parse "gopher://null.host:0/c\xb3\x82`U\x84U.\xf7\x86\xd6k3\xde\xe6\xc5O\xd2\x1ac\x8fl\xe3S\xaa\xcbRw\x0f\xf8=\xdeQ\x17\x1d\xb1w\\\xbfu1S6r\xd0D^\x15\x15S}Ȁ\xbe\x92-\xd6\xef": net/url: invalid control character in URL