this derivation will be built:
  /nix/store/bw25g8a8x6njlx0zp0p12cbrq8pw9a4w-interpolate-conformance.drv
building '/nix/store/bw25g8a8x6njlx0zp0p12cbrq8pw9a4w-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok