Reproduction steps:
1. Download and open the submitted project "collections-repro.zip"
2. Make sure that Il2CPP scripting backend is selected in Player settings
3. Make sure that Linux platform is selected in Build settings
4. Open Addressables Groups window (Window -> Asset Management -> Addressable Groups)
5. Press Build -> New Build -> Default Build Script

Expected result: Addressables build is successful
Actual result: Addressables build throws an error

Reproduces on: 2020.1.0b16 (0.5.2-preview.8, 0.9.0-preview.6), 2020.2.0a18 (0.9.0-preview.6)

Does not reproduce on: 2019.4.3f1 (0.9.0-preview.6), 2020.1.0b16 (0.5.1-preview.11)

Notes:
The issue does not reproduce on Ubuntu 18.04
The issue does reproduce on Windows 10
The issue does not reproduce on Mono backend
Could not check for the exact regressed Unity version as early Unity 2020.1 versions throw errors when installing affected Collections version.