these 3 derivations will be built:
  /nix/store/42y8f9a9mqj5cbizf22al0m5wi0pgpy6-playwright-browsers.drv
  /nix/store/xa0lz9gy0n936p2i0xridnris9rhzamw-treefmt.drv
  /nix/store/78gl795nljkqd6i1pdki1p38j58pjfzk-ui.drv
these 14 paths will be fetched (0.0 KiB download, 708.9 MiB unpacked):
  /nix/store/563yxr6szlh7h0x6kk6l7vrmpp2bjnc4-appstream-1.1.2
  /nix/store/29binpj1ymv40p9y5x92n3pqb1gsshfa-clan-lib-openapi
  /nix/store/k71gl52by7mj8yph3yxxmcym7cmsnz37-clan-ts-api
  /nix/store/dkvd67wl360q8cxndryf6j5yniiq40gn-enchant-2.6.9
  /nix/store/13gsszdk5zi8rbr0f30rhdzd1vd4axqg-gtk4-4.22.4-dev
  /nix/store/glx2dshc4bpibs99a4mizxh9ym95040k-json2ts-15.0.2
  /nix/store/da1plqhf0fhcdsqg09qnf6zxjiny1chk-libadwaita-1.9.3
  /nix/store/mdp3aaaxfgbynr3fg56bihw2avmfklav-luakit-2.4.0
  /nix/store/4y2fk5xyrdh9rp535bim6p6sv7ghq8w1-nuspell-5.1.7-lib
  /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/78gl795nljkqd6i1pdki1p38j58pjfzk-ui.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/78gl795nljkqd6i1pdki1p38j58pjfzk-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=2026-09-09T00:16:45.564Z 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=2026-09-09T00:21:45.665Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=194.852146ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-09T00:26:45.862Z level=WARN msg="Request returned retryable status, retrying" attempt=3 max_attempts=6 backoff=430.412196ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-09T00:31:46.294Z level=WARN msg="Request returned retryable status, retrying" attempt=4 max_attempts=6 backoff=816.064064ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-09T00:36:47.112Z level=WARN msg="Request returned retryable status, retrying" attempt=5 max_attempts=6 backoff=1.534920561s status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-09T00:41:48.649Z level=ERROR msg="Fatal error" error="pushing paths: creating pending closures: creating pending closure: server returned 504: "