these 3 derivations will be built:
  /nix/store/9kxydnw9pp8741mzcywm0sjnaknrswbd-iets-fuzz-diff-0.0.0.drv
  /nix/store/zwq69s6656mq37w0djjy764majbyhg91-iets-fuzzers-0.0.0.drv
  /nix/store/0bl689k8acy6hrj0m314i4ia007gqpcc-iets-fuzz-eval-check.drv