this derivation will be built:
  /nix/store/9i5qf7rgp5js81161wp833y7i85mdam3-interpolate-conformance.drv
building '/nix/store/9i5qf7rgp5js81161wp833y7i85mdam3-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-24T18:12:42.133Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-24T18:12:43.326Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-24T18:12:44.356Z level=INFO msg="Upload complete. (2.285s)"