E0248 Change in issue format

src/librustc_typeck/astconv.rs

@@ -1582,9 +1582,11 @@ fn base_def_to_ty(&self,
                 return self.tcx().types.err;
             }
             _ => {
-                span_err!(tcx.sess, span, E0248,
-                          "found value `{}` used as a type",
-                          tcx.item_path_str(def.def_id()));
+                struct_span_err!(tcx.sess, span, E0248,
+                           "found value `{}` used as a type",
+                            tcx.item_path_str(def.def_id()))
+                           .span_label(span, &format!("value used as a type"))
+                           .emit();
                 return self.tcx().types.err;
             }
         }