Legacy F# projects won't evaluate

[cartermp]

Throws InvalidProjectException

[trivalik]

Mh, maybe is it right now not supported. See output:

This project has custom imports that are not accepted by try-convert.
Unexpected custom imports were found:
        $(FSharpTargetsPath)
The following imports are considered valid for conversion:
        Microsoft.CSharp.targets
        Microsoft.VisualBasic.targets
        Microsoft.Portable.CSharp.targets
        Microsoft.Portable.VisualBasic.targets
        Microsoft.FSharp.Targets
        MSTest.TestAdapter.targets
        Microsoft.TestTools.targets
        Microsoft.Common.props
        MSTest.TestAdapter.props