this derivation will be built:
  /nix/store/pa9n10qjgyd04ij7gh1lg8sly9qq29gk-docs-reference-current-test.drv
building '/nix/store/pa9n10qjgyd04ij7gh1lg8sly9qq29gk-docs-reference-current-test.drv'
docs-reference-current-test> docs/reference matches the option tree

post-build step Upload to niks3: ok
time=2026-09-03T14:17:37.146Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-03T14:17:37.681Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-03T14:17:40.536Z level=INFO msg="Upload complete. (3.489s)"