these 4 derivations will be built:
  /nix/store/4rjk92hwvaqj31kv6zm3wg4gdgkvbnxx-etc-nix-registry.json.drv
  /nix/store/5rmbsgazqblrfj28rklkprmsx8220in1-etc.drv
  /nix/store/pfji5pyvjnjwh20haz8mhih37wbvkhad-activate.drv
  /nix/store/w55xvf8ydzbyh1his1d0r7dbpzwh8m2g-nixos-system-cask-26.11.20260916.bb79322.drv
building '/nix/store/5rmbsgazqblrfj28rklkprmsx8220in1-etc.drv'
building '/nix/store/pfji5pyvjnjwh20haz8mhih37wbvkhad-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/w55xvf8ydzbyh1his1d0r7dbpzwh8m2g-nixos-system-cask-26.11.20260916.bb79322.drv'
nixos-system-cask-26.11.20260916.bb79322> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing mulatta/dots to https://niks3.mulatta.io
time=2026-09-29T13:17:55.000+09:00 level=INFO msg="Uploading 2 paths to niks3.mulatta.io (1139 already cached)"
time=2026-09-29T13:17:55.000+09:00 level=INFO msg="Uploading ygxkqxjxpd0jrby40z2v15kmmrf0v1sy-etc (106.1KB)"
time=2026-09-29T13:17:55.001+09:00 level=INFO msg="Uploading y9w6saj3yzwrf2gacyns4fa7kq8pjbbh-nixos-system-cask-26.11.20260916.bb79322 (248.7KB)"
time=2026-09-29T13:17:55.430+09:00 level=INFO msg="Uploading 2 narinfos"
time=2026-09-29T13:17:55.820+09:00 level=INFO msg="Upload complete. (1.123s)"