this derivation will be built:
  /nix/store/r8mj3vr4fpcas40sdkfwp83q2zsq3bz8-inputDerivation-effect-docs.drv
building '/nix/store/r8mj3vr4fpcas40sdkfwp83q2zsq3bz8-inputDerivation-effect-docs.drv'...