this derivation will be built:
  /nix/store/bg0nwqrhw8kb02zlcwr58nwx084kkh4n-spaces-integrations-mcp-profile-test.drv
building '/nix/store/bg0nwqrhw8kb02zlcwr58nwx084kkh4n-spaces-integrations-mcp-profile-test.drv'

post-build step Upload to niks3: ok
time=2026-09-17T13:00:22.035Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-17T13:00:22.705Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-17T13:00:22.987Z level=INFO msg="Upload complete. (973ms)"