these 2 derivations will be built:
  /nix/store/xgkj0shilaq7qwb4nghs6wf2sdrkv92s-iets-fuzzers-0.0.0.drv
  /nix/store/pn26slx52yq06f3rphg9ym89aj6frgwr-iets-fuzz-parse-check.drv