Better format errors

src/main.rs

@@ -277,7 +277,7 @@ where
 
 impl std::fmt::Display for Error {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "{}", self.kind)?;
+        write!(f, "{}\n", self.kind)?;
         std::fmt::Display::fmt(&self.context, f)
     }
 }