Indeed, We have warned you of an impending punishment on the Day when a man will observe what his hands have put forth1 and the disbeliever will say, "Oh, I wish that I were dust!"
Translation: Saheeh International (English)
1 i.e., the deeds he did in this world, which await him in the Hereafter.
O people! Indeed, I have warned you of an impending punishment which will occur on the day when a person will see what deeds he sent forth in the world, and the disbeliever will say, wishing safety from the punishment: “If only I had become dust like the animals!” when it is said to them on the Day of Judgement: “Become dust”.