parse "gopher://\xefh\xc6E\x9d&\x9a\x81/\xf6\x90W\x01$\x90O\xfb(R|Y\x9eL\x86\xe1SR\xaf\x86\xc4F\xa8\x90\x12[\xc2\xd8ooR\xb77\xac3\xd0\x19": net/url: invalid control character in URL