parse "gopher://null.host:0/91\xe4\x1b\x18\x16\xc5\\ \x82x\xb9DWX8`?\xcd\x17n~>\xf2v\x01\xee }D\xe0\xb3\xd70z떖\xed\x16O$\x83w\xcc": net/url: invalid control character in URL