[INFO] updating cached repository mwalczyk/spectrum_learn_rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mwalczyk/spectrum_learn_rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mwalczyk/spectrum_learn_rs" "work/ex/clippy-test-run/sources/stable/gh/mwalczyk/spectrum_learn_rs"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/mwalczyk/spectrum_learn_rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mwalczyk/spectrum_learn_rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mwalczyk/spectrum_learn_rs"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mwalczyk/spectrum_learn_rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ff55f7439c55e81f8f596dfa409e062cd06441a9 [INFO] sha for GitHub repo mwalczyk/spectrum_learn_rs: ff55f7439c55e81f8f596dfa409e062cd06441a9 [INFO] validating manifest of mwalczyk/spectrum_learn_rs 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 mwalczyk/spectrum_learn_rs 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 mwalczyk/spectrum_learn_rs [INFO] finished frobbing mwalczyk/spectrum_learn_rs [INFO] frobbed toml for mwalczyk/spectrum_learn_rs written to work/ex/clippy-test-run/sources/stable/gh/mwalczyk/spectrum_learn_rs/Cargo.toml [INFO] started frobbing mwalczyk/spectrum_learn_rs [INFO] finished frobbing mwalczyk/spectrum_learn_rs [INFO] frobbed toml for mwalczyk/spectrum_learn_rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mwalczyk/spectrum_learn_rs/Cargo.toml [INFO] crate mwalczyk/spectrum_learn_rs 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 mwalczyk/spectrum_learn_rs against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/mwalczyk/spectrum_learn_rs:/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] 990df58ca1fe129a394f5033ffcdc024960ec7680e6f5a34138ce194d251f954 [INFO] running `"docker" "start" "-a" "990df58ca1fe129a394f5033ffcdc024960ec7680e6f5a34138ce194d251f954"` [INFO] [stderr] Compiling serde v0.9.12 [INFO] [stderr] Checking lazy_static v0.2.5 [INFO] [stderr] Checking csv v0.15.0 [INFO] [stderr] Compiling gl v0.6.1 [INFO] [stderr] Checking shared_library v0.1.5 [INFO] [stderr] Checking x11-dl v2.12.0 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Compiling serde_json v0.9.9 [INFO] [stderr] Compiling target_build_utils v0.3.0 [INFO] [stderr] Compiling libloading v0.3.4 [INFO] [stderr] Checking dlib v0.3.1 [INFO] [stderr] Checking wayland-sys v0.7.8 [INFO] [stderr] Checking wayland-client v0.7.8 [INFO] [stderr] Checking wayland-kbd v0.6.3 [INFO] [stderr] Checking wayland-window v0.4.4 [INFO] [stderr] Checking winit v0.5.11 [INFO] [stderr] Checking glutin v0.7.4 [INFO] [stderr] Checking spectrum_learn_rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `GLboolean`, `GLfloat`, `GLsizeiptr` [INFO] [stderr] --> src/program.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/program.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/program.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `GLboolean`, `GLchar`, `GLenum`, `GLint`, `GLuint` [INFO] [stderr] --> src/main.rs:11:26 [INFO] [stderr] | [INFO] [stderr] 11 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean}; [INFO] [stderr] | ^^^^^^ ^^^^^^ ^^^^^ ^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: doc comment not used by rustdoc [INFO] [stderr] --> src/main.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | /// Setup the window [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_doc_comments)] on by default [INFO] [stderr] [INFO] [stderr] warning: doc comment not used by rustdoc [INFO] [stderr] --> src/main.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | /// Create a VBO and VAO for rendering the scatter plot [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: doc comment not used by rustdoc [INFO] [stderr] --> src/main.rs:98:9 [INFO] [stderr] | [INFO] [stderr] 98 | /// Create a VBO and VAO for rendering the best-fit line [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: doc comment not used by rustdoc [INFO] [stderr] --> src/main.rs:116:9 [INFO] [stderr] | [INFO] [stderr] 116 | /// Bind the shader program that will be used to draw the [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `window_size` [INFO] [stderr] --> src/main.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let window_size = window.get_inner_size(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider using `_window_size` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `shader_program` [INFO] [stderr] --> src/main.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut shader_program = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: consider using `_shader_program` instead [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let mut shader_program = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `GLboolean`, `GLfloat`, `GLsizeiptr` [INFO] [stderr] --> src/program.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/program.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/program.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `GLboolean`, `GLchar`, `GLenum`, `GLint`, `GLuint` [INFO] [stderr] --> src/main.rs:11:26 [INFO] [stderr] | [INFO] [stderr] 11 | use gl::types::{GLfloat, GLenum, GLuint, GLint, GLchar, GLsizeiptr, GLboolean}; [INFO] [stderr] | ^^^^^^ ^^^^^^ ^^^^^ ^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: doc comment not used by rustdoc [INFO] [stderr] --> src/main.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | /// Setup the window [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_doc_comments)] on by default [INFO] [stderr] [INFO] [stderr] warning: doc comment not used by rustdoc [INFO] [stderr] --> src/main.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | /// Create a VBO and VAO for rendering the scatter plot [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: doc comment not used by rustdoc [INFO] [stderr] --> src/main.rs:98:9 [INFO] [stderr] | [INFO] [stderr] 98 | /// Create a VBO and VAO for rendering the best-fit line [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: doc comment not used by rustdoc [INFO] [stderr] --> src/main.rs:116:9 [INFO] [stderr] | [INFO] [stderr] 116 | /// Bind the shader program that will be used to draw the [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Line` [INFO] [stderr] --> src/linear_regression.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Line { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Point` [INFO] [stderr] --> src/linear_regression.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Point { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `learning_rate` [INFO] [stderr] --> src/linear_regression.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn learning_rate(mut self, rate: f32) -> LinearRegression<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `unbind` [INFO] [stderr] --> src/program.rs:100:5 [INFO] [stderr] | [INFO] [stderr] 100 | pub fn unbind(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/program.rs:45:30 [INFO] [stderr] | [INFO] [stderr] 45 | let mut 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:49:26 [INFO] [stderr] | [INFO] [stderr] 49 | if 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: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result` [INFO] [stderr] --> src/program.rs:55:30 [INFO] [stderr] | [INFO] [stderr] 55 | panic!("{}", str::from_utf8(buf.as_slice()).ok().expect("ShaderInfoLog not valid utf8")); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ok_expect)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect [INFO] [stderr] [INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/program.rs:73:30 [INFO] [stderr] | [INFO] [stderr] 73 | let mut 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:77:26 [INFO] [stderr] | [INFO] [stderr] 77 | if 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: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result` [INFO] [stderr] --> src/program.rs:83:30 [INFO] [stderr] | [INFO] [stderr] 83 | panic!("{}", str::from_utf8(buf.as_slice()).ok().expect("ProgramInfoLog not valid utf8")); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | 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: transmute from a reference to a pointer [INFO] [stderr] --> src/main.rs:90:24 [INFO] [stderr] | [INFO] [stderr] 90 | mem::transmute(&points_to_draw[0]), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&points_to_draw[0] as *const f32 as *const std::ffi::c_void` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::useless_transmute)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute [INFO] [stderr] [INFO] [stderr] warning: transmute from a reference to a pointer [INFO] [stderr] --> src/main.rs:108:24 [INFO] [stderr] | [INFO] [stderr] 108 | mem::transmute(&best_fit[0]), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&best_fit[0] as *const f32 as *const std::ffi::c_void` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute [INFO] [stderr] [INFO] [stderr] warning: transmute from a reference to a pointer [INFO] [stderr] --> src/main.rs:148:35 [INFO] [stderr] | [INFO] [stderr] 148 | mem::transmute(&best_fit[0])); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&best_fit[0] as *const f32 as *const std::ffi::c_void` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:154:9 [INFO] [stderr] | [INFO] [stderr] 154 | window.swap_buffers(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let` [INFO] [stderr] --> src/main.rs:157:13 [INFO] [stderr] | [INFO] [stderr] 157 | / match event { [INFO] [stderr] 158 | | glutin::Event::Closed => return, [INFO] [stderr] 159 | | _ => () [INFO] [stderr] 160 | | } [INFO] [stderr] | |_____________^ help: try this: `if let glutin::Event::Closed = event { return }` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::single_match)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match [INFO] [stderr] [INFO] [stderr] warning: unused variable: `window_size` [INFO] [stderr] --> src/main.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let window_size = window.get_inner_size(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider using `_window_size` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `shader_program` [INFO] [stderr] --> src/main.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut shader_program = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: consider using `_shader_program` instead [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let mut shader_program = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Line` [INFO] [stderr] --> src/linear_regression.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Line { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Point` [INFO] [stderr] --> src/linear_regression.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Point { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `learning_rate` [INFO] [stderr] --> src/linear_regression.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn learning_rate(mut self, rate: f32) -> LinearRegression<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `unbind` [INFO] [stderr] --> src/program.rs:100:5 [INFO] [stderr] | [INFO] [stderr] 100 | pub fn unbind(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/program.rs:45:30 [INFO] [stderr] | [INFO] [stderr] 45 | let mut 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:49:26 [INFO] [stderr] | [INFO] [stderr] 49 | if 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: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result` [INFO] [stderr] --> src/program.rs:55:30 [INFO] [stderr] | [INFO] [stderr] 55 | panic!("{}", str::from_utf8(buf.as_slice()).ok().expect("ShaderInfoLog not valid utf8")); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ok_expect)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect [INFO] [stderr] [INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change [INFO] [stderr] --> src/program.rs:73:30 [INFO] [stderr] | [INFO] [stderr] 73 | let mut 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:77:26 [INFO] [stderr] | [INFO] [stderr] 77 | if 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: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result` [INFO] [stderr] --> src/program.rs:83:30 [INFO] [stderr] | [INFO] [stderr] 83 | panic!("{}", str::from_utf8(buf.as_slice()).ok().expect("ProgramInfoLog not valid utf8")); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | 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: transmute from a reference to a pointer [INFO] [stderr] --> src/main.rs:90:24 [INFO] [stderr] | [INFO] [stderr] 90 | mem::transmute(&points_to_draw[0]), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&points_to_draw[0] as *const f32 as *const std::ffi::c_void` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::useless_transmute)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute [INFO] [stderr] [INFO] [stderr] warning: transmute from a reference to a pointer [INFO] [stderr] --> src/main.rs:108:24 [INFO] [stderr] | [INFO] [stderr] 108 | mem::transmute(&best_fit[0]), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&best_fit[0] as *const f32 as *const std::ffi::c_void` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute [INFO] [stderr] [INFO] [stderr] warning: transmute from a reference to a pointer [INFO] [stderr] --> src/main.rs:148:35 [INFO] [stderr] | [INFO] [stderr] 148 | mem::transmute(&best_fit[0])); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&best_fit[0] as *const f32 as *const std::ffi::c_void` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:154:9 [INFO] [stderr] | [INFO] [stderr] 154 | window.swap_buffers(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let` [INFO] [stderr] --> src/main.rs:157:13 [INFO] [stderr] | [INFO] [stderr] 157 | / match event { [INFO] [stderr] 158 | | glutin::Event::Closed => return, [INFO] [stderr] 159 | | _ => () [INFO] [stderr] 160 | | } [INFO] [stderr] | |_____________^ help: try this: `if let glutin::Event::Closed = event { return }` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::single_match)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.01s [INFO] running `"docker" "inspect" "990df58ca1fe129a394f5033ffcdc024960ec7680e6f5a34138ce194d251f954"` [INFO] running `"docker" "rm" "-f" "990df58ca1fe129a394f5033ffcdc024960ec7680e6f5a34138ce194d251f954"` [INFO] [stdout] 990df58ca1fe129a394f5033ffcdc024960ec7680e6f5a34138ce194d251f954