[INFO] cloning repository https://github.com/CMatri/raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CMatri/raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCMatri%2Fraytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCMatri%2Fraytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44252481632470af4ec2cb8d83a29351cde871cd
[INFO] checking CMatri/raytracer against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCMatri%2Fraytracer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/CMatri/raytracer
[INFO] finished tweaking git repo https://github.com/CMatri/raytracer
[INFO] tweaked toml for git repo https://github.com/CMatri/raytracer written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CMatri/raytracer on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CMatri/raytracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 764a2a33ea9283611ffbd7b5123cb79958611e80b518eea32c7a263e48c07cdd
[INFO] running `Command { std: "docker" "start" "-a" "764a2a33ea9283611ffbd7b5123cb79958611e80b518eea32c7a263e48c07cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "764a2a33ea9283611ffbd7b5123cb79958611e80b518eea32c7a263e48c07cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764a2a33ea9283611ffbd7b5123cb79958611e80b518eea32c7a263e48c07cdd", kill_on_drop: false }`
[INFO] [stdout] 764a2a33ea9283611ffbd7b5123cb79958611e80b518eea32c7a263e48c07cdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27bb59438e3ba7790d690de5a41b3b0fd1578de646eef7c1a11c17dc35195294
[INFO] running `Command { std: "docker" "start" "-a" "27bb59438e3ba7790d690de5a41b3b0fd1578de646eef7c1a11c17dc35195294", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling minifb v0.11.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking raytrace-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (self.x * self.x + self.y * self.y)
[INFO] [stdout]    |         ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -         (self.x * self.x + self.y * self.y)
[INFO] [stdout] 26 +         self.x * self.x + self.y * self.y 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         (self.x * self.x + self.y * self.y)
[INFO] [stdout]    |         ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -         (self.x * self.x + self.y * self.y)
[INFO] [stdout] 26 +         self.x * self.x + self.y * self.y 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         (self.x * v.x + self.y * v.y)
[INFO] [stdout]    |         ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 34 -         (self.x * v.x + self.y * v.y)
[INFO] [stdout] 34 +         self.x * v.x + self.y * v.y 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         (self.x * v.x + self.y * v.y)
[INFO] [stdout]    |         ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 34 -         (self.x * v.x + self.y * v.y)
[INFO] [stdout] 34 +         self.x * v.x + self.y * v.y 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         (self.x * self.x + self.y * self.y + self.z * self.z)
[INFO] [stdout]    |         ^                                                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 54 -         (self.x * self.x + self.y * self.y + self.z * self.z)
[INFO] [stdout] 54 +         self.x * self.x + self.y * self.y + self.z * self.z 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         (self.x * self.x + self.y * self.y + self.z * self.z)
[INFO] [stdout]    |         ^                                                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 54 -         (self.x * self.x + self.y * self.y + self.z * self.z)
[INFO] [stdout] 54 +         self.x * self.x + self.y * self.y + self.z * self.z 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         (self.x * v.x + self.y * v.y + self.z * v.z)
[INFO] [stdout]    |         ^                                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 -         (self.x * v.x + self.y * v.y + self.z * v.z)
[INFO] [stdout] 62 +         self.x * v.x + self.y * v.y + self.z * v.z 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         (self.x * v.x + self.y * v.y + self.z * v.z)
[INFO] [stdout]    |         ^                                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 -         (self.x * v.x + self.y * v.y + self.z * v.z)
[INFO] [stdout] 62 +         self.x * v.x + self.y * v.y + self.z * v.z 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Vec3`
[INFO] [stdout]  --> src/scene.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::vector::{Vec3};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DirectionalLight` and `PointLight`
[INFO] [stdout]  --> src/scene.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::light::{PointLight, DirectionalLight, Light};
[INFO] [stdout]   |                    ^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirectionalLight`
[INFO] [stdout]   --> src/main.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 | use light::{PointLight, DirectionalLight, Light};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UNIX_EPOCH`
[INFO] [stdout]   --> src/main.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::time::{SystemTime, UNIX_EPOCH, Duration};
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Vec3`
[INFO] [stdout]  --> src/scene.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::vector::{Vec3};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DirectionalLight` and `PointLight`
[INFO] [stdout]  --> src/scene.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::light::{PointLight, DirectionalLight, Light};
[INFO] [stdout]   |                    ^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirectionalLight`
[INFO] [stdout]   --> src/main.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 | use light::{PointLight, DirectionalLight, Light};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UNIX_EPOCH`
[INFO] [stdout]   --> src/main.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::time::{SystemTime, UNIX_EPOCH, Duration};
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub obj: &'a Box<Solid + Send + Sync>
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub obj: &'a Box<dyn Solid + Send + Sync>
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub objects: Vec<Box<Solid + Send + Sync>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub objects: Vec<Box<dyn Solid + Send + Sync>>,
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub update_func: Box<FnMut(&mut Vec<Box<Solid + Send + Sync>>, f32) + Send + Sync>
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub update_func: Box<dyn FnMut(&mut Vec<Box<Solid + Send + Sync>>, f32) + Send + Sync>
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:25:45
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub update_func: Box<FnMut(&mut Vec<Box<Solid + Send + Sync>>, f32) + Send + Sync>
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub update_func: Box<FnMut(&mut Vec<Box<dyn Solid + Send + Sync>>, f32) + Send + Sync>
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub obj: &'a Box<Solid + Send + Sync>
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub obj: &'a Box<dyn Solid + Send + Sync>
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub objects: Vec<Box<Solid + Send + Sync>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub objects: Vec<Box<dyn Solid + Send + Sync>>,
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub update_func: Box<FnMut(&mut Vec<Box<Solid + Send + Sync>>, f32) + Send + Sync>
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub update_func: Box<dyn FnMut(&mut Vec<Box<Solid + Send + Sync>>, f32) + Send + Sync>
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:25:45
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub update_func: Box<FnMut(&mut Vec<Box<Solid + Send + Sync>>, f32) + Send + Sync>
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub update_func: Box<FnMut(&mut Vec<Box<dyn Solid + Send + Sync>>, f32) + Send + Sync>
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:14:40
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(dist: f64, obj: &'a Box<Solid + Send + Sync>) -> Hit<'a> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(dist: f64, obj: &'a Box<dyn Solid + Send + Sync>) -> Hit<'a> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:14:40
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(dist: f64, obj: &'a Box<Solid + Send + Sync>) -> Hit<'a> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(dist: f64, obj: &'a Box<dyn Solid + Send + Sync>) -> Hit<'a> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/scene.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn trace(&self, ray: &Ray) -> Option<Hit> {
[INFO] [stdout]    |              ^^^^^                       ^^^ the same lifetime is hidden here
[INFO] [stdout]    |              |
[INFO] [stdout]    |              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn trace(&self, ray: &Ray) -> Option<Hit<'_>> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/scene.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn trace(&self, ray: &Ray) -> Option<Hit> {
[INFO] [stdout]    |              ^^^^^                       ^^^ the same lifetime is hidden here
[INFO] [stdout]    |              |
[INFO] [stdout]    |              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn trace(&self, ray: &Ray) -> Option<Hit<'_>> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "27bb59438e3ba7790d690de5a41b3b0fd1578de646eef7c1a11c17dc35195294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27bb59438e3ba7790d690de5a41b3b0fd1578de646eef7c1a11c17dc35195294", kill_on_drop: false }`
[INFO] [stdout] 27bb59438e3ba7790d690de5a41b3b0fd1578de646eef7c1a11c17dc35195294
