this derivation will be built:
  /nix/store/lnk16iw6xw6xnpj888mz6c3azjnhffzi-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/lnk16iw6xw6xnpj888mz6c3azjnhffzi-bcachefs-module-7.0.0-39-generic.drv'...