parse "gopher://null.host:0/\u009e\xf2\xacE\x82\x82\"\xac~R\xd7\xca\xf3t\xad\xbc\xbe\xdbV\xae\xfd_ie\x91\xf5\xa2\x15\x98Y\xfd?": net/url: invalid control character in URL