fix new clippy introduced with 1.65

Author: mriise

actors/miner/src/testing.rs

@@ -836,7 +836,7 @@ pub fn check_deadline_state_invariants<BS: Blockstore>(
             );
 
             summary.expiration_epochs.iter().for_each(|&epoch| {
-                partitions_with_expirations.entry(epoch).or_insert(Vec::new()).push(index);
+                partitions_with_expirations.entry(epoch).or_default().push(index);
             });
 
             if summary.early_termination_count > 0 {

actors/power/src/state.rs

@@ -238,8 +238,8 @@ impl State {
     pub(super) fn update_smoothed_estimate(&mut self, delta: ChainEpoch) {
         let filter_qa_power = AlphaBetaFilter::load(
             &self.this_epoch_qa_power_smoothed,
-            &*DEFAULT_ALPHA,
-            &*DEFAULT_BETA,
+            &DEFAULT_ALPHA,
+            &DEFAULT_BETA,
         );
         self.this_epoch_qa_power_smoothed =
             filter_qa_power.next_estimate(&self.this_epoch_quality_adj_power, delta);

actors/power/src/testing.rs

@@ -126,7 +126,7 @@ fn check_cron_invariants<BS: Blockstore>(
                 );
                 events
                     .for_each(|_, event| {
-                        cron_events_by_address.entry(event.miner_addr).or_insert(Vec::new()).push(
+                        cron_events_by_address.entry(event.miner_addr).or_default().push(
                             MinerCronEvent { epoch, payload: event.callback_payload.clone() },
                         );
                         Ok(())

test_vm/src/lib.rs

@@ -392,9 +392,7 @@ impl<'bs> VM<'bs> {
 
     pub fn get_state<C: Cbor>(&self, addr: Address) -> Option<C> {
         let a_opt = self.get_actor(addr);
-        if a_opt == None {
-            return None;
-        };
+        a_opt.as_ref()?;
         let a = a_opt.unwrap();
         self.store.get_cbor::<C>(&a.head).unwrap()
     }