this derivation will be built:
  /nix/store/qqvhs26y7nj8264mq67lnffw1sffxyx1-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/qqvhs26y7nj8264mq67lnffw1sffxyx1-bcachefs-module-7.0.0-39-generic.drv'...