this derivation will be built:
  /nix/store/q1x9s78c7pw7nlfshlv6k7116vy89wny-interpolate-conformance.drv
building '/nix/store/q1x9s78c7pw7nlfshlv6k7116vy89wny-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok