this derivation will be built:
  /nix/store/6qcl2jh15lp3qa4ahn8pcd5mfflsvgq6-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/6qcl2jh15lp3qa4ahn8pcd5mfflsvgq6-bcachefs-module-7.0.0-29-generic.drv'...