these 4 derivations will be built:
  /nix/store/n71qrya4szbl6dilxm8y6maivkm1kr3l-etc-nix-registry.json.drv
  /nix/store/n8y0wfnrn8b7qwvzi1kmvih7gw0794gw-etc.drv
  /nix/store/77r0jvq5n5lv60bs7vc32b2jgikgzpr1-activate.drv
  /nix/store/j6yxk30dy39l0cnr94ag7xdh57yh8a6v-nixos-system-cask-26.11.20260916.bb79322.drv
building '/nix/store/n8y0wfnrn8b7qwvzi1kmvih7gw0794gw-etc.drv'
building '/nix/store/77r0jvq5n5lv60bs7vc32b2jgikgzpr1-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/j6yxk30dy39l0cnr94ag7xdh57yh8a6v-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=2026-10-01T07:51:30.120+09:00 level=INFO msg="Uploading 2 paths to niks3.mulatta.io (1036 already cached)"
time=2026-10-01T07:51:30.120+09:00 level=INFO msg="Uploading 921n70is2xh7wa8d207pxrpcsrl2jqmd-nixos-system-cask-26.11.20260916.bb79322 (248.7KB)"
time=2026-10-01T07:51:30.120+09:00 level=INFO msg="Uploading ziz9zby39vma25rf88dw4qlkizglghxk-etc (105.7KB)"
time=2026-10-01T07:51:30.586+09:00 level=INFO msg="Uploading 2 narinfos"
time=2026-10-01T07:51:31.315+09:00 level=INFO msg="Upload complete. (1.473s)"