Crash on mecanim::skeleton::SkeletonSetDoF when entering Play Mode in a specific scene

How to reproduce:
1. Open the attached “IN-135651.zip” project
2. Open the “SampleScene”
3. Enter Play Mode
4. Observe the crash

Reproducible in: 6000.1.0a2, 6000.3.10f1, 6000.4.0b11, 6000.5.0a8
Not reproducible in: 6000.1.0a1, 6000.0.70f1

Reproducible on: Windows 11
Not reproducible on: No other environments tested

First few lines of stacktrace:
0x00007FFFABC430FD (Unity) mecanim::skeleton::SkeletonSetDoF
0x00007FFFABC2A0EF (Unity) mecanim::hand::Hand2SkeletonPose
0x00007FFFABC2A8B2 (Unity) mecanim::human::Human2SkeletonPose
0x00007FFFABC36535 (Unity) mecanim::human::RetargetTo
0x00007FFFABC20E07 (Unity) mecanim::animation::EvaluateAvatarRetarget