this derivation will be built:
  /nix/store/q791n9asj723qar168f964qrsxk6jiyf-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/q791n9asj723qar168f964qrsxk6jiyf-bcachefs-module-7.0.0-31-generic.drv'...