this derivation will be built:
  /nix/store/lnkh3byy7qdvaiyn20kds2bv3vylvizq-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/lnkh3byy7qdvaiyn20kds2bv3vylvizq-bcachefs-module-7.0.0-39-generic.drv'...