these 4 derivations will be built:
  /nix/store/1vdb6pnhhy7nc75wjx16cb3zhrpskgmh-etc-nix-registry.json.drv
  /nix/store/sp5fqpcl3adr40a021xa4di3h9qw2z2c-etc.drv
  /nix/store/33ff04s5nc98wwwc08l14aqnfgl6hg3d-activate.drv
  /nix/store/an2a44ic2yp6i4z2lp9f331snnqzhqjp-nixos-system-taps-26.11.20260727.fc72407.drv
building '/nix/store/1vdb6pnhhy7nc75wjx16cb3zhrpskgmh-etc-nix-registry.json.drv'
building '/nix/store/sp5fqpcl3adr40a021xa4di3h9qw2z2c-etc.drv'
building '/nix/store/33ff04s5nc98wwwc08l14aqnfgl6hg3d-activate.drv'
building '/nix/store/an2a44ic2yp6i4z2lp9f331snnqzhqjp-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=2026-08-26T23:06:11.481+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (1326 already cached)"
time=2026-08-26T23:06:11.481+09:00 level=INFO msg="Uploading lnl0iv38h7yi37fadj1dhfnbjin12i1g-etc (99.8KB)"
time=2026-08-26T23:06:11.481+09:00 level=INFO msg="Uploading hc192fqlyqi1cs109cjbvg0qwr2k4932-nixos-system-taps-26.11.20260727.fc72407 (248.7KB)"
time=2026-08-26T23:06:11.481+09:00 level=INFO msg="Uploading 0ws8czz4pnsyspmkbl8za91lnq80h0gs-etc-nix-registry.json (416B)"
time=2026-08-26T23:06:11.481+09:00 level=INFO msg="Uploading yy0pwqylbqcnm33f12vkf4izs8p2cq7v-source (3.8MB)"
time=2026-08-26T23:06:12.742+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-08-26T23:06:13.461+09:00 level=INFO msg="Upload complete. (2.416s)"