these 3 derivations will be built:
  /nix/store/cv9nsdakv52341hqy9cfxdc3ayslk4xq-iets-fuzzers-0.0.0.drv
  /nix/store/yca8a6pyk9cmkyai0by0n537c9dgs69l-iets-fuzz-diff-0.0.0.drv
  /nix/store/7sqvnrih5f6lagpqw1b08wy1cw1z3z4x-iets-fuzz-drv-eval-check.drv