parse "gopher://null.host:0/]M\x95\x93m\xb2\x89\xe7\xb6\xe8P\x80!\x1d\x1d\x9fc\x1e\x93\xc46\x8a\x01\x8b\xbcG\x89\xc2\xe7\xb5\"R\x9c\xad\xe0\x8f\xa2\x88\xab": net/url: invalid control character in URL