this derivation will be built:
  /nix/store/04ippd2876p1cmw9sf0i04lx1q79swbq-interpolate-conformance.drv
building '/nix/store/04ippd2876p1cmw9sf0i04lx1q79swbq-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok