this derivation will be built:
  /nix/store/7dg7v47l4c03p5z5nxjkhwlc4fq08hs7-interpolate-conformance.drv
building '/nix/store/7dg7v47l4c03p5z5nxjkhwlc4fq08hs7-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok