parse "gopher://null.host:0/ö\xa1\xddGk\xd6\x06\x19\xbez\x1b\xfcy\xf0\x8f\x1a\xc8(C\xba\x85\x00\xd0\x01C\x0f\xf7\xf8\xe9;\xfe\x05\x03f֬\x1d\xb4\xac\xacC\xfa\xc1\xb8\xc0\xa6@͕E5o\xc0\x8b;\x8f\x02\xee\xb1": net/url: invalid control character in URL