this derivation will be built:
  /nix/store/6g6kwbb1wkkjjh7xdqjy86w3wl40xn5a-interpolate-conformance.drv
building '/nix/store/6g6kwbb1wkkjjh7xdqjy86w3wl40xn5a-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-28T22:33:38.522Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-28T22:33:39.033Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-28T22:33:39.411Z level=INFO msg="Upload complete. (1.488s)"