parse "gopher://null.host:0/ê\xc9\xe8\xa7ߩP.\x1c\xee\xebn\x83\x03\xd9m\x06\xff\xe4VC\x8e\x1a'g\xbf9d\x00\xd8\xcc\xce^\xcaf\x8f\xffE|\x16\xf0\xb6\xa03\xbe.P\xeb\xee\xb7\x13\xdf\x13\xf2\x00\xc4L*": net/url: invalid control character in URL