this derivation will be built:
  /nix/store/4pba6m21swv3yn8cpnb0f7ims3cd10fl-interpolate-conformance.drv
building '/nix/store/4pba6m21swv3yn8cpnb0f7ims3cd10fl-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok