parse "gopher://null.host:0/ó\x1a&QÅt\\X\x0f\xc8\xc1B\xe4,\xb2\x96\v\xc9\x19$\x10R&Qʄd,H\xc1\xa1\xa8y\xa8\x86\x8dh\x80R8\xb0\x86\x83\xe89\x90\x8e\x05i\x98\xb0\x86EV\xb3\xe1\x8f\xf2a\x91eL\x92\x8cN\x90щ": net/url: invalid control character in URL