these 2 derivations will be built:
  /nix/store/ipyi901kp3zkj9qs9dmc1kk4x7jsqwvh-iets-fuzzers-0.0.0.drv
  /nix/store/k6vymagib855hyzj1q9g2r8qbhy7j4fa-iets-fuzz-parse-check.drv