cleanup

Author: benluiwj

check_diff/src/lib.rs

@@ -74,7 +74,7 @@ pub struct RustfmtRunner {
 
 impl CheckDiffRunners {
     /// Creates a diff generated by running the source and feature binaries on the same file path
-    pub fn create_diff<'a>(
+    pub fn create_diff(
         &self,
         path: &Path,
         additional_configs: &Option<Vec<String>>,
@@ -135,8 +135,7 @@ impl RustfmtRunner {
 
         command.stdin.as_mut().unwrap().write_all(code.as_bytes())?;
         let output = command.wait_with_output()?;
-        let result = std::str::from_utf8(&output.stdout)?;
-        Ok(result.to_string())
+        Ok(std::str::from_utf8(&output.stdout)?.to_string())
     }
 }