[INFO] updating cached repository Tjulen/Rust_raw_openGl
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Tjulen/Rust_raw_openGl
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Tjulen/Rust_raw_openGl" "work/ex/clippy-test-run/sources/stable/gh/Tjulen/Rust_raw_openGl"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Tjulen/Rust_raw_openGl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Tjulen/Rust_raw_openGl" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Tjulen/Rust_raw_openGl"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Tjulen/Rust_raw_openGl'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f2ee9a03d2380f277f11617b5c51609354929cc9
[INFO] sha for GitHub repo Tjulen/Rust_raw_openGl: f2ee9a03d2380f277f11617b5c51609354929cc9
[INFO] validating manifest of Tjulen/Rust_raw_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 Tjulen/Rust_raw_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 Tjulen/Rust_raw_openGl
[INFO] finished frobbing Tjulen/Rust_raw_openGl
[INFO] frobbed toml for Tjulen/Rust_raw_openGl written to work/ex/clippy-test-run/sources/stable/gh/Tjulen/Rust_raw_openGl/Cargo.toml
[INFO] started frobbing Tjulen/Rust_raw_openGl
[INFO] finished frobbing Tjulen/Rust_raw_openGl
[INFO] frobbed toml for Tjulen/Rust_raw_openGl written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Tjulen/Rust_raw_openGl/Cargo.toml
[INFO] crate Tjulen/Rust_raw_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 Tjulen/Rust_raw_openGl 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/Tjulen/Rust_raw_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] 1fead28d1ff8232eadb95ece0101c888ab33ae4a43c96162c0e8b7a9f9d15d5e
[INFO] running `"docker" "start" "-a" "1fead28d1ff8232eadb95ece0101c888ab33ae4a43c96162c0e8b7a9f9d15d5e"`
[INFO] [stderr]     Checking x11-dl v2.17.3
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking glutin v0.12.2
[INFO] [stderr]     Checking open_gl_learning v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |             return shader_program as gl::types::GLuint;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `shader_program as gl::types::GLuint`
[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] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             return buffer;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: remove `return` as shown: `buffer`
[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/main.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |             return shader_program as gl::types::GLuint;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `shader_program as gl::types::GLuint`
[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] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             return buffer;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: remove `return` as shown: `buffer`
[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: unnecessary `unsafe` block
[INFO] [stderr]    --> src/main.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 |     unsafe {
[INFO] [stderr]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:42:46
[INFO] [stderr]    |
[INFO] [stderr] 42 |             let mut shader_compile_success = 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/main.rs:51:42
[INFO] [stderr]    |
[INFO] [stderr] 51 |             if shader_compile_success != 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: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:82:42
[INFO] [stderr]    |
[INFO] [stderr] 82 |             if shader_compile_success != 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: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:102:47
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let mut program_compile_success = 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/main.rs:108:43
[INFO] [stderr]     |
[INFO] [stderr] 108 |             if program_compile_success != 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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:213:41
[INFO] [stderr]     |
[INFO] [stderr] 213 |           events_loop.poll_events(|event| match event {
[INFO] [stderr]     |  _________________________________________^
[INFO] [stderr] 214 | |             glutin::Event::WindowEvent { event, .. } => match event {
[INFO] [stderr] 215 | |                 glutin::WindowEvent::Closed => running = false,
[INFO] [stderr] 216 | |                 glutin::WindowEvent::Resized(w, h) => gl_window.resize(w, h),
[INFO] [stderr] ...   |
[INFO] [stderr] 219 | |             _ => (),
[INFO] [stderr] 220 | |         });
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 213 |         events_loop.poll_events(|event| if let glutin::Event::WindowEvent { event, .. } = event { match event {
[INFO] [stderr] 214 |     glutin::WindowEvent::Closed => running = false,
[INFO] [stderr] 215 |     glutin::WindowEvent::Resized(w, h) => gl_window.resize(w, h),
[INFO] [stderr] 216 |     _ => (),
[INFO] [stderr] 217 | } });
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/main.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 |     unsafe {
[INFO] [stderr]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:42:46
[INFO] [stderr]    |
[INFO] [stderr] 42 |             let mut shader_compile_success = 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/main.rs:51:42
[INFO] [stderr]    |
[INFO] [stderr] 51 |             if shader_compile_success != 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: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:82:42
[INFO] [stderr]    |
[INFO] [stderr] 82 |             if shader_compile_success != 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: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:102:47
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let mut program_compile_success = 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/main.rs:108:43
[INFO] [stderr]     |
[INFO] [stderr] 108 |             if program_compile_success != 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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:213:41
[INFO] [stderr]     |
[INFO] [stderr] 213 |           events_loop.poll_events(|event| match event {
[INFO] [stderr]     |  _________________________________________^
[INFO] [stderr] 214 | |             glutin::Event::WindowEvent { event, .. } => match event {
[INFO] [stderr] 215 | |                 glutin::WindowEvent::Closed => running = false,
[INFO] [stderr] 216 | |                 glutin::WindowEvent::Resized(w, h) => gl_window.resize(w, h),
[INFO] [stderr] ...   |
[INFO] [stderr] 219 | |             _ => (),
[INFO] [stderr] 220 | |         });
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 213 |         events_loop.poll_events(|event| if let glutin::Event::WindowEvent { event, .. } = event { match event {
[INFO] [stderr] 214 |     glutin::WindowEvent::Closed => running = false,
[INFO] [stderr] 215 |     glutin::WindowEvent::Resized(w, h) => gl_window.resize(w, h),
[INFO] [stderr] 216 |     _ => (),
[INFO] [stderr] 217 | } });
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.35s
[INFO] running `"docker" "inspect" "1fead28d1ff8232eadb95ece0101c888ab33ae4a43c96162c0e8b7a9f9d15d5e"`
[INFO] running `"docker" "rm" "-f" "1fead28d1ff8232eadb95ece0101c888ab33ae4a43c96162c0e8b7a9f9d15d5e"`
[INFO] [stdout] 1fead28d1ff8232eadb95ece0101c888ab33ae4a43c96162c0e8b7a9f9d15d5e