these 3 derivations will be built:
  /nix/store/h8qv4sq7vs71prbvy3mgh7234qf1ddh5-clan-cli-source.drv
  /nix/store/in4w4g55akibvaavwh3md5q4gliz1m4q-clan-cli.drv
  /nix/store/2x4gzfixpz6b8gh26gnrxrss8s60d1ji-nix-shell.drv
building '/nix/store/2x4gzfixpz6b8gh26gnrxrss8s60d1ji-nix-shell.drv' on 'ssh-ng://builder@build04.clan.lol'
building '/nix/store/2x4gzfixpz6b8gh26gnrxrss8s60d1ji-nix-shell.drv'
nix-shell> Running phase: buildPhase

upload niks3: failed
time=2026-09-10T01:58:01.279Z 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=2026-09-10T01:59:20.426Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=180.334811ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T02:00:34.676Z level=WARN msg="Request returned retryable status, retrying" attempt=3 max_attempts=6 backoff=414.364712ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T02:01:50.996Z level=WARN msg="Request returned retryable status, retrying" attempt=4 max_attempts=6 backoff=804.501736ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T02:03:18.065Z level=WARN msg="Request returned retryable status, retrying" attempt=5 max_attempts=6 backoff=1.720827709s status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T02:04:35.763Z level=ERROR msg="Fatal error" error="pushing paths: creating pending closures: creating pending closure: server returned 502: "