these 4 derivations will be built:
  /nix/store/36x06g8a969fkyq2by5qvxm4q2d8548b-etc-nix-registry.json.drv
  /nix/store/rrp86wv0s1w1w64dba87jqwsp48vz2pn-etc.drv
  /nix/store/f8s64q5gdf37b9bzxac8m4rn4134gld7-activate.drv
  /nix/store/p31882b4gnqwgmy13qfcs1djqqmf5vlk-nixos-system-cask-26.11.20260916.bb79322.drv
building '/nix/store/36x06g8a969fkyq2by5qvxm4q2d8548b-etc-nix-registry.json.drv'
etc-nix-registry.json> structuredAttrs is enabled
building '/nix/store/rrp86wv0s1w1w64dba87jqwsp48vz2pn-etc.drv'
building '/nix/store/f8s64q5gdf37b9bzxac8m4rn4134gld7-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/p31882b4gnqwgmy13qfcs1djqqmf5vlk-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=2026-10-03T07:50:10.863+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (1034 already cached)"
time=2026-10-03T07:50:10.863+09:00 level=INFO msg="Uploading wx1zp98m299fsjgirnb4b6628d0zkxg7-source (2.2MB)"
time=2026-10-03T07:50:10.863+09:00 level=INFO msg="Uploading 6hc87rlwf1crzsf6yzvz9razhszv1p24-etc (105.7KB)"
time=2026-10-03T07:50:10.863+09:00 level=INFO msg="Uploading x7w1649cw3s0d3wq30nzbazd86r3m4a7-nixos-system-cask-26.11.20260916.bb79322 (248.7KB)"
time=2026-10-03T07:50:10.863+09:00 level=INFO msg="Uploading dsv65bd4vvv1wx7ycnphx4x8r9rdmsx6-etc-nix-registry.json (416B)"
time=2026-10-03T07:50:11.346+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-10-03T07:50:11.855+09:00 level=INFO msg="Upload complete. (1.259s)"