parse "gopher://null.host:0/¬\xe1\x06\xe0?\x8f\xc6X\xce\xf0\xe7G\xdf\f\xd6\xe4qMR\x8f\xffy>'\xa3\xc6楇\x95\xfdA\xbe[Q\xfd\xdc\xc3:6X\xf1\xb9!\xff\xe1\xbd\x0e\f\xac\x00\xbc\x13':\xef(\a\x17**": net/url: invalid control character in URL