these 3 derivations will be built:
  /nix/store/14bj201ypflilcrqcnl2rxf6plr9cd1k-iets-fuzz-diff-0.0.0.drv
  /nix/store/cpyzhljr3k1d6185gffcdjpxbq1z1l7g-iets-fuzzers-0.0.0.drv
  /nix/store/9cl8g6hkcqvwj17624iadw6ykpkf1m0c-iets-fuzz-drv-check.drv