this derivation will be built:
  /nix/store/rs0n74gs0m7wrivjcqk9f6kla6l59p2m-interpolate-conformance.drv
building '/nix/store/rs0n74gs0m7wrivjcqk9f6kla6l59p2m-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok