Because the salt dries, it should suck up the stain. Then, simply vacuum everything up. You'll find other dry materials that may also support raise the red wine outside of a stain. For those who don’t have table salt readily available, you can use baking soda, dry soap powder, or https://carpetcleanernearme.au/how-do-i-get-red-wine-stain-out-of-carpet/