{"action":"opened","issue":{"url":"https://api.github.com/repos/dotnet/roslyn/issues/6981","labels_url":"https://api.github.com/repos/dotnet/roslyn/issues/6981/labels{/name}","comments_url":"https://api.github.com/repos/dotnet/roslyn/issues/6981/comments","events_url":"https://api.github.com/repos/dotnet/roslyn/issues/6981/events","html_url":"https://github.com/dotnet/roslyn/issues/6981","id":118504583,"number":6981,"title":"[Test Failure] MSBuild Error (+1 more) in prtest/win/vsi/p2 on PR #6978","user":{"login":"dpoeschl","id":235241,"avatar_url":"https://avatars.githubusercontent.com/u/235241?v=3","gravatar_id":"","url":"https://api.github.com/users/dpoeschl","html_url":"https://github.com/dpoeschl","followers_url":"https://api.github.com/users/dpoeschl/followers","following_url":"https://api.github.com/users/dpoeschl/following{/other_user}","gists_url":"https://api.github.com/users/dpoeschl/gists{/gist_id}","starred_url":"https://api.github.com/users/dpoeschl/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dpoeschl/subscriptions","organizations_url":"https://api.github.com/users/dpoeschl/orgs","repos_url":"https://api.github.com/users/dpoeschl/repos","events_url":"https://api.github.com/users/dpoeschl/events{/privacy}","received_events_url":"https://api.github.com/users/dpoeschl/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/dotnet/roslyn/labels/Area-Infrastructure","name":"Area-Infrastructure","color":"5319e7"},{"url":"https://api.github.com/repos/dotnet/roslyn/labels/Contributor%20Pain","name":"Contributor Pain","color":"e11d21"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-11-24T00:21:28Z","updated_at":"2015-11-24T00:21:28Z","closed_at":null,"body":"PR: [#6978](https://github.com/dotnet/roslyn/pull/6978) *Set Experimental flag for our VSIXes* by @jasonmalinowski\r\nFailure: http://dotnet-ci.cloudapp.net/job/dotnet_roslyn_prtest_win_vsi_p2/60/\r\n\r\n**Issue 1: MSBuild Error**\r\nerror MSB4057: The target \"_NuGet_GetProjectsReferencingProjectJsonInternal\" does not exist in the project.\r\n\r\n**Issue 2: Compile Error**\r\nerror CS0234: The type or namespace name 'Immutable' does not exist in the namespace 'System.Collections' (are you missing an assembly reference?) [d:\\j\\workspace\\dotnet_roslyn_prtest_win_vsi_p2\\Open\\src\\Compilers\\CSharp\\Portable\\CSharpCodeAnalysis.csproj]"}}