[INFO] crate uni-gl 0.1.0 is already in cache
[INFO] extracting crate uni-gl 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/uni-gl/0.1.0
[INFO] extracting crate uni-gl 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/uni-gl/0.1.0
[INFO] validating manifest of uni-gl-0.1.0 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 uni-gl-0.1.0 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 uni-gl-0.1.0
[INFO] finished frobbing uni-gl-0.1.0
[INFO] frobbed toml for uni-gl-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/uni-gl/0.1.0/Cargo.toml
[INFO] started frobbing uni-gl-0.1.0
[INFO] finished frobbing uni-gl-0.1.0
[INFO] frobbed toml for uni-gl-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/uni-gl/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 uni-gl-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/uni-gl/0.1.0:/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] 7f6e4fd8e4aa00d60c94adf402cff47e0dbdde54cbb5474e82de0abaef3c6680
[INFO] running `"docker" "start" "-a" "7f6e4fd8e4aa00d60c94adf402cff47e0dbdde54cbb5474e82de0abaef3c6680"`
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking tempfile v3.0.5
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking wayland-client v0.20.12
[INFO] [stderr]     Checking wayland-protocols v0.20.12
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.6
[INFO] [stderr]     Checking uni-gl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking winit v0.16.2
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/webgl_native.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     return unsafe {
[INFO] [stderr] 56 | |         let data = CStr::from_ptr(gl::GetString(param) as *const _)
[INFO] [stderr] 57 | |             .to_bytes()
[INFO] [stderr] 58 | |             .to_vec();
[INFO] [stderr] 59 | |         String::from_utf8(data).unwrap()
[INFO] [stderr] 60 | |     };
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 55 |     unsafe {
[INFO] [stderr] 56 |         let data = CStr::from_ptr(gl::GetString(param) as *const _)
[INFO] [stderr] 57 |             .to_bytes()
[INFO] [stderr] 58 |             .to_vec();
[INFO] [stderr] 59 |         String::from_utf8(data).unwrap()
[INFO] [stderr] 60 |     }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/webgl_native.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         return shader;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `shader`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/webgl_native.rs:279:13
[INFO] [stderr]     |
[INFO] [stderr] 279 |             return Some(location as _);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(location as _)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/webgl_native.rs:296:13
[INFO] [stderr]     |
[INFO] [stderr] 296 | /             return Some(WebGLUniformLocation {
[INFO] [stderr] 297 | |                 reference: location as _,
[INFO] [stderr] 298 | |                 name: name.into(),
[INFO] [stderr] 299 | |             });
[INFO] [stderr]     | |_______________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 296 |             Some(WebGLUniformLocation {
[INFO] [stderr] 297 |                 reference: location as _,
[INFO] [stderr] 298 |                 name: name.into(),
[INFO] [stderr] 299 |             })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/glenum.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |     Depth = 0x00000100,
[INFO] [stderr]     |             ^^^^^^^^^^ help: consider: `0x0000_0100`
[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: long literal lacking separators
[INFO] [stderr]    --> src/glenum.rs:127:15
[INFO] [stderr]     |
[INFO] [stderr] 127 |     Stencil = 0x00000400,
[INFO] [stderr]     |               ^^^^^^^^^^ help: consider: `0x0000_0400`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/glenum.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |     Color = 0x00004000,
[INFO] [stderr]     |             ^^^^^^^^^^ help: consider: `0x0000_4000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/webgl_native.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 | /     pub fn new<'p>(mut loadfn: WebGLContext<'p>) -> WebGLRenderingContext {
[INFO] [stderr] 75 | |         gl::load_with(move |name| loadfn(name));
[INFO] [stderr] 76 | | 
[INFO] [stderr] 77 | |         WebGLRenderingContext {
[INFO] [stderr] 78 | |             common: GLContext::new(),
[INFO] [stderr] 79 | |         }
[INFO] [stderr] 80 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `webgl::GLContext`
[INFO] [stderr]   --> src/webgl_native.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 | /     pub fn new() -> GLContext {
[INFO] [stderr] 85 | |         //  unsafe { gl::Enable(gl::DEPTH_TEST) };
[INFO] [stderr] 86 | |         println!("opengl {}", get_string(gl::VERSION));
[INFO] [stderr] 87 | |         println!(
[INFO] [stderr] ...  |
[INFO] [stderr] 95 | |         }
[INFO] [stderr] 96 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:182:30
[INFO] [stderr]     |
[INFO] [stderr] 182 |             let mut status = gl::FALSE as gl::types::GLint;
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::FALSE)`
[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: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:186:26
[INFO] [stderr]     |
[INFO] [stderr] 186 |             if status != (gl::TRUE as gl::types::GLint) {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::TRUE)`
[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: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/webgl_native.rs:200:21
[INFO] [stderr]     |
[INFO] [stderr] 200 |                     Err(_) => panic!("Compile shader fail, reason unknown"),
[INFO] [stderr]     |                     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:220:30
[INFO] [stderr]     |
[INFO] [stderr] 220 |             let mut status = gl::FALSE as gl::types::GLint;
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::FALSE)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:224:26
[INFO] [stderr]     |
[INFO] [stderr] 224 |             if status != (gl::TRUE as gl::types::GLint) {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::TRUE)`
[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: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/webgl_native.rs:238:21
[INFO] [stderr]     |
[INFO] [stderr] 238 |                     Err(_) => panic!("Link program fail, reason unknown"),
[INFO] [stderr]     |                     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:394:28
[INFO] [stderr]     |
[INFO] [stderr] 394 |             gl::ClearDepth(value as _);
[INFO] [stderr]     |                            ^^^^^^^^^^ help: try: `f64::from(value)`
[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: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/webgl_native.rs:432:5
[INFO] [stderr]     |
[INFO] [stderr] 432 | /     pub fn read_pixels(
[INFO] [stderr] 433 | |         &self,
[INFO] [stderr] 434 | |         x: u32,
[INFO] [stderr] 435 | |         y: u32,
[INFO] [stderr] ...   |
[INFO] [stderr] 453 | |         }
[INFO] [stderr] 454 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/webgl_native.rs:465:5
[INFO] [stderr]     |
[INFO] [stderr] 465 | /     pub fn tex_image2d(
[INFO] [stderr] 466 | |         &self,
[INFO] [stderr] 467 | |         target: TextureBindPoint,
[INFO] [stderr] 468 | |         level: u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 497 | |         check_gl_error("tex_image2d");
[INFO] [stderr] 498 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/webgl_native.rs:475:9
[INFO] [stderr]     |
[INFO] [stderr] 475 | /         let p: *const c_void;
[INFO] [stderr] 476 | | 
[INFO] [stderr] 477 | |         if pixels.len() > 0 {
[INFO] [stderr] 478 | |             p = pixels.as_ptr() as _;
[INFO] [stderr] 479 | |         } else {
[INFO] [stderr] 480 | |             p = 0 as _;
[INFO] [stderr] 481 | |         }
[INFO] [stderr]     | |_________^ help: it is more idiomatic to write: `let p = if pixels.len() > 0 { pixels.as_ptr() as _ } else { 0 as _ };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/webgl_native.rs:477:12
[INFO] [stderr]     |
[INFO] [stderr] 477 |         if pixels.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!pixels.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:486:17
[INFO] [stderr]     |
[INFO] [stderr] 486 |                 level as _,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try: `i32::from(level)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:488:17
[INFO] [stderr]     |
[INFO] [stderr] 488 |                 width as _,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try: `i32::from(width)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:489:17
[INFO] [stderr]     |
[INFO] [stderr] 489 |                 height as _,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: try: `i32::from(height)`
[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: this function has too many arguments (10/7)
[INFO] [stderr]    --> src/webgl_native.rs:501:5
[INFO] [stderr]     |
[INFO] [stderr] 501 | /     pub fn tex_sub_image2d(
[INFO] [stderr] 502 | |         &self,
[INFO] [stderr] 503 | |         target: TextureBindPoint,
[INFO] [stderr] 504 | |         level: u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 527 | |         check_gl_error("tex_sub_image2d");
[INFO] [stderr] 528 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:516:17
[INFO] [stderr]     |
[INFO] [stderr] 516 |                 level as _,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try: `i32::from(level)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:517:17
[INFO] [stderr]     |
[INFO] [stderr] 517 |                 xoffset as _,
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: try: `i32::from(xoffset)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:518:17
[INFO] [stderr]     |
[INFO] [stderr] 518 |                 yoffset as _,
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: try: `i32::from(yoffset)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:519:17
[INFO] [stderr]     |
[INFO] [stderr] 519 |                 width as _,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try: `i32::from(width)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:520:17
[INFO] [stderr]     |
[INFO] [stderr] 520 |                 height as _,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: try: `i32::from(height)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:543:17
[INFO] [stderr]     |
[INFO] [stderr] 543 |                 level as _,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try: `i32::from(level)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:545:17
[INFO] [stderr]     |
[INFO] [stderr] 545 |                 width as _,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try: `i32::from(width)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:546:17
[INFO] [stderr]     |
[INFO] [stderr] 546 |                 height as _,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: try: `i32::from(height)`
[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]     Checking glutin v0.17.0
[INFO] [stderr]     Checking uni-app v0.1.0
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/webgl_native.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     return unsafe {
[INFO] [stderr] 56 | |         let data = CStr::from_ptr(gl::GetString(param) as *const _)
[INFO] [stderr] 57 | |             .to_bytes()
[INFO] [stderr] 58 | |             .to_vec();
[INFO] [stderr] 59 | |         String::from_utf8(data).unwrap()
[INFO] [stderr] 60 | |     };
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 55 |     unsafe {
[INFO] [stderr] 56 |         let data = CStr::from_ptr(gl::GetString(param) as *const _)
[INFO] [stderr] 57 |             .to_bytes()
[INFO] [stderr] 58 |             .to_vec();
[INFO] [stderr] 59 |         String::from_utf8(data).unwrap()
[INFO] [stderr] 60 |     }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/webgl_native.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         return shader;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `shader`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/webgl_native.rs:279:13
[INFO] [stderr]     |
[INFO] [stderr] 279 |             return Some(location as _);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(location as _)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/webgl_native.rs:296:13
[INFO] [stderr]     |
[INFO] [stderr] 296 | /             return Some(WebGLUniformLocation {
[INFO] [stderr] 297 | |                 reference: location as _,
[INFO] [stderr] 298 | |                 name: name.into(),
[INFO] [stderr] 299 | |             });
[INFO] [stderr]     | |_______________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 296 |             Some(WebGLUniformLocation {
[INFO] [stderr] 297 |                 reference: location as _,
[INFO] [stderr] 298 |                 name: name.into(),
[INFO] [stderr] 299 |             })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/glenum.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |     Depth = 0x00000100,
[INFO] [stderr]     |             ^^^^^^^^^^ help: consider: `0x0000_0100`
[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: long literal lacking separators
[INFO] [stderr]    --> src/glenum.rs:127:15
[INFO] [stderr]     |
[INFO] [stderr] 127 |     Stencil = 0x00000400,
[INFO] [stderr]     |               ^^^^^^^^^^ help: consider: `0x0000_0400`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/glenum.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |     Color = 0x00004000,
[INFO] [stderr]     |             ^^^^^^^^^^ help: consider: `0x0000_4000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/webgl_native.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 | /     pub fn new<'p>(mut loadfn: WebGLContext<'p>) -> WebGLRenderingContext {
[INFO] [stderr] 75 | |         gl::load_with(move |name| loadfn(name));
[INFO] [stderr] 76 | | 
[INFO] [stderr] 77 | |         WebGLRenderingContext {
[INFO] [stderr] 78 | |             common: GLContext::new(),
[INFO] [stderr] 79 | |         }
[INFO] [stderr] 80 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `webgl::GLContext`
[INFO] [stderr]   --> src/webgl_native.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 | /     pub fn new() -> GLContext {
[INFO] [stderr] 85 | |         //  unsafe { gl::Enable(gl::DEPTH_TEST) };
[INFO] [stderr] 86 | |         println!("opengl {}", get_string(gl::VERSION));
[INFO] [stderr] 87 | |         println!(
[INFO] [stderr] ...  |
[INFO] [stderr] 95 | |         }
[INFO] [stderr] 96 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:182:30
[INFO] [stderr]     |
[INFO] [stderr] 182 |             let mut status = gl::FALSE as gl::types::GLint;
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::FALSE)`
[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: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:186:26
[INFO] [stderr]     |
[INFO] [stderr] 186 |             if status != (gl::TRUE as gl::types::GLint) {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::TRUE)`
[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: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/webgl_native.rs:200:21
[INFO] [stderr]     |
[INFO] [stderr] 200 |                     Err(_) => panic!("Compile shader fail, reason unknown"),
[INFO] [stderr]     |                     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:220:30
[INFO] [stderr]     |
[INFO] [stderr] 220 |             let mut status = gl::FALSE as gl::types::GLint;
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::FALSE)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:224:26
[INFO] [stderr]     |
[INFO] [stderr] 224 |             if status != (gl::TRUE as gl::types::GLint) {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::TRUE)`
[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: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/webgl_native.rs:238:21
[INFO] [stderr]     |
[INFO] [stderr] 238 |                     Err(_) => panic!("Link program fail, reason unknown"),
[INFO] [stderr]     |                     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:394:28
[INFO] [stderr]     |
[INFO] [stderr] 394 |             gl::ClearDepth(value as _);
[INFO] [stderr]     |                            ^^^^^^^^^^ help: try: `f64::from(value)`
[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: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/webgl_native.rs:432:5
[INFO] [stderr]     |
[INFO] [stderr] 432 | /     pub fn read_pixels(
[INFO] [stderr] 433 | |         &self,
[INFO] [stderr] 434 | |         x: u32,
[INFO] [stderr] 435 | |         y: u32,
[INFO] [stderr] ...   |
[INFO] [stderr] 453 | |         }
[INFO] [stderr] 454 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/webgl_native.rs:465:5
[INFO] [stderr]     |
[INFO] [stderr] 465 | /     pub fn tex_image2d(
[INFO] [stderr] 466 | |         &self,
[INFO] [stderr] 467 | |         target: TextureBindPoint,
[INFO] [stderr] 468 | |         level: u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 497 | |         check_gl_error("tex_image2d");
[INFO] [stderr] 498 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/webgl_native.rs:475:9
[INFO] [stderr]     |
[INFO] [stderr] 475 | /         let p: *const c_void;
[INFO] [stderr] 476 | | 
[INFO] [stderr] 477 | |         if pixels.len() > 0 {
[INFO] [stderr] 478 | |             p = pixels.as_ptr() as _;
[INFO] [stderr] 479 | |         } else {
[INFO] [stderr] 480 | |             p = 0 as _;
[INFO] [stderr] 481 | |         }
[INFO] [stderr]     | |_________^ help: it is more idiomatic to write: `let p = if pixels.len() > 0 { pixels.as_ptr() as _ } else { 0 as _ };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/webgl_native.rs:477:12
[INFO] [stderr]     |
[INFO] [stderr] 477 |         if pixels.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!pixels.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:486:17
[INFO] [stderr]     |
[INFO] [stderr] 486 |                 level as _,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try: `i32::from(level)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:488:17
[INFO] [stderr]     |
[INFO] [stderr] 488 |                 width as _,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try: `i32::from(width)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:489:17
[INFO] [stderr]     |
[INFO] [stderr] 489 |                 height as _,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: try: `i32::from(height)`
[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: this function has too many arguments (10/7)
[INFO] [stderr]    --> src/webgl_native.rs:501:5
[INFO] [stderr]     |
[INFO] [stderr] 501 | /     pub fn tex_sub_image2d(
[INFO] [stderr] 502 | |         &self,
[INFO] [stderr] 503 | |         target: TextureBindPoint,
[INFO] [stderr] 504 | |         level: u8,
[INFO] [stderr] ...   |
[INFO] [stderr] 527 | |         check_gl_error("tex_sub_image2d");
[INFO] [stderr] 528 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:516:17
[INFO] [stderr]     |
[INFO] [stderr] 516 |                 level as _,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try: `i32::from(level)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:517:17
[INFO] [stderr]     |
[INFO] [stderr] 517 |                 xoffset as _,
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: try: `i32::from(xoffset)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:518:17
[INFO] [stderr]     |
[INFO] [stderr] 518 |                 yoffset as _,
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: try: `i32::from(yoffset)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:519:17
[INFO] [stderr]     |
[INFO] [stderr] 519 |                 width as _,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try: `i32::from(width)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:520:17
[INFO] [stderr]     |
[INFO] [stderr] 520 |                 height as _,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: try: `i32::from(height)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:543:17
[INFO] [stderr]     |
[INFO] [stderr] 543 |                 level as _,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try: `i32::from(level)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:545:17
[INFO] [stderr]     |
[INFO] [stderr] 545 |                 width as _,
[INFO] [stderr]     |                 ^^^^^^^^^^ help: try: `i32::from(width)`
[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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/webgl_native.rs:546:17
[INFO] [stderr]     |
[INFO] [stderr] 546 |                 height as _,
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: try: `i32::from(height)`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 35.10s
[INFO] running `"docker" "inspect" "7f6e4fd8e4aa00d60c94adf402cff47e0dbdde54cbb5474e82de0abaef3c6680"`
[INFO] running `"docker" "rm" "-f" "7f6e4fd8e4aa00d60c94adf402cff47e0dbdde54cbb5474e82de0abaef3c6680"`
[INFO] [stdout] 7f6e4fd8e4aa00d60c94adf402cff47e0dbdde54cbb5474e82de0abaef3c6680