[INFO] updating cached repository ruipserra/learn_opengl [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ruipserra/learn_opengl [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ruipserra/learn_opengl" "work/ex/clippy-test-run/sources/stable/gh/ruipserra/learn_opengl"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ruipserra/learn_opengl'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ruipserra/learn_opengl" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ruipserra/learn_opengl"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ruipserra/learn_opengl'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6c7a16edad007d27d9baba52d5b0f42e75a9d96b [INFO] sha for GitHub repo ruipserra/learn_opengl: 6c7a16edad007d27d9baba52d5b0f42e75a9d96b [INFO] validating manifest of ruipserra/learn_opengl 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 ruipserra/learn_opengl 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 ruipserra/learn_opengl [INFO] finished frobbing ruipserra/learn_opengl [INFO] frobbed toml for ruipserra/learn_opengl written to work/ex/clippy-test-run/sources/stable/gh/ruipserra/learn_opengl/Cargo.toml [INFO] started frobbing ruipserra/learn_opengl [INFO] finished frobbing ruipserra/learn_opengl [INFO] frobbed toml for ruipserra/learn_opengl written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ruipserra/learn_opengl/Cargo.toml [INFO] crate ruipserra/learn_opengl 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 ruipserra/learn_opengl against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/ruipserra/learn_opengl:/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] 907b348e9ce3dc18f40cf7fbb35edd0a88f5d6832aac6ae4cbfbf820be573e0d [INFO] running `"docker" "start" "-a" "907b348e9ce3dc18f40cf7fbb35edd0a88f5d6832aac6ae4cbfbf820be573e0d"` [INFO] [stderr] Compiling siphasher v0.2.1 [INFO] [stderr] Compiling serde v0.8.23 [INFO] [stderr] Checking num_cpus v1.3.0 [INFO] [stderr] Compiling x11-dl v2.12.0 [INFO] [stderr] Checking num-integer v0.1.33 [INFO] [stderr] Checking deflate v0.7.5 [INFO] [stderr] Compiling wayland-scanner v0.7.7 [INFO] [stderr] Compiling glutin v0.7.4 [INFO] [stderr] Checking rayon v0.6.0 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Checking num-iter v0.1.33 [INFO] [stderr] Checking num-rational v0.1.36 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Checking png v0.6.2 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling wayland-client v0.7.7 [INFO] [stderr] Checking jpeg-decoder v0.1.11 [INFO] [stderr] Compiling target_build_utils v0.1.2 [INFO] [stderr] Checking image v0.12.3 [INFO] [stderr] Compiling serde_json v0.8.6 [INFO] [stderr] Compiling libloading v0.3.1 [INFO] [stderr] Checking dlib v0.3.1 [INFO] [stderr] Checking wayland-sys v0.7.7 [INFO] [stderr] Checking wayland-kbd v0.6.3 [INFO] [stderr] Checking wayland-window v0.4.4 [INFO] [stderr] Checking winit v0.5.10 [INFO] [stderr] Checking learn_opengl v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: method is never used: `from_extension` [INFO] [stderr] --> src/program.rs:115:5 [INFO] [stderr] | [INFO] [stderr] 115 | fn from_extension(ext: &str) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/program.rs:36:31 [INFO] [stderr] | [INFO] [stderr] 36 | let mut link_status = gl::FALSE as 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/program.rs:58:27 [INFO] [stderr] | [INFO] [stderr] 58 | if link_status == (gl::TRUE as 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: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/program.rs:161:34 [INFO] [stderr] | [INFO] [stderr] 161 | let mut compile_status = gl::FALSE as 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/program.rs:169:30 [INFO] [stderr] | [INFO] [stderr] 169 | if compile_status == (gl::TRUE as 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: redundant closure found [INFO] [stderr] --> src/program.rs:208:26 [INFO] [stderr] | [INFO] [stderr] 208 | .map_err(|e| SourceCompilerError::ShaderCreationError(e))?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `SourceCompilerError::ShaderCreationError` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_closure)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure [INFO] [stderr] [INFO] [stderr] warning: redundant closure found [INFO] [stderr] --> src/program.rs:213:41 [INFO] [stderr] | [INFO] [stderr] 213 | Program::link(&shaders).map_err(|e| SourceCompilerError::ProgramCreationError(e)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `SourceCompilerError::ProgramCreationError` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure [INFO] [stderr] [INFO] [stderr] warning: method is never used: `from_extension` [INFO] [stderr] --> src/program.rs:115:5 [INFO] [stderr] | [INFO] [stderr] 115 | fn from_extension(ext: &str) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/program.rs:36:31 [INFO] [stderr] | [INFO] [stderr] 36 | let mut link_status = gl::FALSE as 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/program.rs:58:27 [INFO] [stderr] | [INFO] [stderr] 58 | if link_status == (gl::TRUE as 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: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/program.rs:161:34 [INFO] [stderr] | [INFO] [stderr] 161 | let mut compile_status = gl::FALSE as 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/program.rs:169:30 [INFO] [stderr] | [INFO] [stderr] 169 | if compile_status == (gl::TRUE as 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: redundant closure found [INFO] [stderr] --> src/program.rs:208:26 [INFO] [stderr] | [INFO] [stderr] 208 | .map_err(|e| SourceCompilerError::ShaderCreationError(e))?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `SourceCompilerError::ShaderCreationError` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_closure)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure [INFO] [stderr] [INFO] [stderr] warning: redundant closure found [INFO] [stderr] --> src/program.rs:213:41 [INFO] [stderr] | [INFO] [stderr] 213 | Program::link(&shaders).map_err(|e| SourceCompilerError::ProgramCreationError(e)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `SourceCompilerError::ProgramCreationError` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure [INFO] [stderr] [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/02_hello_triangle.rs:17:27 [INFO] [stderr] | [INFO] [stderr] 17 | const VERTEX_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::const_static_lifetime)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/02_hello_triangle.rs:27:29 [INFO] [stderr] | [INFO] [stderr] 27 | const FRAGMENT_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/05_colors_in_vertex_data.rs:10:27 [INFO] [stderr] | [INFO] [stderr] 10 | const VERTEX_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::const_static_lifetime)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/05_colors_in_vertex_data.rs:24:29 [INFO] [stderr] | [INFO] [stderr] 24 | const FRAGMENT_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/02_hello_triangle.rs:140:30 [INFO] [stderr] | [INFO] [stderr] 140 | let mut compile_status = gl::FALSE as 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/bin/02_hello_triangle.rs:164:26 [INFO] [stderr] | [INFO] [stderr] 164 | if compile_status == (gl::TRUE as 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: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/02_hello_triangle.rs:206:27 [INFO] [stderr] | [INFO] [stderr] 206 | let mut link_status = gl::FALSE as 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/bin/02_hello_triangle.rs:225:23 [INFO] [stderr] | [INFO] [stderr] 225 | if link_status == (gl::TRUE as 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: `0 as *const _` detected. Consider using `ptr::null()` [INFO] [stderr] --> src/bin/05_colors_in_vertex_data.rs:64:69 [INFO] [stderr] | [INFO] [stderr] 64 | gl::VertexAttribPointer(0, 3, gl::FLOAT, gl::FALSE, stride, 0 as *const GLvoid); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::zero_ptr)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr [INFO] [stderr] [INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/05_colors_in_vertex_data.rs:134:30 [INFO] [stderr] | [INFO] [stderr] 134 | let mut compile_status = gl::FALSE as 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/bin/05_colors_in_vertex_data.rs:144:26 [INFO] [stderr] | [INFO] [stderr] 144 | if compile_status == (gl::TRUE as 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: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/05_colors_in_vertex_data.rs:168:27 [INFO] [stderr] | [INFO] [stderr] 168 | let mut link_status = gl::FALSE as 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/bin/05_colors_in_vertex_data.rs:179:23 [INFO] [stderr] | [INFO] [stderr] 179 | if link_status == (gl::TRUE as 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: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/04_shader_uniforms.rs:11:27 [INFO] [stderr] | [INFO] [stderr] 11 | const VERTEX_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::const_static_lifetime)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/04_shader_uniforms.rs:21:29 [INFO] [stderr] | [INFO] [stderr] 21 | const FRAGMENT_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/03_hello_rectangle.rs:23:27 [INFO] [stderr] | [INFO] [stderr] 23 | const VERTEX_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::const_static_lifetime)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/03_hello_rectangle.rs:33:29 [INFO] [stderr] | [INFO] [stderr] 33 | const FRAGMENT_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: `0 as *const _` detected. Consider using `ptr::null()` [INFO] [stderr] --> src/bin/03_hello_rectangle.rs:89:17 [INFO] [stderr] | [INFO] [stderr] 89 | 0 as *const GLvoid // An offset to the first index. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::zero_ptr)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr [INFO] [stderr] [INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/03_hello_rectangle.rs:144:30 [INFO] [stderr] | [INFO] [stderr] 144 | let mut compile_status = gl::FALSE as 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/bin/03_hello_rectangle.rs:154:26 [INFO] [stderr] | [INFO] [stderr] 154 | if compile_status == (gl::TRUE as 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: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/03_hello_rectangle.rs:178:27 [INFO] [stderr] | [INFO] [stderr] 178 | let mut link_status = gl::FALSE as 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/bin/03_hello_rectangle.rs:189:23 [INFO] [stderr] | [INFO] [stderr] 189 | if link_status == (gl::TRUE as 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: casting u32 to u64 may become silently lossy if types change [INFO] [stderr] --> src/bin/04_shader_uniforms.rs:110:54 [INFO] [stderr] | [INFO] [stderr] 110 | let elapsed_in_ms = (elapsed.as_secs() * 1_000 + (elapsed.subsec_nanos() / 1_000_000) as u64) as f32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(elapsed.subsec_nanos() / 1_000_000)` [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/06_textures.rs:18:27 [INFO] [stderr] | [INFO] [stderr] 18 | const VERTEX_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::const_static_lifetime)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/06_textures.rs:36:29 [INFO] [stderr] | [INFO] [stderr] 36 | const FRAGMENT_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [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: Calling `subsec_millis()` is more concise than this calculation [INFO] [stderr] --> src/bin/04_shader_uniforms.rs:110:54 [INFO] [stderr] | [INFO] [stderr] 110 | let elapsed_in_ms = (elapsed.as_secs() * 1_000 + (elapsed.subsec_nanos() / 1_000_000) as u64) as f32; [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: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/04_shader_uniforms.rs:148:30 [INFO] [stderr] | [INFO] [stderr] 148 | let mut compile_status = gl::FALSE as 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/bin/04_shader_uniforms.rs:158:26 [INFO] [stderr] | [INFO] [stderr] 158 | if compile_status == (gl::TRUE as 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: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/04_shader_uniforms.rs:182:27 [INFO] [stderr] | [INFO] [stderr] 182 | let mut link_status = gl::FALSE as 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/bin/04_shader_uniforms.rs:193:23 [INFO] [stderr] | [INFO] [stderr] 193 | if link_status == (gl::TRUE as 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: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/bin/06_textures.rs:97:33 [INFO] [stderr] | [INFO] [stderr] 97 | gl::VertexAttribPointer(POSITION_LOCATION as GLuint, VALUES_PER_POSITION as GLint, gl::FLOAT, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(POSITION_LOCATION)` [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/bin/06_textures.rs:97:62 [INFO] [stderr] | [INFO] [stderr] 97 | gl::VertexAttribPointer(POSITION_LOCATION as GLuint, VALUES_PER_POSITION as GLint, gl::FLOAT, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(VALUES_PER_POSITION)` [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] error: this operation will always return zero. This is likely not the intended outcome [INFO] [stderr] --> src/bin/06_textures.rs:98:32 [INFO] [stderr] | [INFO] [stderr] 98 | gl::FALSE, stride, (0 * gl_float_size) as *const GLvoid); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::erasing_op)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op [INFO] [stderr] [INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/bin/06_textures.rs:99:37 [INFO] [stderr] | [INFO] [stderr] 99 | gl::EnableVertexAttribArray(POSITION_LOCATION as GLuint); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(POSITION_LOCATION)` [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 u32 may become silently lossy if types change [INFO] [stderr] --> src/bin/06_textures.rs:102:33 [INFO] [stderr] | [INFO] [stderr] 102 | gl::VertexAttribPointer(COLOR_LOCATION as GLuint, VALUES_PER_COLOR as GLint, gl::FLOAT, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(COLOR_LOCATION)` [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/bin/06_textures.rs:102:59 [INFO] [stderr] | [INFO] [stderr] 102 | gl::VertexAttribPointer(COLOR_LOCATION as GLuint, VALUES_PER_COLOR as GLint, gl::FLOAT, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(VALUES_PER_COLOR)` [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 u32 may become silently lossy if types change [INFO] [stderr] --> src/bin/06_textures.rs:104:37 [INFO] [stderr] | [INFO] [stderr] 104 | gl::EnableVertexAttribArray(COLOR_LOCATION as GLuint); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(COLOR_LOCATION)` [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 u32 may become silently lossy if types change [INFO] [stderr] --> src/bin/06_textures.rs:107:33 [INFO] [stderr] | [INFO] [stderr] 107 | gl::VertexAttribPointer(TEX_COORD_LOCATION as GLuint, VALUES_PER_TEX_COORD as GLint, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(TEX_COORD_LOCATION)` [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/bin/06_textures.rs:107:63 [INFO] [stderr] | [INFO] [stderr] 107 | gl::VertexAttribPointer(TEX_COORD_LOCATION as GLuint, VALUES_PER_TEX_COORD as GLint, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(VALUES_PER_TEX_COORD)` [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 u32 may become silently lossy if types change [INFO] [stderr] --> src/bin/06_textures.rs:109:37 [INFO] [stderr] | [INFO] [stderr] 109 | gl::EnableVertexAttribArray(TEX_COORD_LOCATION as GLuint); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(TEX_COORD_LOCATION)` [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: `0 as *const _` detected. Consider using `ptr::null()` [INFO] [stderr] --> src/bin/06_textures.rs:143:89 [INFO] [stderr] | [INFO] [stderr] 143 | gl::DrawElements(gl::TRIANGLES, INDICES.len() as GLsizei, gl::UNSIGNED_INT, 0 as *const GLvoid); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::zero_ptr)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr [INFO] [stderr] [INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/06_textures.rs:191:30 [INFO] [stderr] | [INFO] [stderr] 191 | let mut compile_status = gl::FALSE as 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/bin/06_textures.rs:201:26 [INFO] [stderr] | [INFO] [stderr] 201 | if compile_status == (gl::TRUE as 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: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/06_textures.rs:225:27 [INFO] [stderr] | [INFO] [stderr] 225 | let mut link_status = gl::FALSE as 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/bin/06_textures.rs:236:23 [INFO] [stderr] | [INFO] [stderr] 236 | if link_status == (gl::TRUE as 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] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `learn_opengl`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/03_hello_rectangle.rs:23:27 [INFO] [stderr] | [INFO] [stderr] 23 | const VERTEX_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::const_static_lifetime)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/03_hello_rectangle.rs:33:29 [INFO] [stderr] | [INFO] [stderr] 33 | const FRAGMENT_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: `0 as *const _` detected. Consider using `ptr::null()` [INFO] [stderr] --> src/bin/03_hello_rectangle.rs:89:17 [INFO] [stderr] | [INFO] [stderr] 89 | 0 as *const GLvoid // An offset to the first index. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::zero_ptr)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr [INFO] [stderr] [INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/03_hello_rectangle.rs:144:30 [INFO] [stderr] | [INFO] [stderr] 144 | let mut compile_status = gl::FALSE as 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/bin/03_hello_rectangle.rs:154:26 [INFO] [stderr] | [INFO] [stderr] 154 | if compile_status == (gl::TRUE as 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: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/03_hello_rectangle.rs:178:27 [INFO] [stderr] | [INFO] [stderr] 178 | let mut link_status = gl::FALSE as 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: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/05_colors_in_vertex_data.rs:10:27 [INFO] [stderr] | [INFO] [stderr] 10 | const VERTEX_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::const_static_lifetime)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/05_colors_in_vertex_data.rs:24:29 [INFO] [stderr] | [INFO] [stderr] 24 | const FRAGMENT_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/03_hello_rectangle.rs:189:23 [INFO] [stderr] | [INFO] [stderr] 189 | if link_status == (gl::TRUE as 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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/01_hello_window.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | unsafe { window.make_current() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `0 as *const _` detected. Consider using `ptr::null()` [INFO] [stderr] --> src/bin/05_colors_in_vertex_data.rs:64:69 [INFO] [stderr] | [INFO] [stderr] 64 | gl::VertexAttribPointer(0, 3, gl::FLOAT, gl::FALSE, stride, 0 as *const GLvoid); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::zero_ptr)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr [INFO] [stderr] [INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/05_colors_in_vertex_data.rs:134:30 [INFO] [stderr] | [INFO] [stderr] 134 | let mut compile_status = gl::FALSE as 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/bin/05_colors_in_vertex_data.rs:144:26 [INFO] [stderr] | [INFO] [stderr] 144 | if compile_status == (gl::TRUE as 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: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/05_colors_in_vertex_data.rs:168:27 [INFO] [stderr] | [INFO] [stderr] 168 | let mut link_status = gl::FALSE as 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/bin/05_colors_in_vertex_data.rs:179:23 [INFO] [stderr] | [INFO] [stderr] 179 | if link_status == (gl::TRUE as 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: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/02b_hello_triangle.rs:18:27 [INFO] [stderr] | [INFO] [stderr] 18 | const VERTEX_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::const_static_lifetime)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/02b_hello_triangle.rs:28:29 [INFO] [stderr] | [INFO] [stderr] 28 | const FRAGMENT_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/02_hello_triangle.rs:17:27 [INFO] [stderr] | [INFO] [stderr] 17 | const VERTEX_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::const_static_lifetime)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/bin/02_hello_triangle.rs:27:29 [INFO] [stderr] | [INFO] [stderr] 27 | const FRAGMENT_SHADER_SRC: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/01_hello_window.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | unsafe { window.make_current() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/02_hello_triangle.rs:140:30 [INFO] [stderr] | [INFO] [stderr] 140 | let mut compile_status = gl::FALSE as 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/bin/02_hello_triangle.rs:164:26 [INFO] [stderr] | [INFO] [stderr] 164 | if compile_status == (gl::TRUE as 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: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/bin/02_hello_triangle.rs:206:27 [INFO] [stderr] | [INFO] [stderr] 206 | let mut link_status = gl::FALSE as 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/bin/02_hello_triangle.rs:225:23 [INFO] [stderr] | [INFO] [stderr] 225 | if link_status == (gl::TRUE as 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] error: build failed [INFO] running `"docker" "inspect" "907b348e9ce3dc18f40cf7fbb35edd0a88f5d6832aac6ae4cbfbf820be573e0d"` [INFO] running `"docker" "rm" "-f" "907b348e9ce3dc18f40cf7fbb35edd0a88f5d6832aac6ae4cbfbf820be573e0d"` [INFO] [stdout] 907b348e9ce3dc18f40cf7fbb35edd0a88f5d6832aac6ae4cbfbf820be573e0d