these 4 derivations will be built:
  /nix/store/v77a43bw3p3wryqjd103j7j1iqyr815l-etc-nix-registry.json.drv
  /nix/store/9imf5ws0n838xmfkyz8714aham5gqyf9-etc.drv
  /nix/store/7zc454byidz4ynpqcbl1fd5593mwyis9-activate.drv
  /nix/store/f82s0r2nhxawr86wnqwwv1njlvkxyfdr-nixos-system-taps-26.11.20260906.2466bb6.drv
building '/nix/store/v77a43bw3p3wryqjd103j7j1iqyr815l-etc-nix-registry.json.drv'
building '/nix/store/9imf5ws0n838xmfkyz8714aham5gqyf9-etc.drv'
building '/nix/store/7zc454byidz4ynpqcbl1fd5593mwyis9-activate.drv'
building '/nix/store/f82s0r2nhxawr86wnqwwv1njlvkxyfdr-nixos-system-taps-26.11.20260906.2466bb6.drv'
nixos-system-taps-26.11.20260906.2466bb6> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing mulatta/dots to https://niks3.mulatta.io
time=2026-09-08T21:02:25.375+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (713 already cached)"
time=2026-09-08T21:02:25.376+09:00 level=INFO msg="Uploading l2z21y3p2nhk8dia1n3kj9i3s60g9sbn-nixos-system-taps-26.11.20260906.2466bb6 (248.6KB)"
time=2026-09-08T21:02:25.376+09:00 level=INFO msg="Uploading slw1ri09jwpdjgviif1qm0zdcg12bkqf-etc (45.9KB)"
time=2026-09-08T21:02:25.376+09:00 level=INFO msg="Uploading qlriizaai6k8ignndxm5677hfa42wp1p-etc-nix-registry.json (416B)"
time=2026-09-08T21:02:25.377+09:00 level=INFO msg="Uploading q5r24b2ss7291mnkxxs8i0w2li859lnh-source (4.0MB)"
time=2026-09-08T21:02:27.004+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-09-08T21:02:27.882+09:00 level=INFO msg="Upload complete. (2.73s)"