Musannaf Ibn Abi Shayba 13:2184

Abu Bakr narrated to us, he said: Ibn Numayr narrated to us, he said: Hashim ibn Hashim narrated to us, he said: Abdullah ibn Nastas informed me that he heard Jabir ibn Abdullah saying: The Prophet, may Allah bless him and grant him peace, said: "No one shall swear a sinful oath at this pulpit of mine, even if it be for a green tooth-stick (miswak), but that he shall take his seat in the Fire, and Allah shall make the Fire mandatory for him."