these 3 derivations will be built:
  /nix/store/f49lcdbx8zb9q4lgmpqjrk3i30hbqc2w-clan-cli.drv
  /nix/store/yx15bgv77sczhlxawj2pj8i9w0z5vp3a-python3-3.13.15-env.drv
  /nix/store/acgkhqlx51bw2xzk0dc421vqjl0kvph3-ui.drv
building '/nix/store/acgkhqlx51bw2xzk0dc421vqjl0kvph3-ui.drv'
ui> Sourcing python-remove-tests-dir-hook
ui> Sourcing python-catch-conflicts-hook.sh
ui> Sourcing python-remove-bin-bytecode-hook.sh
ui> Sourcing pypa-build-hook
ui> Sourcing python-runtime-deps-check-hook
ui> Using pythonRuntimeDepsCheckHook
ui> Sourcing pypa-install-hook
ui> Using pypaInstallPhase
ui> Sourcing python-imports-check-hook.sh
ui> Using pythonImportsCheckPhase
ui> Sourcing python-namespaces-hook
ui> Sourcing python-catch-conflicts-hook.sh
ui> Running phase: buildPhase

upload niks3: failed
time=2026-09-10T02:42:54.268Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T02:44:14.867Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=219.137489ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T02:45:30.564Z level=WARN msg="Request returned retryable status, retrying" attempt=3 max_attempts=6 backoff=375.383321ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T02:46:46.062Z level=WARN msg="Request returned retryable status, retrying" attempt=4 max_attempts=6 backoff=787.42231ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T02:48:03.084Z level=WARN msg="Request returned retryable status, retrying" attempt=5 max_attempts=6 backoff=1.547958516s status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T02:49:20.462Z level=ERROR msg="Fatal error" error="pushing paths: creating pending closures: creating pending closure: server returned 502: "