these 2 derivations will be built:
  /nix/store/0n5mbi90rq5jap6j597iqd6dg51bsm3j-opencodex-2.86.0.drv
  /nix/store/jwdh3bjxkp94pbq1sssw9f7rd7d1a9lg-check-opencodex.drv