this derivation will be built:
  /nix/store/a6i3w84xbvd878zlxlbdyffcx0pqgl2n-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/a6i3w84xbvd878zlxlbdyffcx0pqgl2n-bcachefs-module-7.0.0-29-generic.drv'...