this derivation will be built:
  /nix/store/lsk5y752i9j09wl2hlwf017wy6ak1fsb-interpolate-conformance.drv
building '/nix/store/lsk5y752i9j09wl2hlwf017wy6ak1fsb-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok