these 4 derivations will be built:
  /nix/store/9b6dvqpgxdmzkl367a4i0688sq3dl6bm-etc-nix-registry.json.drv
  /nix/store/2ac03f64vcwqgjnp2bx2zl99x5c6a90w-etc.drv
  /nix/store/f7qrbimbh9d6wvzkgl5ghnyhkh3z1m28-activate.drv
  /nix/store/mz556mq7qphpwavh9clcnif3d1rla1p6-nixos-system-taps-26.11.20260916.bb79322.drv
building '/nix/store/9b6dvqpgxdmzkl367a4i0688sq3dl6bm-etc-nix-registry.json.drv'
etc-nix-registry.json> structuredAttrs is enabled
building '/nix/store/2ac03f64vcwqgjnp2bx2zl99x5c6a90w-etc.drv'
building '/nix/store/f7qrbimbh9d6wvzkgl5ghnyhkh3z1m28-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/mz556mq7qphpwavh9clcnif3d1rla1p6-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=2026-10-01T20:28:00.905+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (714 already cached)"
time=2026-10-01T20:28:00.905+09:00 level=INFO msg="Uploading 4gjzxi7c5rrlzdcr0nrpb1179q1wlz6p-etc (46.8KB)"
time=2026-10-01T20:28:00.905+09:00 level=INFO msg="Uploading j8akly3dhdc9xmd667jncr6pv8bzkbx8-source (2.2MB)"
time=2026-10-01T20:28:00.905+09:00 level=INFO msg="Uploading hv0x4w3jfap5b52ss2fp68bvm855znzy-etc-nix-registry.json (416B)"
time=2026-10-01T20:28:00.905+09:00 level=INFO msg="Uploading im59lkv7a6radiqc221ypifliqgj3d3z-nixos-system-taps-26.11.20260916.bb79322 (248.7KB)"
time=2026-10-01T20:28:01.581+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-10-01T20:28:02.121+09:00 level=INFO msg="Upload complete. (1.421s)"