To reproduce:
1. https://github.com/Verasl/BoatAttack - clone this repository (Packages/5.1.0 branch)
2. Make sure you extract large files using git LFS
3. Switch platform to iOS or Android
4. In player settings select OpenGLES2 graphics API
5. Build project (Island scene)

Expected result: Unity builds project successfully
Actual result: Memory usage exceeds maximum and OS restarts

Testing machine:
MacBook Pro 2017
macOS Mojave 10.14.2
Intel Core i7
16GB RAM
Radeon Pro 560

Unity version: 2019.1.0a10

Also reproduced with Android platform.
Testing machine:
Core i7-8700K @3.7GHz (12 CPUs)
32 GB RAM
Windows 10