these 4 derivations will be built:
  /nix/store/lpx0fn1154snk3ymmza4iv8dp6hy42ka-etc-nix-registry.json.drv
  /nix/store/b9dh0hvaspil7my8fciyrylmywkdpxvn-etc.drv
  /nix/store/5h5dpbjr1icfhk604jwm3wr31vkfxa8k-activate.drv
  /nix/store/kanr894spvarc3hsfg42hfsc5fj6gcr9-nixos-system-tau-26.11.20260906.faf77a3.drv
building '/nix/store/b9dh0hvaspil7my8fciyrylmywkdpxvn-etc.drv'
building '/nix/store/5h5dpbjr1icfhk604jwm3wr31vkfxa8k-activate.drv'
building '/nix/store/kanr894spvarc3hsfg42hfsc5fj6gcr9-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=2026-09-17T14:56:22.708+09:00 level=INFO msg="Uploading 2 paths to niks3.sjanglab.org (1189 already cached)"
time=2026-09-17T14:56:22.708+09:00 level=INFO msg="Uploading gnm1pvrlsrw2q5qwqbrb3s9zhd2kk522-etc (54.2KB)"
time=2026-09-17T14:56:22.708+09:00 level=INFO msg="Uploading vw1aadayx81a6rc47d43fbl0dbaq0n2w-nixos-system-tau-26.11.20260906.faf77a3 (245.9KB)"
time=2026-09-17T14:56:23.830+09:00 level=INFO msg="Uploading 2 narinfos"
time=2026-09-17T14:56:24.331+09:00 level=INFO msg="Upload complete. (2.918s)"