this derivation will be built:
  /nix/store/a4apnpf8r7aj1k12j31fc4450z4rjz3n-docs-reference-current-test.drv
building '/nix/store/a4apnpf8r7aj1k12j31fc4450z4rjz3n-docs-reference-current-test.drv'
docs-reference-current-test> docs/reference matches the option tree

post-build step Upload to niks3: ok
time=2026-09-06T04:18:06.251Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-06T04:18:06.638Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-06T04:18:06.795Z level=INFO msg="Upload complete. (571ms)"