this derivation will be built:
  /nix/store/wcxkrbrqwkf3xk4xyh5cqwhws5yijfxn-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/wcxkrbrqwkf3xk4xyh5cqwhws5yijfxn-bcachefs-module-7.0.0-38-generic.drv'...