this derivation will be built:
  /nix/store/hqrkmhb5d7c3lhb9y8v3shjsl9x2zmz7-interpolate-conformance.drv
building '/nix/store/hqrkmhb5d7c3lhb9y8v3shjsl9x2zmz7-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-27T23:09:50.870Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-27T23:09:51.180Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-27T23:09:51.484Z level=INFO msg="Upload complete. (705ms)"