these 4 derivations will be built:
  /nix/store/62lmi7zz8fl6f8hz2pvq430wg6dlgmpc-iets-fuzz-diff-0.0.0.drv
  /nix/store/jdihvci0831ic7cxb06mwvvkfxgsr29w-iets-0.1.0.drv
  /nix/store/2r7sgh3w3l72lfl73i639ig1kcpyqnfv-iets-conformance-adapter.drv
  /nix/store/12qzh1faw1zqq55p6i7q61w423z9i953-nix-conformance-iets.drv