this derivation will be built:
  /nix/store/745j5fj2x1qzf04hc2yg74w3ssjdqx22-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/745j5fj2x1qzf04hc2yg74w3ssjdqx22-bcachefs-module-7.0.0-39-generic.drv'...