this derivation will be built:
  /nix/store/q4q2lly6n99kqgsdw02pjcrhmv27h0z1-inputDerivation-effect-docs.drv
building '/nix/store/q4q2lly6n99kqgsdw02pjcrhmv27h0z1-inputDerivation-effect-docs.drv'...