this derivation will be built:
  /nix/store/xfcfk9wirdwv0bkj650bs5xn11f5wkf8-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/xfcfk9wirdwv0bkj650bs5xn11f5wkf8-bcachefs-module-7.0.0-38-generic.drv'...