these 2 derivations will be built:
  /nix/store/z1vklq4h8jrffff27p65hlxamlml0jsf-iets-fuzzers-0.0.0.drv
  /nix/store/y8sg0qgndnfcrlxb4414lwy5s114zwvi-iets-fuzz-drv-eval-check.drv