this derivation will be built:
  /nix/store/y35s6j0vjxy4awfynzsim5wfv5j0mfir-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/y35s6j0vjxy4awfynzsim5wfv5j0mfir-bcachefs-module-7.0.0-39-generic.drv'...