[INFO] cloning repository https://github.com/3Hren/photon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/3Hren/photon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3Hren%2Fphoton", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3Hren%2Fphoton'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b54c1bc3b49c66d2dc5fb678ef62ca7d248e620d
[INFO] checking 3Hren/photon against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3Hren%2Fphoton" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/3Hren/photon on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/3Hren/photon
[INFO] finished tweaking git repo https://github.com/3Hren/photon
[INFO] tweaked toml for git repo https://github.com/3Hren/photon written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/3Hren/photon 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad166f2e7bf87a2be41d9aed9ba9002e4ea17eaad68c97923a206c5e104b18bc
[INFO] running `Command { std: "docker" "start" "-a" "ad166f2e7bf87a2be41d9aed9ba9002e4ea17eaad68c97923a206c5e104b18bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad166f2e7bf87a2be41d9aed9ba9002e4ea17eaad68c97923a206c5e104b18bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad166f2e7bf87a2be41d9aed9ba9002e4ea17eaad68c97923a206c5e104b18bc", kill_on_drop: false }`
[INFO] [stdout] ad166f2e7bf87a2be41d9aed9ba9002e4ea17eaad68c97923a206c5e104b18bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd14c59fcaffe2a966951f0f4d291d1458db735d539ea083281f6730b8314fbb
[INFO] running `Command { std: "docker" "start" "-a" "bd14c59fcaffe2a966951f0f4d291d1458db735d539ea083281f6730b8314fbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling num-integer v0.1.39
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[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
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[INFO] [stderr]     Checking memoffset v0.2.1
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[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
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[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking serde v1.0.21
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking c_vec v1.3.2
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking safe-transmute v0.10.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.8
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking sdl2 v0.32.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling serde_derive v1.0.21
[INFO] [stderr]     Checking serde_json v1.0.6
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking photon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ImageBuffer`, `ImageRgb8`
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | use image::{ImageBuffer, ImageRgb8, Pixel, Rgb};
[INFO] [stdout]    |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mouse::Cursor`
[INFO] [stdout]   --> src/main.rs:15:73
[INFO] [stdout]    |
[INFO] [stdout] 15 | use sdl2::{event::Event, gfx::framerate::FPSManager, keyboard::Keycode, mouse::Cursor};
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Triangle`
[INFO] [stdout]  --> src/geometry/mod.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mesh::{Mesh, Triangle},
[INFO] [stdout]   |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AddAssign`
[INFO] [stdout]  --> src/matrix.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, AddAssign, Mul};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `range_contains` has been stable since 1.35.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(range_contains)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |     lights: Vec<Box<Light + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 |     lights: Vec<Box<dyn Light + Sync>>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 |     objects: Vec<Model<Box<Geometry + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 78 |     objects: Vec<Model<Box<dyn Geometry + Sync>>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:94:63
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn load<P: AsRef<Path>>(path: &P) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn load<P: AsRef<Path>>(path: &P) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:180:74
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn closest_intersection(&self, ray: &Ray<f64>) -> Option<(&Model<Box<Geometry + Sync>>, Intersection)> {
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn closest_intersection(&self, ray: &Ray<f64>) -> Option<(&Model<Box<dyn Geometry + Sync>>, Intersection)> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mesh.rs:103:62
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn load<P: AsRef<Path>>(path: P) -> Result<Self, Box<Error>> {
[INFO] [stdout]     |                                                              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn load<P: AsRef<Path>>(path: P) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ImageBuffer`, `ImageRgb8`
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | use image::{ImageBuffer, ImageRgb8, Pixel, Rgb};
[INFO] [stdout]    |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mouse::Cursor`
[INFO] [stdout]   --> src/main.rs:15:73
[INFO] [stdout]    |
[INFO] [stdout] 15 | use sdl2::{event::Event, gfx::framerate::FPSManager, keyboard::Keycode, mouse::Cursor};
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Triangle`
[INFO] [stdout]  --> src/geometry/mod.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mesh::{Mesh, Triangle},
[INFO] [stdout]   |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AddAssign`
[INFO] [stdout]  --> src/matrix.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, AddAssign, Mul};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `range_contains` has been stable since 1.35.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(range_contains)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |     lights: Vec<Box<Light + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 |     lights: Vec<Box<dyn Light + Sync>>,
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 |     objects: Vec<Model<Box<Geometry + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 78 |     objects: Vec<Model<Box<dyn Geometry + Sync>>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:94:63
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn load<P: AsRef<Path>>(path: &P) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn load<P: AsRef<Path>>(path: &P) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:180:74
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn closest_intersection(&self, ray: &Ray<f64>) -> Option<(&Model<Box<Geometry + Sync>>, Intersection)> {
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn closest_intersection(&self, ray: &Ray<f64>) -> Option<(&Model<Box<dyn Geometry + Sync>>, Intersection)> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/geometry/mesh.rs:103:62
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn load<P: AsRef<Path>>(path: P) -> Result<Self, Box<Error>> {
[INFO] [stdout]     |                                                              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn load<P: AsRef<Path>>(path: P) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:110:45
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     Box::new(sphere) as Box<Geometry + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     Box::new(sphere) as Box<dyn Geometry + Sync>
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:114:44
[INFO] [stdout]     |
[INFO] [stdout] 114 |                     Box::new(plane) as Box<Geometry + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 114 |                     Box::new(plane) as Box<dyn Geometry + Sync>
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:122:43
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Box::new(mesh) as Box<Geometry + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Box::new(mesh) as Box<dyn Geometry + Sync>
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:110:45
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     Box::new(sphere) as Box<Geometry + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     Box::new(sphere) as Box<dyn Geometry + Sync>
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:114:44
[INFO] [stdout]     |
[INFO] [stdout] 114 |                     Box::new(plane) as Box<Geometry + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 114 |                     Box::new(plane) as Box<dyn Geometry + Sync>
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:122:43
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Box::new(mesh) as Box<Geometry + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     Box::new(mesh) as Box<dyn Geometry + Sync>
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/matrix.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     let mut v = out.0[i][j] + self.0[i][k] * o.0[k][j];
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rot_z`
[INFO] [stdout]    --> src/main.rs:313:25
[INFO] [stdout]     |
[INFO] [stdout] 313 |                     let rot_z = Matrix4x4::new([
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_rot_z`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/matrix.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     let mut v = out.0[i][j] + self.0[i][k] * o.0[k][j];
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:330:61
[INFO] [stdout]     |
[INFO] [stdout] 330 |             buf.par_chunks_mut(4).enumerate().for_each(|(n, mut c)| {
[INFO] [stdout]     |                                                             ----^
[INFO] [stdout]     |                                                             |
[INFO] [stdout]     |                                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rot_z`
[INFO] [stdout]    --> src/main.rs:313:25
[INFO] [stdout]     |
[INFO] [stdout] 313 |                     let rot_z = Matrix4x4::new([
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_rot_z`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:330:61
[INFO] [stdout]     |
[INFO] [stdout] 330 |             buf.par_chunks_mut(4).enumerate().for_each(|(n, mut c)| {
[INFO] [stdout]     |                                                             ----^
[INFO] [stdout]     |                                                             |
[INFO] [stdout]     |                                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.80s
[INFO] running `Command { std: "docker" "inspect" "bd14c59fcaffe2a966951f0f4d291d1458db735d539ea083281f6730b8314fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd14c59fcaffe2a966951f0f4d291d1458db735d539ea083281f6730b8314fbb", kill_on_drop: false }`
[INFO] [stdout] bd14c59fcaffe2a966951f0f4d291d1458db735d539ea083281f6730b8314fbb
