=== Avatar Training (fire-and-forget) ===
Script: train_pi0fast.py
Started: 2026-03-11 06:52:26 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...
  Downloading lerobot/pi0fast-base (default)...

Fetching 6 files:   0%|          | 0/6 [00:00<?, ?it/s]
Fetching 6 files:  67%|██████▋   | 4/6 [00:15<00:07,  3.87s/it]
Fetching 6 files: 100%|██████████| 6/6 [00:15<00:00,  2.58s/it]
  Cached at /root/.cache/huggingface/hub/models--lerobot--pi0fast-base/snapshots/0737e07fac1e63519c0bd38bd869934ecd9c3f86
  GPUs: 4x NVIDIA A100-SXM4-80GB
>>> [4/4] Launching accelerate with 4 GPUs...
  Script: train_pi0fast.py
  Train args: --dataset orange_hook_right_20260310 --steps 10000 --batch-size 8 --lr 5e-5 --save-freq 2000 --push-to-hub --num-workers 8 --task-text pick\ up\ the\ orange\ flat\ package 

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`.
  File "/tmp/train_pi0fast.py", line 331
    ng=True)
           ^
SyntaxError: unmatched ')'
  File "/tmp/train_pi0fast.py", line 331
    ng=True)
           ^
SyntaxError: unmatched ')'
  File "/tmp/train_pi0fast.py", line 331
    ng=True)
           ^
SyntaxError: unmatched ')'
  File "/tmp/train_pi0fast.py", line 331
    ng=True)
           ^
SyntaxError: unmatched ')'
E0311 06:52:48.963000 2381 torch/distributed/elastic/multiprocessing/api.py:874] failed (exitcode: 1) local_rank: 0 (pid: 2449) of binary: /usr/bin/python
Traceback (most recent call last):
  File "/usr/local/bin/accelerate", line 8, in <module>
    sys.exit(main())
             ^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/accelerate/commands/accelerate_cli.py", line 50, in main
    args.func(args)
  File "/usr/local/lib/python3.11/dist-packages/accelerate/commands/launch.py", line 1396, in launch_command
    multi_gpu_launcher(args)
  File "/usr/local/lib/python3.11/dist-packages/accelerate/commands/launch.py", line 1023, in multi_gpu_launcher
    distrib_run.run(args)
  File "/usr/local/lib/python3.11/dist-packages/torch/distributed/run.py", line 883, in run
    elastic_launch(
  File "/usr/local/lib/python3.11/dist-packages/torch/distributed/launcher/api.py", line 139, in __call__
    return launch_agent(self._config, self._entrypoint, list(args))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/dist-packages/torch/distributed/launcher/api.py", line 270, in launch_agent
    raise ChildFailedError(
torch.distributed.elastic.multiprocessing.errors.ChildFailedError: 
============================================================
/tmp/train_pi0fast.py FAILED
------------------------------------------------------------
Failures:
[1]:
  time      : 2026-03-11_06:52:48
  host      : f3019c136c38
  rank      : 1 (local_rank: 1)
  exitcode  : 1 (pid: 2450)
  error_file: <N/A>
  traceback : To enable traceback see: https://pytorch.org/docs/stable/elastic/errors.html
[2]:
  time      : 2026-03-11_06:52:48
  host      : f3019c136c38
  rank      : 2 (local_rank: 2)
  exitcode  : 1 (pid: 2451)
  error_file: <N/A>
  traceback : To enable traceback see: https://pytorch.org/docs/stable/elastic/errors.html
[3]:
  time      : 2026-03-11_06:52:48
  host      : f3019c136c38
  rank      : 3 (local_rank: 3)
  exitcode  : 1 (pid: 2452)
  error_file: <N/A>
  traceback : To enable traceback see: https://pytorch.org/docs/stable/elastic/errors.html
------------------------------------------------------------
Root Cause (first observed failure):
[0]:
  time      : 2026-03-11_06:52:48
  host      : f3019c136c38
  rank      : 0 (local_rank: 0)
  exitcode  : 1 (pid: 2449)
  error_file: <N/A>
  traceback : To enable traceback see: https://pytorch.org/docs/stable/elastic/errors.html
============================================================

>>> Training finished with exit code 1
Ended: 2026-03-11 06:52:50 UTC
>>> Saving training log to HuggingFace...