this derivation will be built:
  /nix/store/igs4ngf4sq3yi5p0cl5j2d2ynd4n9pkh-interpolate-conformance.drv
building '/nix/store/igs4ngf4sq3yi5p0cl5j2d2ynd4n9pkh-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok