this derivation will be built:
  /nix/store/i53pmahy4fv7d0q78xa231lzahqsj54n-interpolate-conformance.drv
building '/nix/store/i53pmahy4fv7d0q78xa231lzahqsj54n-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-31T19:22:30.782Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-31T19:22:31.290Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T19:22:31.639Z level=INFO msg="Upload complete. (1.248s)"