these 4 derivations will be built:
  /nix/store/and1mbshx5ki5wfm5hckl5lgk61h45b0-etc-nix-registry.json.drv
  /nix/store/bfdpvf3xa4hys5cvrn0vp2s2i9vf4hmg-etc.drv
  /nix/store/vhypk7pzk9ks2kc2z28y7jjmimvbrh3d-activate.drv
  /nix/store/x64j5g9ai9rwa3bkg1f71m82cz3jkspa-nixos-system-taps-26.11.20260916.bb79322.drv
building '/nix/store/and1mbshx5ki5wfm5hckl5lgk61h45b0-etc-nix-registry.json.drv'
etc-nix-registry.json> structuredAttrs is enabled
building '/nix/store/bfdpvf3xa4hys5cvrn0vp2s2i9vf4hmg-etc.drv'
building '/nix/store/vhypk7pzk9ks2kc2z28y7jjmimvbrh3d-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/x64j5g9ai9rwa3bkg1f71m82cz3jkspa-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=2026-10-04T07:00:31.570+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (714 already cached)"
time=2026-10-04T07:00:31.570+09:00 level=INFO msg="Uploading r1jr268ksydb8cwmyn7nhqvgc7yz2x00-etc (46.8KB)"
time=2026-10-04T07:00:31.570+09:00 level=INFO msg="Uploading npncja051zsyjdsa82dr60srcps8fy9c-etc-nix-registry.json (416B)"
time=2026-10-04T07:00:31.570+09:00 level=INFO msg="Uploading 7znn7alc632fzww5380nkzlkl8wwmkxz-nixos-system-taps-26.11.20260916.bb79322 (248.7KB)"
time=2026-10-04T07:00:31.570+09:00 level=INFO msg="Uploading 672fyz05f5byrskb7b7gksmg65gbssy3-source (2.2MB)"
time=2026-10-04T07:00:32.491+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-10-04T07:00:32.936+09:00 level=INFO msg="Upload complete. (1.58s)"