Fix warnings from rustc 1.65.0

Bug: 250026064
Test: m rust
Change-Id: Id9c0d9b4c3c234baecb4da62693d0c5cdb523aa1
diff --git a/compos/src/compsvc.rs b/compos/src/compsvc.rs
index 4330bbf..0e8b9f5 100644
--- a/compos/src/compsvc.rs
+++ b/compos/src/compsvc.rs
@@ -144,7 +144,7 @@
 
 fn add_artifacts(target_dir: &Path, artifact_signer: &mut ArtifactSigner) -> Result<()> {
     for entry in
-        read_dir(&target_dir).with_context(|| format!("Traversing {}", target_dir.display()))?
+        read_dir(target_dir).with_context(|| format!("Traversing {}", target_dir.display()))?
     {
         let entry = entry?;
         let file_type = entry.file_type()?;