these 4 derivations will be built:
  /nix/store/vz80kys86za3qqm8vl74d42sfky98spf-clan-cli-source.drv
  /nix/store/923fx8mjlyw28111fgs6hy1cipbv2gbb-clan-cli.drv
  /nix/store/dqq397b1kh3qssbb5khhh3fif195m1ly-python3-3.13.15-env.drv
  /nix/store/sl9r7vxf362xn8pi526j0pabb1cvmxqh-ui.drv
building '/nix/store/dqq397b1kh3qssbb5khhh3fif195m1ly-python3-3.13.15-env.drv' on 'ssh-ng://builder@build04.clan.lol'
building '/nix/store/dqq397b1kh3qssbb5khhh3fif195m1ly-python3-3.13.15-env.drv'
python3-3.13.15-env> structuredAttrs is enabled
python3-3.13.15-env> created 245 symlinks in user environment
building '/nix/store/sl9r7vxf362xn8pi526j0pabb1cvmxqh-ui.drv' on 'ssh-ng://builder@build04.clan.lol'
building '/nix/store/sl9r7vxf362xn8pi526j0pabb1cvmxqh-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

post-build step Upload to niks3: ok
time=2026-08-19T20:12:33.001Z level=INFO msg="Uploading 3 paths to niks3.clan.lol (580 already cached)"
time=2026-08-19T20:12:33.001Z level=INFO msg="Uploading ql26dv28jxiz6ihlhaf9sg7lihqa8i1c-ui (68.7KB)"
time=2026-08-19T20:12:33.001Z level=INFO msg="Uploading hv890wvs4f4lcl7jg3bspjwr2s4kmckk-python3-3.13.15-env (655.3KB)"
time=2026-08-19T20:12:33.001Z level=INFO msg="Uploading 7yks72ysv6vak0hs3bpdyqf1anly39zz-clan-cli (3.6MB)"
time=2026-08-19T20:12:47.345Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=500 url="https://s3.eu-central-003.backblazeb2.com/clan-cache-geninf/nar/185i3ngq74i7yy01x7kfv5fc086afg0rs2h2527zh3zmd0aykbvl.nar.zst?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000009%2F20260819%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260819T201233Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=69a93630629ab4b0abbd9b16ef0f3923eacb1affabfeb39ac7821987d2c88cad"
time=2026-08-19T20:12:54.021Z level=INFO msg="Uploading 3 narinfos"
time=2026-08-19T20:12:54.802Z level=INFO msg="Upload complete. (21.96s)"