Addressing tidy check fail

Author: nidnogg

compiler/rustc_const_eval/src/const_eval/mod.rs

@@ -75,9 +75,14 @@ pub(crate) fn eval_to_valtree<'tcx>(
             let global_const_id = cid.display(tcx);
             match err {
                 ValTreeCreationError::NodesOverflow => {
-                    let msg = format!("maximum number of nodes exceeded in constant {}", &global_const_id);
+                    let msg = format!(
+                        "maximum number of nodes exceeded in constant {}",
+                        &global_const_id
+                    );
                     let mut diag = match tcx.hir().span_if_local(did) {
-                        Some(span) => tcx.sess.create_err(MaxNumNodesInConstErr { span, global_const_id }),
+                        Some(span) => {
+                            tcx.sess.create_err(MaxNumNodesInConstErr { span, global_const_id })
+                        }
                         None => tcx.sess.struct_err(&msg),
                     };
                     diag.emit();