these 2 derivations will be built:
  /nix/store/vr8vfh6if83ri15kzb2h6jyscg92sk69-nixbot-docs.drv
  /nix/store/8rbnyprlal54kgah4a87s2dlmx35gjw4-inputDerivation-gh-pages.drv
building '/nix/store/vr8vfh6if83ri15kzb2h6jyscg92sk69-nixbot-docs.drv'...
building '/nix/store/8rbnyprlal54kgah4a87s2dlmx35gjw4-inputDerivation-gh-pages.drv'...