these 4 derivations will be built:
  /nix/store/j77y4z3dwz9hl0rj4whxmx671fqabvcv-etc-nix-registry.json.drv
  /nix/store/yirb9r2kvdh65ckskvrg2l38ld00i6mn-etc.drv
  /nix/store/1b1qrx4sndixy3c692z40drdaa8pbyh0-activate.drv
  /nix/store/9rwiclv73dpvgrrd4m2w5lfa15417bii-nixos-system-tau-26.11.20260906.faf77a3.drv
building '/nix/store/j77y4z3dwz9hl0rj4whxmx671fqabvcv-etc-nix-registry.json.drv'
building '/nix/store/yirb9r2kvdh65ckskvrg2l38ld00i6mn-etc.drv'
building '/nix/store/1b1qrx4sndixy3c692z40drdaa8pbyh0-activate.drv'
building '/nix/store/9rwiclv73dpvgrrd4m2w5lfa15417bii-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=2026-09-21T21:32:00.113+09:00 level=INFO msg="Uploading 4 paths to niks3.sjanglab.org (1191 already cached)"
time=2026-09-21T21:32:00.113+09:00 level=INFO msg="Uploading jc5ilqsjck9gabxf09cdwdm74cjv5nig-etc (54.2KB)"
time=2026-09-21T21:32:00.114+09:00 level=INFO msg="Uploading gwb7ibfd0s2y9d0x5msk0bjqda6n5vin-source (4.9MB)"
time=2026-09-21T21:32:00.114+09:00 level=INFO msg="Uploading b3vi8qsbjlnjl3lj3icx7b3ak1pl5y6d-etc-nix-registry.json (552B)"
time=2026-09-21T21:32:00.114+09:00 level=INFO msg="Uploading ywmkg1w62368kcj38g57kgbwp0kvqqk8-nixos-system-tau-26.11.20260906.faf77a3 (245.9KB)"
time=2026-09-21T21:32:01.479+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-09-21T21:32:02.364+09:00 level=INFO msg="Upload complete. (2.65s)"