parse "gopher://null.host:0/\u0083\x1bO_c\xd4\xf9\xcf=\x0e\xe4\x17\x9b:\x9e\x0fQjW\x8c\x96O\xbbE\xb9t\xb9l\x8c\x80\xdann\xed\xe6\xf1\xed\xdbgwp\xe4d?\x00\xdf\xf5\xb6v\xfd開\x9c\x17\xb5\xd5[\xf9INje\x1e\xdd\xf0\x9e:D": net/url: invalid control character in URL