these 4 derivations will be built:
  /nix/store/2nsyf7c7g7lryfpivdpmvvag5h7fqmk1-etc-nix-registry.json.drv
  /nix/store/y54hrh71rgglaic3y78km9csan59j5f6-etc.drv
  /nix/store/64q19n7vrr3c92mpmq95n6g8x45igpyg-activate.drv
  /nix/store/bgcjypi6fb5c4463m55y9zj89h5zfjk0-nixos-system-tau-26.11.20260920.5baae1f.drv
building '/nix/store/2nsyf7c7g7lryfpivdpmvvag5h7fqmk1-etc-nix-registry.json.drv'
etc-nix-registry.json> structuredAttrs is enabled
building '/nix/store/y54hrh71rgglaic3y78km9csan59j5f6-etc.drv'
building '/nix/store/64q19n7vrr3c92mpmq95n6g8x45igpyg-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/bgcjypi6fb5c4463m55y9zj89h5zfjk0-nixos-system-tau-26.11.20260920.5baae1f.drv'
nixos-system-tau-26.11.20260920.5baae1f> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing SBEE-Lab/infra to https://niks3.sjanglab.org
time=2026-09-28T03:09:19.609+09:00 level=INFO msg="Uploading 4 paths to niks3.sjanglab.org (1196 already cached)"
time=2026-09-28T03:09:19.609+09:00 level=INFO msg="Uploading pyrq4n3yk1f18l90f31zxfljq6s05ph5-nixos-system-tau-26.11.20260920.5baae1f (246.0KB)"
time=2026-09-28T03:09:19.609+09:00 level=INFO msg="Uploading 7shlli4qbrqi66155ad1vg1r4qghr8iv-etc (55.1KB)"
time=2026-09-28T03:09:19.609+09:00 level=INFO msg="Uploading 9qaq0x7m3i40sxgb5dxl93b0bcj9hrj1-etc-nix-registry.json (552B)"
time=2026-09-28T03:09:19.609+09:00 level=INFO msg="Uploading zfj5z490mi04a689nrac8xhfga4p7afm-source (4.9MB)"
time=2026-09-28T03:09:20.594+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-09-28T03:09:21.016+09:00 level=INFO msg="Upload complete. (1.777s)"