these 3 derivations will be built:
  /nix/store/fqifi124gcd3hbvgmhxyj6c0qbgk36gn-iets-fuzz-diff-0.0.0.drv
  /nix/store/gx2qbvcmc698alljndd1lddfg7wmyim4-iets-fuzzers-0.0.0.drv
  /nix/store/chxpqh758l75wy069n7g0ckgv6mxpy0f-iets-fuzz-parse-check.drv