these 4 derivations will be built:
  /nix/store/2rn7sxd1pnsklq8xdrwr0fi0l3z6sf0i-etc-nix-registry.json.drv
  /nix/store/r0i5zkmnz74d124yrmmr2512i3bdig02-etc.drv
  /nix/store/mz8h5mf5nccfz26bzlam85z9ppi74qw6-activate.drv
  /nix/store/h2hfl777y0yd6zxzn0mxkzrds7amsmk0-nixos-system-tau-26.11.20260823.203b7a4.drv
building '/nix/store/2rn7sxd1pnsklq8xdrwr0fi0l3z6sf0i-etc-nix-registry.json.drv'
building '/nix/store/r0i5zkmnz74d124yrmmr2512i3bdig02-etc.drv'
building '/nix/store/mz8h5mf5nccfz26bzlam85z9ppi74qw6-activate.drv'
building '/nix/store/h2hfl777y0yd6zxzn0mxkzrds7amsmk0-nixos-system-tau-26.11.20260823.203b7a4.drv'
nixos-system-tau-26.11.20260823.203b7a4> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing SBEE-Lab/infra to https://niks3.sjanglab.org
time=2026-09-04T12:48:01.054+09:00 level=INFO msg="Uploading 4 paths to niks3.sjanglab.org (1189 already cached)"
time=2026-09-04T12:48:01.054+09:00 level=INFO msg="Uploading 3aa6v2ixk4nvgrrcrwb7kzmr0hnqm6ww-nixos-system-tau-26.11.20260823.203b7a4 (245.9KB)"
time=2026-09-04T12:48:01.055+09:00 level=INFO msg="Uploading wq0qm2mpxlcrswv3lgmshhzvf0vxcmyn-source (4.9MB)"
time=2026-09-04T12:48:01.055+09:00 level=INFO msg="Uploading bm9jl5mnmn6qjshji3vnjrcv6pjgcl84-etc (54.2KB)"
time=2026-09-04T12:48:01.055+09:00 level=INFO msg="Uploading qh8xv39lwc33wr6j3nm3vy4db4kx7imr-etc-nix-registry.json (552B)"
time=2026-09-04T12:48:03.257+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-09-04T12:48:04.268+09:00 level=INFO msg="Upload complete. (3.508s)"