this derivation will be built:
  /nix/store/a9j0rnbwi92yakz83l72yqaqlvgj8bzc-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/a9j0rnbwi92yakz83l72yqaqlvgj8bzc-bcachefs-module-7.0.0-28-generic.drv'...