these 4 derivations will be built:
  /nix/store/zr6bpvfb9qr88sagb2w3h33z9mw8y8l2-etc-nix-registry.json.drv
  /nix/store/77hs42x6j5mifi23b2i3nr3m2grsxp70-etc.drv
  /nix/store/vnr7rlbhw3rzzss9lm0pwyx7a8ndy7qw-activate.drv
  /nix/store/qkj19g2hy48bzkajpvkrmc00vxd7q5kv-nixos-system-tau-26.11.20260811.8c84612.drv
building '/nix/store/zr6bpvfb9qr88sagb2w3h33z9mw8y8l2-etc-nix-registry.json.drv'
building '/nix/store/77hs42x6j5mifi23b2i3nr3m2grsxp70-etc.drv'
building '/nix/store/vnr7rlbhw3rzzss9lm0pwyx7a8ndy7qw-activate.drv'
building '/nix/store/qkj19g2hy48bzkajpvkrmc00vxd7q5kv-nixos-system-tau-26.11.20260811.8c84612.drv'
nixos-system-tau-26.11.20260811.8c84612> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing SBEE-Lab/infra to https://niks3.sjanglab.org
time=2026-08-20T00:55:57.865+09:00 level=INFO msg="Uploading 4 paths to niks3.sjanglab.org (1193 already cached)"
time=2026-08-20T00:55:57.865+09:00 level=INFO msg="Uploading nh329jqnp85f7knnzcwiwv0cr6i607qm-nixos-system-tau-26.11.20260811.8c84612 (245.9KB)"
time=2026-08-20T00:55:57.865+09:00 level=INFO msg="Uploading bcayl0cvz65fzhcvh74dpwr7zwjfzbqw-etc (54.2KB)"
time=2026-08-20T00:55:57.865+09:00 level=INFO msg="Uploading lyr7iy89kjl8ncj9vd6qag283rx45yds-source (4.8MB)"
time=2026-08-20T00:55:57.865+09:00 level=INFO msg="Uploading mkgbnx4rq8akh4l0hbjal3yl8jr0k5dk-etc-nix-registry.json (552B)"
time=2026-08-20T00:55:58.931+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-08-20T00:55:59.451+09:00 level=INFO msg="Upload complete. (1.947s)"