these 2 derivations will be built:
  /nix/store/d967q8a90w52n3hi4bkwsvkg0yw72xni-nixbot-docs.drv
  /nix/store/8ajkfa11nyq5lwii3qy9n8mihlxamzgm-inputDerivation-gh-pages.drv
building '/nix/store/d967q8a90w52n3hi4bkwsvkg0yw72xni-nixbot-docs.drv'...
building '/nix/store/8ajkfa11nyq5lwii3qy9n8mihlxamzgm-inputDerivation-gh-pages.drv'...