[INFO] cloning repository https://github.com/BwuNi/ray-tracing-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BwuNi/ray-tracing-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBwuNi%2Fray-tracing-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBwuNi%2Fray-tracing-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad545a77d15b28c8aaab2f6594ea1020dbac9a42
[INFO] testing BwuNi/ray-tracing-rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBwuNi%2Fray-tracing-rust" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BwuNi/ray-tracing-rust 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/BwuNi/ray-tracing-rust
[INFO] finished tweaking git repo https://github.com/BwuNi/ray-tracing-rust
[INFO] tweaked toml for git repo https://github.com/BwuNi/ray-tracing-rust written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/BwuNi/ray-tracing-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] e4c3e5d34818c119e2d51f123120fda89fcce2a4064303eddfc7477a755883b9
[INFO] running `Command { std: "docker" "start" "-a" "e4c3e5d34818c119e2d51f123120fda89fcce2a4064303eddfc7477a755883b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4c3e5d34818c119e2d51f123120fda89fcce2a4064303eddfc7477a755883b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c3e5d34818c119e2d51f123120fda89fcce2a4064303eddfc7477a755883b9", kill_on_drop: false }`
[INFO] [stdout] e4c3e5d34818c119e2d51f123120fda89fcce2a4064303eddfc7477a755883b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] b2f5bd6a9482d40f2ef891b54f2a67ef0dab9bb2b7254045468e1a317ca4a029
[INFO] running `Command { std: "docker" "start" "-a" "b2f5bd6a9482d40f2ef891b54f2a67ef0dab9bb2b7254045468e1a317ca4a029", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling ray-tracing-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::hit::hit_list::HitList`
[INFO] [stdout]   --> src/render/color.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::hit::hit_list::HitList;
[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/hit/hit_list.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub list: Vec<Box<Hitable>>,
[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] 7 -     pub list: Vec<Box<Hitable>>,
[INFO] [stdout] 7 +     pub list: Vec<Box<dyn Hitable>>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/sphere.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub material: Box<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] 10 -     pub material: Box<Material>,
[INFO] [stdout] 10 +     pub material: Box<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/task.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     color: Box<Fn(f64, f64) -> Vec3>,
[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 -     color: Box<Fn(f64, f64) -> Vec3>,
[INFO] [stdout] 14 +     color: Box<dyn Fn(f64, f64) -> Vec3>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/task.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[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 -     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout] 15 +     callback: Box<dyn Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/mod.rs:19:80
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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] 19 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)>;
[INFO] [stdout] 19 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sence/background.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type BackGround = Box<Fn(&Ray) -> Vec3>;
[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] 4 - pub type BackGround = Box<Fn(&Ray) -> Vec3>;
[INFO] [stdout] 4 + pub type BackGround = Box<dyn Fn(&Ray) -> Vec3>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/hit_list.rs:11:80
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)> {
[INFO] [stdout] 11 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/sphere.rs:14:80
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)> {
[INFO] [stdout] 14 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/color.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn gen() -> Box<Fn(f64, f64) -> Vec3> {
[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] 60 - pub fn gen() -> Box<Fn(f64, f64) -> Vec3> {
[INFO] [stdout] 60 + pub fn gen() -> Box<dyn Fn(f64, f64) -> Vec3> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/task.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[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] 57 -     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout] 57 +     callback: Box<dyn Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/hit_list.rs:12:44
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut res:Option<(HitRecord,&Box<Material>)> = None;
[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] 12 -         let mut res:Option<(HitRecord,&Box<Material>)> = None;
[INFO] [stdout] 12 +         let mut res:Option<(HitRecord,&Box<dyn Material>)> = None;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fuzz`
[INFO] [stdout]   --> src/base/ray.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn random_in_unit_sphere(fuzz:f64) -> Vec3 {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_fuzz`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hit::hit_list::HitList`
[INFO] [stdout]   --> src/render/color.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::hit::hit_list::HitList;
[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/hit/hit_list.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub list: Vec<Box<Hitable>>,
[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] 7 -     pub list: Vec<Box<Hitable>>,
[INFO] [stdout] 7 +     pub list: Vec<Box<dyn Hitable>>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/sphere.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub material: Box<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] 10 -     pub material: Box<Material>,
[INFO] [stdout] 10 +     pub material: Box<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/task.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     color: Box<Fn(f64, f64) -> Vec3>,
[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 -     color: Box<Fn(f64, f64) -> Vec3>,
[INFO] [stdout] 14 +     color: Box<dyn Fn(f64, f64) -> Vec3>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/task.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[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 -     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout] 15 +     callback: Box<dyn Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/mod.rs:19:80
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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] 19 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)>;
[INFO] [stdout] 19 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sence/background.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type BackGround = Box<Fn(&Ray) -> Vec3>;
[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] 4 - pub type BackGround = Box<Fn(&Ray) -> Vec3>;
[INFO] [stdout] 4 + pub type BackGround = Box<dyn Fn(&Ray) -> Vec3>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/hit_list.rs:11:80
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)> {
[INFO] [stdout] 11 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/sphere.rs:14:80
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)> {
[INFO] [stdout] 14 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/color.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn gen() -> Box<Fn(f64, f64) -> Vec3> {
[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] 60 - pub fn gen() -> Box<Fn(f64, f64) -> Vec3> {
[INFO] [stdout] 60 + pub fn gen() -> Box<dyn Fn(f64, f64) -> Vec3> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/task.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[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] 57 -     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout] 57 +     callback: Box<dyn Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/hit_list.rs:12:44
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut res:Option<(HitRecord,&Box<Material>)> = None;
[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] 12 -         let mut res:Option<(HitRecord,&Box<Material>)> = None;
[INFO] [stdout] 12 +         let mut res:Option<(HitRecord,&Box<dyn Material>)> = None;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fuzz`
[INFO] [stdout]   --> src/base/ray.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn random_in_unit_sphere(fuzz:f64) -> Vec3 {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_fuzz`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "b2f5bd6a9482d40f2ef891b54f2a67ef0dab9bb2b7254045468e1a317ca4a029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f5bd6a9482d40f2ef891b54f2a67ef0dab9bb2b7254045468e1a317ca4a029", kill_on_drop: false }`
[INFO] [stdout] b2f5bd6a9482d40f2ef891b54f2a67ef0dab9bb2b7254045468e1a317ca4a029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 95662a7db4e5ea7f1ff84bc83385da03082a68141917d04e46e16e33703b0d59
[INFO] running `Command { std: "docker" "start" "-a" "95662a7db4e5ea7f1ff84bc83385da03082a68141917d04e46e16e33703b0d59", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::hit::hit_list::HitList`
[INFO] [stdout]   --> src/render/color.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::hit::hit_list::HitList;
[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/hit/hit_list.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub list: Vec<Box<Hitable>>,
[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] 7 -     pub list: Vec<Box<Hitable>>,
[INFO] [stdout] 7 +     pub list: Vec<Box<dyn Hitable>>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/sphere.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub material: Box<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] 10 -     pub material: Box<Material>,
[INFO] [stdout] 10 +     pub material: Box<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/task.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     color: Box<Fn(f64, f64) -> Vec3>,
[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 -     color: Box<Fn(f64, f64) -> Vec3>,
[INFO] [stdout] 14 +     color: Box<dyn Fn(f64, f64) -> Vec3>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/task.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[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 -     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout] 15 +     callback: Box<dyn Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/mod.rs:19:80
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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] 19 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)>;
[INFO] [stdout] 19 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sence/background.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type BackGround = Box<Fn(&Ray) -> Vec3>;
[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] 4 - pub type BackGround = Box<Fn(&Ray) -> Vec3>;
[INFO] [stdout] 4 + pub type BackGround = Box<dyn Fn(&Ray) -> Vec3>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/hit_list.rs:11:80
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)> {
[INFO] [stdout] 11 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/sphere.rs:14:80
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)> {
[INFO] [stdout] 14 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/color.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn gen() -> Box<Fn(f64, f64) -> Vec3> {
[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] 60 - pub fn gen() -> Box<Fn(f64, f64) -> Vec3> {
[INFO] [stdout] 60 + pub fn gen() -> Box<dyn Fn(f64, f64) -> Vec3> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/task.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[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] 57 -     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout] 57 +     callback: Box<dyn Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/hit_list.rs:12:44
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut res:Option<(HitRecord,&Box<Material>)> = None;
[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] 12 -         let mut res:Option<(HitRecord,&Box<Material>)> = None;
[INFO] [stdout] 12 +         let mut res:Option<(HitRecord,&Box<dyn Material>)> = None;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ray-tracing-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `fuzz`
[INFO] [stdout]   --> src/base/ray.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn random_in_unit_sphere(fuzz:f64) -> Vec3 {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_fuzz`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hit::hit_list::HitList`
[INFO] [stdout]   --> src/render/color.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::hit::hit_list::HitList;
[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/hit/hit_list.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub list: Vec<Box<Hitable>>,
[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] 7 -     pub list: Vec<Box<Hitable>>,
[INFO] [stdout] 7 +     pub list: Vec<Box<dyn Hitable>>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/sphere.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub material: Box<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] 10 -     pub material: Box<Material>,
[INFO] [stdout] 10 +     pub material: Box<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/task.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     color: Box<Fn(f64, f64) -> Vec3>,
[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 -     color: Box<Fn(f64, f64) -> Vec3>,
[INFO] [stdout] 14 +     color: Box<dyn Fn(f64, f64) -> Vec3>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/task.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[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 -     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout] 15 +     callback: Box<dyn Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/mod.rs:19:80
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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] 19 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)>;
[INFO] [stdout] 19 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sence/background.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type BackGround = Box<Fn(&Ray) -> Vec3>;
[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] 4 - pub type BackGround = Box<Fn(&Ray) -> Vec3>;
[INFO] [stdout] 4 + pub type BackGround = Box<dyn Fn(&Ray) -> Vec3>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/hit_list.rs:11:80
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)> {
[INFO] [stdout] 11 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/sphere.rs:14:80
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)> {
[INFO] [stdout] 14 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/color.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn gen() -> Box<Fn(f64, f64) -> Vec3> {
[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] 60 - pub fn gen() -> Box<Fn(f64, f64) -> Vec3> {
[INFO] [stdout] 60 + pub fn gen() -> Box<dyn Fn(f64, f64) -> Vec3> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/task.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[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] 57 -     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout] 57 +     callback: Box<dyn Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/hit_list.rs:12:44
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut res:Option<(HitRecord,&Box<Material>)> = None;
[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] 12 -         let mut res:Option<(HitRecord,&Box<Material>)> = None;
[INFO] [stdout] 12 +         let mut res:Option<(HitRecord,&Box<dyn Material>)> = None;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fuzz`
[INFO] [stdout]   --> src/base/ray.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn random_in_unit_sphere(fuzz:f64) -> Vec3 {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_fuzz`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hit::hit_list::HitList`
[INFO] [stdout]   --> src/render/color.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::hit::hit_list::HitList;
[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/hit/hit_list.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub list: Vec<Box<Hitable>>,
[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] 7 -     pub list: Vec<Box<Hitable>>,
[INFO] [stdout] 7 +     pub list: Vec<Box<dyn Hitable>>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/sphere.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub material: Box<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] 10 -     pub material: Box<Material>,
[INFO] [stdout] 10 +     pub material: Box<dyn Material>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/task.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     color: Box<Fn(f64, f64) -> Vec3>,
[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 -     color: Box<Fn(f64, f64) -> Vec3>,
[INFO] [stdout] 14 +     color: Box<dyn Fn(f64, f64) -> Vec3>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/task.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[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 -     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout] 15 +     callback: Box<dyn Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/mod.rs:19:80
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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] 19 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)>;
[INFO] [stdout] 19 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sence/background.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type BackGround = Box<Fn(&Ray) -> Vec3>;
[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] 4 - pub type BackGround = Box<Fn(&Ray) -> Vec3>;
[INFO] [stdout] 4 + pub type BackGround = Box<dyn Fn(&Ray) -> Vec3>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/hit_list.rs:11:80
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)> {
[INFO] [stdout] 11 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/sphere.rs:14:80
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)> {
[INFO] [stdout] 14 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/color.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn gen() -> Box<Fn(f64, f64) -> Vec3> {
[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] 60 - pub fn gen() -> Box<Fn(f64, f64) -> Vec3> {
[INFO] [stdout] 60 + pub fn gen() -> Box<dyn Fn(f64, f64) -> Vec3> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/task.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[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] 57 -     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout] 57 +     callback: Box<dyn Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hit/hit_list.rs:12:44
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut res:Option<(HitRecord,&Box<Material>)> = None;
[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] 12 -         let mut res:Option<(HitRecord,&Box<Material>)> = None;
[INFO] [stdout] 12 +         let mut res:Option<(HitRecord,&Box<dyn Material>)> = None;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fuzz`
[INFO] [stdout]   --> src/base/ray.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn random_in_unit_sphere(fuzz:f64) -> Vec3 {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_fuzz`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "95662a7db4e5ea7f1ff84bc83385da03082a68141917d04e46e16e33703b0d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95662a7db4e5ea7f1ff84bc83385da03082a68141917d04e46e16e33703b0d59", kill_on_drop: false }`
[INFO] [stdout] 95662a7db4e5ea7f1ff84bc83385da03082a68141917d04e46e16e33703b0d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 1ad09a1718927ed7c866ceca5e287e7e30357bdd9186835fcb0ea0d30c5ebce5
[INFO] running `Command { std: "docker" "start" "-a" "1ad09a1718927ed7c866ceca5e287e7e30357bdd9186835fcb0ea0d30c5ebce5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::hit::hit_list::HitList`
[INFO] [stderr]   --> src/render/color.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use crate::hit::hit_list::HitList;
[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/hit/hit_list.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub list: Vec<Box<Hitable>>,
[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] 7 -     pub list: Vec<Box<Hitable>>,
[INFO] [stderr] 7 +     pub list: Vec<Box<dyn Hitable>>,
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hit/sphere.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub material: Box<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] 10 -     pub material: Box<Material>,
[INFO] [stderr] 10 +     pub material: Box<dyn Material>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/render/task.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |     color: Box<Fn(f64, f64) -> Vec3>,
[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 -     color: Box<Fn(f64, f64) -> Vec3>,
[INFO] [stderr] 14 +     color: Box<dyn Fn(f64, f64) -> Vec3>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/render/task.rs:15:19
[INFO] [stderr]    |
[INFO] [stderr] 15 |     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[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 -     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stderr] 15 +     callback: Box<dyn Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hit/mod.rs:19:80
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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] 19 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)>;
[INFO] [stderr] 19 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/sence/background.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type BackGround = Box<Fn(&Ray) -> Vec3>;
[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] 4 - pub type BackGround = Box<Fn(&Ray) -> Vec3>;
[INFO] [stderr] 4 + pub type BackGround = Box<dyn Fn(&Ray) -> Vec3>;
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hit/hit_list.rs:11:80
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)> {
[INFO] [stderr] 11 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hit/sphere.rs:14:80
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<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 -     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<Material>)> {
[INFO] [stderr] 14 +     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<(HitRecord,&Box<dyn Material>)> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/render/color.rs:60:21
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub fn gen() -> Box<Fn(f64, f64) -> Vec3> {
[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] 60 - pub fn gen() -> Box<Fn(f64, f64) -> Vec3> {
[INFO] [stderr] 60 + pub fn gen() -> Box<dyn Fn(f64, f64) -> Vec3> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/render/task.rs:57:19
[INFO] [stderr]    |
[INFO] [stderr] 57 |     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[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] 57 -     callback: Box<Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stderr] 57 +     callback: Box<dyn Fn(Vec<(i32, i32, Vec3)>) -> bool>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hit/hit_list.rs:12:44
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut res:Option<(HitRecord,&Box<Material>)> = None;
[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] 12 -         let mut res:Option<(HitRecord,&Box<Material>)> = None;
[INFO] [stderr] 12 +         let mut res:Option<(HitRecord,&Box<dyn Material>)> = None;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fuzz`
[INFO] [stderr]   --> src/base/ray.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn random_in_unit_sphere(fuzz:f64) -> Vec3 {
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_fuzz`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ray-tracing-rust` (lib) generated 13 warnings
[INFO] [stderr] warning: `ray-tracing-rust` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr] warning: `ray-tracing-rust` (bin "ray-tracing-rust" test) generated 13 warnings (13 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ffi-787d1d47464b49b6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ray_tracing_rust-a7a0e5f98eebd442)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ad09a1718927ed7c866ceca5e287e7e30357bdd9186835fcb0ea0d30c5ebce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad09a1718927ed7c866ceca5e287e7e30357bdd9186835fcb0ea0d30c5ebce5", kill_on_drop: false }`
[INFO] [stdout] 1ad09a1718927ed7c866ceca5e287e7e30357bdd9186835fcb0ea0d30c5ebce5