How to reproduce:
1. Open user's project
2. Create an empty gameObject and add "test" script from projects view
3. Build that scene

Expected result: the scene gets build
Actual result: Build fails and editor prints our errors

Reproducible with: 2017.4.17f1, 2018.3.0f2, 2019.0a12

Some text from the printed errors:
Failed running C:\Program Files\2019.1\2019.1.0a12_5175bce2e5d4\Editor\Data\il2cpp/build/il2cpp.exe --convert-to-cpp --emit-null-checks --enable-array-bounds-check --dotnetprofile="net20" --compile-cpp --libil2cpp-static --platform="WindowsDesktop" --architecture="x64" --configuration="Release" --outputpath=