these 3 derivations will be built:
  /nix/store/52yb7zgijckwgkdm9zw05pwz4xyrblai-etc.drv
  /nix/store/zwx316j35crpvkdg3sv7jdwbiqhxnmpf-activate.drv
  /nix/store/220yv03zcq0zpyz7rrh4szvgpqq4cas6-nixos-system-tau-26.11.20260920.5baae1f.drv
building '/nix/store/52yb7zgijckwgkdm9zw05pwz4xyrblai-etc.drv'
building '/nix/store/zwx316j35crpvkdg3sv7jdwbiqhxnmpf-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/220yv03zcq0zpyz7rrh4szvgpqq4cas6-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=2026-09-23T03:07:55.494+09:00 level=INFO msg="Uploading 2 paths to niks3.sjanglab.org (1198 already cached)"
time=2026-09-23T03:07:55.494+09:00 level=INFO msg="Uploading qg1l50mr9iaaw5xrmv9zj3jv2ac043dv-etc (55.1KB)"
time=2026-09-23T03:07:55.494+09:00 level=INFO msg="Uploading xkv5gz71zsjaq2b0drzy6csqdvrmq6h8-nixos-system-tau-26.11.20260920.5baae1f (246.0KB)"
time=2026-09-23T03:07:56.392+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-09-23T03:07:57.088+09:00 level=INFO msg="Upload complete. (1.895s)"