this derivation will be built:
  /nix/store/7a7syh1zx6mm4jbwl3b0pl8aricmwzcj-inputDerivation-effect-docs.drv
building '/nix/store/7a7syh1zx6mm4jbwl3b0pl8aricmwzcj-inputDerivation-effect-docs.drv'...