these 3 derivations will be built:
  /nix/store/n7lp4w56mgi0xq7q2rkw9a8pnmvwcpyj-rendered.drv
  /nix/store/qihsfmfsylr0pb91hbab5yq27kq08hhh-generated-docs.drv
  /nix/store/3d5q23d52fwn8dnn3d5x18109b493s4j-nix-shell.drv
building '/nix/store/3d5q23d52fwn8dnn3d5x18109b493s4j-nix-shell.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/3d5q23d52fwn8dnn3d5x18109b493s4j-nix-shell.drv'
nix-shell> 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: "