[INFO] updating cached repository xea/visrs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xea/visrs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xea/visrs" "work/ex/clippy-test-run/sources/stable/gh/xea/visrs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/xea/visrs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xea/visrs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/xea/visrs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/xea/visrs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aec742ce5656d8f0bcd3b7821647cd52dccc322f
[INFO] sha for GitHub repo xea/visrs: aec742ce5656d8f0bcd3b7821647cd52dccc322f
[INFO] validating manifest of xea/visrs on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xea/visrs on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xea/visrs
[INFO] finished frobbing xea/visrs
[INFO] frobbed toml for xea/visrs written to work/ex/clippy-test-run/sources/stable/gh/xea/visrs/Cargo.toml
[INFO] started frobbing xea/visrs
[INFO] finished frobbing xea/visrs
[INFO] frobbed toml for xea/visrs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/xea/visrs/Cargo.toml
[INFO] crate xea/visrs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting xea/visrs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/xea/visrs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1a5c78c1b17fa8692e97eba46aada38f4901e0dbf9877dc0b3914894c4ce7680
[INFO] running `"docker" "start" "-a" "1a5c78c1b17fa8692e97eba46aada38f4901e0dbf9877dc0b3914894c4ce7680"`
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling serde v0.9.14
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]    Compiling x11-dl v2.13.0
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling tempfile v2.1.5
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling target_build_utils v0.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.8
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]     Checking wayland-kbd v0.6.3
[INFO] [stderr]     Checking wayland-window v0.4.4
[INFO] [stderr]     Checking winit v0.5.11
[INFO] [stderr]     Checking visrs v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `EmptyUniforms`, `UniformValue`, `UniformsStorage`
[INFO] [stderr]  --> src/main.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | use glium::uniforms::{EmptyUniforms, UniformValue, UniformsStorage};
[INFO] [stderr]   |                       ^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:30:71
[INFO] [stderr]    |
[INFO] [stderr] 30 |         (elapsed.as_secs() * 1000) as u32 + (elapsed.subsec_nanos() / 1000000) as u32
[INFO] [stderr]    |                                                                       ^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unary minus has lower precedence than method call
[INFO] [stderr]   --> src/main.rs:86:25
[INFO] [stderr]    |
[INFO] [stderr] 86 |             Vertex::new(-1.0f32.sin(), -1.0f32.cos(), 0.0),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(1.0f32.sin())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unary minus has lower precedence than method call
[INFO] [stderr]   --> src/main.rs:86:40
[INFO] [stderr]    |
[INFO] [stderr] 86 |             Vertex::new(-1.0f32.sin(), -1.0f32.cos(), 0.0),
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(1.0f32.cos())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unary minus has lower precedence than method call
[INFO] [stderr]   --> src/main.rs:87:25
[INFO] [stderr]    |
[INFO] [stderr] 87 |             Vertex::new(-0.5f32.sin(), -0.5f32.cos(), 0.0),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(0.5f32.sin())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unary minus has lower precedence than method call
[INFO] [stderr]   --> src/main.rs:87:40
[INFO] [stderr]    |
[INFO] [stderr] 87 |             Vertex::new(-0.5f32.sin(), -0.5f32.cos(), 0.0),
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(0.5f32.cos())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unary minus has lower precedence than method call
[INFO] [stderr]   --> src/main.rs:88:25
[INFO] [stderr]    |
[INFO] [stderr] 88 |             Vertex::new(-0.0f32.sin(), -0.0f32.cos(), 0.0),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(0.0f32.sin())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unary minus has lower precedence than method call
[INFO] [stderr]   --> src/main.rs:88:40
[INFO] [stderr]    |
[INFO] [stderr] 88 |             Vertex::new(-0.0f32.sin(), -0.0f32.cos(), 0.0),
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(0.0f32.cos())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:139:11
[INFO] [stderr]     |
[INFO] [stderr] 139 | fn main() -> () {
[INFO] [stderr]     |           ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:173:62
[INFO] [stderr]     |
[INFO] [stderr] 173 | fn update_state(scene: &mut Scene, state: &mut ProgramState) -> () {
[INFO] [stderr]     |                                                              ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:178:74
[INFO] [stderr]     |
[INFO] [stderr] 178 | fn draw_frame(mut frame: Frame, scene: &Scene, state: &mut ProgramState) -> () {
[INFO] [stderr]     |                                                                          ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:196:58
[INFO] [stderr]     |
[INFO] [stderr] 196 | fn handle_event(event: &Event, state: &mut ProgramState) -> () {
[INFO] [stderr]     |                                                          ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:208:38
[INFO] [stderr]     |
[INFO] [stderr] 208 | fn limit_rate(frame_start: &Instant) -> () {
[INFO] [stderr]     |                                      ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scene`
[INFO] [stderr]    --> src/main.rs:173:17
[INFO] [stderr]     |
[INFO] [stderr] 173 | fn update_state(scene: &mut Scene, state: &mut ProgramState) -> () {
[INFO] [stderr]     |                 ^^^^^ help: consider using `_scene` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]    --> src/main.rs:199:25
[INFO] [stderr]     |
[INFO] [stderr] 199 |         &Event::Resized(width, height) => (),
[INFO] [stderr]     |                         ^^^^^ help: consider using `_width` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]    --> src/main.rs:199:32
[INFO] [stderr]     |
[INFO] [stderr] 199 |         &Event::Resized(width, height) => (),
[INFO] [stderr]     |                                ^^^^^^ help: consider using `_height` instead
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `square`
[INFO] [stderr]   --> src/main.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn square() -> Shape {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `five_point_star`
[INFO] [stderr]   --> src/main.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn five_point_star() -> Shape {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cube`
[INFO] [stderr]   --> src/main.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn cube() -> Shape {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `limit_rate`
[INFO] [stderr]    --> src/main.rs:208:1
[INFO] [stderr]     |
[INFO] [stderr] 208 | fn limit_rate(frame_start: &Instant) -> () {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]   --> src/main.rs:30:45
[INFO] [stderr]    |
[INFO] [stderr] 30 |         (elapsed.as_secs() * 1000) as u32 + (elapsed.subsec_nanos() / 1000000) as u32
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `elapsed.subsec_millis()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:140:70
[INFO] [stderr]     |
[INFO] [stderr] 140 |     let settings = ScreenSettings { width: 1024, height: 768, title: format!("VisRS") };
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"VisRS".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 | /     match event {
[INFO] [stderr] 198 | |         &Event::Closed => { state.shall_continue = false; },
[INFO] [stderr] 199 | |         &Event::Resized(width, height) => (),
[INFO] [stderr] 200 | |         &Event::KeyboardInput(_, _, ref event) => match event.unwrap() {
[INFO] [stderr] ...   |
[INFO] [stderr] 204 | |         _ => ()
[INFO] [stderr] 205 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 197 |     match *event {
[INFO] [stderr] 198 |         Event::Closed => { state.shall_continue = false; },
[INFO] [stderr] 199 |         Event::Resized(width, height) => (),
[INFO] [stderr] 200 |         Event::KeyboardInput(_, _, ref event) => match event.unwrap() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:200:51
[INFO] [stderr]     |
[INFO] [stderr] 200 |           &Event::KeyboardInput(_, _, ref event) => match event.unwrap() {
[INFO] [stderr]     |  ___________________________________________________^
[INFO] [stderr] 201 | |             VirtualKeyCode::Escape => { state.shall_continue = false; },
[INFO] [stderr] 202 | |             _ => ()
[INFO] [stderr] 203 | |         },
[INFO] [stderr]     | |_________^ help: try this: `if let VirtualKeyCode::Escape = event.unwrap() { state.shall_continue = false; }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]    --> src/main.rs:209:20
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let frame_ms = frame_start.elapsed().subsec_nanos() / 1_000_000;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `frame_start.elapsed().subsec_millis()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:216:52
[INFO] [stderr]     |
[INFO] [stderr] 216 |         ::std::thread::sleep(Duration::from_millis(sleep_time as u64));
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^ help: try: `u64::from(sleep_time)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `EmptyUniforms`, `UniformValue`, `UniformsStorage`
[INFO] [stderr]  --> src/main.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | use glium::uniforms::{EmptyUniforms, UniformValue, UniformsStorage};
[INFO] [stderr]   |                       ^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:30:71
[INFO] [stderr]    |
[INFO] [stderr] 30 |         (elapsed.as_secs() * 1000) as u32 + (elapsed.subsec_nanos() / 1000000) as u32
[INFO] [stderr]    |                                                                       ^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unary minus has lower precedence than method call
[INFO] [stderr]   --> src/main.rs:86:25
[INFO] [stderr]    |
[INFO] [stderr] 86 |             Vertex::new(-1.0f32.sin(), -1.0f32.cos(), 0.0),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(1.0f32.sin())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unary minus has lower precedence than method call
[INFO] [stderr]   --> src/main.rs:86:40
[INFO] [stderr]    |
[INFO] [stderr] 86 |             Vertex::new(-1.0f32.sin(), -1.0f32.cos(), 0.0),
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(1.0f32.cos())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unary minus has lower precedence than method call
[INFO] [stderr]   --> src/main.rs:87:25
[INFO] [stderr]    |
[INFO] [stderr] 87 |             Vertex::new(-0.5f32.sin(), -0.5f32.cos(), 0.0),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(0.5f32.sin())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unary minus has lower precedence than method call
[INFO] [stderr]   --> src/main.rs:87:40
[INFO] [stderr]    |
[INFO] [stderr] 87 |             Vertex::new(-0.5f32.sin(), -0.5f32.cos(), 0.0),
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(0.5f32.cos())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unary minus has lower precedence than method call
[INFO] [stderr]   --> src/main.rs:88:25
[INFO] [stderr]    |
[INFO] [stderr] 88 |             Vertex::new(-0.0f32.sin(), -0.0f32.cos(), 0.0),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(0.0f32.sin())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unary minus has lower precedence than method call
[INFO] [stderr]   --> src/main.rs:88:40
[INFO] [stderr]    |
[INFO] [stderr] 88 |             Vertex::new(-0.0f32.sin(), -0.0f32.cos(), 0.0),
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(0.0f32.cos())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:139:11
[INFO] [stderr]     |
[INFO] [stderr] 139 | fn main() -> () {
[INFO] [stderr]     |           ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:173:62
[INFO] [stderr]     |
[INFO] [stderr] 173 | fn update_state(scene: &mut Scene, state: &mut ProgramState) -> () {
[INFO] [stderr]     |                                                              ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:178:74
[INFO] [stderr]     |
[INFO] [stderr] 178 | fn draw_frame(mut frame: Frame, scene: &Scene, state: &mut ProgramState) -> () {
[INFO] [stderr]     |                                                                          ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:196:58
[INFO] [stderr]     |
[INFO] [stderr] 196 | fn handle_event(event: &Event, state: &mut ProgramState) -> () {
[INFO] [stderr]     |                                                          ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:208:38
[INFO] [stderr]     |
[INFO] [stderr] 208 | fn limit_rate(frame_start: &Instant) -> () {
[INFO] [stderr]     |                                      ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scene`
[INFO] [stderr]    --> src/main.rs:173:17
[INFO] [stderr]     |
[INFO] [stderr] 173 | fn update_state(scene: &mut Scene, state: &mut ProgramState) -> () {
[INFO] [stderr]     |                 ^^^^^ help: consider using `_scene` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]    --> src/main.rs:199:25
[INFO] [stderr]     |
[INFO] [stderr] 199 |         &Event::Resized(width, height) => (),
[INFO] [stderr]     |                         ^^^^^ help: consider using `_width` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]    --> src/main.rs:199:32
[INFO] [stderr]     |
[INFO] [stderr] 199 |         &Event::Resized(width, height) => (),
[INFO] [stderr]     |                                ^^^^^^ help: consider using `_height` instead
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `square`
[INFO] [stderr]   --> src/main.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn square() -> Shape {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `five_point_star`
[INFO] [stderr]   --> src/main.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn five_point_star() -> Shape {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cube`
[INFO] [stderr]   --> src/main.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn cube() -> Shape {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `limit_rate`
[INFO] [stderr]    --> src/main.rs:208:1
[INFO] [stderr]     |
[INFO] [stderr] 208 | fn limit_rate(frame_start: &Instant) -> () {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]   --> src/main.rs:30:45
[INFO] [stderr]    |
[INFO] [stderr] 30 |         (elapsed.as_secs() * 1000) as u32 + (elapsed.subsec_nanos() / 1000000) as u32
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `elapsed.subsec_millis()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:140:70
[INFO] [stderr]     |
[INFO] [stderr] 140 |     let settings = ScreenSettings { width: 1024, height: 768, title: format!("VisRS") };
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"VisRS".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 | /     match event {
[INFO] [stderr] 198 | |         &Event::Closed => { state.shall_continue = false; },
[INFO] [stderr] 199 | |         &Event::Resized(width, height) => (),
[INFO] [stderr] 200 | |         &Event::KeyboardInput(_, _, ref event) => match event.unwrap() {
[INFO] [stderr] ...   |
[INFO] [stderr] 204 | |         _ => ()
[INFO] [stderr] 205 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 197 |     match *event {
[INFO] [stderr] 198 |         Event::Closed => { state.shall_continue = false; },
[INFO] [stderr] 199 |         Event::Resized(width, height) => (),
[INFO] [stderr] 200 |         Event::KeyboardInput(_, _, ref event) => match event.unwrap() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:200:51
[INFO] [stderr]     |
[INFO] [stderr] 200 |           &Event::KeyboardInput(_, _, ref event) => match event.unwrap() {
[INFO] [stderr]     |  ___________________________________________________^
[INFO] [stderr] 201 | |             VirtualKeyCode::Escape => { state.shall_continue = false; },
[INFO] [stderr] 202 | |             _ => ()
[INFO] [stderr] 203 | |         },
[INFO] [stderr]     | |_________^ help: try this: `if let VirtualKeyCode::Escape = event.unwrap() { state.shall_continue = false; }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]    --> src/main.rs:209:20
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let frame_ms = frame_start.elapsed().subsec_nanos() / 1_000_000;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `frame_start.elapsed().subsec_millis()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:216:52
[INFO] [stderr]     |
[INFO] [stderr] 216 |         ::std::thread::sleep(Duration::from_millis(sleep_time as u64));
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^ help: try: `u64::from(sleep_time)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.35s
[INFO] running `"docker" "inspect" "1a5c78c1b17fa8692e97eba46aada38f4901e0dbf9877dc0b3914894c4ce7680"`
[INFO] running `"docker" "rm" "-f" "1a5c78c1b17fa8692e97eba46aada38f4901e0dbf9877dc0b3914894c4ce7680"`
[INFO] [stdout] 1a5c78c1b17fa8692e97eba46aada38f4901e0dbf9877dc0b3914894c4ce7680