these 4 derivations will be built:
  /nix/store/fi6a90mww70madz4jx6aqi7cl857v8n2-etc-nix-registry.json.drv
  /nix/store/55bkvhhc68a1p6366a9q5mm73hfwpcdw-etc.drv
  /nix/store/l7ralrrxi76zh804p0l34i008bd0xp2s-activate.drv
  /nix/store/kw42x71y2fvkm2gmz8109a1ycc6z398a-nixos-system-taps-26.11.20260916.bb79322.drv
building '/nix/store/fi6a90mww70madz4jx6aqi7cl857v8n2-etc-nix-registry.json.drv'
etc-nix-registry.json> structuredAttrs is enabled
building '/nix/store/55bkvhhc68a1p6366a9q5mm73hfwpcdw-etc.drv'
building '/nix/store/l7ralrrxi76zh804p0l34i008bd0xp2s-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/kw42x71y2fvkm2gmz8109a1ycc6z398a-nixos-system-taps-26.11.20260916.bb79322.drv'
nixos-system-taps-26.11.20260916.bb79322> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing mulatta/dots to https://niks3.mulatta.io
time=2026-10-01T00:19:34.322+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (714 already cached)"
time=2026-10-01T00:19:34.323+09:00 level=INFO msg="Uploading rnrwb7yf5gggzyhwl3x9j053lwjncay3-etc-nix-registry.json (416B)"
time=2026-10-01T00:19:34.323+09:00 level=INFO msg="Uploading 64gncazj9vxs2h4wwgd3y5zkhz2bga2z-nixos-system-taps-26.11.20260916.bb79322 (248.7KB)"
time=2026-10-01T00:19:34.323+09:00 level=INFO msg="Uploading f9b8yrb9rzjr5w8biq692ji16bg6mb1s-etc (46.8KB)"
time=2026-10-01T00:19:34.323+09:00 level=INFO msg="Uploading 6idamlqignzbmk3vsn72g6jyy89qk77a-source (2.2MB)"
time=2026-10-01T00:19:35.302+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-10-01T00:19:36.201+09:00 level=INFO msg="Upload complete. (2.071s)"