this derivation will be built:
  /nix/store/kmvzdkmmczm1x4qc8i9r52z8ssag8drj-docs-reference-current-test.drv
building '/nix/store/kmvzdkmmczm1x4qc8i9r52z8ssag8drj-docs-reference-current-test.drv'
docs-reference-current-test> docs/reference matches the option tree

post-build step Upload to niks3: ok
time=2026-09-04T10:21:05.613Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-04T10:21:06.141Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-04T10:21:07.096Z level=INFO msg="Upload complete. (1.512s)"