this derivation will be built:
  /nix/store/6r9n7g3658cdz72lwv6xxmfhvd0if5p4-interpolate-conformance.drv
building '/nix/store/6r9n7g3658cdz72lwv6xxmfhvd0if5p4-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-31T18:52:27.714Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-31T18:52:28.137Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T18:52:28.663Z level=INFO msg="Upload complete. (1.266s)"