these 3 derivations will be built:
  /nix/store/n2pyf9awd4s52amrgbs70cn715iyjm4v-clan-cli-source.drv
  /nix/store/v9qqg5qnrdim8n1w8cs8dvkwvraw63ya-clan-cli.drv
  /nix/store/66yqikwmswax7l1ydrddp45syd8wc5k7-nix-shell.drv
building '/nix/store/66yqikwmswax7l1ydrddp45syd8wc5k7-nix-shell.drv' on 'ssh-ng://builder@build04.clan.lol'
building '/nix/store/66yqikwmswax7l1ydrddp45syd8wc5k7-nix-shell.drv'
nix-shell> Running phase: buildPhase

upload niks3: failed
time=2026-09-09T01:46:21.849Z 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=2026-09-09T01:48:07.381Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=207.974579ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-09T01:49:58.329Z level=WARN msg="Request returned retryable status, retrying" attempt=3 max_attempts=6 backoff=386.543601ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-09T01:51:31.337Z level=WARN msg="Request returned retryable status, retrying" attempt=4 max_attempts=6 backoff=846.093756ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-09T01:53:06.437Z level=WARN msg="Request returned retryable status, retrying" attempt=5 max_attempts=6 backoff=1.507387946s status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-09T01:55:00.092Z level=ERROR msg="Fatal error" error="pushing paths: creating pending closures: creating pending closure: server returned 502: "