this derivation will be built:
  /nix/store/8jf0xsbhimfap0k4camycyrx75bq3mcl-interpolate-conformance.drv
building '/nix/store/8jf0xsbhimfap0k4camycyrx75bq3mcl-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-09-01T07:23:12.181Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-09-01T07:23:12.628Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T07:23:12.930Z level=INFO msg="Upload complete. (808ms)"