[INFO] cloning repository https://github.com/gam0022/hanamaru-renderer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gam0022/hanamaru-renderer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgam0022%2Fhanamaru-renderer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgam0022%2Fhanamaru-renderer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16c4ade782e17893ab6f0d8d646422677c2b210e
[INFO] checking gam0022/hanamaru-renderer against nightly-2024-02-05 for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgam0022%2Fhanamaru-renderer" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gam0022/hanamaru-renderer on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gam0022/hanamaru-renderer
[INFO] finished tweaking git repo https://github.com/gam0022/hanamaru-renderer
[INFO] tweaked toml for git repo https://github.com/gam0022/hanamaru-renderer written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gam0022/hanamaru-renderer 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9e76fa75cc8eb1af4fd24c50157d247a3fcc25b00dba2a4915853930822114b
[INFO] running `Command { std: "docker" "start" "-a" "a9e76fa75cc8eb1af4fd24c50157d247a3fcc25b00dba2a4915853930822114b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9e76fa75cc8eb1af4fd24c50157d247a3fcc25b00dba2a4915853930822114b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e76fa75cc8eb1af4fd24c50157d247a3fcc25b00dba2a4915853930822114b", kill_on_drop: false }`
[INFO] [stdout] a9e76fa75cc8eb1af4fd24c50157d247a3fcc25b00dba2a4915853930822114b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6456367ec3b9e256561396cb1b7318e25ef166d8916ac8f85d8228a3e2f6546d
[INFO] running `Command { std: "docker" "start" "-a" "6456367ec3b9e256561396cb1b7318e25ef166d8916ac8f85d8228a3e2f6546d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking bitflags v1.0.4
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[INFO] [stderr]     Checking gif v0.10.0
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[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking hanamaru-renderer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         (self.x * self.x + self.y * self.y + self.z * self.z)
[INFO] [stdout]    |         ^                                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -         (self.x * self.x + self.y * self.y + self.z * self.z)
[INFO] [stdout] 36 +         self.x * self.x + self.y * self.y + self.z * self.z
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/vector.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |         (self.x * self.x + self.y * self.y)
[INFO] [stdout]     |         ^                                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 273 -         (self.x * self.x + self.y * self.y)
[INFO] [stdout] 273 +         self.x * self.x + self.y * self.y
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scene.rs:328:27
[INFO] [stdout]     |
[INFO] [stdout] 328 |     pub elements: Vec<Box<Intersectable>>,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 328 |     pub elements: Vec<Box<dyn Intersectable>>,
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scene.rs:324:37
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn emissions(&self) -> Vec<&Box<Intersectable>>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn emissions(&self) -> Vec<&Box<dyn Intersectable>>;
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scene.rs:356:37
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn emissions(&self) -> Vec<&Box<Intersectable>> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn emissions(&self) -> Vec<&Box<dyn Intersectable>> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scene.rs:362:40
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn add(&mut self, element: Box<Intersectable>) {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn add(&mut self, element: Box<dyn Intersectable>) {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scene.rs:366:62
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn add_with_check_collisions(&mut self, element: Box<Intersectable>) -> bool {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn add_with_check_collisions(&mut self, element: Box<dyn Intersectable>) -> bool {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scene.rs:403:37
[INFO] [stdout]     |
[INFO] [stdout] 403 |     fn emissions(&self) -> Vec<&Box<Intersectable>> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 403 |     fn emissions(&self) -> Vec<&Box<dyn Intersectable>> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/renderer.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling:...
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn calc_pixel(&self, scene: &dyn SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color;
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/renderer.rs:23:84
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling:...
[INFO] [stdout]    |                                                                                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<dyn Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color;
[INFO] [stdout]    |                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/renderer.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn render(&mut self, scene: &SceneTrait, camera: &Camera, imgbuf: &mut ImageBuffer<Rgb<u8>, Vec<u8>>) -> u32 {
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn render(&mut self, scene: &dyn SceneTrait, camera: &Camera, imgbuf: &mut ImageBuffer<Rgb<u8>, Vec<u8>>) -> u32 {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/renderer.rs:48:37
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn supersampling(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, frag_coord: &Vector2, resolution: ...
[INFO] [stdout]    |                                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn supersampling(&self, scene: &dyn SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, frag_coord: &Vector2, resolution: &Vector2, sampling: u32) -> Color {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/renderer.rs:48:87
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn supersampling(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, frag_coord: &Vector2, resolution: ...
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn supersampling(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<dyn Intersectable>>, frag_coord: &Vector2, resolution: &Vector2, sampling: u32) -> Color {
[INFO] [stdout]    |                                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/renderer.rs:116:34
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, _emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, _: u32) ...
[INFO] [stdout]     |                                  ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn calc_pixel(&self, scene: &dyn SceneTrait, camera: &Camera, _emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, _: u32) -> Color {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/renderer.rs:116:85
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, _emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, _: u32) ...
[INFO] [stdout]     |                                                                                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, _emissions: &Vec<&Box<dyn Intersectable>>, normalized_coord: &Vector2, _: u32) -> Color {
[INFO] [stdout]     |                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/renderer.rs:163:34
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling:...
[INFO] [stdout]     |                                  ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn calc_pixel(&self, scene: &dyn SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/renderer.rs:163:84
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling:...
[INFO] [stdout]     |                                                                                    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<dyn Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color {
[INFO] [stdout]     |                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/renderer.rs:270:38
[INFO] [stdout]     |
[INFO] [stdout] 270 | ...                   scene: &SceneTrait, emissions: &Vec<&Box<Intersectable>>, material: &PointMaterial) -> Vector3 {
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 270 |                              scene: &dyn SceneTrait, emissions: &Vec<&Box<Intersectable>>, material: &PointMaterial) -> Vector3 {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/renderer.rs:270:71
[INFO] [stdout]     |
[INFO] [stdout] 270 | ...                   scene: &SceneTrait, emissions: &Vec<&Box<Intersectable>>, material: &PointMaterial) -> Vector3 {
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 270 |                              scene: &SceneTrait, emissions: &Vec<&Box<dyn Intersectable>>, material: &PointMaterial) -> Vector3 {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         (self.x * self.x + self.y * self.y + self.z * self.z)
[INFO] [stdout]    |         ^                                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -         (self.x * self.x + self.y * self.y + self.z * self.z)
[INFO] [stdout] 36 +         self.x * self.x + self.y * self.y + self.z * self.z
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/vector.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |         (self.x * self.x + self.y * self.y)
[INFO] [stdout]     |         ^                                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 273 -         (self.x * self.x + self.y * self.y)
[INFO] [stdout] 273 +         self.x * self.x + self.y * self.y
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scene.rs:328:27
[INFO] [stdout]     |
[INFO] [stdout] 328 |     pub elements: Vec<Box<Intersectable>>,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 328 |     pub elements: Vec<Box<dyn Intersectable>>,
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scene.rs:324:37
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn emissions(&self) -> Vec<&Box<Intersectable>>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn emissions(&self) -> Vec<&Box<dyn Intersectable>>;
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scene.rs:356:37
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn emissions(&self) -> Vec<&Box<Intersectable>> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 356 |     fn emissions(&self) -> Vec<&Box<dyn Intersectable>> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scene.rs:362:40
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn add(&mut self, element: Box<Intersectable>) {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn add(&mut self, element: Box<dyn Intersectable>) {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scene.rs:366:62
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn add_with_check_collisions(&mut self, element: Box<Intersectable>) -> bool {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 366 |     pub fn add_with_check_collisions(&mut self, element: Box<dyn Intersectable>) -> bool {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scene.rs:403:37
[INFO] [stdout]     |
[INFO] [stdout] 403 |     fn emissions(&self) -> Vec<&Box<Intersectable>> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 403 |     fn emissions(&self) -> Vec<&Box<dyn Intersectable>> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/renderer.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling:...
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn calc_pixel(&self, scene: &dyn SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color;
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/renderer.rs:23:84
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling:...
[INFO] [stdout]    |                                                                                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<dyn Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color;
[INFO] [stdout]    |                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/renderer.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn render(&mut self, scene: &SceneTrait, camera: &Camera, imgbuf: &mut ImageBuffer<Rgb<u8>, Vec<u8>>) -> u32 {
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn render(&mut self, scene: &dyn SceneTrait, camera: &Camera, imgbuf: &mut ImageBuffer<Rgb<u8>, Vec<u8>>) -> u32 {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/renderer.rs:48:37
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn supersampling(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, frag_coord: &Vector2, resolution: ...
[INFO] [stdout]    |                                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn supersampling(&self, scene: &dyn SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, frag_coord: &Vector2, resolution: &Vector2, sampling: u32) -> Color {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/renderer.rs:48:87
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn supersampling(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, frag_coord: &Vector2, resolution: ...
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn supersampling(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<dyn Intersectable>>, frag_coord: &Vector2, resolution: &Vector2, sampling: u32) -> Color {
[INFO] [stdout]    |                                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/renderer.rs:116:34
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, _emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, _: u32) ...
[INFO] [stdout]     |                                  ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn calc_pixel(&self, scene: &dyn SceneTrait, camera: &Camera, _emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, _: u32) -> Color {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/renderer.rs:116:85
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, _emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, _: u32) ...
[INFO] [stdout]     |                                                                                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, _emissions: &Vec<&Box<dyn Intersectable>>, normalized_coord: &Vector2, _: u32) -> Color {
[INFO] [stdout]     |                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/renderer.rs:163:34
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling:...
[INFO] [stdout]     |                                  ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn calc_pixel(&self, scene: &dyn SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/renderer.rs:163:84
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling:...
[INFO] [stdout]     |                                                                                    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<dyn Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color {
[INFO] [stdout]     |                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/renderer.rs:270:38
[INFO] [stdout]     |
[INFO] [stdout] 270 | ...                   scene: &SceneTrait, emissions: &Vec<&Box<Intersectable>>, material: &PointMaterial) -> Vector3 {
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 270 |                              scene: &dyn SceneTrait, emissions: &Vec<&Box<Intersectable>>, material: &PointMaterial) -> Vector3 {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/renderer.rs:270:71
[INFO] [stdout]     |
[INFO] [stdout] 270 | ...                   scene: &SceneTrait, emissions: &Vec<&Box<Intersectable>>, material: &PointMaterial) -> Vector3 {
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 270 |                              scene: &SceneTrait, emissions: &Vec<&Box<dyn Intersectable>>, material: &PointMaterial) -> Vector3 {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scene.rs:335:38
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let mut nearest: Option<&Box<Intersectable>> = None;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let mut nearest: Option<&Box<dyn Intersectable>> = None;
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/scene.rs:335:38
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let mut nearest: Option<&Box<Intersectable>> = None;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let mut nearest: Option<&Box<dyn Intersectable>> = None;
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/renderer.rs:176:23
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let (hit, mut intersection) = scene.intersect(&ray);
[INFO] [stdout]     |                       ----^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `rotate_z` and `inverse` are never used
[INFO] [stdout]   --> src/matrix.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Matrix44 {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn rotate_z(t: f64) -> Matrix44 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn inverse(&self) -> Matrix44 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mix` is never used
[INFO] [stdout]   --> src/math.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn mix(x: &Vector3, y: &Vector3, a: f64) -> Vector3 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/main.rs:1241:28
[INFO] [stdout]      |
[INFO] [stdout] 1241 |         Err(f) => { panic!(f.to_string()) }
[INFO] [stdout]      |                            ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1241 |         Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]      |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/renderer.rs:176:23
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let (hit, mut intersection) = scene.intersect(&ray);
[INFO] [stdout]     |                       ----^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `rotate_z` and `inverse` are never used
[INFO] [stdout]   --> src/matrix.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Matrix44 {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn rotate_z(t: f64) -> Matrix44 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn inverse(&self) -> Matrix44 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mix` is never used
[INFO] [stdout]   --> src/math.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn mix(x: &Vector3, y: &Vector3, a: f64) -> Vector3 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/main.rs:1241:28
[INFO] [stdout]      |
[INFO] [stdout] 1241 |         Err(f) => { panic!(f.to_string()) }
[INFO] [stdout]      |                            ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1241 |         Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]      |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "6456367ec3b9e256561396cb1b7318e25ef166d8916ac8f85d8228a3e2f6546d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6456367ec3b9e256561396cb1b7318e25ef166d8916ac8f85d8228a3e2f6546d", kill_on_drop: false }`
[INFO] [stdout] 6456367ec3b9e256561396cb1b7318e25ef166d8916ac8f85d8228a3e2f6546d
