these 4 derivations will be built:
  /nix/store/zhwf7ac6pk7hgrgw293fd9p7dbh554wb-etc-nix-registry.json.drv
  /nix/store/cip2d2xwv7l9vdd6cl5qf7wiyryii9gd-etc.drv
  /nix/store/m3jyyj99ysnpfkbg4vp0h97in41zlmpm-activate.drv
  /nix/store/x74ajcc3iz5n1n58jm744n5yv5r9qh0l-nixos-system-taps-26.11.20260916.bb79322.drv
building '/nix/store/zhwf7ac6pk7hgrgw293fd9p7dbh554wb-etc-nix-registry.json.drv'
etc-nix-registry.json> structuredAttrs is enabled
building '/nix/store/cip2d2xwv7l9vdd6cl5qf7wiyryii9gd-etc.drv'
building '/nix/store/m3jyyj99ysnpfkbg4vp0h97in41zlmpm-activate.drv'
activate> structuredAttrs is enabled
building '/nix/store/x74ajcc3iz5n1n58jm744n5yv5r9qh0l-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=2026-10-01T23:34:01.318+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (714 already cached)"
time=2026-10-01T23:34:01.318+09:00 level=INFO msg="Uploading 7hcv1kz4r1ii9r53fc2z7ynrdndh7vvs-etc (46.8KB)"
time=2026-10-01T23:34:01.318+09:00 level=INFO msg="Uploading c7s3w2kipm064k28gih9xa3cpplimd24-etc-nix-registry.json (416B)"
time=2026-10-01T23:34:01.318+09:00 level=INFO msg="Uploading y3azbfc3w9by2fsyrh4001j4rwd3cv6z-source (2.2MB)"
time=2026-10-01T23:34:01.320+09:00 level=INFO msg="Uploading 32fz733y0h8lnwqp4rcbaq50rp0vy0g9-nixos-system-taps-26.11.20260916.bb79322 (248.7KB)"
time=2026-10-01T23:34:02.464+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-10-01T23:34:03.104+09:00 level=INFO msg="Upload complete. (1.995s)"