this derivation will be built:
  /nix/store/gbmjd5jh40mknc7acxg9q7pcl65lwwlz-interpolate-conformance.drv
building '/nix/store/gbmjd5jh40mknc7acxg9q7pcl65lwwlz-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-25T04:24:39.533Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-25T04:24:39.952Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T04:24:40.246Z level=INFO msg="Upload complete. (981ms)"