this derivation will be built:
  /nix/store/yz8hhr77vnf917zflh4cjcq99j8hqfmj-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/yz8hhr77vnf917zflh4cjcq99j8hqfmj-bcachefs-module-7.0.0-39-generic.drv'...