this derivation will be built:
  /nix/store/fc8y49sqsdb7dkaaqbakz9davbvf358q-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/fc8y49sqsdb7dkaaqbakz9davbvf358q-bcachefs-module-7.0.0-38-generic.drv'...