these 5 derivations will be built:
  /nix/store/xn4z57sc2gi2xcag9bpyas1wvxlv4vg8-clan-runtime.drv
  /nix/store/dw1rkb46n7x029dv8xbmah5pq8kpvw94-clan-cli-source.drv
  /nix/store/8qgiz7kazsh3dxkn9iz4al0j3m6yahkl-clan-cli.drv
  /nix/store/j3jqxh98swdkqbxq1p2yghp6z0g396q7-tofu.drv
  /nix/store/xicqkyf1gblm7mq824q94yz8zwmc5ixp-cache-new.drv
building '/nix/store/j3jqxh98swdkqbxq1p2yghp6z0g396q7-tofu.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/j3jqxh98swdkqbxq1p2yghp6z0g396q7-tofu.drv'
building '/nix/store/xicqkyf1gblm7mq824q94yz8zwmc5ixp-cache-new.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/xicqkyf1gblm7mq824q94yz8zwmc5ixp-cache-new.drv'

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: "