parse "gopher://null.host:0/ê\x98\xe4~B\x01\x00[\x9bo\xb2\x1d\xa7F\x8f\xd9\xe4\x0e\xf5\xefZ\xfa\xba\xa2\x88\x1a\x80\x1a\xcd9i\fq\xe3\xacGb\xa7\xa1VB\xde\xec\xee6\"\x86\xc0\xb7\xd3\"\xc5@z\xb5$\x15": net/url: invalid control character in URL