this derivation will be built:
  /nix/store/wqh6pj1a54szgy6igk4kds2z7yqzqqvn-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/wqh6pj1a54szgy6igk4kds2z7yqzqqvn-bcachefs-module-7.0.0-39-generic.drv'...