these 4 derivations will be built:
  /nix/store/f5a5kw40sm0c441wxl2wdjfpmfrbfrcm-etc-nix-registry.json.drv
  /nix/store/lhvlrpvy0vaqysa4dp66i6wx34h0myaz-etc.drv
  /nix/store/mn1j93d5akcb9pi4m3pmb5wzvd2b4z4c-activate.drv
  /nix/store/mzznk95j9ny89h4rphmkkiv1kzvm3c0d-nixos-system-taps-26.11.20260916.bb79322.drv
building '/nix/store/f5a5kw40sm0c441wxl2wdjfpmfrbfrcm-etc-nix-registry.json.drv'
etc-nix-registry.json> structuredAttrs is enabled
building '/nix/store/lhvlrpvy0vaqysa4dp66i6wx34h0myaz-etc.drv'
building '/nix/store/mn1j93d5akcb9pi4m3pmb5wzvd2b4z4c-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/mzznk95j9ny89h4rphmkkiv1kzvm3c0d-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=2026-10-01T00:23:58.517+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (714 already cached)"
time=2026-10-01T00:23:58.517+09:00 level=INFO msg="Uploading lc436c8jfqy0rzsvj582r8l9j3vac61x-nixos-system-taps-26.11.20260916.bb79322 (248.7KB)"
time=2026-10-01T00:23:58.517+09:00 level=INFO msg="Uploading gn7qhfm250m988yfr395zv2a12lpfnb6-etc-nix-registry.json (416B)"
time=2026-10-01T00:23:58.517+09:00 level=INFO msg="Uploading vif7dm1hs7j3051xkxw40qvxikpcvhc4-etc (46.8KB)"
time=2026-10-01T00:23:58.518+09:00 level=INFO msg="Uploading zcck051j6vwvw1wayzp153fqpfyyg5pr-source (2.2MB)"
time=2026-10-01T00:23:59.691+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-10-01T00:24:00.149+09:00 level=INFO msg="Upload complete. (1.83s)"