these 3 derivations will be built:
  /nix/store/n99sg1arwb9h845nxrb2a9xak98rmgg0-iets-fuzz-diff-0.0.0.drv
  /nix/store/vw4hzsjvgdj8kgg8i50r6qm73krf4kqb-iets-fuzzers-0.0.0.drv
  /nix/store/qn73rx0mj7l2939bbsc9z8yqvnwwmakq-iets-fuzz-drv-check.drv