these 4 derivations will be built:
  /nix/store/2174ipyp09vsnswcj98308ac26kliwnn-etc-nix-registry.json.drv
  /nix/store/0ylsbjjlslii2frxn5jskn90qslxq9gk-etc.drv
  /nix/store/mq4y97fbl6mcv6siw3jnfcxv2kf1mnfv-activate.drv
  /nix/store/hnl4rvpcdn5g9khpdxknk4syxlv938h0-nixos-system-cask-26.11.20260908.043b053.drv
building '/nix/store/0ylsbjjlslii2frxn5jskn90qslxq9gk-etc.drv'
building '/nix/store/mq4y97fbl6mcv6siw3jnfcxv2kf1mnfv-activate.drv'
building '/nix/store/hnl4rvpcdn5g9khpdxknk4syxlv938h0-nixos-system-cask-26.11.20260908.043b053.drv'
nixos-system-cask-26.11.20260908.043b053> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing mulatta/dots to https://niks3.mulatta.io
time=2026-09-15T22:00:45.191+09:00 level=INFO msg="Uploading 2 paths to niks3.mulatta.io (1138 already cached)"
time=2026-09-15T22:00:45.191+09:00 level=INFO msg="Uploading 6by8r5i2kp5jhfi5b5d0y5pqmndbr2zq-nixos-system-cask-26.11.20260908.043b053 (248.7KB)"
time=2026-09-15T22:00:45.191+09:00 level=INFO msg="Uploading i4nljxrll8l2a6l8gz02ivs9jyb1afji-etc (105.3KB)"
time=2026-09-15T22:00:46.488+09:00 level=INFO msg="Uploading 2 narinfos"
time=2026-09-15T22:00:47.012+09:00 level=INFO msg="Upload complete. (2.106s)"