Limit literal_string_with_formatting_args to known variables if no formatting argument is passed

lintcheck/src/main.rs

@@ -18,7 +18,7 @@
     clippy::collapsible_else_if,
     clippy::needless_borrows_for_generic_args,
     clippy::module_name_repetitions,
-    clippy::literal_string_with_formatting_arg
+    clippy::literal_string_with_formatting_args
 )]
 
 mod config;