these 4 derivations will be built:
  /nix/store/48gl3rpfy5zhsnskickmlcgl7b5bgwml-etc-nix-registry.json.drv
  /nix/store/m0q20kk8pw1vi3d2gg0nh53aj57yc6rd-etc.drv
  /nix/store/j2r1g1vnd8wxnxiiqwp296d41qwm6c4r-activate.drv
  /nix/store/zsngwh6iaxv0d5hm93zp3lxjbfpzsj5y-nixos-system-taps-26.11.20260727.fc72407.drv
building '/nix/store/48gl3rpfy5zhsnskickmlcgl7b5bgwml-etc-nix-registry.json.drv'
building '/nix/store/m0q20kk8pw1vi3d2gg0nh53aj57yc6rd-etc.drv'
building '/nix/store/j2r1g1vnd8wxnxiiqwp296d41qwm6c4r-activate.drv'
building '/nix/store/zsngwh6iaxv0d5hm93zp3lxjbfpzsj5y-nixos-system-taps-26.11.20260727.fc72407.drv'
nixos-system-taps-26.11.20260727.fc72407> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing mulatta/dots to https://niks3.mulatta.io
time=2026-08-25T13:51:19.727+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (1326 already cached)"
time=2026-08-25T13:51:19.727+09:00 level=INFO msg="Uploading 1nkhzwwgi40y0l89cvr3xrm28blwykap-source (3.8MB)"
time=2026-08-25T13:51:19.727+09:00 level=INFO msg="Uploading fqis8mmsi86av5wdsihyqgpalld5gyka-etc-nix-registry.json (416B)"
time=2026-08-25T13:51:19.728+09:00 level=INFO msg="Uploading jqr19y3yxmrxap7xp9g1si8c7z0qbc57-nixos-system-taps-26.11.20260727.fc72407 (248.7KB)"
time=2026-08-25T13:51:19.728+09:00 level=INFO msg="Uploading ygcdlvhcz4ia382vym9x811j25k854s3-etc (99.8KB)"
time=2026-08-25T13:51:20.929+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-08-25T13:51:21.365+09:00 level=INFO msg="Upload complete. (1.983s)"