=== Avatar Training (fire-and-forget) === Script: train_on_hf.py Started: 2026-03-13 06:32:44 UTC >>> [0/4] Raising file descriptor limit... ulimit -n = 65536 >>> [1/4] Setting environment... HF_TOKEN set: 37 chars WANDB_API_KEY set: 0 chars >>> [2/4] Logging into HuggingFace... The token has not been saved to the git credentials helper. Pass `add_to_git_credential=True` in this function directly or `--add-to-git-credential` if using via `hf`CLI if you want to set the git credential as well. Token is valid (permission: write). The token `beta-pc` has been saved to /root/.cache/huggingface/stored_tokens Your token has been saved to /root/.cache/huggingface/token Login successful. Note: Environment variable`HF_TOKEN` is set and is the current active token independently from the token you've just configured. ⚠️ Warning: 'huggingface-cli login' is deprecated. Use 'hf auth login' instead. >>> [3/4] Pre-downloading pretrained model... Traceback (most recent call last): File "", line 9, in File "/usr/local/lib/python3.11/dist-packages/huggingface_hub/utils/_validators.py", line 106, in _inner_fn validate_repo_id(arg_value) File "/usr/local/lib/python3.11/dist-packages/huggingface_hub/utils/_validators.py", line 160, in validate_repo_id raise HFValidationError( huggingface_hub.errors.HFValidationError: Repo id must use alphanumeric chars or '-', '_', '.', '--' and '..' are forbidden, '-' and '.' cannot start or end the name, max length is 96: 'avatarrobotics/act-alpha-bot-right-resnet18-b256-20260312-2358:step-80000'. Downloading avatarrobotics/act-alpha-bot-right-resnet18-b256-20260312-2358:step-80000... GPUs: 8x NVIDIA H100 80GB HBM3 >>> [4/4] Launching accelerate with 8 GPUs... Script: train_on_hf.py Train args: --dataset alpha_bot_right_afternoon --steps 100000 --batch-size 32 --lr 1e-4 --backbone resnet18 --preload --mixed-precision bf16 --num-workers 8 --prefetch-factor 4 --save-freq 10000 --push-to-hub --pretrained-path avatarrobotics/act-alpha-bot-right-resnet18-b256-20260312-2358:step-80000 The following values were not passed to `accelerate launch` and had defaults used instead: `--num_machines` was set to a value of `1` `--mixed_precision` was set to a value of `'no'` `--dynamo_backend` was set to a value of `'no'` To avoid this warning pass in values for each of the problematic parameters or run `accelerate config`. Model will be pushed to: avatarrobotics/act-alpha-bot-right-resnet18-b256-20260313-0632 Model will be pushed to: avatarrobotics/act-alpha-bot-right-resnet18-b256-20260313-0632 [Avatar] Mixed precision: bf16 Model will be pushed to: avatarrobotics/act-alpha-bot-right-resnet18-b256-20260313-0632 [Avatar] Mixed precision: bf16 Model will be pushed to: avatarrobotics/act-alpha-bot-right-resnet18-b256-20260313-0632 [Avatar] Mixed precision: bf16 Model will be pushed to: avatarrobotics/act-alpha-bot-right-resnet18-b256-20260313-0632 [Avatar] Mixed precision: bf16 Model will be pushed to: avatarrobotics/act-alpha-bot-right-resnet18-b256-20260313-0632 [Avatar] Mixed precision: bf16 Model will be pushed to: avatarrobotics/act-alpha-bot-right-resnet18-b256-20260313-0632 [Avatar] Mixed precision: bf16 Model will be pushed to: avatarrobotics/act-alpha-bot-right-resnet18-b256-20260313-0632 [Avatar] Mixed precision: bf16 [Avatar] Downloading checkpoint avatarrobotics/act-alpha-bot-right-resnet18-b256-20260312-2358 @ step-80000 ... [Avatar] Downloading checkpoint avatarrobotics/act-alpha-bot-right-resnet18-b256-20260312-2358 @ step-80000 ... [Avatar] Downloading checkpoint avatarrobotics/act-alpha-bot-right-resnet18-b256-20260312-2358 @ step-80000 ... [Avatar] Downloading checkpoint avatarrobotics/act-alpha-bot-right-resnet18-b256-20260312-2358 @ step-80000 ... [Avatar] Downloading checkpoint avatarrobotics/act-alpha-bot-right-resnet18-b256-20260312-2358 @ step-80000 ... [Avatar] Downloading checkpoint avatarrobotics/act-alpha-bot-right-resnet18-b256-20260312-2358 @ step-80000 ... [Avatar] Downloading checkpoint avatarrobotics/act-alpha-bot-right-resnet18-b256-20260312-2358 @ step-80000 ... Fetching 9 files: 0%| | 0/9 [00:00, 'STATE': , 'VISUAL': }, 'optimizer_lr': 0.0001, 'optimizer_lr_backbone': 0.0001, 'optimizer_weight_decay': 0.0001, 'output_features': {}, 'pre_norm': False, 'pretrained_backbone_weights': 'ResNet18_Weights.IMAGENET1K_V1', 'pretrained_path': '/tmp/pretrained_checkpoint', 'private': True, 'push_to_hub': True, 'replace_final_stride_with_dilation': False, 'repo_id': 'avatarrobotics/act-alpha-bot-right-resnet18-b256-20260313-0632', 'tags': None, 'temporal_ensemble_coeff': None, 'type': 'act', 'use_amp': False, 'use_peft': False, 'use_vae': True, 'vision_backbone': 'resnet18'}, 'rabc_epsilon': 1e-06, 'rabc_head_mode': 'sparse', 'rabc_kappa': 0.01, 'rabc_progress_path': None, 'rename_map': {}, 'resume': False, 'save_checkpoint': True, 'save_freq': 10000, 'scheduler': None, 'seed': 1000, 'steps': 100000, 'tolerance_s': 0.0001, 'use_policy_training_preset': True, 'use_rabc': False, 'wandb': {'disable_artifact': False, 'enable': False, 'entity': None, 'mode': None, 'notes': None, 'project': 'lerobot', 'run_id': None}} INFO 2026-03-13 06:33:05 ot_train.py:203 Logs will be saved locally. INFO 2026-03-13 06:33:05 ot_train.py:215 Creating dataset Fetching 7 files: 0%| | 0/7 [00:00>> Training finished with exit code 0 Ended: 2026-03-13 15:08:42 UTC >>> Saving training log to HuggingFace...