this derivation will be built:
  /nix/store/7cg520504jl4k8dwc7fp6py9vjd416id-spaces-integrations-mcp-profile-test.drv
building '/nix/store/7cg520504jl4k8dwc7fp6py9vjd416id-spaces-integrations-mcp-profile-test.drv'

post-build step Upload to niks3: ok
time=2026-09-16T09:39:04.790Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-16T09:39:05.571Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-16T09:39:05.630Z level=INFO msg="Upload complete. (861ms)"