these 3 derivations will be built:
  /nix/store/61w6rjg91ckv18psnvmydj6rs6fvvck3-iets-fuzzers-0.0.0.drv
  /nix/store/9l8447v0pma0ixlb27jzrql7i6bv6f5q-iets-fuzz-diff-0.0.0.drv
  /nix/store/cha049rz4g963nw5lid6y4in4dgaw3b8-iets-fuzz-drv-check.drv