this derivation will be built:
  /nix/store/s6jk8l6d7racb1scc7diyjslfzmxvc41-docs-reference-current-test.drv
building '/nix/store/s6jk8l6d7racb1scc7diyjslfzmxvc41-docs-reference-current-test.drv'
docs-reference-current-test> docs/reference matches the option tree

post-build step Upload to niks3: ok
time=2026-09-01T14:58:22.726Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-01T14:58:23.201Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T14:58:23.438Z level=INFO msg="Upload complete. (737ms)"