these 3 derivations will be built:
  /nix/store/nx7p268ibq1j5kkr8q13f32cbpff6w7g-iets-fuzzers-0.0.0.drv
  /nix/store/qhb51qmz6j9jmqh9q4vah8miz1i3b108-iets-fuzz-diff-0.0.0.drv
  /nix/store/6wgq74333l44295vwpm0q2piaa7zd4hw-iets-fuzz-drv-check.drv