these 4 derivations will be built:
  /nix/store/5sz608crxx9lysha438gykvv592zxcm0-etc-nix-registry.json.drv
  /nix/store/5fzb6gn5cd2gkfib8qfy4b82pacdma2x-etc.drv
  /nix/store/v1hb8qln6bh12shm7npd50z26d3sbbhj-activate.drv
  /nix/store/1xdsz96hs4al5fk8b7pwpis475401sqn-nixos-system-tau-26.11.20260920.5baae1f.drv
building '/nix/store/5sz608crxx9lysha438gykvv592zxcm0-etc-nix-registry.json.drv'
etc-nix-registry.json> structuredAttrs is enabled
building '/nix/store/5fzb6gn5cd2gkfib8qfy4b82pacdma2x-etc.drv'
building '/nix/store/v1hb8qln6bh12shm7npd50z26d3sbbhj-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/1xdsz96hs4al5fk8b7pwpis475401sqn-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=2026-09-22T03:07:54.427+09:00 level=INFO msg="Uploading 4 paths to niks3.sjanglab.org (1196 already cached)"
time=2026-09-22T03:07:54.427+09:00 level=INFO msg="Uploading m66l4nrbxkv4lwzbwyjlaqmim0q5c2ws-etc (55.1KB)"
time=2026-09-22T03:07:54.427+09:00 level=INFO msg="Uploading w5pbprcx17gcj0bv0ljp3w4rg0i44b4j-source (4.9MB)"
time=2026-09-22T03:07:54.427+09:00 level=INFO msg="Uploading xs1zgz4s3wh00sxn49cm6ygn2059knkq-nixos-system-tau-26.11.20260920.5baae1f (246.0KB)"
time=2026-09-22T03:07:54.427+09:00 level=INFO msg="Uploading 0d1wjp7wsnb7hwczrcd9mdp3nx3601ds-etc-nix-registry.json (552B)"
time=2026-09-22T03:07:55.555+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-09-22T03:07:56.270+09:00 level=INFO msg="Upload complete. (2.162s)"