this derivation will be built:
  /nix/store/fn74bi7qnhcs4mw7bi27akq2wnk5dpcv-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/fn74bi7qnhcs4mw7bi27akq2wnk5dpcv-bcachefs-module-7.0.0-28-generic.drv'...