these 4 derivations will be built:
  /nix/store/j3w79xr73dhryd86l6klswnlaksqw0ll-etc-nix-registry.json.drv
  /nix/store/qnl600kkshvkixr0gx26bjmqrh20ka3v-etc.drv
  /nix/store/q44d57xl7sqyvlrqcpxgf8pzfap028d7-activate.drv
  /nix/store/9vmmfdmz57m2isgq5n15mpg1anpv440x-nixos-system-cask-26.11.20260916.bb79322.drv
building '/nix/store/qnl600kkshvkixr0gx26bjmqrh20ka3v-etc.drv'
building '/nix/store/q44d57xl7sqyvlrqcpxgf8pzfap028d7-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/9vmmfdmz57m2isgq5n15mpg1anpv440x-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=2026-10-03T23:27:56.254+09:00 level=INFO msg="Uploading 2 paths to niks3.mulatta.io (1036 already cached)"
time=2026-10-03T23:27:56.254+09:00 level=INFO msg="Uploading 1hnmnfrxlx2w4k7isr18nqy2b06izy6n-nixos-system-cask-26.11.20260916.bb79322 (248.7KB)"
time=2026-10-03T23:27:56.255+09:00 level=INFO msg="Uploading gq6wma6l5y28c463ccif4n2pkflmxid5-etc (105.7KB)"
time=2026-10-03T23:27:56.768+09:00 level=INFO msg="Uploading 2 narinfos"
time=2026-10-03T23:27:57.592+09:00 level=INFO msg="Upload complete. (1.621s)"