this derivation will be built:
  /nix/store/lppx4k1ka41ssq0hqd73wc0slfxjx6n5-bcachefs-module-7.0.0-29-generic-64k.drv
building '/nix/store/lppx4k1ka41ssq0hqd73wc0slfxjx6n5-bcachefs-module-7.0.0-29-generic-64k.drv'...