these 6 derivations will be built:
  /nix/store/0jiqs3xm1654ghg771sfcbwgf0aa3ls9-treefmt.drv
  /nix/store/db45zl934y6hj13m8454xwa9789xjmbf-playwright-browsers.drv
  /nix/store/lcikn4iv99s6lylkky0yvhj42qj5y0lw-python3-3.13.15-env.drv
  /nix/store/q9nf00w7lsq0w0ja9sba1hjnp8c6s1gq-clan-cli.drv
  /nix/store/s30nn6wkk4sqb3zjzhf3dmxs8mzx47ha-python3-3.13.15-env.drv
  /nix/store/6nn0796bv07qsmnmgff1p3r9q7w01py0-ui.drv
these 11 paths will be fetched (0.0 KiB download, 293.6 MiB unpacked):
  /nix/store/qvd3yd9ivz2kpmm99ffm9vv0hyzcv0b4-flake-edit.toml
  /nix/store/180nhdhfgizwx2561s55x6x9idinzdqj-gst-libav-1.26.11
  /nix/store/sibkkf3qsy8wjdxqw2zrlgv65h68818n-gst-plugins-ugly-1.26.11
  /nix/store/m4gn61rwbjhq7gbk33kpy9faxbgsjnm8-lint-cross-compat
  /nix/store/v24smjncl4r22nxzap6nlnsk440mhrp3-luakit-2.4.0
  /nix/store/jjr6rrn5abvf2q4y5bxhdcd5v3qh527f-nix-unit-2.34.2
  /nix/store/8cb1d2h03r0b012kg68z98h7zr5khdkv-nixf-diagnose-0.1.4
  /nix/store/91qac7mg3jidhi34fvx3v1din84fmx61-playwright-firefox
  /nix/store/9zzi9439z6idn51scjqs6jq5msq05h3s-ps-procps-4.0.6
  /nix/store/la17kwqm6rf5bsmidw5bb8pp69z46h9q-sizelint.toml
  /nix/store/d77xich00s4pphhwih3d33rkkf4ndnlb-treefmt.toml
building '/nix/store/lcikn4iv99s6lylkky0yvhj42qj5y0lw-python3-3.13.15-env.drv'
python3-3.13.15-env> structuredAttrs is enabled
python3-3.13.15-env> created 305 symlinks in user environment
building '/nix/store/db45zl934y6hj13m8454xwa9789xjmbf-playwright-browsers.drv'
building '/nix/store/s30nn6wkk4sqb3zjzhf3dmxs8mzx47ha-python3-3.13.15-env.drv'
python3-3.13.15-env> structuredAttrs is enabled
python3-3.13.15-env> created 247 symlinks in user environment
building '/nix/store/6nn0796bv07qsmnmgff1p3r9q7w01py0-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: "