these 2 derivations will be built:
  /nix/store/5p7gj5ibydwr00469rf06l56kpijwlv2-nixpkgs-eval-nix.drv
  /nix/store/8x4dg7q7avi5m1ykymss4h309jxjfpp5-iets-nextest-0.2.0.drv