these 3 derivations will be built:
  /nix/store/q1z24s89aq3wk4pjjjj89lh0blysk0wd-iets-fuzz-diff-0.0.0.drv
  /nix/store/x3x0jnkny43jmi2m7y6l1z5gkypc4n0j-iets-conformance-adapter.drv
  /nix/store/v1rjzlgq0wlw08zxv3ak5jymahdx1yl3-nix-conformance-iets.drv