this derivation will be built:
  /nix/store/b4jssg4wars8krs1vqy5b8lx1ds7nx0g-interpolate-conformance.drv
building '/nix/store/b4jssg4wars8krs1vqy5b8lx1ds7nx0g-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok