these 3 derivations will be built:
  /nix/store/42y8f9a9mqj5cbizf22al0m5wi0pgpy6-playwright-browsers.drv
  /nix/store/xa0lz9gy0n936p2i0xridnris9rhzamw-treefmt.drv
  /nix/store/x06k4vzd4yy9rz5acy50kqak6ivrdzdq-ui.drv
these 15 paths will be fetched (0.0 KiB download, 710.6 MiB unpacked):
  /nix/store/6xdla4dnxgxldbf8h78qwa1wmasbxr4s-gst-libav-1.26.11
  /nix/store/4cl28k3maj4fxiayky1j00jszg5dihk5-gst-plugins-good-1.26.11
  /nix/store/61cxi6bjia2c4pfiv7c1r8rkpys2zkhw-gst-plugins-ugly-1.26.11
  /nix/store/13gsszdk5zi8rbr0f30rhdzd1vd4axqg-gtk4-4.22.4-dev
  /nix/store/glx2dshc4bpibs99a4mizxh9ym95040k-json2ts-15.0.2
  /nix/store/mdp3aaaxfgbynr3fg56bihw2avmfklav-luakit-2.4.0
  /nix/store/3gyxlqiigc4kla7lwmqs795k2856y5h2-nodejs-24.19.0-source
  /nix/store/v9ij0bzyhkyfx5iznsibi9g7hpa0yr9v-nodejs-install-executables
  /nix/store/b4x4sjc0wrlm7361hmm01s7my2290c98-npm-config-hook
  /nix/store/m5a1l99wqhm522x060bsjz6k8qj26vqb-npm-install-hook
  /nix/store/57niw8zasz1x33i9n09kczd32vnad7qs-playwright-firefox
  /nix/store/l2r1g5hwi6sl0i3gm1w75zj8nxj2fail-webkitgtk-2.52.6+abi=4.1
  /nix/store/27rm2cww5s2ca9swvvi87h0d3liw7h2d-webkitgtk-2.52.6+abi=6.0
  /nix/store/wcp2xbqyvz0kxn9f9ailc9f0s30qm89w-webview-nightly
  /nix/store/p9d516r4fkpibqcbm5w3njxbcy4cdx2h-wrap-gapps-hook
building '/nix/store/42y8f9a9mqj5cbizf22al0m5wi0pgpy6-playwright-browsers.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/42y8f9a9mqj5cbizf22al0m5wi0pgpy6-playwright-browsers.drv'
building '/nix/store/x06k4vzd4yy9rz5acy50kqak6ivrdzdq-ui.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/x06k4vzd4yy9rz5acy50kqak6ivrdzdq-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=2026-09-10T00:34:58.594Z 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=2026-09-10T00:36:03.546Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=187.155328ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T00:41:38.531Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T00:46:38.632Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=182.285456ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T00:52:05.427Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T00:57:05.530Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=216.110839ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T01:02:05.748Z level=WARN msg="Request returned retryable status, retrying" attempt=3 max_attempts=6 backoff=374.38175ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T01:07:06.123Z level=WARN msg="Request returned retryable status, retrying" attempt=4 max_attempts=6 backoff=789.765369ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T01:12:06.915Z level=WARN msg="Request returned retryable status, retrying" attempt=5 max_attempts=6 backoff=1.610297597s status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T01:17:08.527Z level=ERROR msg="Fatal error" error="pushing paths: creating pending closures: creating pending closure: server returned 504: "