these 4 derivations will be built:
  /nix/store/dn1bw01rc9r2ccyxw3i1cfzmdxcrhg3w-etc-nix-registry.json.drv
  /nix/store/l5d8c17zyl9pn95ywziidgrfkyfny8gx-etc.drv
  /nix/store/a77001hrq9z7kpwxr4x0wn07gcr7pxb8-activate.drv
  /nix/store/6jgip7kcx0jxmgfxn02giz76aywjw8by-nixos-system-cask-26.11.20260727.fc72407.drv
building '/nix/store/dn1bw01rc9r2ccyxw3i1cfzmdxcrhg3w-etc-nix-registry.json.drv'
building '/nix/store/l5d8c17zyl9pn95ywziidgrfkyfny8gx-etc.drv'
building '/nix/store/a77001hrq9z7kpwxr4x0wn07gcr7pxb8-activate.drv'
building '/nix/store/6jgip7kcx0jxmgfxn02giz76aywjw8by-nixos-system-cask-26.11.20260727.fc72407.drv'
nixos-system-cask-26.11.20260727.fc72407> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing mulatta/dots to https://niks3.mulatta.io
time=2026-08-31T23:01:41.937+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (1356 already cached)"
time=2026-08-31T23:01:41.937+09:00 level=INFO msg="Uploading fk60ww60xkb50xx5b6d0p3ciaa2c0xa6-source (4.0MB)"
time=2026-08-31T23:01:41.937+09:00 level=INFO msg="Uploading 03s8mmq81xrxnbksqkc9acpkafvkh7bn-etc (104.2KB)"
time=2026-08-31T23:01:41.937+09:00 level=INFO msg="Uploading 1m7dizy95av56yi0szwyw47ah41xkvxn-nixos-system-cask-26.11.20260727.fc72407 (248.6KB)"
time=2026-08-31T23:01:41.937+09:00 level=INFO msg="Uploading v3xryw54dbv48vyb85kn2vfjjbjbsgib-etc-nix-registry.json (416B)"
time=2026-08-31T23:01:43.442+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-08-31T23:01:44.009+09:00 level=INFO msg="Upload complete. (2.529s)"