these 4 derivations will be built:
  /nix/store/ycgrxl2ac6z0r1b63clb382ws2ydj591-iets-fuzz-diff-0.0.0.drv
  /nix/store/zbmca470jqnar69dnbv1k31jldflm8ln-iets-0.1.0.drv
  /nix/store/ssmvj6bzkbag0p1chk9x26cvi7703gqq-iets-conformance-adapter.drv
  /nix/store/4hfaxg26hcb53nqvli4qrqzvydxdpk7m-nix-conformance-iets.drv