these 4 derivations will be built:
  /nix/store/2sd9ydbm0rcb3pqa2mqy00i546h53jq2-iets-0.1.0.drv
  /nix/store/3c3vcb60zmhpjc07cn6avgy86sk3k08g-iets-fuzz-diff-0.0.0.drv
  /nix/store/cla2x2wp83x3skayqpy885fxhmr1fdq4-iets-conformance-adapter.drv
  /nix/store/3jhb1dg9xfzv8vwfg2b3nhk0jd8jcabh-nix-conformance-iets.drv