this derivation will be built:
  /nix/store/14dk2dr31yrzb65bk5l4511fpv7f4kg4-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/14dk2dr31yrzb65bk5l4511fpv7f4kg4-bcachefs-module-7.0.0-38-generic.drv'...