this derivation will be built:
  /nix/store/6wz839k8cza54719j2nbgbp7j9m4p1k1-interpolate-conformance.drv
building '/nix/store/6wz839k8cza54719j2nbgbp7j9m4p1k1-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-26T22:38:53.379Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-26T22:38:53.824Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-26T22:38:54.157Z level=INFO msg="Upload complete. (851ms)"