this derivation will be built:
  /nix/store/6aiq4hxi43pjl2wv5f7s9w3h4pdi326v-interpolate-conformance.drv
building '/nix/store/6aiq4hxi43pjl2wv5f7s9w3h4pdi326v-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok