these 4 derivations will be built:
  /nix/store/x8jmfl1jzayzy4g31spqrwiaf1zfnwbd-etc-nix-registry.json.drv
  /nix/store/fa29lz3aq42bw6qfwqaaxjrdrlbm2mpf-etc.drv
  /nix/store/r8pl0sy9vj679nsi5l55jdqfa1j6y7q5-activate.drv
  /nix/store/8l9fsy2wljki8pj47gzrc5hmj7fymwhd-nixos-system-tau-26.11.20260906.faf77a3.drv
building '/nix/store/x8jmfl1jzayzy4g31spqrwiaf1zfnwbd-etc-nix-registry.json.drv'
building '/nix/store/fa29lz3aq42bw6qfwqaaxjrdrlbm2mpf-etc.drv'
building '/nix/store/r8pl0sy9vj679nsi5l55jdqfa1j6y7q5-activate.drv'
building '/nix/store/8l9fsy2wljki8pj47gzrc5hmj7fymwhd-nixos-system-tau-26.11.20260906.faf77a3.drv'
nixos-system-tau-26.11.20260906.faf77a3> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing SBEE-Lab/infra to https://niks3.sjanglab.org
time=2026-09-17T15:31:44.255+09:00 level=INFO msg="Uploading 4 paths to niks3.sjanglab.org (1191 already cached)"
time=2026-09-17T15:31:44.255+09:00 level=INFO msg="Uploading vs9i898h4dhvfaami6p6qlbjbs6j656j-etc (54.2KB)"
time=2026-09-17T15:31:44.255+09:00 level=INFO msg="Uploading badifjsp7lm1gsiwmbc3whff6m0lvw2f-nixos-system-tau-26.11.20260906.faf77a3 (245.9KB)"
time=2026-09-17T15:31:44.255+09:00 level=INFO msg="Uploading fkfp3yzbfknm3k62x0nrxb94ayqhfwhb-source (4.9MB)"
time=2026-09-17T15:31:44.255+09:00 level=INFO msg="Uploading x9j8w8lhp7fw5hs07x633yxm60a834l0-etc-nix-registry.json (552B)"
time=2026-09-17T15:31:45.377+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-09-17T15:31:45.995+09:00 level=INFO msg="Upload complete. (2.044s)"