these 4 derivations will be built:
  /nix/store/mxygmpnbwx6byzj9xbc3v49kha5vdpyn-iets-fuzz-diff-0.0.0.drv
  /nix/store/zzx4jf3szidvq4fdaj04aldkbyi195m5-iets-0.1.0.drv
  /nix/store/7d3rdkxjqqlq8wxd4qcgz91pm4sj2c2k-iets-conformance-adapter.drv
  /nix/store/70sxdagqwaxrdwydy3rzcg68lvf0a0d7-nix-conformance-iets.drv