{"action":"created","issue":{"url":"https://api.github.com/repos/dotnet/roslyn/issues/11350","repository_url":"https://api.github.com/repos/dotnet/roslyn","labels_url":"https://api.github.com/repos/dotnet/roslyn/issues/11350/labels{/name}","comments_url":"https://api.github.com/repos/dotnet/roslyn/issues/11350/comments","events_url":"https://api.github.com/repos/dotnet/roslyn/issues/11350/events","html_url":"https://github.com/dotnet/roslyn/issues/11350","id":155141841,"number":11350,"title":"Duplicate project diagnostics from build/intellisense in the error list","user":{"login":"mavasani","id":10605811,"avatar_url":"https://avatars.githubusercontent.com/u/10605811?v=3","gravatar_id":"","url":"https://api.github.com/users/mavasani","html_url":"https://github.com/mavasani","followers_url":"https://api.github.com/users/mavasani/followers","following_url":"https://api.github.com/users/mavasani/following{/other_user}","gists_url":"https://api.github.com/users/mavasani/gists{/gist_id}","starred_url":"https://api.github.com/users/mavasani/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mavasani/subscriptions","organizations_url":"https://api.github.com/users/mavasani/orgs","repos_url":"https://api.github.com/users/mavasani/repos","events_url":"https://api.github.com/users/mavasani/events{/privacy}","received_events_url":"https://api.github.com/users/mavasani/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/dotnet/roslyn/labels/Area-Analyzers","name":"Area-Analyzers","color":"5319e7"},{"url":"https://api.github.com/repos/dotnet/roslyn/labels/Bug","name":"Bug","color":"fc2929"}],"state":"open","locked":false,"assignee":{"login":"heejaechang","id":1333179,"avatar_url":"https://avatars.githubusercontent.com/u/1333179?v=3","gravatar_id":"","url":"https://api.github.com/users/heejaechang","html_url":"https://github.com/heejaechang","followers_url":"https://api.github.com/users/heejaechang/followers","following_url":"https://api.github.com/users/heejaechang/following{/other_user}","gists_url":"https://api.github.com/users/heejaechang/gists{/gist_id}","starred_url":"https://api.github.com/users/heejaechang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/heejaechang/subscriptions","organizations_url":"https://api.github.com/users/heejaechang/orgs","repos_url":"https://api.github.com/users/heejaechang/repos","events_url":"https://api.github.com/users/heejaechang/events{/privacy}","received_events_url":"https://api.github.com/users/heejaechang/received_events","type":"User","site_admin":false},"milestone":null,"comments":13,"created_at":"2016-05-16T23:04:05Z","updated_at":"2016-05-17T16:15:33Z","closed_at":null,"body":"**Version Used**: 1.2.1\r\n\r\n**Steps to Reproduce**:\r\n\r\n1. Create a C# class library project\r\n2. Delete the AssemblyInfo.cs file from the project\r\n3. Add NuGet package reference to Microsoft.CodeAnalysis.FxCopAnalyzers (1.2.0-beta1)\r\n4. Edit the C# project file to enable IOperation analyzers by adding the following property: `<Features>IOperation</Features>`\r\n5. Build and wait for intellisense and build diagnostics from the project - filter error list to show only CA1016 issues.\r\n\r\n**Expected Behavior**:\r\nNo duplicate CA1016 (Mark assemblies with assembly version)\r\n\r\n**Actual Behavior**:\r\nI see duplicate diagnostics from build and intellisense:\r\n```\r\nSeverity\tCode\tDescription\tProject\tFile\tLine\tSource\tTool\tSuppression State\r\nWarning\tCA1016\tMark assemblies with assembly version\tClassLibrary1\t\t1\tIntelliSense\tMicrosoft.ApiDesignGuidelines.Analyzers\tActive\r\nWarning\t\tMark assemblies with assembly version\tClassLibrary1\tC:\\Users\\mavasani\\Documents\\Visual Studio 2015\\Projects\\ClassLibrary1\\ClassLibrary1\\CSC\t\tBuild\t\t\r\n```\r\n\r\nBelow is the output window:\r\n```\r\n1>------ Rebuild All started: Project: ClassLibrary1, Configuration: Debug Any CPU ------\r\n1>CSC : warning CA1016: Mark assemblies with assembly version\r\n1>  ClassLibrary1 -> C:\\Users\\mavasani\\Documents\\Visual Studio 2015\\Projects\\ClassLibrary1\\ClassLibrary1\\bin\\Debug\\ClassLibrary1.dll\r\n========== Rebuild All: 1 succeeded, 0 failed, 0 skipped ==========\r\n\r\n```"},"comment":{"url":"https://api.github.com/repos/dotnet/roslyn/issues/comments/219770249","html_url":"https://github.com/dotnet/roslyn/issues/11350#issuecomment-219770249","issue_url":"https://api.github.com/repos/dotnet/roslyn/issues/11350","id":219770249,"user":{"login":"mavasani","id":10605811,"avatar_url":"https://avatars.githubusercontent.com/u/10605811?v=3","gravatar_id":"","url":"https://api.github.com/users/mavasani","html_url":"https://github.com/mavasani","followers_url":"https://api.github.com/users/mavasani/followers","following_url":"https://api.github.com/users/mavasani/following{/other_user}","gists_url":"https://api.github.com/users/mavasani/gists{/gist_id}","starred_url":"https://api.github.com/users/mavasani/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mavasani/subscriptions","organizations_url":"https://api.github.com/users/mavasani/orgs","repos_url":"https://api.github.com/users/mavasani/repos","events_url":"https://api.github.com/users/mavasani/events{/privacy}","received_events_url":"https://api.github.com/users/mavasani/received_events","type":"User","site_admin":false},"created_at":"2016-05-17T16:15:33Z","updated_at":"2016-05-17T16:15:33Z","body":"Yep - 42.42.42.42 that's the problem. Clean your hive and rebuild entire Roslyn.sln with OfficialBuild = true"}}