Steps to reproduce:
1. Download the attached project and open "Ping" scene
2. Enter play mode

Results: Editor crashes

Reproduced with: 2019.3.0a1, 2019.2.0a12, 2019.1.1f1
Reproduced with Burst package version: 1.0.0, 1.0.0.preview.1

========== OUTPUTTING STACK TRACE ==================

0x00007FFF1498F5B7 (burst-llvm) burst_SetCurrentDebugLocation
0x00007FFF1498F56E (burst-llvm) burst_SetCurrentDebugLocation
0x00007FFF14404ABB (burst-llvm) burst_Return
0x00007FFF1440692D (burst-llvm) burst_ExtractFromAggregate
<...>

========== END OF STACKTRACE ===========

Note:
- Due to package errors in 2018.3 issue wasn't tested in this version.
- In 2019.3.0a1 Editor issue isn't reproducible because of com.unity.transport throws an DllNotFoundException. In Player it is reproducible.