Replace log with tracing

Tracing is a modern replacement for the log crate that allows for
annotating log messages with the function that they come from.

Signed-off-by: John Nunley <dev@notgull.net>
Closes: #3482

examples/control_flow.rs

@@ -6,7 +6,6 @@ use std::time;
 #[cfg(web_platform)]
 use web_time as time;
 
-use simple_logger::SimpleLogger;
 use winit::{
     event::{ElementState, Event, KeyEvent, WindowEvent},
     event_loop::{ControlFlow, EventLoop},
@@ -28,7 +27,7 @@ const WAIT_TIME: time::Duration = time::Duration::from_millis(100);
 const POLL_SLEEP_TIME: time::Duration = time::Duration::from_millis(100);
 
 fn main() -> Result<(), impl std::error::Error> {
-    SimpleLogger::new().init().unwrap();
+    tracing_subscriber::fmt::init();
 
     println!("Press '1' to switch to Wait mode.");
     println!("Press '2' to switch to WaitUntil mode.");

examples/pump_events.rs

@@ -11,7 +11,6 @@
 fn main() -> std::process::ExitCode {
     use std::{process::ExitCode, thread::sleep, time::Duration};
 
-    use simple_logger::SimpleLogger;
     use winit::{
         event::{Event, WindowEvent},
         event_loop::EventLoop,
@@ -24,7 +23,7 @@ fn main() -> std::process::ExitCode {
 
     let mut event_loop = EventLoop::new().unwrap();
 
-    SimpleLogger::new().init().unwrap();
+    tracing_subscriber::fmt::init();
 
     let mut window = None;
 

examples/run_on_demand.rs

@@ -5,8 +5,6 @@
 fn main() -> Result<(), impl std::error::Error> {
     use std::time::Duration;
 
-    use simple_logger::SimpleLogger;
-
     use winit::{
         error::EventLoopError,
         event::{Event, WindowEvent},
@@ -24,7 +22,7 @@ fn main() -> Result<(), impl std::error::Error> {
         window: Option<Window>,
     }
 
-    SimpleLogger::new().init().unwrap();
+    tracing_subscriber::fmt::init();
     let mut event_loop = EventLoop::new().unwrap();
 
     fn run_app(event_loop: &mut EventLoop<()>, idx: usize) -> Result<(), EventLoopError> {

examples/x11_embed.rs

@@ -3,8 +3,6 @@ use std::error::Error;
 
 #[cfg(x11_platform)]
 fn main() -> Result<(), Box<dyn Error>> {
-    use simple_logger::SimpleLogger;
-
     use winit::{
         event::{Event, WindowEvent},
         event_loop::EventLoop,
@@ -21,7 +19,7 @@ fn main() -> Result<(), Box<dyn Error>> {
         .ok_or("Expected a 32-bit X11 window ID as the first argument.")?
         .parse::<u32>()?;
 
-    SimpleLogger::new().init().unwrap();
+    tracing_subscriber::fmt::init();
     let event_loop = EventLoop::new()?;
 
     let mut window = None;