this derivation will be built:
  /nix/store/fr7d6bvrwlscvav70x69502bz7pi2abk-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/fr7d6bvrwlscvav70x69502bz7pi2abk-bcachefs-module-7.0.0-39-generic.drv'...