these 4 derivations will be built:
  /nix/store/0hwkjzi2y12z1x0gcwkzwbn96w6bc7mi-etc-nix-registry.json.drv
  /nix/store/n61243b0xb2ml4gbhb3bk67a15x37kaw-etc.drv
  /nix/store/nxps3mk8qs1rjdvwfkbzx2pfjpa0ayz3-activate.drv
  /nix/store/92saa9v22c8b3v57g3gsx3f6j2ddq4rx-nixos-system-tau-26.11.20260906.faf77a3.drv
building '/nix/store/0hwkjzi2y12z1x0gcwkzwbn96w6bc7mi-etc-nix-registry.json.drv'
building '/nix/store/n61243b0xb2ml4gbhb3bk67a15x37kaw-etc.drv'
building '/nix/store/nxps3mk8qs1rjdvwfkbzx2pfjpa0ayz3-activate.drv'
building '/nix/store/92saa9v22c8b3v57g3gsx3f6j2ddq4rx-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=2026-09-17T15:18:42.040+09:00 level=INFO msg="Uploading 4 paths to niks3.sjanglab.org (1191 already cached)"
time=2026-09-17T15:18:42.040+09:00 level=INFO msg="Uploading hvz1yxm6h5zhs05k03qlysskfi2xl2vq-nixos-system-tau-26.11.20260906.faf77a3 (245.9KB)"
time=2026-09-17T15:18:42.040+09:00 level=INFO msg="Uploading 75qfhlip9lc6akfy09y8w0jyv5yjai0l-source (4.9MB)"
time=2026-09-17T15:18:42.040+09:00 level=INFO msg="Uploading klcg5dzac4m523wfbaqwmi91kbnwdcs8-etc (54.2KB)"
time=2026-09-17T15:18:42.040+09:00 level=INFO msg="Uploading hs439f5wxl3fzpxxwj1wyh6kq1m8cj40-etc-nix-registry.json (552B)"
time=2026-09-17T15:18:43.160+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-09-17T15:18:43.715+09:00 level=INFO msg="Upload complete. (1.968s)"