[INFO] updating cached repository drbawb/koko
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/drbawb/koko
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/drbawb/koko" "work/ex/clippy-test-run/sources/stable/gh/drbawb/koko"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/drbawb/koko'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/drbawb/koko" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/drbawb/koko"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/drbawb/koko'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7aed3c94ff6c27ee8d6d5097b4b1e458c351e999
[INFO] sha for GitHub repo drbawb/koko: 7aed3c94ff6c27ee8d6d5097b4b1e458c351e999
[INFO] validating manifest of drbawb/koko 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 drbawb/koko 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 drbawb/koko
[INFO] finished frobbing drbawb/koko
[INFO] frobbed toml for drbawb/koko written to work/ex/clippy-test-run/sources/stable/gh/drbawb/koko/Cargo.toml
[INFO] started frobbing drbawb/koko
[INFO] finished frobbing drbawb/koko
[INFO] frobbed toml for drbawb/koko written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/drbawb/koko/Cargo.toml
[INFO] crate drbawb/koko has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting drbawb/koko against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/drbawb/koko:/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] 00baa4337f48f9614f526df562e040f0c6f516c23695cf3527760775b1348cdf
[INFO] running `"docker" "start" "-a" "00baa4337f48f9614f526df562e040f0c6f516c23695cf3527760775b1348cdf"`
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]     Checking smallvec v0.6.4
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]     Checking parking_lot v0.6.3
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.6
[INFO] [stderr]     Checking winit v0.16.2
[INFO] [stderr]     Checking koko v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/engine.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             scale: scale,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `scale`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/graphics.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             atlas_array: atlas_array,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `atlas_array`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/graphics.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             vbuf:    vbuf,
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: replace it with: `vbuf`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/graphics.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             program: program,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `program`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/graphics.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             indices: indices,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `indices`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/engine.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             scale: scale,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `scale`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/graphics.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             atlas_array: atlas_array,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `atlas_array`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/graphics.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             vbuf:    vbuf,
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: replace it with: `vbuf`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/graphics.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             program: program,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `program`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/graphics.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             indices: indices,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `indices`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DeviceEvent`
[INFO] [stderr]  --> src/engine.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use glium::glutin::{DeviceEvent, WindowEvent, Event, EventsLoop};
[INFO] [stderr]   |                     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DeviceEvent`
[INFO] [stderr]  --> src/engine.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use glium::glutin::{DeviceEvent, WindowEvent, Event, EventsLoop};
[INFO] [stderr]   |                     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `ofs`
[INFO] [stderr]   --> src/engine.rs:96:24
[INFO] [stderr]    |
[INFO] [stderr] 96 |             writer.set(ofs + 0, Vert2 { pos: [ wx-fudge_x, wy+fudge_y,  0.0], color: [0.75, 0.0, 0.5] });
[INFO] [stderr]    |                        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[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/engine.rs:206:17
[INFO] [stderr]     |
[INFO] [stderr] 206 | /                 match evt {
[INFO] [stderr] 207 | |                     Event::WindowEvent { event, .. } => match event {
[INFO] [stderr] 208 | |                         WindowEvent::CloseRequested => self.is_running = false,
[INFO] [stderr] 209 | |                         WindowEvent::Resized(new_size) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 251 | |                     _ => {},
[INFO] [stderr] 252 | |                 }
[INFO] [stderr]     | |_________________^
[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] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 if let Event::WindowEvent { event, .. } = evt { match event {
[INFO] [stderr] 207 |     WindowEvent::CloseRequested => self.is_running = false,
[INFO] [stderr] 208 |     WindowEvent::Resized(new_size) => {
[INFO] [stderr] 209 |         self.window_dim = (
[INFO] [stderr] 210 |             new_size.width  as u32,
[INFO] [stderr] 211 |             new_size.height as u32,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/engine.rs:382:24
[INFO] [stderr]     |
[INFO] [stderr] 382 |             time_ms += time.subsec_nanos() as u64 / 1000 / 1000;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(time.subsec_nanos())`
[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: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
[INFO] [stderr]   --> src/graphics.rs:70:32
[INFO] [stderr]    |
[INFO] [stderr] 70 |             let row: Vec<u8> = (&image[start..end]).iter().cloned().collect();
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_cloned_collect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/units.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | /         match length <= 0.0 {
[INFO] [stderr] 20 | |             true  => V2f(0.0, 0.0),
[INFO] [stderr] 21 | |             false => V2f(self.0 / length, self.1 / length),
[INFO] [stderr] 22 | |         }
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if length <= 0.0 { V2f(0.0, 0.0) } else { V2f(self.0 / length, self.1 / length) }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:23:20
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let x_origin = (buf[ofs + 0] as u16) << 8 | buf[ofs + 1] as u16; ofs += 2;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `ofs`
[INFO] [stderr]   --> src/util.rs:23:25
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let x_origin = (buf[ofs + 0] as u16) << 8 | buf[ofs + 1] as u16; ofs += 2;
[INFO] [stderr]    |                         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:23:49
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let x_origin = (buf[ofs + 0] as u16) << 8 | buf[ofs + 1] as u16; ofs += 2;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let y_origin = (buf[ofs + 0] as u16) << 8 | buf[ofs + 1] as u16; ofs += 2;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `ofs`
[INFO] [stderr]   --> src/util.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let y_origin = (buf[ofs + 0] as u16) << 8 | buf[ofs + 1] as u16; ofs += 2;
[INFO] [stderr]    |                         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:24:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let y_origin = (buf[ofs + 0] as u16) << 8 | buf[ofs + 1] as u16; ofs += 2;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:26:18
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let width  = (buf[ofs + 1] as u16) << 8 | buf[ofs + 0] as u16; ofs += 2;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:26:47
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let width  = (buf[ofs + 1] as u16) << 8 | buf[ofs + 0] as u16; ofs += 2;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `ofs`
[INFO] [stderr]   --> src/util.rs:26:51
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let width  = (buf[ofs + 1] as u16) << 8 | buf[ofs + 0] as u16; ofs += 2;
[INFO] [stderr]    |                                                   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:27:18
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let height = (buf[ofs + 1] as u16) << 8 | buf[ofs + 0] as u16; ofs += 2;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:27:47
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let height = (buf[ofs + 1] as u16) << 8 | buf[ofs + 0] as u16; ofs += 2;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `ofs`
[INFO] [stderr]   --> src/util.rs:27:51
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let height = (buf[ofs + 1] as u16) << 8 | buf[ofs + 0] as u16; ofs += 2;
[INFO] [stderr]    |                                                   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `ofs + px_ofs`
[INFO] [stderr]   --> src/util.rs:51:31
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 rgba.push(buf[ofs + px_ofs + 0]);
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `ofs`
[INFO] [stderr]   --> src/engine.rs:96:24
[INFO] [stderr]    |
[INFO] [stderr] 96 |             writer.set(ofs + 0, Vert2 { pos: [ wx-fudge_x, wy+fudge_y,  0.0], color: [0.75, 0.0, 0.5] });
[INFO] [stderr]    |                        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[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/engine.rs:206:17
[INFO] [stderr]     |
[INFO] [stderr] 206 | /                 match evt {
[INFO] [stderr] 207 | |                     Event::WindowEvent { event, .. } => match event {
[INFO] [stderr] 208 | |                         WindowEvent::CloseRequested => self.is_running = false,
[INFO] [stderr] 209 | |                         WindowEvent::Resized(new_size) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 251 | |                     _ => {},
[INFO] [stderr] 252 | |                 }
[INFO] [stderr]     | |_________________^
[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] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 if let Event::WindowEvent { event, .. } = evt { match event {
[INFO] [stderr] 207 |     WindowEvent::CloseRequested => self.is_running = false,
[INFO] [stderr] 208 |     WindowEvent::Resized(new_size) => {
[INFO] [stderr] 209 |         self.window_dim = (
[INFO] [stderr] 210 |             new_size.width  as u32,
[INFO] [stderr] 211 |             new_size.height as u32,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/engine.rs:382:24
[INFO] [stderr]     |
[INFO] [stderr] 382 |             time_ms += time.subsec_nanos() as u64 / 1000 / 1000;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(time.subsec_nanos())`
[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: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
[INFO] [stderr]   --> src/graphics.rs:70:32
[INFO] [stderr]    |
[INFO] [stderr] 70 |             let row: Vec<u8> = (&image[start..end]).iter().cloned().collect();
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_cloned_collect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/units.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | /         match length <= 0.0 {
[INFO] [stderr] 20 | |             true  => V2f(0.0, 0.0),
[INFO] [stderr] 21 | |             false => V2f(self.0 / length, self.1 / length),
[INFO] [stderr] 22 | |         }
[INFO] [stderr]    | |_________^ help: consider using an if/else expression: `if length <= 0.0 { V2f(0.0, 0.0) } else { V2f(self.0 / length, self.1 / length) }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:23:20
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let x_origin = (buf[ofs + 0] as u16) << 8 | buf[ofs + 1] as u16; ofs += 2;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `ofs`
[INFO] [stderr]   --> src/util.rs:23:25
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let x_origin = (buf[ofs + 0] as u16) << 8 | buf[ofs + 1] as u16; ofs += 2;
[INFO] [stderr]    |                         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:23:49
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let x_origin = (buf[ofs + 0] as u16) << 8 | buf[ofs + 1] as u16; ofs += 2;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let y_origin = (buf[ofs + 0] as u16) << 8 | buf[ofs + 1] as u16; ofs += 2;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `ofs`
[INFO] [stderr]   --> src/util.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let y_origin = (buf[ofs + 0] as u16) << 8 | buf[ofs + 1] as u16; ofs += 2;
[INFO] [stderr]    |                         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:24:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let y_origin = (buf[ofs + 0] as u16) << 8 | buf[ofs + 1] as u16; ofs += 2;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:26:18
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let width  = (buf[ofs + 1] as u16) << 8 | buf[ofs + 0] as u16; ofs += 2;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:26:47
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let width  = (buf[ofs + 1] as u16) << 8 | buf[ofs + 0] as u16; ofs += 2;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `ofs`
[INFO] [stderr]   --> src/util.rs:26:51
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let width  = (buf[ofs + 1] as u16) << 8 | buf[ofs + 0] as u16; ofs += 2;
[INFO] [stderr]    |                                                   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:27:18
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let height = (buf[ofs + 1] as u16) << 8 | buf[ofs + 0] as u16; ofs += 2;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:27:47
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let height = (buf[ofs + 1] as u16) << 8 | buf[ofs + 0] as u16; ofs += 2;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(buf[ofs + 0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `ofs`
[INFO] [stderr]   --> src/util.rs:27:51
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let height = (buf[ofs + 1] as u16) << 8 | buf[ofs + 0] as u16; ofs += 2;
[INFO] [stderr]    |                                                   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `ofs + px_ofs`
[INFO] [stderr]   --> src/util.rs:51:31
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 rgba.push(buf[ofs + px_ofs + 0]);
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.63s
[INFO] running `"docker" "inspect" "00baa4337f48f9614f526df562e040f0c6f516c23695cf3527760775b1348cdf"`
[INFO] running `"docker" "rm" "-f" "00baa4337f48f9614f526df562e040f0c6f516c23695cf3527760775b1348cdf"`
[INFO] [stdout] 00baa4337f48f9614f526df562e040f0c6f516c23695cf3527760775b1348cdf