these 3 derivations will be built:
  /nix/store/31ddbrj09a8pvrr1z1ws9vvimnhfbg5s-iets-fuzz-diff-0.0.0.drv
  /nix/store/70qdvgzd1hwlbqxzvlj6bnlgkfxfqbi7-iets-fuzzers-0.0.0.drv
  /nix/store/s4d7bsyppd8zfxczh8nnbkh26svbrn1v-iets-fuzz-drv-check.drv