this derivation will be built:
  /nix/store/2qmxvm035r6cib7ly1f9z1k2c21s41w2-inputDerivation-effect-docs.drv
building '/nix/store/2qmxvm035r6cib7ly1f9z1k2c21s41w2-inputDerivation-effect-docs.drv'...