this derivation will be built:
  /nix/store/wyvy1xs6v4ah7p3zc7y8i0xi40spqc7p-interpolate-conformance.drv
building '/nix/store/wyvy1xs6v4ah7p3zc7y8i0xi40spqc7p-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-27T06:11:37.933Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-27T06:11:38.342Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-27T06:11:38.653Z level=INFO msg="Upload complete. (791ms)"