these 2 derivations will be built:
  /nix/store/z3al750k0bi7js5knsbinz7vw23y11p3-cli-proxy-api-8.0.8.drv
  /nix/store/qm29s34f1rwr1vlb7saz9r73fqd1hfg7-check-cli-proxy-api.drv