parse "gopher://null.host:0/\u0083!\xf5\xad[\x06.r0Ћ\xf74/Ζ\x05\xd6|\xe1G\x83\u007f\xc1\f\x12\x8aJ\xcb\xf0\xcbq*\x12c\xc3h^": net/url: invalid control character in URL