this derivation will be built:
  /nix/store/8j217lcc7cv2vvqsnl9q8xb3kcs19jdc-interpolate-conformance.drv
building '/nix/store/8j217lcc7cv2vvqsnl9q8xb3kcs19jdc-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-24T18:29:33.247Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-24T18:29:33.657Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-24T18:29:34.009Z level=INFO msg="Upload complete. (927ms)"