these 3 derivations will be built:
  /nix/store/njqml0jczyrjs1r434vm834fwpynxbix-etc.drv
  /nix/store/pa47qbb9dy1sjyckxl16yy0gnr1xml8f-activate.drv
  /nix/store/i88kgyn27k59h8k6ig79q81961v209dc-nixos-system-tau-26.11.20260920.5baae1f.drv
building '/nix/store/njqml0jczyrjs1r434vm834fwpynxbix-etc.drv'
building '/nix/store/pa47qbb9dy1sjyckxl16yy0gnr1xml8f-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/i88kgyn27k59h8k6ig79q81961v209dc-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=2026-09-30T14:52:49.467+09:00 level=INFO msg="Uploading 2 paths to niks3.sjanglab.org (1198 already cached)"
time=2026-09-30T14:52:49.468+09:00 level=INFO msg="Uploading krwg6gfs0k671wfr7ip3x77kpdrmbw21-etc (55.1KB)"
time=2026-09-30T14:52:49.468+09:00 level=INFO msg="Uploading vbg4g6hcnwvgzg6gl2z8jzcfwpnni5a0-nixos-system-tau-26.11.20260920.5baae1f (246.0KB)"
time=2026-09-30T14:52:50.081+09:00 level=INFO msg="Uploading 2 narinfos"
time=2026-09-30T14:52:50.703+09:00 level=INFO msg="Upload complete. (1.556s)"