this derivation will be built:
  /nix/store/7rjycygq7rbga8vi4dcii11naiw78y30-interpolate-conformance.drv
building '/nix/store/7rjycygq7rbga8vi4dcii11naiw78y30-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-29T00:35:12.909Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-29T00:35:13.276Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T00:35:13.616Z level=INFO msg="Upload complete. (1.047s)"