this derivation will be built:
  /nix/store/1g19ccn3lc0f1j0f7pkh3bz4nr2jgil6-interpolate-conformance.drv
building '/nix/store/1g19ccn3lc0f1j0f7pkh3bz4nr2jgil6-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok