this derivation will be built:
  /nix/store/zfcba9r3xhk8fc8gpqkd43sxzyi7997j-docs-reference-current-test.drv
building '/nix/store/zfcba9r3xhk8fc8gpqkd43sxzyi7997j-docs-reference-current-test.drv'
docs-reference-current-test> docs/reference matches the option tree

post-build step Upload to niks3: ok
time=2026-09-16T09:28:57.316Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-16T09:29:02.305Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-16T09:29:02.543Z level=INFO msg="Upload complete. (5.251s)"