1. dotnet tool restore
2. dotnet fantomas src/MyApp/Program.fs

Result:

Processing src/MyApp/Program.fs
Stack overflow.
Repeat 86 times:
--------------------------------
   at Fantomas.AstTransformer+Ast.visitSynExpr(SynExpr)
   at Fantomas.AstTransformer+Ast+visitSynExpr@331-72.GenerateNext(System.Collections.Generic.IEnumerable`1<Node> ByRef)
   at Microsoft.FSharp.Core.CompilerServices.GeneratedSequenceBase`1[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNextImpl()
   at Microsoft.FSharp.Core.CompilerServices.GeneratedSequenceBase`1[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].System.Collections.IEnumerator.MoveNext()
   at Microsoft.FSharp.Collections.SeqModule.ToList[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](System.Collections.Generic.IEnumerable`1<System.__Canon>)
--------------------------------
   at Fantomas.AstTransformer+Ast.visitSynExpr(SynExpr)
   at Fantomas.AstTransformer+Ast+cons@390-1[[System.Boolean, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].GenerateNext(System.Collections.Generic.IEnumerable`1<Node> ByRef)
   at Microsoft.FSharp.Core.CompilerServices.GeneratedSequenceBase`1[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNextImpl()
   at Microsoft.FSharp.Core.CompilerServices.GeneratedSequenceBase`1[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].System.Collections.IEnumerator.MoveNext()
   at Microsoft.FSharp.Collections.SeqModule.ToList[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](System.Collections.Generic.IEnumerable`1<System.__Canon>)
   at Fantomas.AstTransformer+Ast.cons@381[[System.Boolean, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](SynExpr, Microsoft.FSharp.Collections.FSharpList`1<System.Tuple`4<Boolean,SynExpr,Microsoft.FSharp.Core.FSharpOption`1<SynExpr>,range>>)
   at Fantomas.AstTransformer+Ast.visitSynExpr(SynExpr)
   at Fantomas.AstTransformer+Ast+visitSynExpr@354-77.GenerateNext(System.Collections.Generic.IEnumerable`1<Node> ByRef)
   at Microsoft.FSharp.Core.CompilerServices.GeneratedSequenceBase`1[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNextImpl()
   at Microsoft.FSharp.Core.CompilerServices.GeneratedSequenceBase`1[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].System.Collections.IEnumerator.MoveNext()
   at Microsoft.FSharp.Collections.SeqModule.ToList[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](System.Collections.Generic.IEnumerable`1<System.__Canon>)
   at Fantomas.AstTransformer+Ast.visitSynExpr(SynExpr)
   at Fantomas.AstTransformer+Ast+visitSynBinding@1034-1.GenerateNext(System.Collections.Generic.IEnumerable`1<Node> ByRef)
   at Microsoft.FSharp.Core.CompilerServices.GeneratedSequenceBase`1[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNextImpl()
   at Microsoft.FSharp.Core.CompilerServices.GeneratedSequenceBase`1[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].System.Collections.IEnumerator.MoveNext()
   at Microsoft.FSharp.Collections.SeqModule.ToList[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](System.Collections.Generic.IEnumerable`1<System.__Canon>)
   at Fantomas.AstTransformer+Ast.visitSynBinding(SynBinding)
   at Fantomas.AstTransformer+Ast+visitSynModuleDecl@109-3.Invoke(SynBinding)
   at Microsoft.FSharp.Primitives.Basics.List.map[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Core.FSharpFunc`2<System.__Canon,System.__Canon>, Microsoft.FSharp.Collections.FSharpList`1<System.__Canon>)
   at Microsoft.FSharp.Collections.ListModule.Map[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Core.FSharpFunc`2<System.__Canon,System.__Canon>, Microsoft.FSharp.Collections.FSharpList`1<System.__Canon>)
   at Fantomas.AstTransformer+Ast.visitSynModuleDecl(SynModuleDecl)
   at Fantomas.AstTransformer+Ast+visitSynModuleOrNamespace@84-3.Invoke(SynModuleDecl)
   at Microsoft.FSharp.Primitives.Basics.List.mapToFreshConsTail[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Collections.FSharpList`1<System.__Canon>, Microsoft.FSharp.Core.FSharpFunc`2<System.__Canon,System.__Canon>, Microsoft.FSharp.Collections.FSharpList`1<System.__Canon>)
   at Microsoft.FSharp.Primitives.Basics.List.map[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Core.FSharpFunc`2<System.__Canon,System.__Canon>, Microsoft.FSharp.Collections.FSharpList`1<System.__Canon>)
   at Fantomas.AstTransformer+Ast+visitSynModuleOrNamespace@78-2.GenerateNext(System.Collections.Generic.IEnumerable`1<Node> ByRef)
   at Microsoft.FSharp.Core.CompilerServices.GeneratedSequenceBase`1[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNextImpl()
   at Microsoft.FSharp.Core.CompilerServices.GeneratedSequenceBase`1[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].System.Collections.IEnumerator.MoveNext()
   at Microsoft.FSharp.Collections.SeqModule.ToList[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](System.Collections.Generic.IEnumerable`1<System.__Canon>)
   at Fantomas.AstTransformer+Ast.visitSynModuleOrNamespace(SynModuleOrNamespace)
   at Fantomas.AstTransformer+children@1897-1.Invoke(SynModuleOrNamespace)
   at Microsoft.FSharp.Primitives.Basics.List.map[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Core.FSharpFunc`2<System.__Canon,System.__Canon>, Microsoft.FSharp.Collections.FSharpList`1<System.__Canon>)
   at Fantomas.AstTransformer+children@1897.GenerateNext(System.Collections.Generic.IEnumerable`1<Node> ByRef)
   at Microsoft.FSharp.Core.CompilerServices.GeneratedSequenceBase`1[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].MoveNextImpl()
   at Microsoft.FSharp.Core.CompilerServices.GeneratedSequenceBase`1[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].System.Collections.IEnumerator.MoveNext()
   at Microsoft.FSharp.Collections.SeqModule.ToList[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](System.Collections.Generic.IEnumerable`1<System.__Canon>)
   at Fantomas.AstTransformer.astToNode(Microsoft.FSharp.Collections.FSharpList`1<ParsedHashDirective>, Microsoft.FSharp.Collections.FSharpList`1<SynModuleOrNamespace>)
   at Fantomas.Trivia.collectTrivia(Microsoft.FSharp.Core.FSharpFunc`2<System.Tuple`2<Int32,Int32>,Microsoft.FSharp.Core.FSharpFunc`2<System.Tuple`2<Int32,Int32>,range>>, Microsoft.FSharp.Collections.FSharpList`1<Token>, ParsedInput)
   at Fantomas.Context+Context.Create(FormatConfig, Microsoft.FSharp.Collections.FSharpList`1<System.String>, System.String, Microsoft.FSharp.Collections.FSharpList`1<Token>, System.String, Microsoft.FSharp.Core.FSharpOption`1<ParsedInput>)
   at Fantomas.CodeFormatterImpl.formatWith(ParsedInput, Microsoft.FSharp.Collections.FSharpList`1<System.String>, Microsoft.FSharp.Collections.FSharpList`1<Token>, FormatContext, FormatConfig)
   at Fantomas.CodeFormatterImpl+format@409-1.Invoke(System.Tuple`3<ParsedInput,Microsoft.FSharp.Collections.FSharpList`1<System.String>,Microsoft.FSharp.Collections.FSharpList`1<Token>>[])
   at Microsoft.FSharp.Control.AsyncPrimitives.CallThenInvokeNoHijackCheck[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Control.AsyncActivation`1<System.__Canon>, Microsoft.FSharp.Core.FSharpFunc`2<System.__Canon,Microsoft.FSharp.Control.FSharpAsync`1<System.__Canon>>, System.__Canon)
   at Microsoft.FSharp.Control.Trampoline.Execute(Microsoft.FSharp.Core.FSharpFunc`2<Microsoft.FSharp.Core.Unit,Microsoft.FSharp.Control.AsyncReturn>)
   at Microsoft.FSharp.Control.TrampolineHolder.ExecuteWithTrampoline(Microsoft.FSharp.Core.FSharpFunc`2<Microsoft.FSharp.Core.Unit,Microsoft.FSharp.Control.AsyncReturn>)
   at <StartupCode$FSharp-Core>.$Async.finishTask@1186[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](Microsoft.FSharp.Control.AsyncActivation`1<System.__Canon[]>, System.__Canon[], Microsoft.FSharp.Control.LinkedSubSource, Microsoft.FSharp.Core.FSharpRef`1<Microsoft.FSharp.Core.FSharpOption`1<Microsoft.FSharp.Core.FSharpChoice`2<System.Runtime.ExceptionServices.ExceptionDispatchInfo,System.OperationCanceledException>>>, Int32)
   at <StartupCode$FSharp-Core>.$Async+Parallel@1233-4[[System.__Canon, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].Invoke(System.__Canon)
   at Fantomas.CodeFormatterImpl+parse@95-6.Invoke(Microsoft.FSharp.Control.AsyncActivation`1<System.Tuple`3<ParsedInput,Microsoft.FSharp.Collections.FSharpList`1<System.String>,Microsoft.FSharp.Collections.FSharpList`1<Token>>>)
   at Microsoft.FSharp.Control.AsyncPrimitives+unitAsync@577.Invoke(Microsoft.FSharp.Control.AsyncActivation`1<Microsoft.FSharp.Core.Unit>)
   at <StartupCode$FSharp-Compiler-Service>.$Service+ParseFile@449-3.Invoke(Microsoft.FSharp.Control.AsyncActivation`1<FSharp.Compiler.SourceCodeServices.FSharpParseFileResults>)
   at Microsoft.FSharp.Control.Trampoline.Execute(Microsoft.FSharp.Core.FSharpFunc`2<Microsoft.FSharp.Core.Unit,Microsoft.FSharp.Control.AsyncReturn>)
   at Microsoft.FSharp.Control.TrampolineHolder.ExecuteWithTrampoline(Microsoft.FSharp.Core.FSharpFunc`2<Microsoft.FSharp.Core.Unit,Microsoft.FSharp.Control.AsyncReturn>)
   at <StartupCode$FSharp-Core>.$Async+-ctor@155-1.Invoke(System.Object)
   at System.Threading.QueueUserWorkItemCallbackDefaultContext.Execute()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()