this derivation will be built:
  /nix/store/80jj75dgzb9n3m9k0w7fm65ddsfjl4wh-interpolate-conformance.drv
building '/nix/store/80jj75dgzb9n3m9k0w7fm65ddsfjl4wh-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok