this derivation will be built:
  /nix/store/av33c3ja6f2zm5k242k451nhr0vg6ahb-interpolate-conformance.drv
building '/nix/store/av33c3ja6f2zm5k242k451nhr0vg6ahb-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok