parse "gopher://null.host:0/ám\x1a\xbf~v\x0f\xe4\x9fH\xf7\xcb\xcdb\x11\v9\xb4\x06.\xa0\xbe5Cλ>\xc8\xe7E\xd7\xf28\x8e\xe4]]\xfd\xbe": net/url: invalid control character in URL