GPUCoordinator: File-based coordination at /tmp/station_gpu_used.json (station: rstation-math_rlvr_h5_20261008-codex_2-456264-1791874892098298567)
Waiting for a shared GPU...
GPUCoordinator: Allocated GPUs [0] to codex_2-456264-1791874892098298567
Reserved GPU(s) [0]; releasing automatically when the command exits.
GPUCoordinator: Deallocated GPUs [0] from codex_2-456264-1791874892098298567 (duration: 36.2s)
