this derivation will be built:
  /nix/store/c1r6xqiqjy1yx5ahw2f5yk7511g7pc0h-interpolate-conformance.drv
building '/nix/store/c1r6xqiqjy1yx5ahw2f5yk7511g7pc0h-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok