Update clippy_lints/src/format.rs

Co-authored-by: Cameron Steffen <cam.steffen94@gmail.com>

Author: smoelius

clippy_lints/src/format.rs

@@ -69,8 +69,7 @@ impl<'tcx> LateLintPass<'tcx> for UselessFormat {
                     _ => false,
                 };
                 if let Some(args) = format_args.args();
-                if args.iter().all(FormatArgsArg::is_display);
-                if !args.iter().any(FormatArgsArg::has_string_formatting);
+                if args.iter().all(|arg| arg.is_display() && !arg.has_string_formatting());
                 then {
                     let is_new_string = match value.kind {
                         ExprKind::Binary(..) => true,