libfuzzer_merge is broken: expected struct SyncedDir

[anshuman-goel]

Information

libfuzzer_merge task type is broken.

• Onefuzz version: 1.5.0
• OS: Linux

Provide detailed reproduction steps (if any)

1. Run any libfuzzer while enabling libfuzzer_merge task type.
2. The task fails with an error.

Expected result

To start setup script and went into managing courpus minimization

Actual result

Task failed with the error stated as below:

{"code": 468, "errors": ["task failed. exit_status:code=1 signal=None success=False", "", "Error: invalid type: null, expected struct SyncedDir\n"]}