Fix warnings from Rust 1.65.0

Bug: 250026064
Test: m rust
Change-Id: I264dc2c92525a64f91706a0015d61d16c9cb4d6c
diff --git a/virtualizationmanager/src/crosvm.rs b/virtualizationmanager/src/crosvm.rs
index 98e7d99..b6109c6 100644
--- a/virtualizationmanager/src/crosvm.rs
+++ b/virtualizationmanager/src/crosvm.rs
@@ -376,7 +376,7 @@
             &self.name,
             death_reason,
             exit_signal,
-            &*vm_metric,
+            &vm_metric,
         );
 
         // Delete temporary files. The folder itself is removed by VirtualizationServiceInternal.