these 4 derivations will be built:
  /nix/store/b6qanipn1cl2gjdr34rz22xx6aiqf26a-iets-0.1.0.drv
  /nix/store/g0ixwcfb72idfnny4kpghxmdp37y8w3b-iets-fuzz-diff-0.0.0.drv
  /nix/store/5b9zvrzr8cw81zh0fdzjhjijmn62fqb9-iets-conformance-adapter.drv
  /nix/store/rmlp9p6ky4yhxgmj3xp2fz40fk6wg4ni-nix-conformance-iets.drv