this derivation will be built:
  /nix/store/1w2m3h42n4qhm804mlp50lpi9j32b02p-docs-reference-current-test.drv
building '/nix/store/1w2m3h42n4qhm804mlp50lpi9j32b02p-docs-reference-current-test.drv'
docs-reference-current-test> docs/reference matches the option tree

post-build step Upload to niks3: ok
time=2026-09-03T10:09:22.687Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-03T10:09:23.043Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-03T10:09:23.469Z level=INFO msg="Upload complete. (817ms)"