[INFO] cloning repository https://github.com/perliedman/raytracing-in-one-weekend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/perliedman/raytracing-in-one-weekend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperliedman%2Fraytracing-in-one-weekend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperliedman%2Fraytracing-in-one-weekend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa641d43e1540b05d2cfb500f8c4a0a64ec9f9f9
[INFO] testing perliedman/raytracing-in-one-weekend against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperliedman%2Fraytracing-in-one-weekend" "/workspace/builds/worker-117/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/perliedman/raytracing-in-one-weekend 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/perliedman/raytracing-in-one-weekend
[INFO] finished tweaking git repo https://github.com/perliedman/raytracing-in-one-weekend
[INFO] tweaked toml for git repo https://github.com/perliedman/raytracing-in-one-weekend written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] crate git repo https://github.com/perliedman/raytracing-in-one-weekend 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tobj v0.1.6
[INFO] [stderr]   Downloaded indicatif v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 5038cf56f0d7ddb8b2cbbdef19de2cf1c7a3efe4a34800316dc8d9885270ecf4
[INFO] running `Command { std: "docker" "start" "-a" "5038cf56f0d7ddb8b2cbbdef19de2cf1c7a3efe4a34800316dc8d9885270ecf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5038cf56f0d7ddb8b2cbbdef19de2cf1c7a3efe4a34800316dc8d9885270ecf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5038cf56f0d7ddb8b2cbbdef19de2cf1c7a3efe4a34800316dc8d9885270ecf4", kill_on_drop: false }`
[INFO] [stdout] 5038cf56f0d7ddb8b2cbbdef19de2cf1c7a3efe4a34800316dc8d9885270ecf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 076853ffd4422bd401e07cec167712ec81dad34d5ebf0ac21b4fbad4f985e763
[INFO] running `Command { std: "docker" "start" "-a" "076853ffd4422bd401e07cec167712ec81dad34d5ebf0ac21b4fbad4f985e763", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling lazy_static v1.0.0
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[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
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[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling tobj v0.1.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling clicolors-control v0.2.0
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling console v0.6.1
[INFO] [stderr]    Compiling indicatif v0.9.0
[INFO] [stderr]    Compiling rt-in-1-week v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/geometry/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unit_vector`
[INFO] [stdout]   --> src/main.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 | use vec3::{Vec3, unit_vector};
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray::Ray`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use ray::Ray;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:77:82
[INFO] [stdout]    |
[INFO] [stdout] 77 |   let ns = matches.value_of("samples").unwrap_or("25").parse::<usize>().unwrap();;
[INFO] [stdout]    |                                                                                  ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:78:97
[INFO] [stdout]    |
[INFO] [stdout] 78 |   let max_ray_depth = matches.value_of("max_ray_depth").unwrap_or("10").parse::<i32>().unwrap();;
[INFO] [stdout]    |                                                                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn random_scene() -> 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 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 165 - fn random_scene() -> Vec<Box<Hitable>> {
[INFO] [stdout] 165 + fn random_scene() -> Vec<Box<dyn Hitable>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:214:29
[INFO] [stdout]     |
[INFO] [stdout] 214 | fn cornell_box() -> Vec<Box<Hitable>> {
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 214 - fn cornell_box() -> Vec<Box<Hitable>> {
[INFO] [stdout] 214 + fn cornell_box() -> Vec<Box<dyn Hitable>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/geometry/triangle.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |   material: Arc<Material>
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 -   material: Arc<Material>
[INFO] [stdout] 14 +   material: Arc<dyn Material>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/geometry/mod.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |   pub material: Arc<Material>
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 -   pub material: Arc<Material>
[INFO] [stdout] 77 +   pub material: Arc<dyn Material>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |   pub material: Arc<Material>
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 138 -   pub material: Arc<Material>
[INFO] [stdout] 138 +   pub material: Arc<dyn Material>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:178:21
[INFO] [stdout]     |
[INFO] [stdout] 178 |   pub material: Arc<Material>
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 178 -   pub material: Arc<Material>
[INFO] [stdout] 178 +   pub material: Arc<dyn Material>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:218:21
[INFO] [stdout]     |
[INFO] [stdout] 218 |   pub material: Arc<Material>
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 218 -   pub material: Arc<Material>
[INFO] [stdout] 218 +   pub material: Arc<dyn Material>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:253:20
[INFO] [stdout]     |
[INFO] [stdout] 253 |   pub hitable: Box<Hitable>
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 253 -   pub hitable: Box<Hitable>
[INFO] [stdout] 253 +   pub hitable: Box<dyn Hitable>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:284:20
[INFO] [stdout]     |
[INFO] [stdout] 284 |   pub hitable: Box<Hitable>,
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 284 -   pub hitable: Box<Hitable>,
[INFO] [stdout] 284 +   pub hitable: Box<dyn Hitable>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:350:17
[INFO] [stdout]     |
[INFO] [stdout] 350 |   boundary: Box<Hitable>,
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 350 -   boundary: Box<Hitable>,
[INFO] [stdout] 350 +   boundary: Box<dyn Hitable>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/material.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |   pub odd: Box<Texture>,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -   pub odd: Box<Texture>,
[INFO] [stdout] 49 +   pub odd: Box<dyn Texture>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/material.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |   pub even: Box<Texture>
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 -   pub even: Box<Texture>
[INFO] [stdout] 50 +   pub even: Box<dyn Texture>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/material.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |   pub albedo: Box<Texture>
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 -   pub albedo: Box<Texture>
[INFO] [stdout] 69 +   pub albedo: Box<dyn Texture>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/material.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |   pub emit: Box<Texture>
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 -   pub emit: Box<Texture>
[INFO] [stdout] 136 +   pub emit: Box<dyn Texture>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/material.rs:150:19
[INFO] [stdout]     |
[INFO] [stdout] 150 |   pub albedo: Box<Texture>
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 150 -   pub albedo: Box<Texture>
[INFO] [stdout] 150 +   pub albedo: Box<dyn Texture>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |   pub environment: Box<SceneEnvironment>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 -   pub environment: Box<SceneEnvironment>,
[INFO] [stdout] 30 +   pub environment: Box<dyn SceneEnvironment>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |   hitable: Option<&'a Box<Hitable>>
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -   hitable: Option<&'a Box<Hitable>>
[INFO] [stdout] 22 +   hitable: Option<&'a Box<dyn Hitable>>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/material.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub material: &'a Material,
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -   pub material: &'a Material,
[INFO] [stdout] 11 +   pub material: &'a dyn Material,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/geometry/mod.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl fmt::Debug for Hitable {
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 - impl fmt::Debug for Hitable {
[INFO] [stdout] 26 + impl fmt::Debug for dyn Hitable {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/geometry/mod.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Hitable for Vec<Box<Hitable>> {
[INFO] [stdout]    |                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 - impl Hitable for Vec<Box<Hitable>> {
[INFO] [stdout] 32 + impl Hitable for Vec<Box<dyn Hitable>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:272:72
[INFO] [stdout]     |
[INFO] [stdout] 272 | pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stdout]     |                                                                        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 272 - pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stdout] 272 + pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<dyn Hitable>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:272:50
[INFO] [stdout]     |
[INFO] [stdout] 272 | pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stdout]     |                                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 272 - pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stdout] 272 + pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<dyn Material>) -> Vec<Box<Hitable>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:410:47
[INFO] [stdout]     |
[INFO] [stdout] 410 | pub fn obj_to_hitable(path: &Path) -> Vec<Box<Hitable>> {
[INFO] [stdout]     |                                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 410 - pub fn obj_to_hitable(path: &Path) -> Vec<Box<Hitable>> {
[INFO] [stdout] 410 + pub fn obj_to_hitable(path: &Path) -> Vec<Box<dyn Hitable>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:290:27
[INFO] [stdout]     |
[INFO] [stdout] 290 |   pub fn new(hitable: Box<Hitable>, transform: Mat44) -> Transform {
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 290 -   pub fn new(hitable: Box<Hitable>, transform: Mat44) -> Transform {
[INFO] [stdout] 290 +   pub fn new(hitable: Box<dyn Hitable>, transform: Mat44) -> Transform {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:356:28
[INFO] [stdout]     |
[INFO] [stdout] 356 |   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 356 -   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stdout] 356 +   pub fn new(boundary: Box<dyn Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:356:59
[INFO] [stdout]     |
[INFO] [stdout] 356 |   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stdout]     |                                                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 356 -   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stdout] 356 +   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<dyn Texture>) -> ConstantMedium {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bvh.rs:166:26
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn box_x_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 - fn box_x_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout] 166 + fn box_x_compare(a: &Box<dyn Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bvh.rs:166:44
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn box_x_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     |                                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 - fn box_x_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout] 166 + fn box_x_compare(a: &Box<Hitable>, b: &Box<dyn Hitable>) -> Ordering {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bvh.rs:180:26
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn box_y_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 180 - fn box_y_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout] 180 + fn box_y_compare(a: &Box<dyn Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bvh.rs:180:44
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn box_y_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     |                                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 180 - fn box_y_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout] 180 + fn box_y_compare(a: &Box<Hitable>, b: &Box<dyn Hitable>) -> Ordering {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bvh.rs:194:26
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn box_z_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 194 - fn box_z_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout] 194 + fn box_z_compare(a: &Box<dyn Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bvh.rs:194:44
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn box_z_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     |                                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 194 - fn box_z_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout] 194 + fn box_z_compare(a: &Box<Hitable>, b: &Box<dyn Hitable>) -> Ordering {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh.rs:82:30
[INFO] [stdout]    |
[INFO] [stdout] 82 |   pub fn new(l: &'a mut [Box<Hitable>]) -> BvhTree<'a> {
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 82 -   pub fn new(l: &'a mut [Box<Hitable>]) -> BvhTree<'a> {
[INFO] [stdout] 82 +   pub fn new(l: &'a mut [Box<dyn Hitable>]) -> BvhTree<'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh.rs:89:39
[INFO] [stdout]    |
[INFO] [stdout] 89 |   fn build(&mut self, l: &'a mut [Box<Hitable>]) -> NodeId {
[INFO] [stdout]    |                                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 89 -   fn build(&mut self, l: &'a mut [Box<Hitable>]) -> NodeId {
[INFO] [stdout] 89 +   fn build(&mut self, l: &'a mut [Box<dyn Hitable>]) -> NodeId {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bvh.rs:124:43
[INFO] [stdout]     |
[INFO] [stdout] 124 |   fn new_leaf(&mut self, hitable: &'a Box<Hitable>) -> NodeId {
[INFO] [stdout]     |                                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 -   fn new_leaf(&mut self, hitable: &'a Box<Hitable>) -> NodeId {
[INFO] [stdout] 124 +   fn new_leaf(&mut self, hitable: &'a Box<dyn Hitable>) -> NodeId {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |   pub fn new(models: &'a mut Vec<Box<Hitable>>, environment: Box<SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stdout]    |                                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 -   pub fn new(models: &'a mut Vec<Box<Hitable>>, environment: Box<SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stdout] 35 +   pub fn new(models: &'a mut Vec<Box<dyn Hitable>>, environment: Box<SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:35:66
[INFO] [stdout]    |
[INFO] [stdout] 35 |   pub fn new(models: &'a mut Vec<Box<Hitable>>, environment: Box<SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 -   pub fn new(models: &'a mut Vec<Box<Hitable>>, environment: Box<SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stdout] 35 +   pub fn new(models: &'a mut Vec<Box<Hitable>>, environment: Box<dyn SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/geometry/triangle.rs:18:58
[INFO] [stdout]    |
[INFO] [stdout] 18 |   pub fn new(v0: Vec3, v1: Vec3, v2: Vec3, material: Arc<Material>) -> Triangle {
[INFO] [stdout]    |                                                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 -   pub fn new(v0: Vec3, v1: Vec3, v2: Vec3, material: Arc<Material>) -> Triangle {
[INFO] [stdout] 18 +   pub fn new(v0: Vec3, v1: Vec3, v2: Vec3, material: Arc<dyn Material>) -> Triangle {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/geometry/triangle.rs:22:84
[INFO] [stdout]    |
[INFO] [stdout] 22 |   pub fn new_with_normal(v0: Vec3, v1: Vec3, v2: Vec3, normal: Vec3, material: Arc<Material>) -> Triangle {
[INFO] [stdout]    |                                                                                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -   pub fn new_with_normal(v0: Vec3, v1: Vec3, v2: Vec3, normal: Vec3, material: Arc<Material>) -> Triangle {
[INFO] [stdout] 22 +   pub fn new_with_normal(v0: Vec3, v1: Vec3, v2: Vec3, normal: Vec3, material: Arc<dyn Material>) -> Triangle {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:413:26
[INFO] [stdout]     |
[INFO] [stdout] 413 |   let mut world: Vec<Box<Hitable>> = Vec::new();
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 413 -   let mut world: Vec<Box<Hitable>> = Vec::new();
[INFO] [stdout] 413 +   let mut world: Vec<Box<dyn Hitable>> = Vec::new();
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:415:24
[INFO] [stdout]     |
[INFO] [stdout] 415 |   let default_mat: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.6, 0.6, 0.6)) });
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 415 -   let default_mat: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.6, 0.6, 0.6)) });
[INFO] [stdout] 415 +   let default_mat: Arc<dyn Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.6, 0.6, 0.6)) });
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:416:26
[INFO] [stdout]     |
[INFO] [stdout] 416 |   let materials: Vec<Arc<Material>> = mtls.iter().map(|m| {
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 416 -   let materials: Vec<Arc<Material>> = mtls.iter().map(|m| {
[INFO] [stdout] 416 +   let materials: Vec<Arc<dyn Material>> = mtls.iter().map(|m| {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:436:20
[INFO] [stdout]     |
[INFO] [stdout] 436 |       let mat: Arc<Material> = match mesh.material_id {
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 436 -       let mat: Arc<Material> = match mesh.material_id {
[INFO] [stdout] 436 +       let mat: Arc<dyn Material> = match mesh.material_id {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:417:18
[INFO] [stdout]     |
[INFO] [stdout] 417 |     let mat: Arc<Material> = match m.illumination_model {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 417 -     let mat: Arc<Material> = match m.illumination_model {
[INFO] [stdout] 417 +     let mat: Arc<dyn Material> = match m.illumination_model {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:170:27
[INFO] [stdout]     |
[INFO] [stdout] 170 |   let mut models: Vec<Box<Hitable>> = vec![
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 170 -   let mut models: Vec<Box<Hitable>> = vec![
[INFO] [stdout] 170 +   let mut models: Vec<Box<dyn Hitable>> = vec![
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:183:27
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let material: Arc<Material>;
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 183 -         let material: Arc<Material>;
[INFO] [stdout] 183 +         let material: 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:210:22
[INFO] [stdout]     |
[INFO] [stdout] 210 |   let world: Vec<Box<Hitable>> = models.into_iter().map(|s| s as Box<Hitable>).collect();
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 210 -   let world: Vec<Box<Hitable>> = models.into_iter().map(|s| s as Box<Hitable>).collect();
[INFO] [stdout] 210 +   let world: Vec<Box<dyn Hitable>> = models.into_iter().map(|s| s as Box<Hitable>).collect();
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:210:70
[INFO] [stdout]     |
[INFO] [stdout] 210 |   let world: Vec<Box<Hitable>> = models.into_iter().map(|s| s as Box<Hitable>).collect();
[INFO] [stdout]     |                                                                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 210 -   let world: Vec<Box<Hitable>> = models.into_iter().map(|s| s as Box<Hitable>).collect();
[INFO] [stdout] 210 +   let world: Vec<Box<Hitable>> = models.into_iter().map(|s| s as Box<dyn Hitable>).collect();
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:216:18
[INFO] [stdout]     |
[INFO] [stdout] 216 |   let white: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.73, 0.73, 0.73)) });
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 216 -   let white: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.73, 0.73, 0.73)) });
[INFO] [stdout] 216 +   let white: Arc<dyn Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.73, 0.73, 0.73)) });
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:217:18
[INFO] [stdout]     |
[INFO] [stdout] 217 |   let green: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.12, 0.45, 0.15)) });
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 217 -   let green: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.12, 0.45, 0.15)) });
[INFO] [stdout] 217 +   let green: Arc<dyn Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.12, 0.45, 0.15)) });
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:219:23
[INFO] [stdout]     |
[INFO] [stdout] 219 |   let dielectric: Arc<Material> = Arc::new(Dielectric { ref_idx: 1.8 });
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 219 -   let dielectric: Arc<Material> = Arc::new(Dielectric { ref_idx: 1.8 });
[INFO] [stdout] 219 +   let dielectric: Arc<dyn Material> = Arc::new(Dielectric { ref_idx: 1.8 });
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:220:27
[INFO] [stdout]     |
[INFO] [stdout] 220 |   let subsurface: Vec<Box<Hitable>> = vec![
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 220 -   let subsurface: Vec<Box<Hitable>> = vec![
[INFO] [stdout] 220 +   let subsurface: Vec<Box<dyn Hitable>> = vec![
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]    --> src/material.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |   fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<Scatter> {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_cornell`
[INFO] [stdout]    --> src/main.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn render_cornell(nx: usize, ny: usize, ns: usize, max_ray_depth: i32) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cornell_box`
[INFO] [stdout]    --> src/main.rs:214:4
[INFO] [stdout]     |
[INFO] [stdout] 214 | fn cornell_box() -> Vec<Box<Hitable>> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `identity`
[INFO] [stdout]  --> src/mat44.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |   pub fn identity() -> Mat44 {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `translate`
[INFO] [stdout]   --> src/mat44.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |   pub fn translate(displacement: Vec3) -> Mat44 {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate`
[INFO] [stdout]   --> src/mat44.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |   pub fn rotate(angle: f32, axis: Vec3) -> Mat44 {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inverse`
[INFO] [stdout]   --> src/mat44.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 |   pub fn inverse(&self) -> Mat44 {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_box`
[INFO] [stdout]    --> src/geometry/mod.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 272 | pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/geometry/mod.rs:290:10
[INFO] [stdout]     |
[INFO] [stdout] 290 |   pub fn new(hitable: Box<Hitable>, transform: Mat44) -> Transform {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/geometry/mod.rs:356:10
[INFO] [stdout]     |
[INFO] [stdout] 356 |   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/camera.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   w: Vec3
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Camera` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/camera.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 68 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.06s
[INFO] running `Command { std: "docker" "inspect" "076853ffd4422bd401e07cec167712ec81dad34d5ebf0ac21b4fbad4f985e763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "076853ffd4422bd401e07cec167712ec81dad34d5ebf0ac21b4fbad4f985e763", kill_on_drop: false }`
[INFO] [stdout] 076853ffd4422bd401e07cec167712ec81dad34d5ebf0ac21b4fbad4f985e763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 96edc81d2cc54cefd3841d35afdb20345918f870ce862d0a1075552b2f16f220
[INFO] running `Command { std: "docker" "start" "-a" "96edc81d2cc54cefd3841d35afdb20345918f870ce862d0a1075552b2f16f220", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rt-in-1-week v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute must be of the form `#[test]`
[INFO] [stdout]    --> src/vec3.rs:196:3
[INFO] [stdout]     |
[INFO] [stdout] 196 |   #[test()]
[INFO] [stdout]     |   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ill_formed_attribute_input)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute must be of the form `#[test]`
[INFO] [stdout]    --> src/vec3.rs:207:3
[INFO] [stdout]     |
[INFO] [stdout] 207 |   #[test()]
[INFO] [stdout]     |   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute must be of the form `#[test]`
[INFO] [stdout]    --> src/mat44.rs:126:3
[INFO] [stdout]     |
[INFO] [stdout] 126 |   #[test()]
[INFO] [stdout]     |   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/geometry/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unit_vector`
[INFO] [stdout]   --> src/main.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 | use vec3::{Vec3, unit_vector};
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray::Ray`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use ray::Ray;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:77:82
[INFO] [stdout]    |
[INFO] [stdout] 77 |   let ns = matches.value_of("samples").unwrap_or("25").parse::<usize>().unwrap();;
[INFO] [stdout]    |                                                                                  ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:78:97
[INFO] [stdout]    |
[INFO] [stdout] 78 |   let max_ray_depth = matches.value_of("max_ray_depth").unwrap_or("10").parse::<i32>().unwrap();;
[INFO] [stdout]    |                                                                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn random_scene() -> 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 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 165 - fn random_scene() -> Vec<Box<Hitable>> {
[INFO] [stdout] 165 + fn random_scene() -> Vec<Box<dyn Hitable>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:214:29
[INFO] [stdout]     |
[INFO] [stdout] 214 | fn cornell_box() -> Vec<Box<Hitable>> {
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 214 - fn cornell_box() -> Vec<Box<Hitable>> {
[INFO] [stdout] 214 + fn cornell_box() -> Vec<Box<dyn Hitable>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/geometry/triangle.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |   material: Arc<Material>
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 -   material: Arc<Material>
[INFO] [stdout] 14 +   material: Arc<dyn Material>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/geometry/mod.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |   pub material: Arc<Material>
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 -   pub material: Arc<Material>
[INFO] [stdout] 77 +   pub material: Arc<dyn Material>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |   pub material: Arc<Material>
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 138 -   pub material: Arc<Material>
[INFO] [stdout] 138 +   pub material: Arc<dyn Material>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:178:21
[INFO] [stdout]     |
[INFO] [stdout] 178 |   pub material: Arc<Material>
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 178 -   pub material: Arc<Material>
[INFO] [stdout] 178 +   pub material: Arc<dyn Material>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:218:21
[INFO] [stdout]     |
[INFO] [stdout] 218 |   pub material: Arc<Material>
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 218 -   pub material: Arc<Material>
[INFO] [stdout] 218 +   pub material: Arc<dyn Material>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:253:20
[INFO] [stdout]     |
[INFO] [stdout] 253 |   pub hitable: Box<Hitable>
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 253 -   pub hitable: Box<Hitable>
[INFO] [stdout] 253 +   pub hitable: Box<dyn Hitable>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:284:20
[INFO] [stdout]     |
[INFO] [stdout] 284 |   pub hitable: Box<Hitable>,
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 284 -   pub hitable: Box<Hitable>,
[INFO] [stdout] 284 +   pub hitable: Box<dyn Hitable>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:350:17
[INFO] [stdout]     |
[INFO] [stdout] 350 |   boundary: Box<Hitable>,
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 350 -   boundary: Box<Hitable>,
[INFO] [stdout] 350 +   boundary: Box<dyn Hitable>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/material.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |   pub odd: Box<Texture>,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -   pub odd: Box<Texture>,
[INFO] [stdout] 49 +   pub odd: Box<dyn Texture>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/material.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |   pub even: Box<Texture>
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 -   pub even: Box<Texture>
[INFO] [stdout] 50 +   pub even: Box<dyn Texture>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/material.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |   pub albedo: Box<Texture>
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 -   pub albedo: Box<Texture>
[INFO] [stdout] 69 +   pub albedo: Box<dyn Texture>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/material.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |   pub emit: Box<Texture>
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 -   pub emit: Box<Texture>
[INFO] [stdout] 136 +   pub emit: Box<dyn Texture>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/material.rs:150:19
[INFO] [stdout]     |
[INFO] [stdout] 150 |   pub albedo: Box<Texture>
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 150 -   pub albedo: Box<Texture>
[INFO] [stdout] 150 +   pub albedo: Box<dyn Texture>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |   pub environment: Box<SceneEnvironment>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 -   pub environment: Box<SceneEnvironment>,
[INFO] [stdout] 30 +   pub environment: Box<dyn SceneEnvironment>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |   hitable: Option<&'a Box<Hitable>>
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -   hitable: Option<&'a Box<Hitable>>
[INFO] [stdout] 22 +   hitable: Option<&'a Box<dyn Hitable>>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/material.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub material: &'a Material,
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -   pub material: &'a Material,
[INFO] [stdout] 11 +   pub material: &'a dyn Material,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/geometry/mod.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl fmt::Debug for Hitable {
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 - impl fmt::Debug for Hitable {
[INFO] [stdout] 26 + impl fmt::Debug for dyn Hitable {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/geometry/mod.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Hitable for Vec<Box<Hitable>> {
[INFO] [stdout]    |                          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 - impl Hitable for Vec<Box<Hitable>> {
[INFO] [stdout] 32 + impl Hitable for Vec<Box<dyn Hitable>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:272:72
[INFO] [stdout]     |
[INFO] [stdout] 272 | pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stdout]     |                                                                        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 272 - pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stdout] 272 + pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<dyn Hitable>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:272:50
[INFO] [stdout]     |
[INFO] [stdout] 272 | pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stdout]     |                                                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 272 - pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stdout] 272 + pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<dyn Material>) -> Vec<Box<Hitable>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:410:47
[INFO] [stdout]     |
[INFO] [stdout] 410 | pub fn obj_to_hitable(path: &Path) -> Vec<Box<Hitable>> {
[INFO] [stdout]     |                                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 410 - pub fn obj_to_hitable(path: &Path) -> Vec<Box<Hitable>> {
[INFO] [stdout] 410 + pub fn obj_to_hitable(path: &Path) -> Vec<Box<dyn Hitable>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:290:27
[INFO] [stdout]     |
[INFO] [stdout] 290 |   pub fn new(hitable: Box<Hitable>, transform: Mat44) -> Transform {
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 290 -   pub fn new(hitable: Box<Hitable>, transform: Mat44) -> Transform {
[INFO] [stdout] 290 +   pub fn new(hitable: Box<dyn Hitable>, transform: Mat44) -> Transform {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:356:28
[INFO] [stdout]     |
[INFO] [stdout] 356 |   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 356 -   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stdout] 356 +   pub fn new(boundary: Box<dyn Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:356:59
[INFO] [stdout]     |
[INFO] [stdout] 356 |   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stdout]     |                                                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 356 -   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stdout] 356 +   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<dyn Texture>) -> ConstantMedium {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bvh.rs:166:26
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn box_x_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 - fn box_x_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout] 166 + fn box_x_compare(a: &Box<dyn Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bvh.rs:166:44
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn box_x_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     |                                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 - fn box_x_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout] 166 + fn box_x_compare(a: &Box<Hitable>, b: &Box<dyn Hitable>) -> Ordering {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bvh.rs:180:26
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn box_y_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 180 - fn box_y_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout] 180 + fn box_y_compare(a: &Box<dyn Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bvh.rs:180:44
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn box_y_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     |                                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 180 - fn box_y_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout] 180 + fn box_y_compare(a: &Box<Hitable>, b: &Box<dyn Hitable>) -> Ordering {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bvh.rs:194:26
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn box_z_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 194 - fn box_z_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout] 194 + fn box_z_compare(a: &Box<dyn Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bvh.rs:194:44
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn box_z_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout]     |                                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 194 - fn box_z_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stdout] 194 + fn box_z_compare(a: &Box<Hitable>, b: &Box<dyn Hitable>) -> Ordering {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh.rs:82:30
[INFO] [stdout]    |
[INFO] [stdout] 82 |   pub fn new(l: &'a mut [Box<Hitable>]) -> BvhTree<'a> {
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 82 -   pub fn new(l: &'a mut [Box<Hitable>]) -> BvhTree<'a> {
[INFO] [stdout] 82 +   pub fn new(l: &'a mut [Box<dyn Hitable>]) -> BvhTree<'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bvh.rs:89:39
[INFO] [stdout]    |
[INFO] [stdout] 89 |   fn build(&mut self, l: &'a mut [Box<Hitable>]) -> NodeId {
[INFO] [stdout]    |                                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 89 -   fn build(&mut self, l: &'a mut [Box<Hitable>]) -> NodeId {
[INFO] [stdout] 89 +   fn build(&mut self, l: &'a mut [Box<dyn Hitable>]) -> NodeId {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bvh.rs:124:43
[INFO] [stdout]     |
[INFO] [stdout] 124 |   fn new_leaf(&mut self, hitable: &'a Box<Hitable>) -> NodeId {
[INFO] [stdout]     |                                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 -   fn new_leaf(&mut self, hitable: &'a Box<Hitable>) -> NodeId {
[INFO] [stdout] 124 +   fn new_leaf(&mut self, hitable: &'a Box<dyn Hitable>) -> NodeId {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |   pub fn new(models: &'a mut Vec<Box<Hitable>>, environment: Box<SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stdout]    |                                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 -   pub fn new(models: &'a mut Vec<Box<Hitable>>, environment: Box<SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stdout] 35 +   pub fn new(models: &'a mut Vec<Box<dyn Hitable>>, environment: Box<SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:35:66
[INFO] [stdout]    |
[INFO] [stdout] 35 |   pub fn new(models: &'a mut Vec<Box<Hitable>>, environment: Box<SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 -   pub fn new(models: &'a mut Vec<Box<Hitable>>, environment: Box<SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stdout] 35 +   pub fn new(models: &'a mut Vec<Box<Hitable>>, environment: Box<dyn SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/geometry/triangle.rs:18:58
[INFO] [stdout]    |
[INFO] [stdout] 18 |   pub fn new(v0: Vec3, v1: Vec3, v2: Vec3, material: Arc<Material>) -> Triangle {
[INFO] [stdout]    |                                                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 -   pub fn new(v0: Vec3, v1: Vec3, v2: Vec3, material: Arc<Material>) -> Triangle {
[INFO] [stdout] 18 +   pub fn new(v0: Vec3, v1: Vec3, v2: Vec3, material: Arc<dyn Material>) -> Triangle {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/geometry/triangle.rs:22:84
[INFO] [stdout]    |
[INFO] [stdout] 22 |   pub fn new_with_normal(v0: Vec3, v1: Vec3, v2: Vec3, normal: Vec3, material: Arc<Material>) -> Triangle {
[INFO] [stdout]    |                                                                                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -   pub fn new_with_normal(v0: Vec3, v1: Vec3, v2: Vec3, normal: Vec3, material: Arc<Material>) -> Triangle {
[INFO] [stdout] 22 +   pub fn new_with_normal(v0: Vec3, v1: Vec3, v2: Vec3, normal: Vec3, material: Arc<dyn Material>) -> Triangle {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:413:26
[INFO] [stdout]     |
[INFO] [stdout] 413 |   let mut world: Vec<Box<Hitable>> = Vec::new();
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 413 -   let mut world: Vec<Box<Hitable>> = Vec::new();
[INFO] [stdout] 413 +   let mut world: Vec<Box<dyn Hitable>> = Vec::new();
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:415:24
[INFO] [stdout]     |
[INFO] [stdout] 415 |   let default_mat: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.6, 0.6, 0.6)) });
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 415 -   let default_mat: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.6, 0.6, 0.6)) });
[INFO] [stdout] 415 +   let default_mat: Arc<dyn Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.6, 0.6, 0.6)) });
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:416:26
[INFO] [stdout]     |
[INFO] [stdout] 416 |   let materials: Vec<Arc<Material>> = mtls.iter().map(|m| {
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 416 -   let materials: Vec<Arc<Material>> = mtls.iter().map(|m| {
[INFO] [stdout] 416 +   let materials: Vec<Arc<dyn Material>> = mtls.iter().map(|m| {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:436:20
[INFO] [stdout]     |
[INFO] [stdout] 436 |       let mat: Arc<Material> = match mesh.material_id {
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 436 -       let mat: Arc<Material> = match mesh.material_id {
[INFO] [stdout] 436 +       let mat: Arc<dyn Material> = match mesh.material_id {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mod.rs:417:18
[INFO] [stdout]     |
[INFO] [stdout] 417 |     let mat: Arc<Material> = match m.illumination_model {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 417 -     let mat: Arc<Material> = match m.illumination_model {
[INFO] [stdout] 417 +     let mat: Arc<dyn Material> = match m.illumination_model {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:170:27
[INFO] [stdout]     |
[INFO] [stdout] 170 |   let mut models: Vec<Box<Hitable>> = vec![
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 170 -   let mut models: Vec<Box<Hitable>> = vec![
[INFO] [stdout] 170 +   let mut models: Vec<Box<dyn Hitable>> = vec![
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:183:27
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let material: Arc<Material>;
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 183 -         let material: Arc<Material>;
[INFO] [stdout] 183 +         let material: 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:210:22
[INFO] [stdout]     |
[INFO] [stdout] 210 |   let world: Vec<Box<Hitable>> = models.into_iter().map(|s| s as Box<Hitable>).collect();
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 210 -   let world: Vec<Box<Hitable>> = models.into_iter().map(|s| s as Box<Hitable>).collect();
[INFO] [stdout] 210 +   let world: Vec<Box<dyn Hitable>> = models.into_iter().map(|s| s as Box<Hitable>).collect();
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:210:70
[INFO] [stdout]     |
[INFO] [stdout] 210 |   let world: Vec<Box<Hitable>> = models.into_iter().map(|s| s as Box<Hitable>).collect();
[INFO] [stdout]     |                                                                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 210 -   let world: Vec<Box<Hitable>> = models.into_iter().map(|s| s as Box<Hitable>).collect();
[INFO] [stdout] 210 +   let world: Vec<Box<Hitable>> = models.into_iter().map(|s| s as Box<dyn Hitable>).collect();
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:216:18
[INFO] [stdout]     |
[INFO] [stdout] 216 |   let white: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.73, 0.73, 0.73)) });
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 216 -   let white: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.73, 0.73, 0.73)) });
[INFO] [stdout] 216 +   let white: Arc<dyn Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.73, 0.73, 0.73)) });
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:217:18
[INFO] [stdout]     |
[INFO] [stdout] 217 |   let green: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.12, 0.45, 0.15)) });
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 217 -   let green: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.12, 0.45, 0.15)) });
[INFO] [stdout] 217 +   let green: Arc<dyn Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.12, 0.45, 0.15)) });
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:219:23
[INFO] [stdout]     |
[INFO] [stdout] 219 |   let dielectric: Arc<Material> = Arc::new(Dielectric { ref_idx: 1.8 });
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 219 -   let dielectric: Arc<Material> = Arc::new(Dielectric { ref_idx: 1.8 });
[INFO] [stdout] 219 +   let dielectric: Arc<dyn Material> = Arc::new(Dielectric { ref_idx: 1.8 });
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:220:27
[INFO] [stdout]     |
[INFO] [stdout] 220 |   let subsurface: Vec<Box<Hitable>> = vec![
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 220 -   let subsurface: Vec<Box<Hitable>> = vec![
[INFO] [stdout] 220 +   let subsurface: Vec<Box<dyn Hitable>> = vec![
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]    --> src/material.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |   fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<Scatter> {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_cornell`
[INFO] [stdout]    --> src/main.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn render_cornell(nx: usize, ny: usize, ns: usize, max_ray_depth: i32) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cornell_box`
[INFO] [stdout]    --> src/main.rs:214:4
[INFO] [stdout]     |
[INFO] [stdout] 214 | fn cornell_box() -> Vec<Box<Hitable>> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `identity`
[INFO] [stdout]  --> src/mat44.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |   pub fn identity() -> Mat44 {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `translate`
[INFO] [stdout]   --> src/mat44.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |   pub fn translate(displacement: Vec3) -> Mat44 {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate`
[INFO] [stdout]   --> src/mat44.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |   pub fn rotate(angle: f32, axis: Vec3) -> Mat44 {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inverse`
[INFO] [stdout]   --> src/mat44.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 |   pub fn inverse(&self) -> Mat44 {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_box`
[INFO] [stdout]    --> src/geometry/mod.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 272 | pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/geometry/mod.rs:290:10
[INFO] [stdout]     |
[INFO] [stdout] 290 |   pub fn new(hitable: Box<Hitable>, transform: Mat44) -> Transform {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/geometry/mod.rs:356:10
[INFO] [stdout]     |
[INFO] [stdout] 356 |   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/camera.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   w: Vec3
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Camera` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/camera.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 71 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.65s
[INFO] running `Command { std: "docker" "inspect" "96edc81d2cc54cefd3841d35afdb20345918f870ce862d0a1075552b2f16f220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96edc81d2cc54cefd3841d35afdb20345918f870ce862d0a1075552b2f16f220", kill_on_drop: false }`
[INFO] [stdout] 96edc81d2cc54cefd3841d35afdb20345918f870ce862d0a1075552b2f16f220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] b1d97809aa66f8938620b884900bd7f4e52709d98f8c18f29e9f343e2cc5486b
[INFO] running `Command { std: "docker" "start" "-a" "b1d97809aa66f8938620b884900bd7f4e52709d98f8c18f29e9f343e2cc5486b", kill_on_drop: false }`
[INFO] [stderr] warning: attribute must be of the form `#[test]`
[INFO] [stderr]    --> src/vec3.rs:196:3
[INFO] [stderr]     |
[INFO] [stderr] 196 |   #[test()]
[INFO] [stderr]     |   ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ill_formed_attribute_input)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stderr] 
[INFO] [stderr] warning: attribute must be of the form `#[test]`
[INFO] [stderr]    --> src/vec3.rs:207:3
[INFO] [stderr]     |
[INFO] [stderr] 207 |   #[test()]
[INFO] [stderr]     |   ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stderr] 
[INFO] [stderr] warning: attribute must be of the form `#[test]`
[INFO] [stderr]    --> src/mat44.rs:126:3
[INFO] [stderr]     |
[INFO] [stderr] 126 |   #[test()]
[INFO] [stderr]     |   ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/geometry/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `unit_vector`
[INFO] [stderr]   --> src/main.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 | use vec3::{Vec3, unit_vector};
[INFO] [stderr]    |                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ray::Ray`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use ray::Ray;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/main.rs:77:82
[INFO] [stderr]    |
[INFO] [stderr] 77 |   let ns = matches.value_of("samples").unwrap_or("25").parse::<usize>().unwrap();;
[INFO] [stderr]    |                                                                                  ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/main.rs:78:97
[INFO] [stderr]    |
[INFO] [stderr] 78 |   let max_ray_depth = matches.value_of("max_ray_depth").unwrap_or("10").parse::<i32>().unwrap();;
[INFO] [stderr]    |                                                                                                 ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:165:30
[INFO] [stderr]     |
[INFO] [stderr] 165 | fn random_scene() -> 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 2015) 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] 165 - fn random_scene() -> Vec<Box<Hitable>> {
[INFO] [stderr] 165 + fn random_scene() -> Vec<Box<dyn Hitable>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:214:29
[INFO] [stderr]     |
[INFO] [stderr] 214 | fn cornell_box() -> Vec<Box<Hitable>> {
[INFO] [stderr]     |                             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 214 - fn cornell_box() -> Vec<Box<Hitable>> {
[INFO] [stderr] 214 + fn cornell_box() -> Vec<Box<dyn Hitable>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/geometry/triangle.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 |   material: Arc<Material>
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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 -   material: Arc<Material>
[INFO] [stderr] 14 +   material: Arc<dyn Material>
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/geometry/mod.rs:77:21
[INFO] [stderr]    |
[INFO] [stderr] 77 |   pub material: Arc<Material>
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 77 -   pub material: Arc<Material>
[INFO] [stderr] 77 +   pub material: Arc<dyn Material>
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:138:21
[INFO] [stderr]     |
[INFO] [stderr] 138 |   pub material: Arc<Material>
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 138 -   pub material: Arc<Material>
[INFO] [stderr] 138 +   pub material: Arc<dyn Material>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:178:21
[INFO] [stderr]     |
[INFO] [stderr] 178 |   pub material: Arc<Material>
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 178 -   pub material: Arc<Material>
[INFO] [stderr] 178 +   pub material: Arc<dyn Material>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:218:21
[INFO] [stderr]     |
[INFO] [stderr] 218 |   pub material: Arc<Material>
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 218 -   pub material: Arc<Material>
[INFO] [stderr] 218 +   pub material: Arc<dyn Material>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:253:20
[INFO] [stderr]     |
[INFO] [stderr] 253 |   pub hitable: Box<Hitable>
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 253 -   pub hitable: Box<Hitable>
[INFO] [stderr] 253 +   pub hitable: Box<dyn Hitable>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:284:20
[INFO] [stderr]     |
[INFO] [stderr] 284 |   pub hitable: Box<Hitable>,
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 284 -   pub hitable: Box<Hitable>,
[INFO] [stderr] 284 +   pub hitable: Box<dyn Hitable>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:350:17
[INFO] [stderr]     |
[INFO] [stderr] 350 |   boundary: Box<Hitable>,
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 350 -   boundary: Box<Hitable>,
[INFO] [stderr] 350 +   boundary: Box<dyn Hitable>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/material.rs:49:16
[INFO] [stderr]    |
[INFO] [stderr] 49 |   pub odd: Box<Texture>,
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 49 -   pub odd: Box<Texture>,
[INFO] [stderr] 49 +   pub odd: Box<dyn Texture>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/material.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |   pub even: Box<Texture>
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 50 -   pub even: Box<Texture>
[INFO] [stderr] 50 +   pub even: Box<dyn Texture>
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/material.rs:69:19
[INFO] [stderr]    |
[INFO] [stderr] 69 |   pub albedo: Box<Texture>
[INFO] [stderr]    |                   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 69 -   pub albedo: Box<Texture>
[INFO] [stderr] 69 +   pub albedo: Box<dyn Texture>
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/material.rs:136:17
[INFO] [stderr]     |
[INFO] [stderr] 136 |   pub emit: Box<Texture>
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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 -   pub emit: Box<Texture>
[INFO] [stderr] 136 +   pub emit: Box<dyn Texture>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/material.rs:150:19
[INFO] [stderr]     |
[INFO] [stderr] 150 |   pub albedo: Box<Texture>
[INFO] [stderr]     |                   ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 150 -   pub albedo: Box<Texture>
[INFO] [stderr] 150 +   pub albedo: Box<dyn Texture>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scene.rs:30:24
[INFO] [stderr]    |
[INFO] [stderr] 30 |   pub environment: Box<SceneEnvironment>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 30 -   pub environment: Box<SceneEnvironment>,
[INFO] [stderr] 30 +   pub environment: Box<dyn SceneEnvironment>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 |   hitable: Option<&'a Box<Hitable>>
[INFO] [stderr]    |                           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 22 -   hitable: Option<&'a Box<Hitable>>
[INFO] [stderr] 22 +   hitable: Option<&'a Box<dyn Hitable>>
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/material.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub material: &'a Material,
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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 material: &'a Material,
[INFO] [stderr] 11 +   pub material: &'a dyn Material,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/geometry/mod.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl fmt::Debug for Hitable {
[INFO] [stderr]    |                     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 26 - impl fmt::Debug for Hitable {
[INFO] [stderr] 26 + impl fmt::Debug for dyn Hitable {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/geometry/mod.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 | impl Hitable for Vec<Box<Hitable>> {
[INFO] [stderr]    |                          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 32 - impl Hitable for Vec<Box<Hitable>> {
[INFO] [stderr] 32 + impl Hitable for Vec<Box<dyn Hitable>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:272:72
[INFO] [stderr]     |
[INFO] [stderr] 272 | pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stderr]     |                                                                        ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 272 - pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stderr] 272 + pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<dyn Hitable>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:272:50
[INFO] [stderr]     |
[INFO] [stderr] 272 | pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stderr]     |                                                  ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 272 - pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stderr] 272 + pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<dyn Material>) -> Vec<Box<Hitable>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:410:47
[INFO] [stderr]     |
[INFO] [stderr] 410 | pub fn obj_to_hitable(path: &Path) -> Vec<Box<Hitable>> {
[INFO] [stderr]     |                                               ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 410 - pub fn obj_to_hitable(path: &Path) -> Vec<Box<Hitable>> {
[INFO] [stderr] 410 + pub fn obj_to_hitable(path: &Path) -> Vec<Box<dyn Hitable>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:290:27
[INFO] [stderr]     |
[INFO] [stderr] 290 |   pub fn new(hitable: Box<Hitable>, transform: Mat44) -> Transform {
[INFO] [stderr]     |                           ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 290 -   pub fn new(hitable: Box<Hitable>, transform: Mat44) -> Transform {
[INFO] [stderr] 290 +   pub fn new(hitable: Box<dyn Hitable>, transform: Mat44) -> Transform {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:356:28
[INFO] [stderr]     |
[INFO] [stderr] 356 |   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stderr]     |                            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 356 -   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stderr] 356 +   pub fn new(boundary: Box<dyn Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:356:59
[INFO] [stderr]     |
[INFO] [stderr] 356 |   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stderr]     |                                                           ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 356 -   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stderr] 356 +   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<dyn Texture>) -> ConstantMedium {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bvh.rs:166:26
[INFO] [stderr]     |
[INFO] [stderr] 166 | fn box_x_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 166 - fn box_x_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stderr] 166 + fn box_x_compare(a: &Box<dyn Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bvh.rs:166:44
[INFO] [stderr]     |
[INFO] [stderr] 166 | fn box_x_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stderr]     |                                            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 166 - fn box_x_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stderr] 166 + fn box_x_compare(a: &Box<Hitable>, b: &Box<dyn Hitable>) -> Ordering {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bvh.rs:180:26
[INFO] [stderr]     |
[INFO] [stderr] 180 | fn box_y_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 180 - fn box_y_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stderr] 180 + fn box_y_compare(a: &Box<dyn Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bvh.rs:180:44
[INFO] [stderr]     |
[INFO] [stderr] 180 | fn box_y_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stderr]     |                                            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 180 - fn box_y_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stderr] 180 + fn box_y_compare(a: &Box<Hitable>, b: &Box<dyn Hitable>) -> Ordering {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bvh.rs:194:26
[INFO] [stderr]     |
[INFO] [stderr] 194 | fn box_z_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 194 - fn box_z_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stderr] 194 + fn box_z_compare(a: &Box<dyn Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bvh.rs:194:44
[INFO] [stderr]     |
[INFO] [stderr] 194 | fn box_z_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stderr]     |                                            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 194 - fn box_z_compare(a: &Box<Hitable>, b: &Box<Hitable>) -> Ordering {
[INFO] [stderr] 194 + fn box_z_compare(a: &Box<Hitable>, b: &Box<dyn Hitable>) -> Ordering {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:82:30
[INFO] [stderr]    |
[INFO] [stderr] 82 |   pub fn new(l: &'a mut [Box<Hitable>]) -> BvhTree<'a> {
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 82 -   pub fn new(l: &'a mut [Box<Hitable>]) -> BvhTree<'a> {
[INFO] [stderr] 82 +   pub fn new(l: &'a mut [Box<dyn Hitable>]) -> BvhTree<'a> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:89:39
[INFO] [stderr]    |
[INFO] [stderr] 89 |   fn build(&mut self, l: &'a mut [Box<Hitable>]) -> NodeId {
[INFO] [stderr]    |                                       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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 build(&mut self, l: &'a mut [Box<Hitable>]) -> NodeId {
[INFO] [stderr] 89 +   fn build(&mut self, l: &'a mut [Box<dyn Hitable>]) -> NodeId {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bvh.rs:124:43
[INFO] [stderr]     |
[INFO] [stderr] 124 |   fn new_leaf(&mut self, hitable: &'a Box<Hitable>) -> NodeId {
[INFO] [stderr]     |                                           ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 124 -   fn new_leaf(&mut self, hitable: &'a Box<Hitable>) -> NodeId {
[INFO] [stderr] 124 +   fn new_leaf(&mut self, hitable: &'a Box<dyn Hitable>) -> NodeId {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scene.rs:35:38
[INFO] [stderr]    |
[INFO] [stderr] 35 |   pub fn new(models: &'a mut Vec<Box<Hitable>>, environment: Box<SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stderr]    |                                      ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 35 -   pub fn new(models: &'a mut Vec<Box<Hitable>>, environment: Box<SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stderr] 35 +   pub fn new(models: &'a mut Vec<Box<dyn Hitable>>, environment: Box<SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scene.rs:35:66
[INFO] [stderr]    |
[INFO] [stderr] 35 |   pub fn new(models: &'a mut Vec<Box<Hitable>>, environment: Box<SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 35 -   pub fn new(models: &'a mut Vec<Box<Hitable>>, environment: Box<SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stderr] 35 +   pub fn new(models: &'a mut Vec<Box<Hitable>>, environment: Box<dyn SceneEnvironment>, max_ray_depth: i32) -> Scene<'a> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/geometry/triangle.rs:18:58
[INFO] [stderr]    |
[INFO] [stderr] 18 |   pub fn new(v0: Vec3, v1: Vec3, v2: Vec3, material: Arc<Material>) -> Triangle {
[INFO] [stderr]    |                                                          ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 18 -   pub fn new(v0: Vec3, v1: Vec3, v2: Vec3, material: Arc<Material>) -> Triangle {
[INFO] [stderr] 18 +   pub fn new(v0: Vec3, v1: Vec3, v2: Vec3, material: Arc<dyn Material>) -> Triangle {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/geometry/triangle.rs:22:84
[INFO] [stderr]    |
[INFO] [stderr] 22 |   pub fn new_with_normal(v0: Vec3, v1: Vec3, v2: Vec3, normal: Vec3, material: Arc<Material>) -> Triangle {
[INFO] [stderr]    |                                                                                    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 22 -   pub fn new_with_normal(v0: Vec3, v1: Vec3, v2: Vec3, normal: Vec3, material: Arc<Material>) -> Triangle {
[INFO] [stderr] 22 +   pub fn new_with_normal(v0: Vec3, v1: Vec3, v2: Vec3, normal: Vec3, material: Arc<dyn Material>) -> Triangle {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:413:26
[INFO] [stderr]     |
[INFO] [stderr] 413 |   let mut world: Vec<Box<Hitable>> = Vec::new();
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 413 -   let mut world: Vec<Box<Hitable>> = Vec::new();
[INFO] [stderr] 413 +   let mut world: Vec<Box<dyn Hitable>> = Vec::new();
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:415:24
[INFO] [stderr]     |
[INFO] [stderr] 415 |   let default_mat: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.6, 0.6, 0.6)) });
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 415 -   let default_mat: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.6, 0.6, 0.6)) });
[INFO] [stderr] 415 +   let default_mat: Arc<dyn Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.6, 0.6, 0.6)) });
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:416:26
[INFO] [stderr]     |
[INFO] [stderr] 416 |   let materials: Vec<Arc<Material>> = mtls.iter().map(|m| {
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 416 -   let materials: Vec<Arc<Material>> = mtls.iter().map(|m| {
[INFO] [stderr] 416 +   let materials: Vec<Arc<dyn Material>> = mtls.iter().map(|m| {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:436:20
[INFO] [stderr]     |
[INFO] [stderr] 436 |       let mat: Arc<Material> = match mesh.material_id {
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 436 -       let mat: Arc<Material> = match mesh.material_id {
[INFO] [stderr] 436 +       let mat: Arc<dyn Material> = match mesh.material_id {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/geometry/mod.rs:417:18
[INFO] [stderr]     |
[INFO] [stderr] 417 |     let mat: Arc<Material> = match m.illumination_model {
[INFO] [stderr]     |                  ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 417 -     let mat: Arc<Material> = match m.illumination_model {
[INFO] [stderr] 417 +     let mat: Arc<dyn Material> = match m.illumination_model {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:170:27
[INFO] [stderr]     |
[INFO] [stderr] 170 |   let mut models: Vec<Box<Hitable>> = vec![
[INFO] [stderr]     |                           ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 170 -   let mut models: Vec<Box<Hitable>> = vec![
[INFO] [stderr] 170 +   let mut models: Vec<Box<dyn Hitable>> = vec![
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:183:27
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let material: Arc<Material>;
[INFO] [stderr]     |                           ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 183 -         let material: Arc<Material>;
[INFO] [stderr] 183 +         let material: Arc<dyn Material>;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:210:22
[INFO] [stderr]     |
[INFO] [stderr] 210 |   let world: Vec<Box<Hitable>> = models.into_iter().map(|s| s as Box<Hitable>).collect();
[INFO] [stderr]     |                      ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 210 -   let world: Vec<Box<Hitable>> = models.into_iter().map(|s| s as Box<Hitable>).collect();
[INFO] [stderr] 210 +   let world: Vec<Box<dyn Hitable>> = models.into_iter().map(|s| s as Box<Hitable>).collect();
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:210:70
[INFO] [stderr]     |
[INFO] [stderr] 210 |   let world: Vec<Box<Hitable>> = models.into_iter().map(|s| s as Box<Hitable>).collect();
[INFO] [stderr]     |                                                                      ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 210 -   let world: Vec<Box<Hitable>> = models.into_iter().map(|s| s as Box<Hitable>).collect();
[INFO] [stderr] 210 +   let world: Vec<Box<Hitable>> = models.into_iter().map(|s| s as Box<dyn Hitable>).collect();
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:216:18
[INFO] [stderr]     |
[INFO] [stderr] 216 |   let white: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.73, 0.73, 0.73)) });
[INFO] [stderr]     |                  ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 216 -   let white: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.73, 0.73, 0.73)) });
[INFO] [stderr] 216 +   let white: Arc<dyn Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.73, 0.73, 0.73)) });
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:217:18
[INFO] [stderr]     |
[INFO] [stderr] 217 |   let green: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.12, 0.45, 0.15)) });
[INFO] [stderr]     |                  ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 217 -   let green: Arc<Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.12, 0.45, 0.15)) });
[INFO] [stderr] 217 +   let green: Arc<dyn Material> = Arc::new(Lambertian { albedo: Box::new(ConstantTexture::new(0.12, 0.45, 0.15)) });
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:219:23
[INFO] [stderr]     |
[INFO] [stderr] 219 |   let dielectric: Arc<Material> = Arc::new(Dielectric { ref_idx: 1.8 });
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 219 -   let dielectric: Arc<Material> = Arc::new(Dielectric { ref_idx: 1.8 });
[INFO] [stderr] 219 +   let dielectric: Arc<dyn Material> = Arc::new(Dielectric { ref_idx: 1.8 });
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:220:27
[INFO] [stderr]     |
[INFO] [stderr] 220 |   let subsurface: Vec<Box<Hitable>> = vec![
[INFO] [stderr]     |                           ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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] 220 -   let subsurface: Vec<Box<Hitable>> = vec![
[INFO] [stderr] 220 +   let subsurface: Vec<Box<dyn Hitable>> = vec![
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_in`
[INFO] [stderr]    --> src/material.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |   fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<Scatter> {
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `render_cornell`
[INFO] [stderr]    --> src/main.rs:145:4
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn render_cornell(nx: usize, ny: usize, ns: usize, max_ray_depth: i32) -> Vec<u8> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cornell_box`
[INFO] [stderr]    --> src/main.rs:214:4
[INFO] [stderr]     |
[INFO] [stderr] 214 | fn cornell_box() -> Vec<Box<Hitable>> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `identity`
[INFO] [stderr]  --> src/mat44.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 |   pub fn identity() -> Mat44 {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `translate`
[INFO] [stderr]   --> src/mat44.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 |   pub fn translate(displacement: Vec3) -> Mat44 {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rotate`
[INFO] [stderr]   --> src/mat44.rs:25:10
[INFO] [stderr]    |
[INFO] [stderr] 25 |   pub fn rotate(angle: f32, axis: Vec3) -> Mat44 {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `inverse`
[INFO] [stderr]   --> src/mat44.rs:39:10
[INFO] [stderr]    |
[INFO] [stderr] 39 |   pub fn inverse(&self) -> Mat44 {
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_box`
[INFO] [stderr]    --> src/geometry/mod.rs:272:8
[INFO] [stderr]     |
[INFO] [stderr] 272 | pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/geometry/mod.rs:290:10
[INFO] [stderr]     |
[INFO] [stderr] 290 |   pub fn new(hitable: Box<Hitable>, transform: Mat44) -> Transform {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/geometry/mod.rs:356:10
[INFO] [stderr]     |
[INFO] [stderr] 356 |   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `w`
[INFO] [stderr]   --> src/camera.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   w: Vec3
[INFO] [stderr]    |   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Camera` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/camera.rs:7:10
[INFO] [stderr]    |
[INFO] [stderr] 7  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rt-in-1-week` (bin "rt-in-1-week" test) generated 71 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rt_in_1_week-ec2d0fedc2468db0)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test mat44::tests::matrix_mul ... ok
[INFO] [stdout] test vec3::tests::cross_product1 ... ok
[INFO] [stdout] test vec3::tests::cross_product2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b1d97809aa66f8938620b884900bd7f4e52709d98f8c18f29e9f343e2cc5486b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d97809aa66f8938620b884900bd7f4e52709d98f8c18f29e9f343e2cc5486b", kill_on_drop: false }`
[INFO] [stdout] b1d97809aa66f8938620b884900bd7f4e52709d98f8c18f29e9f343e2cc5486b