this derivation will be built:
  /nix/store/a8y9xnd8sbh8p2qcmx1b9pjb4pqndwna-interpolate-conformance.drv
building '/nix/store/a8y9xnd8sbh8p2qcmx1b9pjb4pqndwna-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok