these 4 derivations will be built:
  /nix/store/7r9dg1hy23kcjjpvf920zb99ll4vy1p6-etc-nix-registry.json.drv
  /nix/store/2ld6bb8f176y64v9n71lhbhi5lyn9p9n-etc.drv
  /nix/store/krp8b5kzxa48nj6i6aw0ar2sdiv4n9y0-activate.drv
  /nix/store/c4nfp3lpdvpnmv07rhiy968ajkg3hkp1-nixos-system-cask-26.11.20260727.fc72407.drv
building '/nix/store/7r9dg1hy23kcjjpvf920zb99ll4vy1p6-etc-nix-registry.json.drv'
building '/nix/store/2ld6bb8f176y64v9n71lhbhi5lyn9p9n-etc.drv'
building '/nix/store/krp8b5kzxa48nj6i6aw0ar2sdiv4n9y0-activate.drv'
building '/nix/store/c4nfp3lpdvpnmv07rhiy968ajkg3hkp1-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=2026-08-31T22:22:55.696+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (1356 already cached)"
time=2026-08-31T22:22:55.696+09:00 level=INFO msg="Uploading n2mq79n7k4gssxm6qkxvwfvwr8763r61-source (4.0MB)"
time=2026-08-31T22:22:55.697+09:00 level=INFO msg="Uploading 9clpxlhc23ccvmgl2r2q2kasn66jp6hy-etc-nix-registry.json (416B)"
time=2026-08-31T22:22:55.697+09:00 level=INFO msg="Uploading 3ba1i6s7ijc03b9s12kcvpxavyqn8n5g-nixos-system-cask-26.11.20260727.fc72407 (248.6KB)"
time=2026-08-31T22:22:55.697+09:00 level=INFO msg="Uploading 7kkwq4c7rx2qnk72pv1sfjxnx8yllkh9-etc (104.2KB)"
time=2026-08-31T22:22:56.865+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-08-31T22:22:57.404+09:00 level=INFO msg="Upload complete. (2.047s)"