these 3 derivations will be built:
  /nix/store/74jrsvkivpp9wdp8gs7261sg845lp41v-iets-fuzz-diff-0.0.0.drv
  /nix/store/q85kii71d0y7hkpib26mm0sz0zappzwy-iets-fuzzers-0.0.0.drv
  /nix/store/gqk4hnhjcpdqkvpn1d2fx9qqnh8fbjl0-iets-fuzz-drv-check.drv