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/fszg0smdfs6kp37hp2a2i9q1wwd11q7c-iets-fuzz-drv-check.drv