this derivation will be built:
  /nix/store/jzz3w8z4jjpndj5dz4pzrai1aa3myxz0-interpolate-conformance.drv
building '/nix/store/jzz3w8z4jjpndj5dz4pzrai1aa3myxz0-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-27T22:16:57.845Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-27T22:16:58.220Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-27T22:16:58.528Z level=INFO msg="Upload complete. (766ms)"