these 4 derivations will be built:
  /nix/store/m7h34hqsr214qb7wawqyynn96ic6rgl0-etc-nix-registry.json.drv
  /nix/store/rwc8h02vbg70kbszc5b5n0452clsa200-etc.drv
  /nix/store/hp3fwjbi4cqnc0616dw68v86myq6751r-activate.drv
  /nix/store/z8qklv8zjh3g7qgqn2p8k9k6p645xwx2-nixos-system-taps-26.11.20260916.bb79322.drv
building '/nix/store/m7h34hqsr214qb7wawqyynn96ic6rgl0-etc-nix-registry.json.drv'
etc-nix-registry.json> structuredAttrs is enabled
building '/nix/store/rwc8h02vbg70kbszc5b5n0452clsa200-etc.drv'
building '/nix/store/hp3fwjbi4cqnc0616dw68v86myq6751r-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/z8qklv8zjh3g7qgqn2p8k9k6p645xwx2-nixos-system-taps-26.11.20260916.bb79322.drv'
nixos-system-taps-26.11.20260916.bb79322> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing mulatta/dots to https://niks3.mulatta.io
time=2026-10-01T23:08:51.622+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (714 already cached)"
time=2026-10-01T23:08:51.622+09:00 level=INFO msg="Uploading pr90pwgr8b947ib7vvwgvlwfr21hsgmg-etc (46.8KB)"
time=2026-10-01T23:08:51.623+09:00 level=INFO msg="Uploading 81y31dad68avw6hdmkz46bybndc2myfl-etc-nix-registry.json (416B)"
time=2026-10-01T23:08:51.623+09:00 level=INFO msg="Uploading q8crrqa785hhqvdzzv5zzls3kmmnyaan-nixos-system-taps-26.11.20260916.bb79322 (248.7KB)"
time=2026-10-01T23:08:51.623+09:00 level=INFO msg="Uploading 8hkpkff313ainq5amcf8pckkzwhy3cba-source (2.2MB)"
time=2026-10-01T23:08:52.799+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-10-01T23:08:53.178+09:00 level=INFO msg="Upload complete. (1.929s)"