this derivation will be built:
  /nix/store/z2zi4iz0z3h7rr7d35z9095s4kf6vbl3-interpolate-conformance.drv
building '/nix/store/z2zi4iz0z3h7rr7d35z9095s4kf6vbl3-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok