this derivation will be built:
  /nix/store/15gx94cicr6gmpkxipxxcwp8pfw0kckh-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/15gx94cicr6gmpkxipxxcwp8pfw0kckh-bcachefs-module-7.0.0-30-generic.drv'...