this derivation will be built:
  /nix/store/3m1crf54c6h2md6y21zgg3k60mhhbysh-interpolate-conformance.drv
building '/nix/store/3m1crf54c6h2md6y21zgg3k60mhhbysh-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok