these 4 derivations will be built:
  /nix/store/ypvwld56nvwpncqmzahj53nr7jw74lfw-etc-nix-registry.json.drv
  /nix/store/0acp52kzaj4libb9ysdhlhln1q75336p-etc.drv
  /nix/store/vn1i1733by3mhk5plfijfx7r2hdvqcgr-activate.drv
  /nix/store/xgmsn14j16pqw3mvi6wjcgrjl58wis6c-nixos-system-taps-26.11.20260727.fc72407.drv
building '/nix/store/ypvwld56nvwpncqmzahj53nr7jw74lfw-etc-nix-registry.json.drv'
building '/nix/store/0acp52kzaj4libb9ysdhlhln1q75336p-etc.drv'
building '/nix/store/vn1i1733by3mhk5plfijfx7r2hdvqcgr-activate.drv'
building '/nix/store/xgmsn14j16pqw3mvi6wjcgrjl58wis6c-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=2026-08-27T01:32:03.420+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (1326 already cached)"
time=2026-08-27T01:32:03.420+09:00 level=INFO msg="Uploading 44abz3d54dza8fazr8s8i4yyfbizfdwf-etc-nix-registry.json (416B)"
time=2026-08-27T01:32:03.420+09:00 level=INFO msg="Uploading r5pa9x444md1kgjq3ixp3d63ixm5dyx3-nixos-system-taps-26.11.20260727.fc72407 (248.7KB)"
time=2026-08-27T01:32:03.420+09:00 level=INFO msg="Uploading lr9qyqllgcr27kl7xls06fjf4qj8r8vf-source (3.9MB)"
time=2026-08-27T01:32:03.420+09:00 level=INFO msg="Uploading 69sq66yak5pcblnib0fz3khp5s0ybxrw-etc (99.8KB)"
time=2026-08-27T01:32:04.708+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-08-27T01:32:05.278+09:00 level=INFO msg="Upload complete. (2.166s)"