Invoke-WebRequest throw TypeInitializationException On Linux #2801

$response=Invoke-WebRequest -Method Get -Uri "http://github-windows.s3.amazonaws.com/GitHub.application" 

> $PSVersionTable
Name                           Value                                                                                   
----                           -----                                                                                   
PSVersion                      6.0.0-alpha                                                                             
PSEdition                      Core                                                                                    
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}                                                                 
BuildVersion                   3.0.0.0                                                                                 
GitCommitId                    v6.0.0-alpha.13                                                                         
CLRVersion                                                                                                             
WSManStackVersion              3.0                                                                                     
PSRemotingProtocolVersion      2.3                                                                                     
SerializationVersion           1.1.0.1