this derivation will be built:
  /nix/store/vi76jvm611hmsyqv9dr6947n1k1w8s64-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/vi76jvm611hmsyqv9dr6947n1k1w8s64-bcachefs-module-7.0.0-39-generic.drv'...