these 4 derivations will be built:
  /nix/store/pim0j1qhz8zspkdkwcbrfihgaa7lwxxk-etc-nix-registry.json.drv
  /nix/store/g1mlknr4hbxz1sy85slwjabkj58mpyqg-etc.drv
  /nix/store/j7ayx1abhh2pqwgc9981qa9bwn5pavyb-activate.drv
  /nix/store/fn4zwnxyw1qp4g11wiilcnpxxd403p4w-nixos-system-tau-26.11.20260906.faf77a3.drv
building '/nix/store/g1mlknr4hbxz1sy85slwjabkj58mpyqg-etc.drv'
building '/nix/store/j7ayx1abhh2pqwgc9981qa9bwn5pavyb-activate.drv'
building '/nix/store/fn4zwnxyw1qp4g11wiilcnpxxd403p4w-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=2026-09-17T03:09:31.151+09:00 level=INFO msg="Uploading 2 paths to niks3.sjanglab.org (1189 already cached)"
time=2026-09-17T03:09:31.151+09:00 level=INFO msg="Uploading 0m9ylbpdnkjj5jr64ydzrr2v7qbkgpzz-etc (54.2KB)"
time=2026-09-17T03:09:31.151+09:00 level=INFO msg="Uploading f3a1mlfkv4falvapj2x7r6zbv5pgk1p6-nixos-system-tau-26.11.20260906.faf77a3 (245.9KB)"
time=2026-09-17T03:09:33.058+09:00 level=INFO msg="Uploading 2 narinfos"
time=2026-09-17T03:09:34.062+09:00 level=INFO msg="Upload complete. (3.199s)"