this derivation will be built:
  /nix/store/93a5pcm8np76yr5a94rllc1pif4c8081-interpolate-conformance.drv
building '/nix/store/93a5pcm8np76yr5a94rllc1pif4c8081-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-28T21:59:27.931Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-28T21:59:28.262Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-28T21:59:28.629Z level=INFO msg="Upload complete. (767ms)"