this derivation will be built:
  /nix/store/pls88cx9c031l8cbnh4c1jzb5zmcli3p-interpolate-conformance.drv
building '/nix/store/pls88cx9c031l8cbnh4c1jzb5zmcli3p-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-28T06:45:52.328Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-28T06:45:52.790Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-28T06:45:53.211Z level=INFO msg="Upload complete. (953ms)"