these 2 derivations will be built:
  /nix/store/5piifkzgn0kw6iif24767wxhbk4bs94n-iets-fuzzers-0.0.0.drv
  /nix/store/2l2qzc1aybj91vzq7x0kngqy6x9r70gs-iets-fuzz-eval-check.drv