these 4 derivations will be built:
  /nix/store/kgj51dqjcpdpam2gc3mll6kqz83yic0b-etc-nix-registry.json.drv
  /nix/store/qbn5lzv2ih1v69w17y4gcnypj1swzjcs-etc.drv
  /nix/store/6s73ksmbys2nq3g5kw3vdivlf9rk3q5x-activate.drv
  /nix/store/2x3s4gamqx74w5zs8sj1mdqq2hy2ijq1-nixos-system-cask-26.11.20260916.bb79322.drv
building '/nix/store/qbn5lzv2ih1v69w17y4gcnypj1swzjcs-etc.drv'
building '/nix/store/6s73ksmbys2nq3g5kw3vdivlf9rk3q5x-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/2x3s4gamqx74w5zs8sj1mdqq2hy2ijq1-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=2026-10-01T23:35:25.349+09:00 level=INFO msg="Uploading 2 paths to niks3.mulatta.io (1036 already cached)"
time=2026-10-01T23:35:25.350+09:00 level=INFO msg="Uploading 18ycni83acqhphf9hvzcldyqpzan98va-nixos-system-cask-26.11.20260916.bb79322 (248.7KB)"
time=2026-10-01T23:35:25.350+09:00 level=INFO msg="Uploading spw4dpgiczs7hm0dwhxc9gxdn685vir3-etc (105.7KB)"
time=2026-10-01T23:35:25.866+09:00 level=INFO msg="Uploading 2 narinfos"
time=2026-10-01T23:35:26.309+09:00 level=INFO msg="Upload complete. (1.248s)"