these 4 derivations will be built:
  /nix/store/6miid6xg9lkd702cqnp5190zhcdjr3n4-etc-nix-registry.json.drv
  /nix/store/v7bw2p4avk73lss90gl61w4k0qlpaykn-etc.drv
  /nix/store/qvf9j70pf953i2wy7bm55ljhdwzaw7k7-activate.drv
  /nix/store/wlzz01gvgad1k52gvzwl4n4clbz02val-nixos-system-tau-26.11.20260920.5baae1f.drv
building '/nix/store/v7bw2p4avk73lss90gl61w4k0qlpaykn-etc.drv'
building '/nix/store/qvf9j70pf953i2wy7bm55ljhdwzaw7k7-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/wlzz01gvgad1k52gvzwl4n4clbz02val-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=2026-09-28T03:08:58.277+09:00 level=INFO msg="Uploading 2 paths to niks3.sjanglab.org (1198 already cached)"
time=2026-09-28T03:08:58.278+09:00 level=INFO msg="Uploading 8dzf1wkf2ff16zzh4dr2g0474qfqzqj9-etc (55.1KB)"
time=2026-09-28T03:08:58.278+09:00 level=INFO msg="Uploading 0syhc2yg01qg0hv6j97jydi97giilwg9-nixos-system-tau-26.11.20260920.5baae1f (246.0KB)"
time=2026-09-28T03:08:59.413+09:00 level=INFO msg="Uploading 2 narinfos"
time=2026-09-28T03:08:59.793+09:00 level=INFO msg="Upload complete. (1.826s)"