these 4 derivations will be built:
  /nix/store/vib1bvgirfspibnv8nwc33kllmpjqigd-etc-nix-registry.json.drv
  /nix/store/ymhipraz1mfrkvh29ncqp8nczgzjj9lv-etc.drv
  /nix/store/x94cwqm9d1077hlmvmnzjh7v9hcqmq8n-activate.drv
  /nix/store/c830gm478hz2q9pckhdxr4rrq3ws5sq3-nixos-system-tau-26.11.20260920.5baae1f.drv
building '/nix/store/ymhipraz1mfrkvh29ncqp8nczgzjj9lv-etc.drv'
building '/nix/store/x94cwqm9d1077hlmvmnzjh7v9hcqmq8n-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/c830gm478hz2q9pckhdxr4rrq3ws5sq3-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=2026-09-24T03:05:44.194+09:00 level=INFO msg="Uploading 2 paths to niks3.sjanglab.org (1198 already cached)"
time=2026-09-24T03:05:44.194+09:00 level=INFO msg="Uploading hsk2hi29jmbaya41qxlxi3ppw3plp80b-etc (55.1KB)"
time=2026-09-24T03:05:44.194+09:00 level=INFO msg="Uploading y340m1ksjnrab0byhqnldn2x9qgfmgm2-nixos-system-tau-26.11.20260920.5baae1f (246.0KB)"
time=2026-09-24T03:05:45.684+09:00 level=INFO msg="Uploading 2 narinfos"
time=2026-09-24T03:05:46.853+09:00 level=INFO msg="Upload complete. (2.959s)"