these 2 derivations will be built:
  /nix/store/ljqf4ilsd7992y7dpjrcikg3c50p98q5-nixbot-docs.drv
  /nix/store/izx3602p4x64ji2p89fahl0fdlhrnxrr-inputDerivation-gh-pages.drv
building '/nix/store/ljqf4ilsd7992y7dpjrcikg3c50p98q5-nixbot-docs.drv'...
building '/nix/store/izx3602p4x64ji2p89fahl0fdlhrnxrr-inputDerivation-gh-pages.drv'...