this derivation will be built:
  /nix/store/8vyjh2al85m21w6n5w2v7i01sx3c04iz-docs-reference-current-test.drv
building '/nix/store/8vyjh2al85m21w6n5w2v7i01sx3c04iz-docs-reference-current-test.drv'
docs-reference-current-test> docs/reference matches the option tree

post-build step Upload to niks3: ok
time=2026-09-09T07:40:19.448Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-09T07:40:20.146Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-09T07:40:20.617Z level=INFO msg="Upload complete. (1.21s)"