this derivation will be built:
  /nix/store/c72kn3l7lx18y7z0ajwpvhcd48dbbawr-interpolate-conformance.drv
building '/nix/store/c72kn3l7lx18y7z0ajwpvhcd48dbbawr-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-27T02:11:32.585Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-27T02:11:32.923Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-27T02:11:33.197Z level=INFO msg="Upload complete. (684ms)"