these 4 derivations will be built:
  /nix/store/2r4ll3cxcm2x151dgc5d48pzc34c5x72-etc-nix-registry.json.drv
  /nix/store/29829csc6pfgjbbfaibagycn9yvr0vnw-etc.drv
  /nix/store/56bkynb0z9fz03x2pvbh57wfhgxfyfnd-activate.drv
  /nix/store/0bgw22j75g6v6y8argcvxjf3q0wfpdbk-nixos-system-taps-26.11.20260727.fc72407.drv
building '/nix/store/2r4ll3cxcm2x151dgc5d48pzc34c5x72-etc-nix-registry.json.drv'
building '/nix/store/29829csc6pfgjbbfaibagycn9yvr0vnw-etc.drv'
building '/nix/store/56bkynb0z9fz03x2pvbh57wfhgxfyfnd-activate.drv'
building '/nix/store/0bgw22j75g6v6y8argcvxjf3q0wfpdbk-nixos-system-taps-26.11.20260727.fc72407.drv'
nixos-system-taps-26.11.20260727.fc72407> structuredAttrs is enabled

post-build step Route build to niks3: ok
Pushing mulatta/dots to https://niks3.mulatta.io
time=2026-08-27T19:21:08.766+09:00 level=INFO msg="Uploading 4 paths to niks3.mulatta.io (1346 already cached)"
time=2026-08-27T19:21:08.766+09:00 level=INFO msg="Uploading 6rmx440p4h2vfy2waxs0qlm6fl1d9vs3-etc (99.8KB)"
time=2026-08-27T19:21:08.766+09:00 level=INFO msg="Uploading lnd9md1di21495m19b02pd5h91a8nkdi-etc-nix-registry.json (416B)"
time=2026-08-27T19:21:08.766+09:00 level=INFO msg="Uploading pha55pyniz9vw80k0a6wly80adnia7z4-source (3.9MB)"
time=2026-08-27T19:21:08.766+09:00 level=INFO msg="Uploading ip28s5pdsi2b40r4989i17qhnqwpdsq8-nixos-system-taps-26.11.20260727.fc72407 (248.7KB)"
time=2026-08-27T19:21:09.987+09:00 level=INFO msg="Uploading 4 narinfos"
time=2026-08-27T19:21:10.576+09:00 level=INFO msg="Upload complete. (2.268s)"