this derivation will be built:
  /nix/store/r7njzq303zq7b5q7n2c8500s3pmvzg09-interpolate-conformance.drv
building '/nix/store/r7njzq303zq7b5q7n2c8500s3pmvzg09-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok