this derivation will be built:
  /nix/store/4q3jfc8k4jk9mv57fravnz5dlk619gkq-interpolate-conformance.drv
building '/nix/store/4q3jfc8k4jk9mv57fravnz5dlk619gkq-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-09-01T09:32:33.828Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-09-01T09:32:34.239Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T09:32:34.597Z level=INFO msg="Upload complete. (1.037s)"