this derivation will be built:
  /nix/store/kf21smzgn1qbl5nymk2s2i0jaa45fhsz-argunix-config-smoke.drv
argunix-config-smoke> --- daemon stderr ---
argunix-config-smoke> {"timestamp":"2026-06-10T13:23:12.773571Z","level":"INFO","fields":{"message":"config loaded","repos":1,"forges":1,"binary_caches":0},"target":"argunix"}
argunix-config-smoke> --- daemon stdout ---
argunix-config-smoke> ready
argunix-config-smoke> --- assertions ---
argunix-config-smoke> {"timestamp":"2026-06-10T13:23:12.870925Z","level":"INFO","fields":{"message":"config loaded","repos":1,"forges":1,"binary_caches":0},"target":"argunix"}