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MacOS server does not seem to work

See original GitHub issue

I downloaded the MacOS binary and put it in ~/.local/bin/marksman. echo hi | marksman server yields an ugly error.

[14:02:02 INF] <LSP Entry> Starting Marksman LSP server: {}
Unhandled exception: System.AggregateException: One or more errors occurred. (Header does not end with expected 
 character sequence: hi)
 ---> StreamJsonRpc.BadRpcHeaderException: Header does not end with expected 
 character sequence: hi
   at StreamJsonRpc.HeaderDelimitedMessageHandler.ReadHeadersAsync(CancellationToken cancellationToken)
   at StreamJsonRpc.HeaderDelimitedMessageHandler.ReadCoreAsync(CancellationToken cancellationToken)
   at StreamJsonRpc.MessageHandlerBase.ReadAsync(CancellationToken cancellationToken)
   at StreamJsonRpc.JsonRpc.ReadAndHandleRequestsAsync()
   --- End of inner exception stack trace ---
   at Ionide.LanguageServerProtocol.Server.startWithSetup[client](FSharpFunc`2 setupRequestHandlings, Stream input, Stream output, FSharpFunc`2 clientCreator, FSharpFunc`2 customizeRpc) in /Users/runner/work/marksman/marksman/LanguageServerProtocol/LanguageServerProtocol.fs:line 179
   at Ionide.LanguageServerProtocol.Server.start@268-2.Invoke(FSharpFunc`2 customizeRpc)
   at Marksman.Program.startLSP(Int32 verbosity, Boolean waitForDebugger) in /Users/runner/work/marksman/marksman/Marksman/Program.fs:line 58
   at Marksman.Program.lspCommand@87.Invoke(Tuple`2 tupledArg)
   at FSharp.SystemCommandLine.CommandBuilders.SetHandlerInt@207-2.Invoke(InvocationContext ctx)
   at System.CommandLine.Invocation.AnonymousCommandHandler.Invoke(InvocationContext )
   at System.CommandLine.Invocation.InvocationPipeline.<>c__DisplayClass4_0.<<BuildInvocationChain>b__0>d.MoveNext()
--- End of stack trace from previous location ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass17_0.<<UseParseErrorReporting>b__0>d.MoveNext()
--- End of stack trace from previous location ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass12_0.<<UseHelp>b__0>d.MoveNext()
--- End of stack trace from previous location ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass22_0.<<UseVersionOption>b__0>d.MoveNext()
--- End of stack trace from previous location ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass19_0.<<UseTypoCorrections>b__0>d.MoveNext()
--- End of stack trace from previous location ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<<UseSuggestDirective>b__18_0>d.MoveNext()
--- End of stack trace from previous location ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass16_0.<<UseParseDirective>b__0>d.MoveNext()
--- End of stack trace from previous location ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<<RegisterWithDotnetSuggest>b__5_0>d.MoveNext()
--- End of stack trace from previous location ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass8_0.<<UseExceptionHandler>b__0>d.MoveNext()