this derivation will be built:
  /nix/store/fhxnk9nq44af7xrqbzbz81ns90jx8301-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/fhxnk9nq44af7xrqbzbz81ns90jx8301-bcachefs-module-7.0.0-38-generic.drv'...