Error on F# project mono / osx

[7sharp9]

/Users/dave/code/xamarin/fsharpdesigner/src/packages/FSharpLint.0.2.6/build/FSharpLint.targets: Warning: Lint failed while analysing /Users/dave/code/xamarin/fsharpdesigner/src/Xamarin.Providers/Xamarin.Providers.fsproj.
Failed with: Unknown tools version: '12.0' . Known versions: '2.0' '3.0' '3.5' '4.0'
Stack trace:    at Microsoft.Build.BuildEngine.Engine.set_DefaultToolsVersion (System.String value) in <filename unknown>:line 0
   at Microsoft.FSharp.Compiler.SourceCodeServices.FSharpProjectFileInfo.CrackProjectUsingOldBuildAPI (System.String fsprojFile) in <filename unknown>:line 0
   at Microsoft.FSharp.Compiler.SourceCodeServices.FSharpProjectFileInfo..ctor (System.String fsprojFileName, Microsoft.FSharp.Core.FSharpOption`1 properties, Microsoft.FSharp.Core.FSharpOption`1 enableLogging) in <filename unknown>:line 0 (Xamarin.Providers)

Looks to me like an assembly redirect issue on msbuild resolution while creating the project information in FCS.

[duckmatt]

Thanks, confusingly the acceptance test is passing on travis, does it run as expected when msbuild is run via the command line?

[duckmatt]

FSharp.Commpiler.Services handles this now, so I believe it will have been fixed in #153 which will be included in the next release