Fix warnings (#2076)

* examples: Fix unused `Result` that must be used when initializing console_log

* examples: Fix unused imports

* Fix unread name field warning in linux x11 ime InputMethod struct

* Fix unread name field warning in linux x11 Device struct

* Ignore unread field warning in macos/ios MonitorHandle struct

* ci: Add `--deny warnings` to `RUSTFLAGS`

examples/request_redraw_threaded.rs

@@ -1,14 +1,14 @@
-use std::{thread, time};
-
-use simple_logger::SimpleLogger;
-use winit::{
-    event::{Event, WindowEvent},
-    event_loop::{ControlFlow, EventLoop},
-    window::WindowBuilder,
-};
-
 #[cfg(not(target_arch = "wasm32"))]
 fn main() {
+    use std::{thread, time};
+
+    use simple_logger::SimpleLogger;
+    use winit::{
+        event::{Event, WindowEvent},
+        event_loop::{ControlFlow, EventLoop},
+        window::WindowBuilder,
+    };
+
     SimpleLogger::new().init().unwrap();
     let event_loop = EventLoop::new();
 

examples/web.rs

@@ -51,7 +51,7 @@ mod wasm {
 
     #[wasm_bindgen(start)]
     pub fn run() {
-        console_log::init_with_level(log::Level::Debug);
+        console_log::init_with_level(log::Level::Debug).expect("error initializing logger");
 
         super::main();
     }