this derivation will be built:
  /nix/store/4057qddlz1ca5c22475xmg8mj8a611lz-docs-reference.drv
building '/nix/store/4057qddlz1ca5c22475xmg8mj8a611lz-docs-reference.drv'

post-build step Upload to niks3: ok
time=2026-09-03T09:52:53.117Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-03T09:52:53.309Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-03T09:52:53.395Z level=INFO msg="Upload complete. (300ms)"