these 3 derivations will be built:
  /nix/store/6xkm0hyni22p81rcw462fcr1dm35j0zh-iets-fuzz-diff-0.0.0.drv
  /nix/store/kj738ar6mg5wc2vm7a9vg9b95i1avyl9-iets-fuzzers-0.0.0.drv
  /nix/store/9jm1pfpmcgw7167p7w3rvwvdjr2r8kc3-iets-fuzz-nar-check.drv