these 2 derivations will be built:
  /nix/store/2fmk5rys0v9xxh8zfspkm48ra2gaw2c6-iets-fuzzers-0.0.0.drv
  /nix/store/1y1mgrjkqa3pw5x8aa1clb2rwj7j0n5r-iets-fuzz-drv-check.drv