How to reproduce:
1. Extract the attached project ('a.zip')
2. Open the Terminal and run the following command: "Unity path" -batchmode -nographics -projectPath "Project path" -runTests -testPlatform editmode

Reproducible with: 2021.2.0a15, 2021.2.0a16
Not reproducible with: 2018.4.35f1, 2019.4.25f1, 2020.3.6f1, 2021.1.5f1, 2021.2.0a14

First lines of the stack trace:
0x0000010cb053e4 in RenderTexture::GetSRGBReadWrite() const
0x0000010cb87420 in AmbientProbeBaker::BakeAmbientProbe(Material*, SphericalHarmonicsL2&)
0x0000010e24cb16 in BakeAmbientProbeJob::Prepare(BuiltinSkyManager*, BakeAmbientProbeJobData const&)
0x0000010e15a887 in BuiltinSkyManager::PostUpdate()
0x0000010e147b9c in gi::PostUpdate(dynamic_array<GISceneManagerClient*, 0ul> const&)

Notes:
- Crashes with or without sudo in the command
- The crash doesn't occur when using any Unity version on Windows