these 4 derivations will be built:
  /nix/store/4simg9iqdd09r3i4l50827b2ni3xam0g-etc-nix-registry.json.drv
  /nix/store/d3j3lc9zjbwaz2ds7r2yh0nwj8pkfwcb-etc.drv
  /nix/store/yrsm641h60kanilbckwaxfyrly24z5ng-activate.drv
  /nix/store/qqnf348b2i3lcgzsq0cag8p2qkzcb19c-nixos-system-tau-26.11.20260906.faf77a3.drv
building '/nix/store/4simg9iqdd09r3i4l50827b2ni3xam0g-etc-nix-registry.json.drv'
building '/nix/store/d3j3lc9zjbwaz2ds7r2yh0nwj8pkfwcb-etc.drv'
building '/nix/store/yrsm641h60kanilbckwaxfyrly24z5ng-activate.drv'
building '/nix/store/qqnf348b2i3lcgzsq0cag8p2qkzcb19c-nixos-system-tau-26.11.20260906.faf77a3.drv'
nixos-system-tau-26.11.20260906.faf77a3> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing SBEE-Lab/infra to https://niks3.sjanglab.org
time=2026-09-15T03:09:28.508+09:00 level=INFO msg="Uploading 4 paths to niks3.sjanglab.org (1187 already cached)"
time=2026-09-15T03:09:28.508+09:00 level=INFO msg="Uploading gpzryqn28q2iknd2cls9y3zm1w39l3xm-etc-nix-registry.json (552B)"
time=2026-09-15T03:09:28.508+09:00 level=INFO msg="Uploading k2sm04id5wis82zv98akbb7s5n6i4lp1-nixos-system-tau-26.11.20260906.faf77a3 (245.9KB)"
time=2026-09-15T03:09:28.508+09:00 level=INFO msg="Uploading 81wddw5ka7jmrsn62xqbl0jmcgg4sn2p-source (4.9MB)"
time=2026-09-15T03:09:28.508+09:00 level=INFO msg="Uploading 7hdwsmhkf1flvhl5ih24jxhg5f7s5m72-etc (54.2KB)"
time=2026-09-15T03:09:29.666+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-09-15T03:09:30.418+09:00 level=INFO msg="Upload complete. (2.197s)"