       "Some source files could not be parsed correctly and are excluded:\n"
     ]
 
-    UI.puts(output)
+    UI.warn(output)
 
     print_numbered_list(invalid_source_filenames)
   end

      "get the most out of Credo!\n"
    ]

    UI.puts()
    UI.puts(msg)

    skipped_checks
    |> Enum.map(&check_name/1)

      "Some source files were not parsed in the time allotted:\n"
    ]

    UI.warn(output)

    print_numbered_list(large_source_filenames)
  end
