this derivation will be built:
  /nix/store/b5hsksgq8pq53750vlp8hzmrjb2036rh-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/b5hsksgq8pq53750vlp8hzmrjb2036rh-bcachefs-module-7.0.0-29-generic.drv'...