parse "gopher://null.host:0/\u00a0\xf4\x95@\xff\x02j\rh= \uf540\xc2\x04\xda\b\xa8.\xa0\x99\x80J\vTT\xa0\xe9\x80\x02\x01\r\x05\xf4\xa1@/\xee\x01\xfa\x06PQ@\x9f\x02\xea(\xd0i\x81\x9a\x03\xca": net/url: invalid control character in URL