these 6 derivations will be built:
  /nix/store/sq7jx5qwc32lhn9nd9p5v886wgkh2ggg-etc.drv
  /nix/store/wg6cgyfxmsqgnvhwc8gdnk98nk849l9d-activate.drv
  /nix/store/nk0kcsd4zsx7fhdkla92z69h2vyqwaag-nixos-system-server-test.drv
  /nix/store/g58i7rn5wqs45dc9xsjzmlg799j10982-closure-info.drv
  /nix/store/ngwmnjbyvxrwlb9n6w70kv30l5wd5if3-nixos-test-driver-service-machine-id.drv
  /nix/store/2i12lck9p5194fbrqm2lfvf4jbafyfbs-container-test-run-service-machine-id.drv
building '/nix/store/sq7jx5qwc32lhn9nd9p5v886wgkh2ggg-etc.drv'
building '/nix/store/wg6cgyfxmsqgnvhwc8gdnk98nk849l9d-activate.drv'
building '/nix/store/nk0kcsd4zsx7fhdkla92z69h2vyqwaag-nixos-system-server-test.drv'
nixos-system-server-test> structuredAttrs is enabled
building '/nix/store/g58i7rn5wqs45dc9xsjzmlg799j10982-closure-info.drv'
closure-info> structuredAttrs is enabled
building '/nix/store/ngwmnjbyvxrwlb9n6w70kv30l5wd5if3-nixos-test-driver-service-machine-id.drv'
nixos-test-driver-service-machine-id> Running type check (enable/disable: config.skipTypeCheck)
nixos-test-driver-service-machine-id> See https://nixos.org/manual/nixos/stable/#test-opt-skipTypeCheck
nixos-test-driver-service-machine-id> Success: no issues found in 1 source file
building '/nix/store/2i12lck9p5194fbrqm2lfvf4jbafyfbs-container-test-run-service-machine-id.drv' on 'ssh-ng://builder@build-x86-01.clan.lol'
building '/nix/store/2i12lck9p5194fbrqm2lfvf4jbafyfbs-container-test-run-service-machine-id.drv'
container-test-run-service-machine-id> additionally exposed symbols:
container-test-run-service-machine-id>     server,
container-test-run-service-machine-id>     start_all, machines, driver, Machine, wait_for_signal

upload niks3: failed
time=2026-09-10T02:42:54.268Z 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=2026-09-10T02:44:14.867Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=219.137489ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T02:45:30.564Z level=WARN msg="Request returned retryable status, retrying" attempt=3 max_attempts=6 backoff=375.383321ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T02:46:46.062Z level=WARN msg="Request returned retryable status, retrying" attempt=4 max_attempts=6 backoff=787.42231ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T02:48:03.084Z level=WARN msg="Request returned retryable status, retrying" attempt=5 max_attempts=6 backoff=1.547958516s status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T02:49:20.462Z level=ERROR msg="Fatal error" error="pushing paths: creating pending closures: creating pending closure: server returned 502: "