this derivation will be built:
  /nix/store/2k8j2jjwcnwkdh6qv8kxkj2qkwzzvc84-inputDerivation-effect-docs.drv
building '/nix/store/2k8j2jjwcnwkdh6qv8kxkj2qkwzzvc84-inputDerivation-effect-docs.drv'...