this derivation will be built:
  /nix/store/1fdqnk24x1dcxd6vpyc8x7m31f58hwwb-interpolate-conformance.drv
building '/nix/store/1fdqnk24x1dcxd6vpyc8x7m31f58hwwb-interpolate-conformance.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/1fdqnk24x1dcxd6vpyc8x7m31f58hwwb-interpolate-conformance.drv'
interpolate-conformance> 10 cases: Nix interpolate == Python interpolate == expected

upload niks3: ok