this derivation will be built:
  /nix/store/9snx12g2g7fr29h9l20hf06g53xwlwh6-interpolate-conformance.drv
building '/nix/store/9snx12g2g7fr29h9l20hf06g53xwlwh6-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-25T18:37:43.734Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-25T18:37:44.214Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T18:37:44.650Z level=INFO msg="Upload complete. (1.024s)"