these 3 derivations will be built:
  /nix/store/cqssk8c16pv8kx2jkzkr9kiszs8jicfv-iets-fuzz-diff-0.0.0.drv
  /nix/store/g45msqdhm2a3n3zcfnwnsicg7p5gaws5-iets-fuzzers-0.0.0.drv
  /nix/store/1x24q25hcykkdjsmznhl81rrjmnwn25a-iets-fuzz-drv-check.drv