] running `Command { std: "docker" "start" "-a" "3708bb2b34418238556a917e15332b78da4822f2b4f48d7cb57147535353b5d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling raytracing_in_one_weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/materials/lambertian.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/materials/lambertian.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/hittables/hittable_list.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl HittableList {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 11 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/cameras/camera.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     w: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.48s
[INFO] running `Command { std: "docker" "inspect" "3708bb2b34418238556a917e15332b78da4822f2b4f48d7cb57147535353b5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3708bb2b34418238556a917e15332b78da4822f2b4f48d7cb57147535353b5d0", kill_on_drop: false }`
[INFO] [stdout] 3708bb2b34418238556a917e15332b78da4822f2b4f48d7cb57147535353b5d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f67f35b8c08d5eaafee5e6ca6c3520e2976bbc3b801e8a9ce164a769345c2bbd
[INFO] running `Command { std: "docker" "start" "-a" "f67f35b8c08d5eaafee5e6ca6c3520e2976bbc3b801e8a9ce164a769345c2bbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytracing_in_one_weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/materials/lambertian.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/hittables/hittable.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 |         fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rec`
[INFO] [stdout]   --> src/hittables/hittable.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 38 |         fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/materials/lambertian.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/hittables/hittable.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 |         fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rec`
[INFO] [stdout]   --> src/hittables/hittable.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 38 |         fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/materials/lambertian.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/hittables/hittable_list.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl HittableList {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 11 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/cameras/camera.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     w: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "f67f35b8c08d5eaafee5e6ca6c3520e2976bbc3b801e8a9ce164a769345c2bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f67f35b8c08d5eaafee5e6ca6c3520e2976bbc3b801e8a9ce164a769345c2bbd", kill_on_drop: false }`
[INFO] [stdout] f67f35b8c08d5eaafee5e6ca6c3520e2976bbc3b801e8a9ce164a769345c2bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22ef953a1d9807585d6f29603dfdff4467fa06ba46119f1b241f23a559eb5b9e
[INFO] running `Command { std: "docker" "start" "-a" "22ef953a1d9807585d6f29603dfdff4467fa06ba46119f1b241f23a559eb5b9e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `r_in`
[INFO] [stderr]   --> src/materials/lambertian.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_in`
[INFO] [stderr]   --> src/hittables/hittable.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 38 |         fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stderr]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rec`
[INFO] [stderr]   --> src/hittables/hittable.rs:38:39
[INFO] [stderr]    |
[INFO] [stderr] 38 |         fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stderr]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_in`
[INFO] [stderr]   --> src/materials/lambertian.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Ray, Vec3)> {
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stderr] 
[INFO] [stderr] warning: `raytracing_in_one_weekend` (lib) generated 1 warning (run `cargo fix --lib -p raytracing_in_one_weekend` to apply 1 suggestion)
[INFO] [stderr] warning: `raytracing_in_one_weekend` (lib test) generated 3 warnings (run `cargo fix --lib -p raytracing_in_one_weekend --tests` to apply 3 suggestions)
[INFO] [stderr] warning: method `clear` is never used
[INFO] [stderr]   --> src/hittables/hittable_list.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl HittableList {
[INFO] [stderr]    | ----------------- method in this implementation
[INFO] [stderr] 11 |     pub fn clear(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `w` is never read
[INFO] [stderr]   --> src/cameras/camera.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 5  | pub struct Camera {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 12 |     w: Vec3,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: `raytracing_in_one_weekend` (bin "raytracing_in_one_weekend" test) generated 5 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/raytracing_in_one_weekend-271014232665c208)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test rays::ray::tests::test_ray_direction ... ok
[INFO] [stdout] test rays::ray::tests::test_ray_at ... ok
[INFO] [stdout] test hittables::hittable::tests::test_set_face_normal ... ok
[INFO] [stdout] test rays::ray::tests::test_ray_origin ... ok
[INFO] [stdout] test utils::random_number_utils::tests::test_random_f64 ... ok
[INFO] [stdout] test utils::random_number_utils::tests::test_random_f64_range ... ok
[INFO] [stdout] test utils::vec3_utils::tests::test_cross_itself ... ok
[INFO] [stdout] test utils::vec3_utils::tests::test_cross_orthogonal ... ok
[INFO] [stdout] test utils::vec3_utils::tests::test_dot ... ok
[INFO] [stdout] test utils::vec3_utils::tests::test_unit_vector ... ok
[INFO] [stdout] test vectors::vec3::tests::test_add_assign ... ok
[INFO] [stdout] test vectors::vec3::tests::test_add_vectors ... ok
[INFO] [stdout] test vectors::vec3::tests::test_div ... ok
[INFO] [stdout] test vectors::vec3::tests::test_div_assign ... ok
[INFO] [stdout] test vectors::vec3::tests::test_index ... ok
[INFO] [stdout] test vectors::vec3::tests::test_length ... ok
[INFO] [stdout] test vectors::vec3::tests::test_length_squared ... ok
[INFO] [stdout] test vectors::vec3::tests::test_mul_assign ... ok
[INFO] [stdout] test vectors::vec3::tests::test_negation ... ok
[INFO] [stdout] test vectors::vec3::tests::test_new_with_values ... ok
[INFO] [stdout] test vectors::vec3::tests::test_new_vec3 ... ok
[INFO] [stdout] test vectors::vec3::tests::test_mul_vectors ... ok
[INFO] [stdout] test vectors::vec3::tests::test_sub_vectors ... ok
[INFO] [stdout] test vectors::vec3::tests::test_xyz ... ok
[INFO] [stdout] test vectors::vec3::tests::test_random_vec3 ... ok
[INFO] [stdout] test vectors::vec3::tests::test_random_vec3_min_max ... ok
[INFO] [stdout] test utils::image_utils::tests::test_write_image ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- utils::image_utils::tests::test_write_image stdout ----
[INFO] [stdout] thread 'utils::image_utils::tests::test_write_image' panicked at src/utils/image_utils.rs:6:10:
[INFO] [stdout] Could not save image due to : IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c45bbd67bc - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55c45bbd67bc - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c45bbd67bc - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55c45bbd67bc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55c45bc010a0 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55c45bc010a0 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55c45bbd416f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x55c45bbd65a4 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55c45bbd65a4 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55c45bbd8267 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x55c45bbd7f53 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55c45baf0587 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x55c45baf0587 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55c45bbd8878 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x55c45bbd8878 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55c45bbd85ce - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55c45bbd6c86 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x55c45bbd8332 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55c45ba7b1f5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55c45ba7b783 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   20:     0x55c45ba7d44b - core::result::Result<T,E>::expect::h3162fe06c3c6d92f
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1034:23
[INFO] [stdout]   21:     0x55c45ba7f8d3 - raytracing_in_one_weekend::utils::image_utils::write_image::hb5abe021b8068bbe
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils/image_utils.rs:4:5
[INFO] [stdout]   22:     0x55c45ba80bb3 - raytracing_in_one_weekend::utils::image_utils::tests::test_write_image::hbbbc3aa313f7844d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils/image_utils.rs:19:9
[INFO] [stdout]   23:     0x55c45ba80a77 - raytracing_in_one_weekend::utils::image_utils::tests::test_write_image::{{closure}}::h126f6294f3712573
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils/image_utils.rs:15:26
[INFO] [stdout]   24:     0x55c45ba7c8e6 - core::ops::function::FnOnce::call_once::h9d0e947e910ee010
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55c45baf5bdf - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x55c45baf5bdf - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   27:     0x55c45baf4bf5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   28:     0x55c45baf4bf5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x55c45baf4bf5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   30:     0x55c45baf4bf5 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   31:     0x55c45baf4bf5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x55c45baf4bf5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   33:     0x55c45baf4bf5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   34:     0x55c45babceb6 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   35:     0x55c45babceb6 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   36:     0x55c45bac1f67 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   37:     0x55c45bac1f67 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x55c45bac1f67 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   39:     0x55c45bac1f67 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   40:     0x55c45bac1f67 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   41:     0x55c45bac1f67 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   42:     0x55c45bac1f67 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x55c45bbdd3b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x55c45bbdd3b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   45:     0x55c45bbdd3b5 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7f06c16baac3 - <unknown>
[INFO] [stdout]   47:     0x7f06c174bbf4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     utils::image_utils::tests::test_write_image
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 26 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "22ef953a1d9807585d6f29603dfdff4467fa06ba46119f1b241f23a559eb5b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ef953a1d9807585d6f29603dfdff4467fa06ba46119f1b241f23a559eb5b9e", kill_on_drop: false }`
[INFO] [stdout] 22ef953a1d9807585d6f29603dfdff4467fa06ba46119f1b241f23a559eb5b9e
