these 4 derivations will be built:
  /nix/store/0d9xixykl9pb3y5ax95ggypg6685fsk9-iets-0.1.0.drv
  /nix/store/r83y4dyxa80wkncg1svsn22gr99ysic2-iets-fuzz-diff-0.0.0.drv
  /nix/store/mgnj3pn1rm6yi0cc8v75h1nv0b82576v-iets-conformance-adapter.drv
  /nix/store/79pgkqvqb0dvgh95hl6518cflc3yvf94-nix-conformance-iets.drv