these 4 derivations will be built:
  /nix/store/f7jsyc6l1zsnpk6kvxvzg3rvrw8jyzfq-etc-nix-registry.json.drv
  /nix/store/4dcmdxa6nml7176mkr65j3kf4sbnfx3j-etc.drv
  /nix/store/b21ip4mzsbc06w0d7x41nc1vdpkjn2ra-activate.drv
  /nix/store/r7yvh5pfj1jmirn0r394m80j7q08r6kw-nixos-system-cask-26.11.20260916.bb79322.drv
building '/nix/store/4dcmdxa6nml7176mkr65j3kf4sbnfx3j-etc.drv'
building '/nix/store/b21ip4mzsbc06w0d7x41nc1vdpkjn2ra-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/r7yvh5pfj1jmirn0r394m80j7q08r6kw-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=2026-10-01T22:03:30.589+09:00 level=INFO msg="Uploading 2 paths to niks3.mulatta.io (1036 already cached)"
time=2026-10-01T22:03:30.589+09:00 level=INFO msg="Uploading 8zwlfwskc9348jxw9afvab5zaianyzc2-etc (105.7KB)"
time=2026-10-01T22:03:30.589+09:00 level=INFO msg="Uploading 5271c91phdb51ccyc01wf48nxn314irf-nixos-system-cask-26.11.20260916.bb79322 (248.7KB)"
time=2026-10-01T22:03:31.055+09:00 level=INFO msg="Uploading 2 narinfos"
time=2026-10-01T22:03:31.498+09:00 level=INFO msg="Upload complete. (1.191s)"