these 4 derivations will be built:
  /nix/store/3r2vm81wgx1r8mmiab1qpp9cdmpcgxqf-etc-nix-registry.json.drv
  /nix/store/2jys2v1zk41ir8kfwylf9964w44fhs8m-etc.drv
  /nix/store/y167is3nnqvd9zf9ia2wdyal6z9vl25v-activate.drv
  /nix/store/k90pklbdjnfzhr7bzqsq7k9lg5h3ih6l-nixos-system-taps-26.11.20260916.bb79322.drv
building '/nix/store/2jys2v1zk41ir8kfwylf9964w44fhs8m-etc.drv'
building '/nix/store/y167is3nnqvd9zf9ia2wdyal6z9vl25v-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/k90pklbdjnfzhr7bzqsq7k9lg5h3ih6l-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=2026-10-01T23:10:07.416+09:00 level=INFO msg="Uploading 2 paths to niks3.mulatta.io (716 already cached)"
time=2026-10-01T23:10:07.416+09:00 level=INFO msg="Uploading a0xkkagig9ihmzzvry8c7jfzgmhbvwdl-nixos-system-taps-26.11.20260916.bb79322 (248.7KB)"
time=2026-10-01T23:10:07.418+09:00 level=INFO msg="Uploading 08saiaw33sqzxrvx7s9fh27mgm9a2j6c-etc (46.8KB)"
time=2026-10-01T23:10:07.950+09:00 level=INFO msg="Uploading 2 narinfos"
time=2026-10-01T23:10:08.401+09:00 level=INFO msg="Upload complete. (1.327s)"