this derivation will be built:
  /nix/store/kw1k9xrpjf5baqpxmm4ffnwkyazfifia-inputDerivation-effect-docs.drv
building '/nix/store/kw1k9xrpjf5baqpxmm4ffnwkyazfifia-inputDerivation-effect-docs.drv'...