this derivation will be built:
  /nix/store/ic2w5py6dkmak5l1xyi6z89i5vr64771-interpolate-conformance.drv
building '/nix/store/ic2w5py6dkmak5l1xyi6z89i5vr64771-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-29T18:56:15.469Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-29T18:56:15.855Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T18:56:16.163Z level=INFO msg="Upload complete. (761ms)"