this derivation will be built:
  /nix/store/dqk3gprlq9flzswan6db0bqbha5pnjsj-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/dqk3gprlq9flzswan6db0bqbha5pnjsj-bcachefs-module-7.0.0-38-generic.drv'...