this derivation will be built:
  /nix/store/879vzbn70q6xl5fq6ds5nrmqmnf9kn8w-interpolate-conformance.drv
building '/nix/store/879vzbn70q6xl5fq6ds5nrmqmnf9kn8w-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok