these 4 derivations will be built:
  /nix/store/jv4r3cw1hyjwcgin5n8krb3pc9ycxahs-etc-nix-registry.json.drv
  /nix/store/gk0rry92ajcwh4941blskxdx2s5y3ixk-etc.drv
  /nix/store/hkfyviq182q27yl4v6rinw23j7lb7v3z-activate.drv
  /nix/store/87ckq9ihh6pg9vvvw64qd60swsssq4gr-nixos-system-cask-26.11.20260906.2466bb6.drv
building '/nix/store/gk0rry92ajcwh4941blskxdx2s5y3ixk-etc.drv'
building '/nix/store/hkfyviq182q27yl4v6rinw23j7lb7v3z-activate.drv'
building '/nix/store/87ckq9ihh6pg9vvvw64qd60swsssq4gr-nixos-system-cask-26.11.20260906.2466bb6.drv'
nixos-system-cask-26.11.20260906.2466bb6> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing mulatta/dots to https://niks3.mulatta.io
time=2026-09-08T20:57:57.359+09:00 level=INFO msg="Uploading 2 paths to niks3.mulatta.io (1113 already cached)"
time=2026-09-08T20:57:57.359+09:00 level=INFO msg="Uploading dg7a5f0l360s9v1bgd3xw1snzah7fc1a-etc (105.3KB)"
time=2026-09-08T20:57:57.359+09:00 level=INFO msg="Uploading x7sk7rw1p18q2pds2fx9wld64jbg29jb-nixos-system-cask-26.11.20260906.2466bb6 (248.7KB)"
time=2026-09-08T20:57:58.832+09:00 level=INFO msg="Uploading 2 narinfos"
time=2026-09-08T20:57:59.630+09:00 level=INFO msg="Upload complete. (2.576s)"