this derivation will be built:
  /nix/store/27b9xrzx7rqbmg1i47g1wx40wxrd5kvl-example-mainprogram-check.drv
building '/nix/store/27b9xrzx7rqbmg1i47g1wx40wxrd5kvl-example-mainprogram-check.drv'

post-build step Route build to niks3: ok
Pushing mulatta/uv2nix-env to https://niks3.mulatta.io
time=2026-08-18T19:45:37.097+09:00 level=INFO msg="Uploading 0 paths to niks3.mulatta.io (1 already cached)"
time=2026-08-18T19:45:38.754+09:00 level=INFO msg="Uploading 1 narinfos"
time=2026-08-18T19:45:39.733+09:00 level=INFO msg="Upload complete. (2.724s)"