these 2 derivations will be built:
  /nix/store/vmjmjnynz3ik6k6s5l78s7pl3sdblmyz-nixbot-docs.drv
  /nix/store/4xxhnbg1ibp9qw94inxw9qwy7ar08303-inputDerivation-gh-pages.drv
building '/nix/store/vmjmjnynz3ik6k6s5l78s7pl3sdblmyz-nixbot-docs.drv'...
building '/nix/store/4xxhnbg1ibp9qw94inxw9qwy7ar08303-inputDerivation-gh-pages.drv'...