{"action":"created","issue":{"url":"https://api.github.com/repos/NuGet/Home/issues/1047","labels_url":"https://api.github.com/repos/NuGet/Home/issues/1047/labels{/name}","comments_url":"https://api.github.com/repos/NuGet/Home/issues/1047/comments","events_url":"https://api.github.com/repos/NuGet/Home/issues/1047/events","html_url":"https://github.com/NuGet/Home/issues/1047","id":97825682,"number":1047,"title":"InvalidOperationException during package restore for Roslyn solution","user":{"login":"davkean","id":1103906,"avatar_url":"https://avatars.githubusercontent.com/u/1103906?v=3","gravatar_id":"","url":"https://api.github.com/users/davkean","html_url":"https://github.com/davkean","followers_url":"https://api.github.com/users/davkean/followers","following_url":"https://api.github.com/users/davkean/following{/other_user}","gists_url":"https://api.github.com/users/davkean/gists{/gist_id}","starred_url":"https://api.github.com/users/davkean/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/davkean/subscriptions","organizations_url":"https://api.github.com/users/davkean/orgs","repos_url":"https://api.github.com/users/davkean/repos","events_url":"https://api.github.com/users/davkean/events{/privacy}","received_events_url":"https://api.github.com/users/davkean/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":{"login":"zhili1208","id":7131513,"avatar_url":"https://avatars.githubusercontent.com/u/7131513?v=3","gravatar_id":"","url":"https://api.github.com/users/zhili1208","html_url":"https://github.com/zhili1208","followers_url":"https://api.github.com/users/zhili1208/followers","following_url":"https://api.github.com/users/zhili1208/following{/other_user}","gists_url":"https://api.github.com/users/zhili1208/gists{/gist_id}","starred_url":"https://api.github.com/users/zhili1208/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zhili1208/subscriptions","organizations_url":"https://api.github.com/users/zhili1208/orgs","repos_url":"https://api.github.com/users/zhili1208/repos","events_url":"https://api.github.com/users/zhili1208/events{/privacy}","received_events_url":"https://api.github.com/users/zhili1208/received_events","type":"User","site_admin":false},"milestone":{"url":"https://api.github.com/repos/NuGet/Home/milestones/16","html_url":"https://github.com/NuGet/Home/milestones/3.1.2","labels_url":"https://api.github.com/repos/NuGet/Home/milestones/16/labels","id":1232564,"number":16,"title":"3.1.2","description":"3.1.2 client patch","creator":{"login":"emgarten","id":6381138,"avatar_url":"https://avatars.githubusercontent.com/u/6381138?v=3","gravatar_id":"","url":"https://api.github.com/users/emgarten","html_url":"https://github.com/emgarten","followers_url":"https://api.github.com/users/emgarten/followers","following_url":"https://api.github.com/users/emgarten/following{/other_user}","gists_url":"https://api.github.com/users/emgarten/gists{/gist_id}","starred_url":"https://api.github.com/users/emgarten/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/emgarten/subscriptions","organizations_url":"https://api.github.com/users/emgarten/orgs","repos_url":"https://api.github.com/users/emgarten/repos","events_url":"https://api.github.com/users/emgarten/events{/privacy}","received_events_url":"https://api.github.com/users/emgarten/received_events","type":"User","site_admin":false},"open_issues":27,"closed_issues":12,"state":"open","created_at":"2015-07-29T23:37:18Z","updated_at":"2015-08-07T18:42:26Z","due_on":"2015-08-12T07:00:00Z","closed_at":null},"comments":1,"created_at":"2015-07-28T23:53:46Z","updated_at":"2015-08-07T18:46:13Z","closed_at":null,"body":"This is with VS 2015 + Win10 RTM.\r\n\r\n1. Open Roslyn.sln on GitHub.com/dotnet/roslyn \r\n2. Build\r\n3. Look into output window:\r\n```\r\nError occurred while restoring NuGet packages: System.InvalidOperationException: Sequence contains no matching element\r\n   at System.Linq.Enumerable.Single[TSource](IEnumerable`1 source, Func`2 predicate)\r\n   at NuGet.Commands.RestoreCommand.RestoreMSBuildFiles(PackageSpec project, IEnumerable`1 targetGraphs, NuGetv3LocalRepository repository, RemoteWalkContext context)\r\n   at NuGet.Commands.RestoreCommand.<ExecuteAsync>d__7.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at NuGet.PackageManagement.BuildIntegratedRestoreUtility.<RestoreAsync>d__3.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at NuGet.PackageManagement.BuildIntegratedRestoreUtility.<RestoreAsync>d__1.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at NuGet.PackageManagement.BuildIntegratedRestoreUtility.<RestoreAsync>d__0.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at NuGetVSExtension.OnBuildPackageRestorer.<BuildIntegratedProjectRestoreAsync>d__51.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)\r\n   at NuGetVSExtension.OnBuildPackageRestorer.<RestoreBuildIntegratedProjectsAsync>d__49.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at NuGetVSExtension.OnBuildPackageRestorer.<>c__DisplayClass48_0.<<BuildEvents_OnBuildBegin>b__0>d.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at Microsoft.VisualStudio.Threading.JoinableTask.CompleteOnCurrentThread()\r\n   at NuGetVSExtension.OnBuildPackageRestorer.BuildEvents_OnBuildBegin(vsBuildScope scope, vsBuildAction Action)\r\n```"},"comment":{"url":"https://api.github.com/repos/NuGet/Home/issues/comments/128792862","html_url":"https://github.com/NuGet/Home/issues/1047#issuecomment-128792862","issue_url":"https://api.github.com/repos/NuGet/Home/issues/1047","id":128792862,"user":{"login":"zhili1208","id":7131513,"avatar_url":"https://avatars.githubusercontent.com/u/7131513?v=3","gravatar_id":"","url":"https://api.github.com/users/zhili1208","html_url":"https://github.com/zhili1208","followers_url":"https://api.github.com/users/zhili1208/followers","following_url":"https://api.github.com/users/zhili1208/following{/other_user}","gists_url":"https://api.github.com/users/zhili1208/gists{/gist_id}","starred_url":"https://api.github.com/users/zhili1208/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zhili1208/subscriptions","organizations_url":"https://api.github.com/users/zhili1208/orgs","repos_url":"https://api.github.com/users/zhili1208/repos","events_url":"https://api.github.com/users/zhili1208/events{/privacy}","received_events_url":"https://api.github.com/users/zhili1208/received_events","type":"User","site_admin":false},"created_at":"2015-08-07T18:46:13Z","updated_at":"2015-08-07T18:46:13Z","body":"@davkean can you please provide your nuget version? thanks"}}