[INFO] cloning repository https://github.com/adihodos/raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adihodos/raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadihodos%2Fraytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadihodos%2Fraytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a78bb86a26f3f5aa33b032e215cd28174b73f0d9
[INFO] testing adihodos/raytracer against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadihodos%2Fraytracer" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adihodos/raytracer on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adihodos/raytracer
[INFO] finished tweaking git repo https://github.com/adihodos/raytracer
[INFO] tweaked toml for git repo https://github.com/adihodos/raytracer written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/adihodos/raytracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93f1540fdbca55591baf1c1d871146aa5c713428e3ce452f408f546c8eee72b9
[INFO] running `Command { std: "docker" "start" "-a" "93f1540fdbca55591baf1c1d871146aa5c713428e3ce452f408f546c8eee72b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93f1540fdbca55591baf1c1d871146aa5c713428e3ce452f408f546c8eee72b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f1540fdbca55591baf1c1d871146aa5c713428e3ce452f408f546c8eee72b9", kill_on_drop: false }`
[INFO] [stdout] 93f1540fdbca55591baf1c1d871146aa5c713428e3ce452f408f546c8eee72b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3c0f9edcf81c4cd80c1878218484b456ec955e346f3c1abf14703c8ed91a8a3
[INFO] running `Command { std: "docker" "start" "-a" "b3c0f9edcf81c4cd80c1878218484b456ec955e346f3c1abf14703c8ed91a8a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling rgb v0.8.13
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `moving_sphere::MovingSphere`
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | use moving_sphere::MovingSphere;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:89:31
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn color(r: &Ray, world: &Arc<Hitable>, depth: i32) -> Vec3 {
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 89 - fn color(r: &Ray, world: &Arc<Hitable>, depth: i32) -> Vec3 {
[INFO] [stdout] 89 + fn color(r: &Ray, world: &Arc<dyn Hitable>, depth: i32) -> Vec3 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh_node.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub left: Arc<Hitable>,
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 10 -   pub left: Arc<Hitable>,
[INFO] [stdout] 10 +   pub left: Arc<dyn Hitable>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh_node.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub right: Arc<Hitable>,
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 11 -   pub right: Arc<Hitable>,
[INFO] [stdout] 11 +   pub right: Arc<dyn Hitable>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/checker_texture.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |   odd : Arc<Texture>,
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] 6 -   odd : Arc<Texture>,
[INFO] [stdout] 6 +   odd : Arc<dyn Texture>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/checker_texture.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |   even : Arc<Texture>
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] 7 -   even : Arc<Texture>
[INFO] [stdout] 7 +   even : Arc<dyn Texture>
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/diffuse_light.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |   emit: Arc<Texture>,
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] 9 -   emit: Arc<Texture>,
[INFO] [stdout] 9 +   emit: Arc<dyn Texture>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/flip_normals.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |   obj: Arc<Hitable>,
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] 7 -   obj: Arc<Hitable>,
[INFO] [stdout] 7 +   obj: Arc<dyn Hitable>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub mtl: Arc<Material>,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 11 -   pub mtl: Arc<Material>,
[INFO] [stdout] 11 +   pub mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/hitable_list.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |   objects: Vec<Arc<Hitable>>,
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] 7 -   objects: Vec<Arc<Hitable>>,
[INFO] [stdout] 7 +   objects: Vec<Arc<dyn Hitable>>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lambertian.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |   pub albedo: Arc<Texture>,
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] 9 -   pub albedo: Arc<Texture>,
[INFO] [stdout] 9 +   pub albedo: Arc<dyn Texture>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/moving_sphere.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub mtl: Arc<Material>,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 13 -   pub mtl: Arc<Material>,
[INFO] [stdout] 13 +   pub mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub mtl: Arc<Material>,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 11 -   pub mtl: Arc<Material>,
[INFO] [stdout] 11 +   pub mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xy_rect.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub mtl: Arc<Material>,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 14 -   pub mtl: Arc<Material>,
[INFO] [stdout] 14 +   pub mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xz_rect.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub mtl: Arc<Material>,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 14 -   pub mtl: Arc<Material>,
[INFO] [stdout] 14 +   pub mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/yz_rect.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub mtl: Arc<Material>,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 14 -   pub mtl: Arc<Material>,
[INFO] [stdout] 14 +   pub mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:191:37
[INFO] [stdout]     |
[INFO] [stdout] 191 |   pub fn random_world_bvh() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 191 -   pub fn random_world_bvh() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout] 191 +   pub fn random_world_bvh() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:199:29
[INFO] [stdout]     |
[INFO] [stdout] 199 |   fn random_world() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 199 -   fn random_world() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout] 199 +   fn random_world() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:205:35
[INFO] [stdout]     |
[INFO] [stdout] 205 |   fn two_perlin_spheres() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout]     |                                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 205 -   fn two_perlin_spheres() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout] 205 +   fn two_perlin_spheres() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |   fn two_spheres() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 225 -   fn two_spheres() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout] 225 +   fn two_spheres() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:251:29
[INFO] [stdout]     |
[INFO] [stdout] 251 |   fn simple_light() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 251 -   fn simple_light() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout] 251 +   fn simple_light() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:286:28
[INFO] [stdout]     |
[INFO] [stdout] 286 |   fn cornell_box() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 286 -   fn cornell_box() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout] 286 +   fn cornell_box() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh_node.rs:47:27
[INFO] [stdout]    |
[INFO] [stdout] 47 |   pub fn new(l: &mut [Arc<Hitable>], time0: f32, time1: f32) -> Arc<BvhNode> {
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 47 -   pub fn new(l: &mut [Arc<Hitable>], time0: f32, time1: f32) -> Arc<BvhNode> {
[INFO] [stdout] 47 +   pub fn new(l: &mut [Arc<dyn Hitable>], time0: f32, time1: f32) -> Arc<BvhNode> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/checker_texture.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub fn new(odd : Arc<Texture>, even : Arc<Texture>) -> CheckerTexture {
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 11 -   pub fn new(odd : Arc<Texture>, even : Arc<Texture>) -> CheckerTexture {
[INFO] [stdout] 11 +   pub fn new(odd : Arc<dyn Texture>, even : Arc<Texture>) -> CheckerTexture {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/checker_texture.rs:11:45
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub fn new(odd : Arc<Texture>, even : Arc<Texture>) -> CheckerTexture {
[INFO] [stdout]    |                                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 11 -   pub fn new(odd : Arc<Texture>, even : Arc<Texture>) -> CheckerTexture {
[INFO] [stdout] 11 +   pub fn new(odd : Arc<Texture>, even : Arc<dyn Texture>) -> CheckerTexture {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/diffuse_light.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn new(tex: Arc<Texture>) -> DiffuseLight {
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 13 -   pub fn new(tex: Arc<Texture>) -> DiffuseLight {
[INFO] [stdout] 13 +   pub fn new(tex: Arc<dyn Texture>) -> DiffuseLight {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/flip_normals.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub fn new(obj: Arc<Hitable>) -> FlipNormals {
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 11 -   pub fn new(obj: Arc<Hitable>) -> FlipNormals {
[INFO] [stdout] 11 +   pub fn new(obj: Arc<dyn Hitable>) -> FlipNormals {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 |     mtl: Arc<Material>,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 21 -     mtl: Arc<Material>,
[INFO] [stdout] 21 +     mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable_list.rs:17:41
[INFO] [stdout]    |
[INFO] [stdout] 17 |   pub fn add_object(&mut self, obj: Arc<Hitable>) {
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 17 -   pub fn add_object(&mut self, obj: Arc<Hitable>) {
[INFO] [stdout] 17 +   pub fn add_object(&mut self, obj: Arc<dyn Hitable>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable_list.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 |   pub fn as_slice(&self) -> &[Arc<Hitable>] {
[INFO] [stdout]    |                                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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 -   pub fn as_slice(&self) -> &[Arc<Hitable>] {
[INFO] [stdout] 25 +   pub fn as_slice(&self) -> &[Arc<dyn Hitable>] {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable_list.rs:29:47
[INFO] [stdout]    |
[INFO] [stdout] 29 |   pub fn as_mut_slice(&mut self) -> &mut [Arc<Hitable>] {
[INFO] [stdout]    |                                               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 29 -   pub fn as_mut_slice(&mut self) -> &mut [Arc<Hitable>] {
[INFO] [stdout] 29 +   pub fn as_mut_slice(&mut self) -> &mut [Arc<dyn Hitable>] {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lambertian.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn new(albedo: Arc<Texture>) -> Lambertian {
[INFO] [stdout]    |                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 13 -   pub fn new(albedo: Arc<Texture>) -> Lambertian {
[INFO] [stdout] 13 +   pub fn new(albedo: Arc<dyn Texture>) -> Lambertian {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/moving_sphere.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |     mtl: Arc<Material>,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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 -     mtl: Arc<Material>,
[INFO] [stdout] 25 +     mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:15:50
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn new(center: Vec3, radius: f32, mtl: Arc<Material>) -> Sphere {
[INFO] [stdout]    |                                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 15 -   pub fn new(center: Vec3, radius: f32, mtl: Arc<Material>) -> Sphere {
[INFO] [stdout] 15 +   pub fn new(center: Vec3, radius: f32, mtl: Arc<dyn Material>) -> Sphere {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xy_rect.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     mtl: Arc<Material>,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 24 -     mtl: Arc<Material>,
[INFO] [stdout] 24 +     mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xz_rect.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     mtl: Arc<Material>,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 24 -     mtl: Arc<Material>,
[INFO] [stdout] 24 +     mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/yz_rect.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     mtl: Arc<Material>,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 24 -     mtl: Arc<Material>,
[INFO] [stdout] 24 +     mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh_node.rs:94:61
[INFO] [stdout]    |
[INFO] [stdout] 94 |         BvhNode::new(&mut l[0..n / 2], time0, time1) as Arc<Hitable>,
[INFO] [stdout]    |                                                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 94 -         BvhNode::new(&mut l[0..n / 2], time0, time1) as Arc<Hitable>,
[INFO] [stdout] 94 +         BvhNode::new(&mut l[0..n / 2], time0, time1) as Arc<dyn Hitable>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh_node.rs:95:60
[INFO] [stdout]    |
[INFO] [stdout] 95 |         BvhNode::new(&mut l[n / 2..], time0, time1) as Arc<Hitable>,
[INFO] [stdout]    |                                                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 95 -         BvhNode::new(&mut l[n / 2..], time0, time1) as Arc<Hitable>,
[INFO] [stdout] 95 +         BvhNode::new(&mut l[n / 2..], time0, time1) as Arc<dyn Hitable>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]   --> src/perlin.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 |   rng.shuffle(&mut v);
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:136:24
[INFO] [stdout]     |
[INFO] [stdout] 136 |           let mtl: Arc<Material> = if choose_mat < 0.8f32 {
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 136 -           let mtl: Arc<Material> = if choose_mat < 0.8f32 {
[INFO] [stdout] 136 +           let mtl: Arc<dyn Material> = if choose_mat < 0.8f32 {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t0`
[INFO] [stdout]   --> src/moving_sphere.rs:76:26
[INFO] [stdout]    |
[INFO] [stdout] 76 |   fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_t0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t1`
[INFO] [stdout]   --> src/moving_sphere.rs:76:35
[INFO] [stdout]    |
[INFO] [stdout] 76 |   fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/noise_texture.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn value(&self, u: f32, v: f32, p: Vec3) -> Vec3 {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/noise_texture.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn value(&self, u: f32, v: f32, p: Vec3) -> Vec3 {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t0`
[INFO] [stdout]   --> src/xy_rect.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |   fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_t0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t1`
[INFO] [stdout]   --> src/xy_rect.rs:61:35
[INFO] [stdout]    |
[INFO] [stdout] 61 |   fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.08s
[INFO] running `Command { std: "docker" "inspect" "b3c0f9edcf81c4cd80c1878218484b456ec955e346f3c1abf14703c8ed91a8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c0f9edcf81c4cd80c1878218484b456ec955e346f3c1abf14703c8ed91a8a3", kill_on_drop: false }`
[INFO] [stdout] b3c0f9edcf81c4cd80c1878218484b456ec955e346f3c1abf14703c8ed91a8a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 885016b0fb6bf753e2639ee5ae8131120525b95b0f36d5a96d47312333caf1d8
[INFO] running `Command { std: "docker" "start" "-a" "885016b0fb6bf753e2639ee5ae8131120525b95b0f36d5a96d47312333caf1d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `moving_sphere::MovingSphere`
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | use moving_sphere::MovingSphere;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:89:31
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn color(r: &Ray, world: &Arc<Hitable>, depth: i32) -> Vec3 {
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 89 - fn color(r: &Ray, world: &Arc<Hitable>, depth: i32) -> Vec3 {
[INFO] [stdout] 89 + fn color(r: &Ray, world: &Arc<dyn Hitable>, depth: i32) -> Vec3 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh_node.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub left: Arc<Hitable>,
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 10 -   pub left: Arc<Hitable>,
[INFO] [stdout] 10 +   pub left: Arc<dyn Hitable>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh_node.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub right: Arc<Hitable>,
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 11 -   pub right: Arc<Hitable>,
[INFO] [stdout] 11 +   pub right: Arc<dyn Hitable>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/checker_texture.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |   odd : Arc<Texture>,
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] 6 -   odd : Arc<Texture>,
[INFO] [stdout] 6 +   odd : Arc<dyn Texture>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/checker_texture.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |   even : Arc<Texture>
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] 7 -   even : Arc<Texture>
[INFO] [stdout] 7 +   even : Arc<dyn Texture>
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/diffuse_light.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |   emit: Arc<Texture>,
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] 9 -   emit: Arc<Texture>,
[INFO] [stdout] 9 +   emit: Arc<dyn Texture>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/flip_normals.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |   obj: Arc<Hitable>,
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] 7 -   obj: Arc<Hitable>,
[INFO] [stdout] 7 +   obj: Arc<dyn Hitable>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub mtl: Arc<Material>,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 11 -   pub mtl: Arc<Material>,
[INFO] [stdout] 11 +   pub mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/hitable_list.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |   objects: Vec<Arc<Hitable>>,
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] 7 -   objects: Vec<Arc<Hitable>>,
[INFO] [stdout] 7 +   objects: Vec<Arc<dyn Hitable>>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lambertian.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |   pub albedo: Arc<Texture>,
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] 9 -   pub albedo: Arc<Texture>,
[INFO] [stdout] 9 +   pub albedo: Arc<dyn Texture>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/moving_sphere.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub mtl: Arc<Material>,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 13 -   pub mtl: Arc<Material>,
[INFO] [stdout] 13 +   pub mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub mtl: Arc<Material>,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 11 -   pub mtl: Arc<Material>,
[INFO] [stdout] 11 +   pub mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xy_rect.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub mtl: Arc<Material>,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 14 -   pub mtl: Arc<Material>,
[INFO] [stdout] 14 +   pub mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xz_rect.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub mtl: Arc<Material>,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 14 -   pub mtl: Arc<Material>,
[INFO] [stdout] 14 +   pub mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/yz_rect.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub mtl: Arc<Material>,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 14 -   pub mtl: Arc<Material>,
[INFO] [stdout] 14 +   pub mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:191:37
[INFO] [stdout]     |
[INFO] [stdout] 191 |   pub fn random_world_bvh() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 191 -   pub fn random_world_bvh() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout] 191 +   pub fn random_world_bvh() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:199:29
[INFO] [stdout]     |
[INFO] [stdout] 199 |   fn random_world() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 199 -   fn random_world() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout] 199 +   fn random_world() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:205:35
[INFO] [stdout]     |
[INFO] [stdout] 205 |   fn two_perlin_spheres() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout]     |                                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 205 -   fn two_perlin_spheres() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout] 205 +   fn two_perlin_spheres() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |   fn two_spheres() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 225 -   fn two_spheres() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout] 225 +   fn two_spheres() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:251:29
[INFO] [stdout]     |
[INFO] [stdout] 251 |   fn simple_light() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 251 -   fn simple_light() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout] 251 +   fn simple_light() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:286:28
[INFO] [stdout]     |
[INFO] [stdout] 286 |   fn cornell_box() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 286 -   fn cornell_box() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stdout] 286 +   fn cornell_box() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh_node.rs:47:27
[INFO] [stdout]    |
[INFO] [stdout] 47 |   pub fn new(l: &mut [Arc<Hitable>], time0: f32, time1: f32) -> Arc<BvhNode> {
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 47 -   pub fn new(l: &mut [Arc<Hitable>], time0: f32, time1: f32) -> Arc<BvhNode> {
[INFO] [stdout] 47 +   pub fn new(l: &mut [Arc<dyn Hitable>], time0: f32, time1: f32) -> Arc<BvhNode> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/checker_texture.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub fn new(odd : Arc<Texture>, even : Arc<Texture>) -> CheckerTexture {
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 11 -   pub fn new(odd : Arc<Texture>, even : Arc<Texture>) -> CheckerTexture {
[INFO] [stdout] 11 +   pub fn new(odd : Arc<dyn Texture>, even : Arc<Texture>) -> CheckerTexture {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/checker_texture.rs:11:45
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub fn new(odd : Arc<Texture>, even : Arc<Texture>) -> CheckerTexture {
[INFO] [stdout]    |                                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 11 -   pub fn new(odd : Arc<Texture>, even : Arc<Texture>) -> CheckerTexture {
[INFO] [stdout] 11 +   pub fn new(odd : Arc<Texture>, even : Arc<dyn Texture>) -> CheckerTexture {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/diffuse_light.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn new(tex: Arc<Texture>) -> DiffuseLight {
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 13 -   pub fn new(tex: Arc<Texture>) -> DiffuseLight {
[INFO] [stdout] 13 +   pub fn new(tex: Arc<dyn Texture>) -> DiffuseLight {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/flip_normals.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub fn new(obj: Arc<Hitable>) -> FlipNormals {
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 11 -   pub fn new(obj: Arc<Hitable>) -> FlipNormals {
[INFO] [stdout] 11 +   pub fn new(obj: Arc<dyn Hitable>) -> FlipNormals {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 |     mtl: Arc<Material>,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 21 -     mtl: Arc<Material>,
[INFO] [stdout] 21 +     mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable_list.rs:17:41
[INFO] [stdout]    |
[INFO] [stdout] 17 |   pub fn add_object(&mut self, obj: Arc<Hitable>) {
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 17 -   pub fn add_object(&mut self, obj: Arc<Hitable>) {
[INFO] [stdout] 17 +   pub fn add_object(&mut self, obj: Arc<dyn Hitable>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable_list.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 |   pub fn as_slice(&self) -> &[Arc<Hitable>] {
[INFO] [stdout]    |                                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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 -   pub fn as_slice(&self) -> &[Arc<Hitable>] {
[INFO] [stdout] 25 +   pub fn as_slice(&self) -> &[Arc<dyn Hitable>] {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable_list.rs:29:47
[INFO] [stdout]    |
[INFO] [stdout] 29 |   pub fn as_mut_slice(&mut self) -> &mut [Arc<Hitable>] {
[INFO] [stdout]    |                                               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 29 -   pub fn as_mut_slice(&mut self) -> &mut [Arc<Hitable>] {
[INFO] [stdout] 29 +   pub fn as_mut_slice(&mut self) -> &mut [Arc<dyn Hitable>] {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lambertian.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn new(albedo: Arc<Texture>) -> Lambertian {
[INFO] [stdout]    |                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 13 -   pub fn new(albedo: Arc<Texture>) -> Lambertian {
[INFO] [stdout] 13 +   pub fn new(albedo: Arc<dyn Texture>) -> Lambertian {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/moving_sphere.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |     mtl: Arc<Material>,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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 -     mtl: Arc<Material>,
[INFO] [stdout] 25 +     mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:15:50
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn new(center: Vec3, radius: f32, mtl: Arc<Material>) -> Sphere {
[INFO] [stdout]    |                                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 15 -   pub fn new(center: Vec3, radius: f32, mtl: Arc<Material>) -> Sphere {
[INFO] [stdout] 15 +   pub fn new(center: Vec3, radius: f32, mtl: Arc<dyn Material>) -> Sphere {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xy_rect.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     mtl: Arc<Material>,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 24 -     mtl: Arc<Material>,
[INFO] [stdout] 24 +     mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xz_rect.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     mtl: Arc<Material>,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 24 -     mtl: Arc<Material>,
[INFO] [stdout] 24 +     mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/yz_rect.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     mtl: Arc<Material>,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 24 -     mtl: Arc<Material>,
[INFO] [stdout] 24 +     mtl: Arc<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh_node.rs:94:61
[INFO] [stdout]    |
[INFO] [stdout] 94 |         BvhNode::new(&mut l[0..n / 2], time0, time1) as Arc<Hitable>,
[INFO] [stdout]    |                                                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 94 -         BvhNode::new(&mut l[0..n / 2], time0, time1) as Arc<Hitable>,
[INFO] [stdout] 94 +         BvhNode::new(&mut l[0..n / 2], time0, time1) as Arc<dyn Hitable>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh_node.rs:95:60
[INFO] [stdout]    |
[INFO] [stdout] 95 |         BvhNode::new(&mut l[n / 2..], time0, time1) as Arc<Hitable>,
[INFO] [stdout]    |                                                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 95 -         BvhNode::new(&mut l[n / 2..], time0, time1) as Arc<Hitable>,
[INFO] [stdout] 95 +         BvhNode::new(&mut l[n / 2..], time0, time1) as Arc<dyn Hitable>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stdout]   --> src/perlin.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 |   rng.shuffle(&mut v);
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:136:24
[INFO] [stdout]     |
[INFO] [stdout] 136 |           let mtl: Arc<Material> = if choose_mat < 0.8f32 {
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 136 -           let mtl: Arc<Material> = if choose_mat < 0.8f32 {
[INFO] [stdout] 136 +           let mtl: Arc<dyn Material> = if choose_mat < 0.8f32 {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t0`
[INFO] [stdout]   --> src/moving_sphere.rs:76:26
[INFO] [stdout]    |
[INFO] [stdout] 76 |   fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_t0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t1`
[INFO] [stdout]   --> src/moving_sphere.rs:76:35
[INFO] [stdout]    |
[INFO] [stdout] 76 |   fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/noise_texture.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn value(&self, u: f32, v: f32, p: Vec3) -> Vec3 {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/noise_texture.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn value(&self, u: f32, v: f32, p: Vec3) -> Vec3 {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t0`
[INFO] [stdout]   --> src/xy_rect.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |   fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_t0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t1`
[INFO] [stdout]   --> src/xy_rect.rs:61:35
[INFO] [stdout]    |
[INFO] [stdout] 61 |   fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "885016b0fb6bf753e2639ee5ae8131120525b95b0f36d5a96d47312333caf1d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "885016b0fb6bf753e2639ee5ae8131120525b95b0f36d5a96d47312333caf1d8", kill_on_drop: false }`
[INFO] [stdout] 885016b0fb6bf753e2639ee5ae8131120525b95b0f36d5a96d47312333caf1d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8815b3b0f27e2fca2df01b8de7854a9d25d8f3c46ddd85b0b6ff508ae7008bcb
[INFO] running `Command { std: "docker" "start" "-a" "8815b3b0f27e2fca2df01b8de7854a9d25d8f3c46ddd85b0b6ff508ae7008bcb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `moving_sphere::MovingSphere`
[INFO] [stderr]   --> src/main.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | use moving_sphere::MovingSphere;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:89:31
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn color(r: &Ray, world: &Arc<Hitable>, depth: i32) -> Vec3 {
[INFO] [stderr]    |                               ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 89 - fn color(r: &Ray, world: &Arc<Hitable>, depth: i32) -> Vec3 {
[INFO] [stderr] 89 + fn color(r: &Ray, world: &Arc<dyn Hitable>, depth: i32) -> Vec3 {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh_node.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 |   pub left: Arc<Hitable>,
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 -   pub left: Arc<Hitable>,
[INFO] [stderr] 10 +   pub left: Arc<dyn Hitable>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh_node.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub right: Arc<Hitable>,
[INFO] [stderr]    |                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 -   pub right: Arc<Hitable>,
[INFO] [stderr] 11 +   pub right: Arc<dyn Hitable>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/checker_texture.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |   odd : Arc<Texture>,
[INFO] [stderr]   |             ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 6 -   odd : Arc<Texture>,
[INFO] [stderr] 6 +   odd : Arc<dyn Texture>,
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/checker_texture.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |   even : Arc<Texture>
[INFO] [stderr]   |              ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 7 -   even : Arc<Texture>
[INFO] [stderr] 7 +   even : Arc<dyn Texture>
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/diffuse_light.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |   emit: Arc<Texture>,
[INFO] [stderr]   |             ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 9 -   emit: Arc<Texture>,
[INFO] [stderr] 9 +   emit: Arc<dyn Texture>,
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/flip_normals.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 |   obj: Arc<Hitable>,
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 7 -   obj: Arc<Hitable>,
[INFO] [stderr] 7 +   obj: Arc<dyn Hitable>,
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub mtl: Arc<Material>,
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 -   pub mtl: Arc<Material>,
[INFO] [stderr] 11 +   pub mtl: Arc<dyn Material>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/hitable_list.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |   objects: Vec<Arc<Hitable>>,
[INFO] [stderr]   |                    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 7 -   objects: Vec<Arc<Hitable>>,
[INFO] [stderr] 7 +   objects: Vec<Arc<dyn Hitable>>,
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lambertian.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 |   pub albedo: Arc<Texture>,
[INFO] [stderr]   |                   ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 9 -   pub albedo: Arc<Texture>,
[INFO] [stderr] 9 +   pub albedo: Arc<dyn Texture>,
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/moving_sphere.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 |   pub mtl: Arc<Material>,
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 -   pub mtl: Arc<Material>,
[INFO] [stderr] 13 +   pub mtl: Arc<dyn Material>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sphere.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub mtl: Arc<Material>,
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 -   pub mtl: Arc<Material>,
[INFO] [stderr] 11 +   pub mtl: Arc<dyn Material>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/xy_rect.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |   pub mtl: Arc<Material>,
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 14 -   pub mtl: Arc<Material>,
[INFO] [stderr] 14 +   pub mtl: Arc<dyn Material>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/xz_rect.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |   pub mtl: Arc<Material>,
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 14 -   pub mtl: Arc<Material>,
[INFO] [stderr] 14 +   pub mtl: Arc<dyn Material>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/yz_rect.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |   pub mtl: Arc<Material>,
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 14 -   pub mtl: Arc<Material>,
[INFO] [stderr] 14 +   pub mtl: Arc<dyn Material>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:191:37
[INFO] [stderr]     |
[INFO] [stderr] 191 |   pub fn random_world_bvh() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stderr]     |                                     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 191 -   pub fn random_world_bvh() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stderr] 191 +   pub fn random_world_bvh() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:199:29
[INFO] [stderr]     |
[INFO] [stderr] 199 |   fn random_world() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stderr]     |                             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 199 -   fn random_world() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stderr] 199 +   fn random_world() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:205:35
[INFO] [stderr]     |
[INFO] [stderr] 205 |   fn two_perlin_spheres() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stderr]     |                                   ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 205 -   fn two_perlin_spheres() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stderr] 205 +   fn two_perlin_spheres() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:225:28
[INFO] [stderr]     |
[INFO] [stderr] 225 |   fn two_spheres() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stderr]     |                            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 225 -   fn two_spheres() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stderr] 225 +   fn two_spheres() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:251:29
[INFO] [stderr]     |
[INFO] [stderr] 251 |   fn simple_light() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stderr]     |                             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 251 -   fn simple_light() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stderr] 251 +   fn simple_light() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:286:28
[INFO] [stderr]     |
[INFO] [stderr] 286 |   fn cornell_box() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stderr]     |                            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 286 -   fn cornell_box() -> (Arc<Hitable>, CameraParameters) {
[INFO] [stderr] 286 +   fn cornell_box() -> (Arc<dyn Hitable>, CameraParameters) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh_node.rs:47:27
[INFO] [stderr]    |
[INFO] [stderr] 47 |   pub fn new(l: &mut [Arc<Hitable>], time0: f32, time1: f32) -> Arc<BvhNode> {
[INFO] [stderr]    |                           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 47 -   pub fn new(l: &mut [Arc<Hitable>], time0: f32, time1: f32) -> Arc<BvhNode> {
[INFO] [stderr] 47 +   pub fn new(l: &mut [Arc<dyn Hitable>], time0: f32, time1: f32) -> Arc<BvhNode> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/checker_texture.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub fn new(odd : Arc<Texture>, even : Arc<Texture>) -> CheckerTexture {
[INFO] [stderr]    |                        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 -   pub fn new(odd : Arc<Texture>, even : Arc<Texture>) -> CheckerTexture {
[INFO] [stderr] 11 +   pub fn new(odd : Arc<dyn Texture>, even : Arc<Texture>) -> CheckerTexture {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/checker_texture.rs:11:45
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub fn new(odd : Arc<Texture>, even : Arc<Texture>) -> CheckerTexture {
[INFO] [stderr]    |                                             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 -   pub fn new(odd : Arc<Texture>, even : Arc<Texture>) -> CheckerTexture {
[INFO] [stderr] 11 +   pub fn new(odd : Arc<Texture>, even : Arc<dyn Texture>) -> CheckerTexture {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/diffuse_light.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |   pub fn new(tex: Arc<Texture>) -> DiffuseLight {
[INFO] [stderr]    |                       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 -   pub fn new(tex: Arc<Texture>) -> DiffuseLight {
[INFO] [stderr] 13 +   pub fn new(tex: Arc<dyn Texture>) -> DiffuseLight {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/flip_normals.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub fn new(obj: Arc<Hitable>) -> FlipNormals {
[INFO] [stderr]    |                       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 -   pub fn new(obj: Arc<Hitable>) -> FlipNormals {
[INFO] [stderr] 11 +   pub fn new(obj: Arc<dyn Hitable>) -> FlipNormals {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 |     mtl: Arc<Material>,
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 21 -     mtl: Arc<Material>,
[INFO] [stderr] 21 +     mtl: Arc<dyn Material>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable_list.rs:17:41
[INFO] [stderr]    |
[INFO] [stderr] 17 |   pub fn add_object(&mut self, obj: Arc<Hitable>) {
[INFO] [stderr]    |                                         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 17 -   pub fn add_object(&mut self, obj: Arc<Hitable>) {
[INFO] [stderr] 17 +   pub fn add_object(&mut self, obj: Arc<dyn Hitable>) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable_list.rs:25:35
[INFO] [stderr]    |
[INFO] [stderr] 25 |   pub fn as_slice(&self) -> &[Arc<Hitable>] {
[INFO] [stderr]    |                                   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 25 -   pub fn as_slice(&self) -> &[Arc<Hitable>] {
[INFO] [stderr] 25 +   pub fn as_slice(&self) -> &[Arc<dyn Hitable>] {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable_list.rs:29:47
[INFO] [stderr]    |
[INFO] [stderr] 29 |   pub fn as_mut_slice(&mut self) -> &mut [Arc<Hitable>] {
[INFO] [stderr]    |                                               ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 -   pub fn as_mut_slice(&mut self) -> &mut [Arc<Hitable>] {
[INFO] [stderr] 29 +   pub fn as_mut_slice(&mut self) -> &mut [Arc<dyn Hitable>] {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lambertian.rs:13:26
[INFO] [stderr]    |
[INFO] [stderr] 13 |   pub fn new(albedo: Arc<Texture>) -> Lambertian {
[INFO] [stderr]    |                          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 -   pub fn new(albedo: Arc<Texture>) -> Lambertian {
[INFO] [stderr] 13 +   pub fn new(albedo: Arc<dyn Texture>) -> Lambertian {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/moving_sphere.rs:25:14
[INFO] [stderr]    |
[INFO] [stderr] 25 |     mtl: Arc<Material>,
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 25 -     mtl: Arc<Material>,
[INFO] [stderr] 25 +     mtl: Arc<dyn Material>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sphere.rs:15:50
[INFO] [stderr]    |
[INFO] [stderr] 15 |   pub fn new(center: Vec3, radius: f32, mtl: Arc<Material>) -> Sphere {
[INFO] [stderr]    |                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 15 -   pub fn new(center: Vec3, radius: f32, mtl: Arc<Material>) -> Sphere {
[INFO] [stderr] 15 +   pub fn new(center: Vec3, radius: f32, mtl: Arc<dyn Material>) -> Sphere {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/xy_rect.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |     mtl: Arc<Material>,
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 24 -     mtl: Arc<Material>,
[INFO] [stderr] 24 +     mtl: Arc<dyn Material>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/xz_rect.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |     mtl: Arc<Material>,
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 24 -     mtl: Arc<Material>,
[INFO] [stderr] 24 +     mtl: Arc<dyn Material>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/yz_rect.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |     mtl: Arc<Material>,
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 24 -     mtl: Arc<Material>,
[INFO] [stderr] 24 +     mtl: Arc<dyn Material>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh_node.rs:94:61
[INFO] [stderr]    |
[INFO] [stderr] 94 |         BvhNode::new(&mut l[0..n / 2], time0, time1) as Arc<Hitable>,
[INFO] [stderr]    |                                                             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 94 -         BvhNode::new(&mut l[0..n / 2], time0, time1) as Arc<Hitable>,
[INFO] [stderr] 94 +         BvhNode::new(&mut l[0..n / 2], time0, time1) as Arc<dyn Hitable>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh_node.rs:95:60
[INFO] [stderr]    |
[INFO] [stderr] 95 |         BvhNode::new(&mut l[n / 2..], time0, time1) as Arc<Hitable>,
[INFO] [stderr]    |                                                            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 95 -         BvhNode::new(&mut l[n / 2..], time0, time1) as Arc<Hitable>,
[INFO] [stderr] 95 +         BvhNode::new(&mut l[n / 2..], time0, time1) as Arc<dyn Hitable>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `rand::Rng::shuffle`: use SliceRandom::shuffle instead
[INFO] [stderr]   --> src/perlin.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 |   rng.shuffle(&mut v);
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:136:24
[INFO] [stderr]     |
[INFO] [stderr] 136 |           let mtl: Arc<Material> = if choose_mat < 0.8f32 {
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 136 -           let mtl: Arc<Material> = if choose_mat < 0.8f32 {
[INFO] [stderr] 136 +           let mtl: Arc<dyn Material> = if choose_mat < 0.8f32 {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]   --> src/moving_sphere.rs:76:26
[INFO] [stderr]    |
[INFO] [stderr] 76 |   fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_t0`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/moving_sphere.rs:76:35
[INFO] [stderr]    |
[INFO] [stderr] 76 |   fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]   --> src/noise_texture.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 |   fn value(&self, u: f32, v: f32, p: Vec3) -> Vec3 {
[INFO] [stderr]    |                   ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/noise_texture.rs:20:27
[INFO] [stderr]    |
[INFO] [stderr] 20 |   fn value(&self, u: f32, v: f32, p: Vec3) -> Vec3 {
[INFO] [stderr]    |                           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]   --> src/xy_rect.rs:61:26
[INFO] [stderr]    |
[INFO] [stderr] 61 |   fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/xy_rect.rs:61:35
[INFO] [stderr]    |
[INFO] [stderr] 61 |   fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: `raytracer` (bin "raytracer" test) generated 47 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/raytracer-b130b23d4de3eca8)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test aabb::tests::test_aabb_merge ... ok
[INFO] [stdout] test vec3::tests::test_vec_index ... ok
[INFO] [stdout] test vec3::tests::test_vec_index_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8815b3b0f27e2fca2df01b8de7854a9d25d8f3c46ddd85b0b6ff508ae7008bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8815b3b0f27e2fca2df01b8de7854a9d25d8f3c46ddd85b0b6ff508ae7008bcb", kill_on_drop: false }`
[INFO] [stdout] 8815b3b0f27e2fca2df01b8de7854a9d25d8f3c46ddd85b0b6ff508ae7008bcb