VBCSCompiler service remains in memory after `dotnet build` and consumes 100% of 1 CPU core and a lot of memory on Ubuntu

[Nikolay Pianikov]

Steps to reproduce

• create a temp directory with long full name (~>100 symbols)
• set the environment variable TMPDIR as full path to this temp directory
• build some dotnet project

Related issues

dotnet/roslyn
TeamCity

Sample repo

[Nikolay Pianikov]

Add /p:UseSharedCompilation=false to .rsp file for this case