[simplify] Error renaming a function in F#

[pragmatrix]

Two projects, one library, one test of that library. I've renamed a function in the library:

---------- BuildOnSave CRASHED, please report to https://www.github.com/pragmatrix/BuildOnSave/issues
System.InvalidOperationException: Sequence contains no elements
   at System.Linq.Enumerable.Aggregate[TSource](IEnumerable`1 source, Func`3 func)
   at BuildOnSave.BackgroundBuild2.printIntro(BuildRequest request)
   at BuildOnSave.BackgroundBuild2.buildCore(BuildRequest request, CancellationToken cancellation)
   at BuildOnSave.BackgroundBuild2.build(BuildRequest request, CancellationToken cancellation, Action`1 onCompleted)