these 4 derivations will be built:
  /nix/store/7njxajganni1c81lqy8b4yrj4wv52ihi-etc-nix-registry.json.drv
  /nix/store/1npparnzygp3hkkw4j1hvak9fp5nycbv-etc.drv
  /nix/store/ra2p9a3mh7rmra7v2hx5ayi4sznm248i-activate.drv
  /nix/store/bgpgfg2d0mjd1l3i1n1qyj768rhg5haz-nixos-system-taps-26.11.20260916.bb79322.drv
building '/nix/store/7njxajganni1c81lqy8b4yrj4wv52ihi-etc-nix-registry.json.drv'
etc-nix-registry.json> structuredAttrs is enabled
building '/nix/store/1npparnzygp3hkkw4j1hvak9fp5nycbv-etc.drv'
building '/nix/store/ra2p9a3mh7rmra7v2hx5ayi4sznm248i-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/bgpgfg2d0mjd1l3i1n1qyj768rhg5haz-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=2026-10-04T06:59:25.552+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (714 already cached)"
time=2026-10-04T06:59:25.553+09:00 level=INFO msg="Uploading myiv4vjasq0vyp7gcclfkzxryvg1d78s-nixos-system-taps-26.11.20260916.bb79322 (248.7KB)"
time=2026-10-04T06:59:25.553+09:00 level=INFO msg="Uploading w30947j2dvm3fpzcn1bczm7kb6akfq8i-etc (46.8KB)"
time=2026-10-04T06:59:25.553+09:00 level=INFO msg="Uploading 62c7pyivc4wxhjnpr00x833my347548s-etc-nix-registry.json (416B)"
time=2026-10-04T06:59:25.553+09:00 level=INFO msg="Uploading qk17dkkr62fi3js6k60zdfi0dgd7a41h-source (2.2MB)"
time=2026-10-04T06:59:26.366+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-10-04T06:59:26.785+09:00 level=INFO msg="Upload complete. (1.444s)"