this derivation will be built:
  /nix/store/wcv8cvqqgnvjqvq5qy380mzz8gl3vqyv-interpolate-conformance.drv
building '/nix/store/wcv8cvqqgnvjqvq5qy380mzz8gl3vqyv-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok