these 3 derivations will be built:
  /nix/store/3h4k2bsw45vgpg9mxsd806pbkvkqyniv-dry-activate.drv
  /nix/store/sj1j6xqkkc84sk8rqaavbxa7qkn6pcdl-activate.drv
  /nix/store/s1h103ll4yk0lcisn40vjba3yp7pw027-nixos-system-prefect-26.11.19800101.a831408.drv
building '/nix/store/sj1j6xqkkc84sk8rqaavbxa7qkn6pcdl-activate.drv'
building '/nix/store/3h4k2bsw45vgpg9mxsd806pbkvkqyniv-dry-activate.drv'
building '/nix/store/s1h103ll4yk0lcisn40vjba3yp7pw027-nixos-system-prefect-26.11.19800101.a831408.drv'
nixos-system-prefect-26.11.19800101.a831408> structuredAttrs is enabled

post-build step Upload to niks3: ok
time=2026-08-23T11:10:01.271-04:00 level=INFO msg="Uploading 1 paths to niks3.fennec-cichlid.ts.net (949 already cached)"
time=2026-08-23T11:10:01.271-04:00 level=INFO msg="Uploading ac8p3hjh8fiwl9n4y74jlzmqcfsaiy5y-nixos-system-prefect-26.11.19800101.a831408 (247.7KB)"
time=2026-08-23T11:10:02.418-04:00 level=INFO msg="Uploading 1 narinfos"
time=2026-08-23T11:10:02.829-04:00 level=INFO msg="Upload complete. (2.375s)"