this derivation will be built:
  /nix/store/kj2w91q2qd5pjl2i4l7gjlkzv0rzznd7-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/kj2w91q2qd5pjl2i4l7gjlkzv0rzznd7-bcachefs-module-7.0.0-27-generic.drv'...