this derivation will be built:
  /nix/store/4snh3aj94xpw4k1lk6bbn3rk783yhrfm-interpolate-conformance.drv
building '/nix/store/4snh3aj94xpw4k1lk6bbn3rk783yhrfm-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok