this derivation will be built:
  /nix/store/g3bi6qalsf9414rhgl802fsjx0n2vpj8-interpolate-conformance.drv
building '/nix/store/g3bi6qalsf9414rhgl802fsjx0n2vpj8-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-29T00:34:29.675Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-29T00:34:30.033Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T00:34:30.506Z level=INFO msg="Upload complete. (1.026s)"