this derivation will be built:
  /nix/store/bq66b1mkwag4npzmj9927xx1gns3p27l-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/bq66b1mkwag4npzmj9927xx1gns3p27l-bcachefs-module-7.0.0-31-generic.drv'...