this derivation will be built:
  /nix/store/8b3kn5g1g3p20ryx9qb0p7flmp4qx8r0-interpolate-conformance.drv
building '/nix/store/8b3kn5g1g3p20ryx9qb0p7flmp4qx8r0-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok