these 3 derivations will be built:
  /nix/store/7ynjb1z1sjvjm167h6ilp64y46rr8zwd-iets-fuzz-diff-0.0.0.drv
  /nix/store/xxgd52jn2aqa93ibl21jbpzprk004v4k-iets-fuzzers-0.0.0.drv
  /nix/store/2wjyfkpdxxl9irs6qzrbx5n0qa25mrsp-iets-fuzz-nar-check.drv