this derivation will be built:
  /nix/store/4kjklylbacwzb32n6rwnbi7rbjx3xv2a-interpolate-conformance.drv
building '/nix/store/4kjklylbacwzb32n6rwnbi7rbjx3xv2a-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-27T21:25:13.966Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-27T21:25:14.381Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-27T21:25:14.786Z level=INFO msg="Upload complete. (886ms)"