these 4 derivations will be built:
  /nix/store/572ghjldqs5krg048gyf9a09zlw8shf6-iets-fuzz-diff-0.0.0.drv
  /nix/store/7pr82zr78p3nmsxsk2f9mjrv1rdc652f-iets-0.1.0.drv
  /nix/store/d16p945qmaq35jjlavxc7q646frmcnqc-iets-conformance-adapter.drv
  /nix/store/9wrl643n0sz8wzq47xrd06al4cjqff6r-nix-conformance-iets.drv