these 4 derivations will be built:
  /nix/store/dhp7rj6j0azxhsvqggyg5la2dzclcl6a-etc-nix-registry.json.drv
  /nix/store/mh5dsk8a7748ng5nasncwcc3894i3xcn-etc.drv
  /nix/store/bmsyznmibjf8yc94kdcvqcmvcz5isnl5-activate.drv
  /nix/store/a64x1ig20v6x38dmmzzq7gx5isnbnfsr-nixos-system-tau-26.11.20260920.5baae1f.drv
building '/nix/store/mh5dsk8a7748ng5nasncwcc3894i3xcn-etc.drv'
building '/nix/store/bmsyznmibjf8yc94kdcvqcmvcz5isnl5-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/a64x1ig20v6x38dmmzzq7gx5isnbnfsr-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=2026-09-23T03:07:34.490+09:00 level=INFO msg="Uploading 2 paths to niks3.sjanglab.org (1198 already cached)"
time=2026-09-23T03:07:34.490+09:00 level=INFO msg="Uploading xs16mg2hsy50bj3cqal6fj9n3zdy4lz1-nixos-system-tau-26.11.20260920.5baae1f (246.0KB)"
time=2026-09-23T03:07:34.493+09:00 level=INFO msg="Uploading 6q57xgxp4s5f01d3vsy4l3a16kvizl42-etc (55.1KB)"
time=2026-09-23T03:07:35.335+09:00 level=INFO msg="Uploading 2 narinfos"
time=2026-09-23T03:07:35.871+09:00 level=INFO msg="Upload complete. (1.751s)"