parse "gopher://null.host:0/-\xbc\x82s\xe4\"\xc6\xc2\x06ro\x03N\xe2\xa1\xc0p\x0eO\x1c\xf3;`\xe3E\xba\xf2\xfa\x80\x90\xb8\x04h8\xa4\xdcG\xc1\x03\x017\x88\xd7<\a\xef\xba2\xeb\x18\x10[\xed": net/url: invalid control character in URL