diff --git a/benchmark-new/benchmark_repository/src/lib.rs b/benchmark-new/benchmark_repository/src/lib.rs
index dc1c9cbfa..e625c9f63 100644
--- a/benchmark-new/benchmark_repository/src/lib.rs
+++ b/benchmark-new/benchmark_repository/src/lib.rs
@@ -232,14 +232,14 @@ impl BenchmarkRepository
 
 	pub fn commit_file(&self, file_path: &Path, result_file_path: &Path, branch_name: &str)
 	{
-		let reference_name = format!("refs/remotes/origin/{}", branch_name);
-		let reference = match self.repository.find_reference(&reference_name)
+		let tip_reference_name = format!("refs/remotes/origin/{}", branch_name);
+		let tip_reference = match self.repository.find_reference(&tip_reference_name)
 		{
 			Ok(value) => value,
-			Err(error) => panic!("Could not find reference “{}”: {}", reference_name, error),
+			Err(error) => panic!("Could not find reference “{}”: {}", tip_reference_name, error),
 		};
 
-		let parent_tree = match reference.peel_to_tree()
+		let parent_tree = match tip_reference.peel_to_tree()
 		{
 			Ok(value) => value,
 			Err(error) => panic!("Could not peel reference to tree: {}", error),
@@ -281,13 +281,13 @@ impl BenchmarkRepository
 		let signature = Signature::now(&self.user_name, &self.user_email).expect("Could not create signature");
 		let message = format!("Add file “{}”", result_file_path.display());
 
-		let parent = match reference.peel_to_commit()
+		let parent = match tip_reference.peel_to_commit()
 		{
 			Ok(value) => value,
 			Err(error) => panic!("Could not peel reference: {}", error),
 		};
 
-		let commit_id = match self.repository.commit(Some(&reference_name), &signature, &signature, &message, &tree, &[&parent])
+		let commit_id = match self.repository.commit(Some(&tip_reference_name), &signature, &signature, &message, &tree, &[&parent])
 		{
 			Ok(value) => value,
 			Err(error) => panic!("Could not write commit: {}", error),
@@ -303,7 +303,7 @@ impl BenchmarkRepository
 			{
 				match Cred::ssh_key_from_agent(&self.ssh_user)
 				{
-					Ok(credentials) => Ok(credentials),
+					Ok(value) => Ok(value),
 					Err(error) => panic!("could not retrieve key pair for SSH authentication as user “{}”: {}", self.ssh_user, error),
 				}
 			});