this derivation will be built:
  /nix/store/m2s76gisr35bcvbx6ksimyya4hbn1b8g-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/m2s76gisr35bcvbx6ksimyya4hbn1b8g-bcachefs-module-7.0.0-34-generic.drv'...