this derivation will be built:
  /nix/store/v54c9nd4447jmssd3fmdwgr58p3wg1jd-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/v54c9nd4447jmssd3fmdwgr58p3wg1jd-bcachefs-module-7.0.0-38-generic.drv'...