this derivation will be built:
  /nix/store/zlx78ym6gqk9aqwysavw5py2hrbjdk4m-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/zlx78ym6gqk9aqwysavw5py2hrbjdk4m-bcachefs-module-7.0.0-14-generic.drv'...