this derivation will be built:
  /nix/store/cydn3b4wf5zli9xvj7pg15mk2pzyamfq-interpolate-conformance.drv
building '/nix/store/cydn3b4wf5zli9xvj7pg15mk2pzyamfq-interpolate-conformance.drv'
interpolate-conformance> 9 cases: Nix interpolate == Python interpolate == expected

post-build step Upload to niks3: ok
time=2026-08-29T01:49:07.695Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-29T01:49:08.090Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T01:49:08.411Z level=INFO msg="Upload complete. (789ms)"