this derivation will be built:
  /nix/store/xcpbqrrxiaqxjaah7i28y0jjc14qdqnl-interpolate-conformance.drv
building '/nix/store/xcpbqrrxiaqxjaah7i28y0jjc14qdqnl-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-24T18:23:50.716Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-24T18:23:51.192Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-24T18:23:52.176Z level=INFO msg="Upload complete. (1.517s)"