these 2 derivations will be built:
  /nix/store/3kgh0dx921hgn35pmfk9ggqprixy073r-iets-fuzzers-0.0.0.drv
  /nix/store/zr6gjkq5y42459k1z5dzhrirm6mmcwrd-iets-fuzz-parse-check.drv