parse "gopher://null.host:0/C\xf4\x03\xbbl\xba\x02\xdc}>\xd7z\x8d\xca\xe5\x8ck\x98\x14\xb9\xe4h\xf0\xbb\xdfIeT~=\xc5h\x12/w\xfa6\xbf\xc2$\xd5": net/url: invalid control character in URL