this derivation will be built:
  /nix/store/9lv1gxac5a5sac31wr8dqclyqslc0f6p-docs-reference-current-test.drv
building '/nix/store/9lv1gxac5a5sac31wr8dqclyqslc0f6p-docs-reference-current-test.drv'
docs-reference-current-test> docs/reference matches the option tree

post-build step Upload to niks3: ok
time=2026-09-15T04:18:00.708Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-15T04:18:01.621Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-15T04:18:01.722Z level=INFO msg="Upload complete. (1.036s)"