this derivation will be built:
  /nix/store/0f1wxw96jbfv4dk8m8l3k1lp99nz2m10-inputDerivation-effect-docs-preview.drv
building '/nix/store/0f1wxw96jbfv4dk8m8l3k1lp99nz2m10-inputDerivation-effect-docs-preview.drv'...