these 4 derivations will be built:
  /nix/store/3qdsp81ij2qy4l8qh1rc1x05lj0vv1si-etc-nix-registry.json.drv
  /nix/store/f3mnzh6halmr4vqa74whcaf8970yrq7l-etc.drv
  /nix/store/yb2bwkwgisy4fn0ynanizjq78gck9snk-activate.drv
  /nix/store/s1lcfdk3iv6vp80l0f1682ng7akgc3v6-nixos-system-cask-26.11.20260727.fc72407.drv
building '/nix/store/f3mnzh6halmr4vqa74whcaf8970yrq7l-etc.drv'
building '/nix/store/yb2bwkwgisy4fn0ynanizjq78gck9snk-activate.drv'
building '/nix/store/s1lcfdk3iv6vp80l0f1682ng7akgc3v6-nixos-system-cask-26.11.20260727.fc72407.drv'
nixos-system-cask-26.11.20260727.fc72407> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing mulatta/dots to https://niks3.mulatta.io
time=2026-08-29T22:36:11.591+09:00 level=INFO msg="Uploading 2 paths to niks3.mulatta.io (1343 already cached)"
time=2026-08-29T22:36:11.591+09:00 level=INFO msg="Uploading m3z9ncb2b4qg6802pd54cb2xqm4d57kq-nixos-system-cask-26.11.20260727.fc72407 (248.6KB)"
time=2026-08-29T22:36:11.591+09:00 level=INFO msg="Uploading f6i05gdr2cwcxpfdghszhi5jpwi1h3aq-etc (104.2KB)"
time=2026-08-29T22:36:12.646+09:00 level=INFO msg="Uploading 2 narinfos"
time=2026-08-29T22:36:13.147+09:00 level=INFO msg="Upload complete. (1.875s)"