this derivation will be built:
  /nix/store/aq30qa92nr71mi8skwlm08c8jnh7ds65-interpolate-conformance.drv
building '/nix/store/aq30qa92nr71mi8skwlm08c8jnh7ds65-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-09-01T13:06:48.179Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-09-01T13:06:48.689Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T13:06:49.059Z level=INFO msg="Upload complete. (979ms)"