The crush injury to ft left u with at least destruction of toenail itself and/or the nailed at base, where new nail grows.
Hopefully, u iced it, which is effective for decrease pain, swelling, slow down damage to tissue for 1st 48 hrs. X-ray it, because small bones in ft can fx & necrose.. If only nail damaged, can protect it & let new nail grow, or have removed by podiatrist. Either way, c doc.