these 4 derivations will be built:
  /nix/store/52k53ybq65gxvpz7l796ddi9nbgag89y-iets-0.2.0.drv
  /nix/store/w519frfl3rd4nq90zly0sn6pfyypgm4y-iets-fuzz-diff-0.0.0.drv
  /nix/store/ms3cl3vc14hhyj0sm1wswwmi5b0py7zx-iets-conformance-adapter.drv
  /nix/store/l30ll8h5bvi9pn84yds0v0aswk7lpz99-nix-conformance-iets.drv