this derivation will be built:
  /nix/store/sfins1vkrmv99akc60wv45b3pdwwz99z-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/sfins1vkrmv99akc60wv45b3pdwwz99z-bcachefs-module-7.0.0-39-generic.drv'...