these 4 derivations will be built:
  /nix/store/sa1rq3giyaa006cw0wpncq7k7qs6ymb4-etc-nix-registry.json.drv
  /nix/store/bv8s332pyrwz36yyvwcg0h5nhc72dqml-etc.drv
  /nix/store/msagsi86pn3d21raddzr18y6gcdl0jl3-activate.drv
  /nix/store/13q7yzcij22zx7yk7ljxy7wkd1h812mk-nixos-system-taps-26.11.20260727.fc72407.drv
building '/nix/store/sa1rq3giyaa006cw0wpncq7k7qs6ymb4-etc-nix-registry.json.drv'
building '/nix/store/bv8s332pyrwz36yyvwcg0h5nhc72dqml-etc.drv'
building '/nix/store/msagsi86pn3d21raddzr18y6gcdl0jl3-activate.drv'
building '/nix/store/13q7yzcij22zx7yk7ljxy7wkd1h812mk-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=2026-08-27T19:30:44.328+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (1346 already cached)"
time=2026-08-27T19:30:44.328+09:00 level=INFO msg="Uploading cw01slqrfmgr41wngkllli2r5pv980j6-etc-nix-registry.json (416B)"
time=2026-08-27T19:30:44.329+09:00 level=INFO msg="Uploading 2aq33sfypndbf0w9zw35rj2hy5y3flx7-nixos-system-taps-26.11.20260727.fc72407 (248.7KB)"
time=2026-08-27T19:30:44.329+09:00 level=INFO msg="Uploading a1nzz18rjc3kgblvvpxv0wkyaral1xfl-etc (99.8KB)"
time=2026-08-27T19:30:44.329+09:00 level=INFO msg="Uploading v06f8w2w8xmddp2q372yiqimarlihyxf-source (3.9MB)"
time=2026-08-27T19:30:46.142+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-08-27T19:30:46.675+09:00 level=INFO msg="Upload complete. (2.669s)"