[INFO] cloning repository https://github.com/pepone42/raytracer.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pepone42/raytracer.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepone42%2Fraytracer.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepone42%2Fraytracer.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9bf53733c283bede7f8369c66fa9fd04c60a732
[INFO] testing pepone42/raytracer.rs against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepone42%2Fraytracer.rs" "/workspace/builds/worker-64/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-64/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pepone42/raytracer.rs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pepone42/raytracer.rs
[INFO] finished tweaking git repo https://github.com/pepone42/raytracer.rs
[INFO] tweaked toml for git repo https://github.com/pepone42/raytracer.rs written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate git repo https://github.com/pepone42/raytracer.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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 x11-dl v2.2.1
[INFO] [stderr]   Downloaded minifb v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a112dec2e18e6c653d331358045e37d800829c8ffa9b6bfc88111a057a86183
[INFO] running `Command { std: "docker" "start" "-a" "9a112dec2e18e6c653d331358045e37d800829c8ffa9b6bfc88111a057a86183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a112dec2e18e6c653d331358045e37d800829c8ffa9b6bfc88111a057a86183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a112dec2e18e6c653d331358045e37d800829c8ffa9b6bfc88111a057a86183", kill_on_drop: false }`
[INFO] [stdout] 9a112dec2e18e6c653d331358045e37d800829c8ffa9b6bfc88111a057a86183
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61dc4c47d0ab5b291bc7c50278c6a1150e177e2e4b4a0f59880d4dc6c737aa19
[INFO] running `Command { std: "docker" "start" "-a" "61dc4c47d0ab5b291bc7c50278c6a1150e177e2e4b4a0f59880d4dc6c737aa19", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling dylib v0.0.1
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stderr]    Compiling minifb v0.9.1
[INFO] [stderr]    Compiling x11-dl v2.2.1
[INFO] [stderr]    Compiling raytrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/object.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn surface(&self) -> &Surface;
[INFO] [stdout]   |                           ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     surface: &'a Surface,
[INFO] [stdout]    |                  ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:14:59
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(center: Vector3, radius: f64, surface: &'a Surface) -> Self {
[INFO] [stdout]    |                                                           ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:47:27
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn surface(&self) -> &Surface {
[INFO] [stdout]    |                           ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/plane.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     surface: &'a Surface,
[INFO] [stdout]   |                  ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plane.rs:13:57
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(norm: Vector3, offset: f64, surface: &'a Surface) -> Self {
[INFO] [stdout]    |                                                         ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plane.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn surface(&self) -> &Surface {
[INFO] [stdout]    |                           ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/intersection.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub object: &'a Object,
[INFO] [stdout]   |                     ^^^^^^ help: use `dyn`: `dyn Object`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/scene.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub objects: Vec<&'a Object>,
[INFO] [stdout]   |                          ^^^^^^ help: use `dyn`: `dyn Object`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracer.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 |         obj: &Object,
[INFO] [stdout]    |               ^^^^^^ help: use `dyn`: `dyn Object`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracer.rs:65:39
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn get_natural_color(&self, obj: &Object, pos: Vector3, norm: Vector3, rd: Vector3) -> Color {
[INFO] [stdout]    |                                       ^^^^^^ help: use `dyn`: `dyn Object`
[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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.97s
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61dc4c47d0ab5b291bc7c50278c6a1150e177e2e4b4a0f59880d4dc6c737aa19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61dc4c47d0ab5b291bc7c50278c6a1150e177e2e4b4a0f59880d4dc6c737aa19", kill_on_drop: false }`
[INFO] [stdout] 61dc4c47d0ab5b291bc7c50278c6a1150e177e2e4b4a0f59880d4dc6c737aa19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9c93b62095c1575cb2e336453f558855958dbd1f6dd96453abc95ffc2453dad
[INFO] running `Command { std: "docker" "start" "-a" "b9c93b62095c1575cb2e336453f558855958dbd1f6dd96453abc95ffc2453dad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling raytrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/object.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn surface(&self) -> &Surface;
[INFO] [stdout]   |                           ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     surface: &'a Surface,
[INFO] [stdout]    |                  ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:14:59
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(center: Vector3, radius: f64, surface: &'a Surface) -> Self {
[INFO] [stdout]    |                                                           ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sphere.rs:47:27
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn surface(&self) -> &Surface {
[INFO] [stdout]    |                           ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/plane.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     surface: &'a Surface,
[INFO] [stdout]   |                  ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plane.rs:13:57
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(norm: Vector3, offset: f64, surface: &'a Surface) -> Self {
[INFO] [stdout]    |                                                         ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plane.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn surface(&self) -> &Surface {
[INFO] [stdout]    |                           ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/intersection.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub object: &'a Object,
[INFO] [stdout]   |                     ^^^^^^ help: use `dyn`: `dyn Object`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/scene.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub objects: Vec<&'a Object>,
[INFO] [stdout]   |                          ^^^^^^ help: use `dyn`: `dyn Object`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracer.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 |         obj: &Object,
[INFO] [stdout]    |               ^^^^^^ help: use `dyn`: `dyn Object`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/raytracer.rs:65:39
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn get_natural_color(&self, obj: &Object, pos: Vector3, norm: Vector3, rd: Vector3) -> Color {
[INFO] [stdout]    |                                       ^^^^^^ help: use `dyn`: `dyn Object`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "b9c93b62095c1575cb2e336453f558855958dbd1f6dd96453abc95ffc2453dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c93b62095c1575cb2e336453f558855958dbd1f6dd96453abc95ffc2453dad", kill_on_drop: false }`
[INFO] [stdout] b9c93b62095c1575cb2e336453f558855958dbd1f6dd96453abc95ffc2453dad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63ab302792327a3b3eb58d6c6ce91ce7cd67a0fa5de40861a551f818c1d9e0f5
[INFO] running `Command { std: "docker" "start" "-a" "63ab302792327a3b3eb58d6c6ce91ce7cd67a0fa5de40861a551f818c1d9e0f5", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/object.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn surface(&self) -> &Surface;
[INFO] [stderr]   |                           ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sphere.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 |     surface: &'a Surface,
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sphere.rs:14:59
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(center: Vector3, radius: f64, surface: &'a Surface) -> Self {
[INFO] [stderr]    |                                                           ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sphere.rs:47:27
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn surface(&self) -> &Surface {
[INFO] [stderr]    |                           ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/plane.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 |     surface: &'a Surface,
[INFO] [stderr]   |                  ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/plane.rs:13:57
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(norm: Vector3, offset: f64, surface: &'a Surface) -> Self {
[INFO] [stderr]    |                                                         ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/plane.rs:40:27
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn surface(&self) -> &Surface {
[INFO] [stderr]    |                           ^^^^^^^ help: use `dyn`: `dyn Surface`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/intersection.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub object: &'a Object,
[INFO] [stderr]   |                     ^^^^^^ help: use `dyn`: `dyn Object`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/scene.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub objects: Vec<&'a Object>,
[INFO] [stderr]   |                          ^^^^^^ help: use `dyn`: `dyn Object`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/raytracer.rs:48:15
[INFO] [stderr]    |
[INFO] [stderr] 48 |         obj: &Object,
[INFO] [stderr]    |               ^^^^^^ help: use `dyn`: `dyn Object`
[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] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/raytracer.rs:65:39
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn get_natural_color(&self, obj: &Object, pos: Vector3, norm: Vector3, rd: Vector3) -> Color {
[INFO] [stderr]    |                                       ^^^^^^ help: use `dyn`: `dyn Object`
[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] 
[INFO] [stderr] warning: `raytrace` (bin "raytrace" test) generated 11 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/raytrace-90552960883aa8ef)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test color::add ... ok
[INFO] [stdout] test color::clamp ... ok
[INFO] [stdout] test color::scalar_mul ... ok
[INFO] [stdout] test color::to_pixel_color ... ok
[INFO] [stdout] test vector3::add ... ok
[INFO] [stdout] test color::sub ... ok
[INFO] [stdout] test vector3::cross ... ok
[INFO] [stdout] test vector3::dot ... ok
[INFO] [stdout] test vector3::len ... ok
[INFO] [stdout] test vector3::norm ... ok
[INFO] [stdout] test vector3::scalar_mul_vector ... ok
[INFO] [stdout] test vector3::sub ... ok
[INFO] [stdout] test vector3::vector_mul_scalar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "63ab302792327a3b3eb58d6c6ce91ce7cd67a0fa5de40861a551f818c1d9e0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ab302792327a3b3eb58d6c6ce91ce7cd67a0fa5de40861a551f818c1d9e0f5", kill_on_drop: false }`
[INFO] [stdout] 63ab302792327a3b3eb58d6c6ce91ce7cd67a0fa5de40861a551f818c1d9e0f5