these 4 derivations will be built:
  /nix/store/rj40zqjdns58gmiwcp27z7d4hknpsklb-etc-nix-registry.json.drv
  /nix/store/dsrkckbgpy3qii0qbfbrq8dr26n63skx-etc.drv
  /nix/store/kcv7nmmn7lkyn4116d220h2fjvy13y8j-activate.drv
  /nix/store/1asdhqfk478kk47yxkgb52nzymwscqgi-nixos-system-cask-26.11.20260916.bb79322.drv
building '/nix/store/rj40zqjdns58gmiwcp27z7d4hknpsklb-etc-nix-registry.json.drv'
etc-nix-registry.json> structuredAttrs is enabled
building '/nix/store/dsrkckbgpy3qii0qbfbrq8dr26n63skx-etc.drv'
building '/nix/store/kcv7nmmn7lkyn4116d220h2fjvy13y8j-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/1asdhqfk478kk47yxkgb52nzymwscqgi-nixos-system-cask-26.11.20260916.bb79322.drv'
nixos-system-cask-26.11.20260916.bb79322> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing mulatta/dots to https://niks3.mulatta.io
time=2026-10-01T23:34:47.752+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (1034 already cached)"
time=2026-10-01T23:34:47.752+09:00 level=INFO msg="Uploading 6fvnq33n7xm8qnc65rvapbmkmir88x3d-nixos-system-cask-26.11.20260916.bb79322 (248.7KB)"
time=2026-10-01T23:34:47.753+09:00 level=INFO msg="Uploading rdfs04scsh96x80gq01q0vpxvlwcpf4y-etc (105.7KB)"
time=2026-10-01T23:34:47.753+09:00 level=INFO msg="Uploading 1nbr8nsh5p848cycdnryfaymzn1by321-source (2.2MB)"
time=2026-10-01T23:34:47.753+09:00 level=INFO msg="Uploading n8m757i7f3pd91m96668hcc00qiz9bcq-etc-nix-registry.json (416B)"
time=2026-10-01T23:34:48.669+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-10-01T23:34:49.610+09:00 level=INFO msg="Upload complete. (2.153s)"