these 3 derivations will be built:
  /nix/store/29lwgb7rraxbr5hyaybjmza7l1zqnm4a-iets-fuzz-diff-0.0.0.drv
  /nix/store/yh59yg9n228s31wf1qpnyb8xjpxdwzd5-iets-fuzzers-0.0.0.drv
  /nix/store/610v4in7qjx2bvyqg98cx7wsmyxr19l2-iets-fuzz-drv-check.drv