allow static_mut_refs temporarily

This is unreleated to the wasmtime gem bump and will be tackled separately.

Author: jacobsteves

src/lib.rs

@@ -40,6 +40,7 @@ fn setup_store<T>(store: &mut Store<T>, weight_unit: WeightUnit) {
         }
         WeightUnit::Nanoseconds => {
             store.epoch_deadline_callback(move |context| {
+                #[allow(static_mut_refs)]
                 if let Some(ticker) = unsafe { TICKER.as_ref() } {
                     let weight = ticker.duration().as_nanos();
 
@@ -104,6 +105,7 @@ impl<'a, T> ProfilerBuilder<'a, T> {
 
         let fn_return = f(self.store);
 
+        #[allow(static_mut_refs)]
         let ticker = unsafe { TICKER.take() };
         if let Some(ticker) = ticker {
             ticker.end().unwrap();
@@ -139,7 +141,10 @@ impl<'a, T> ProfilerBuilder<'a, T> {
             samples.push(sample);
         }
 
-        unsafe { ENGINE.take() };
+        unsafe {
+            #[allow(static_mut_refs)]
+            ENGINE.take()
+        };
 
         (
             fn_return,

src/ticker/thread.rs

@@ -19,6 +19,7 @@ impl TickerImpl {
                 Err(std::sync::mpsc::TryRecvError::Empty) => (),
             }
             spin_sleep::sleep(sleep_duration);
+            #[allow(static_mut_refs)]
             if let Some(engine) = unsafe { ENGINE.as_ref() } {
                 engine.increment_epoch();
             }