parse "gopher://\vU\x9f\x1f\xc0:0/z\xbf\xbeц\x8c\xfa\xb6\xa4\xe8\xd4͞\x9b\x1b\xba\x1d\x92\xf2h\xb4\xa7o\xbc;Ó\xbe\xee.U\xb0ͽ": net/url: invalid control character in URL