chore(lint): clippy rules redundant_clone (#2554)

crates/iam/src/manager.rs

@@ -450,7 +450,7 @@ where
 
         self.cache.policy_docs.store(Arc::new(cache));
 
-        let items: Vec<_> = m.into_iter().map(|(k, v)| (k, v.policy.clone())).collect();
+        let items: Vec<_> = m.into_iter().map(|(k, v)| (k, v.policy)).collect();
 
         let futures: Vec<_> = items.iter().map(|(_, policy)| policy.match_resource(bucket_name)).collect();
 
@@ -516,7 +516,7 @@ where
 
         self.cache.policy_docs.store(Arc::new(cache));
 
-        let items: Vec<_> = m.into_iter().map(|(k, v)| (k, v.clone())).collect();
+        let items: Vec<_> = m.into_iter().collect();
 
         let futures: Vec<_> = items
             .iter()
@@ -1876,7 +1876,7 @@ fn set_default_canned_policies(policies: &mut HashMap<String, PolicyDoc>) {
 
 pub fn get_token_signing_key() -> Option<String> {
     if let Some(s) = get_global_action_cred() {
-        Some(s.secret_key.clone())
+        Some(s.secret_key)
     } else {
         None
     }
@@ -2201,7 +2201,7 @@ mod tests {
             name: Some("service-account-name".to_string()),
             description: Some("Updated service account".to_string()),
             expiration: None,
-            session_policy: Some(policy.clone()),
+            session_policy: Some(policy),
         };
 
         assert_eq!(opts.secret_key, Some("new-secret-key".to_string()));

crates/iam/src/store/object.rs

@@ -163,7 +163,7 @@ impl ObjectStore {
         let password = if !cred.access_key.is_empty() && !cred.secret_key.is_empty() {
             format!("{}:{}", cred.access_key, cred.secret_key).into_bytes()
         } else {
-            cred.secret_key.clone().into_bytes()
+            cred.secret_key.into_bytes()
         };
         let en = rustfs_crypto::encrypt_stream_io(&password, data)?;
         Ok(en)

crates/iam/src/sys.rs

@@ -967,7 +967,7 @@ impl<T: Store> IamSys<T> {
             let (effective_groups, groups_source) = match args.groups.as_ref() {
                 Some(g) if !g.is_empty() => (args.groups.clone(), "args"),
                 _ => match self.store.get_user(parent_user).await {
-                    Some(u) => (u.credentials.groups.clone(), "parent_user_credentials"),
+                    Some(u) => (u.credentials.groups, "parent_user_credentials"),
                     None => {
                         tracing::warn!(
                             parent_user = %parent_user,