this derivation will be built:
  /nix/store/l6hg04hcs3b7nq0gdvh8nr8gb22xqs60-interpolate-conformance.drv
building '/nix/store/l6hg04hcs3b7nq0gdvh8nr8gb22xqs60-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok