these 3 derivations will be built:
  /nix/store/1971rx3gdj1hcm0cn23gl3zw092yczs3-iets-fuzzers-0.0.0.drv
  /nix/store/yc2a6j5rjfs7p4msdmhsl67pqjl12f79-iets-fuzz-diff-0.0.0.drv
  /nix/store/q4l3d6ydal3f1qhaqxn5s2vhwvb82skc-iets-fuzz-drv-check.drv