Don't hook up SerilogTraceListener in FantomasDaemon.

src/Fantomas.Tests/Fantomas.Tests.fsproj

@@ -27,6 +27,7 @@
     <Compile Include="Integration\WriteTests.fs" />
     <Compile Include="Integration\DaemonTests.fs" />
     <Compile Include="Integration\ForceTests.fs" />
+    <Compile Include="ToolLocatorTests.fs" />
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="FSharp.Core" Version="$(FSharpCoreVersion)" />

src/Fantomas.Tests/ToolLocatorTests.fs

@@ -0,0 +1,25 @@
+module Fantomas.CoreGlobalTool.Tests.ToolLocatorTests
+
+open Fantomas.Client
+open Fantomas.Client.LSPFantomasServiceTypes
+open Fantomas.Client.Contracts
+open NUnit.Framework
+
+[<Explicit "This is meant to troubleshoot local problems">]
+[<Test>]
+let ``locate fantomas tool`` () =
+    let pwd = @"C:\Users\nojaf\Projects"
+    let result = FantomasToolLocator.findFantomasTool (Folder pwd)
+
+    match result with
+    | Error error -> Assert.Fail $"Could not locate tool: %A{error}"
+    | Ok(FantomasToolFound(FantomasVersion(version), startInfo)) ->
+        let result = FantomasToolLocator.createFor startInfo
+
+        match result with
+        | Error error -> Assert.Fail $"Could not start tool: %A{error}"
+        | Ok runningFantomasTool ->
+            let version2 =
+                runningFantomasTool.RpcClient.InvokeAsync<string>(Methods.Version).Result
+
+            Assert.AreEqual(version, $"v{version2}")

src/Fantomas/Daemon.fs

@@ -16,13 +16,12 @@ open Fantomas.EditorConfig
 
 type FantomasDaemon(sender: Stream, reader: Stream) as this =
     let rpc: JsonRpc = JsonRpc.Attach(sender, reader, this)
+    let traceListener = new DefaultTraceListener()
 
     do
         // hook up request/response logging for debugging
         rpc.TraceSource <- TraceSource(typeof<FantomasDaemon>.Name, SourceLevels.Verbose)
-
-        rpc.TraceSource.Listeners.Add(new SerilogTraceListener.SerilogTraceListener(typeof<FantomasDaemon>.Name))
-        |> ignore<int>
+        rpc.TraceSource.Listeners.Add traceListener |> ignore<int>
 
     let disconnectEvent = new ManualResetEvent(false)
 
@@ -33,7 +32,9 @@ type FantomasDaemon(sender: Stream, reader: Stream) as this =
     do rpc.Disconnected.Add(fun _ -> exit ())
 
     interface IDisposable with
-        member this.Dispose() = disconnectEvent.Dispose()
+        member this.Dispose() =
+            traceListener.Dispose()
+            disconnectEvent.Dispose()
 
     /// returns a hot task that resolves when the stream has terminated
     member this.WaitForClose = rpc.Completion