this derivation will be built:
  /nix/store/1syv0bk4cp31cph2njjvfssaqlw3ah81-interpolate-conformance.drv
building '/nix/store/1syv0bk4cp31cph2njjvfssaqlw3ah81-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-09-01T09:28:50.491Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-09-01T09:28:50.925Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T09:28:51.279Z level=INFO msg="Upload complete. (854ms)"