moved some stuff around

src/NadekoBot/Modules/Gambling/Commands/AnimalRacing.cs

@@ -249,6 +249,8 @@ namespace NadekoBot.Modules.Gambling
                 }
 
                 private Task Client_MessageReceived(SocketMessage imsg)
+                {
+                    var _ = Task.Run(() =>
                     {
                         var msg = imsg as SocketUserMessage;
                         if (msg == null)
@@ -257,6 +259,8 @@ namespace NadekoBot.Modules.Gambling
                             return Task.CompletedTask;
                         Interlocked.Increment(ref _messagesSinceGameStarted);
                         return Task.CompletedTask;
+                    });
+                    return Task.CompletedTask;
                 }
 
                 private async Task CheckForFullGameAsync(CancellationToken cancelToken)

src/NadekoBot/Modules/Gambling/Commands/CurrencyEvents.cs

@@ -122,7 +122,7 @@ namespace NadekoBot.Modules.Gambling
                     });
                 }
 
-                return Task.Delay(0);
+                return Task.CompletedTask;
             }
 
             public async Task FlowerReactionEvent(ICommandContext context, int amount)

src/NadekoBot/Modules/Games/Commands/Acropobia.cs

@@ -184,9 +184,8 @@ $@"--
                 await End().ConfigureAwait(false);
             }
 
-            private async Task PotentialAcro(SocketMessage arg)
+            private Task PotentialAcro(SocketMessage arg)
             {
-                await Task.Yield();
                 var _ = Task.Run(async () =>
                 {
                     try
@@ -285,6 +284,7 @@ $@"--
                         _log.Warn(ex);
                     }
                 });
+                return Task.CompletedTask;
             }
 
             public async Task End()

src/NadekoBot/Modules/Games/Commands/Hangman/HangmanGame.cs

@@ -117,9 +117,8 @@ namespace NadekoBot.Modules.Games.Hangman
                 await GameChannel.EmbedAsync(embed.WithOkColor()).ConfigureAwait(false);
         }
 
-        private async Task PotentialGuess(SocketMessage msg)
+        private Task PotentialGuess(SocketMessage msg)
         {
-            await Task.Yield();
             var _ = Task.Run(async () =>
             {
                 try
@@ -194,6 +193,7 @@ namespace NadekoBot.Modules.Games.Hangman
                 }
                 catch (Exception ex) { _log.Warn(ex); }
             });
+            return Task.CompletedTask;
         }
 
         public string GetHangman() => $@". ┌─────┐

src/NadekoBot/Modules/Games/Commands/Models/TypingGame.cs

@@ -107,9 +107,8 @@ namespace NadekoBot.Modules.Games.Models
             _client.MessageReceived += AnswerReceived;
         }
 
-        private async Task AnswerReceived(SocketMessage imsg)
+        private Task AnswerReceived(SocketMessage imsg)
         {
-            await Task.Yield();
             var _ = Task.Run(async () =>
             {
                 try
@@ -145,6 +144,7 @@ namespace NadekoBot.Modules.Games.Models
                 }
                 catch (Exception ex) { _log.Warn(ex); }
             });
+            return Task.CompletedTask;
         }
 
         private bool Judge(int errors, int textLength) => errors <= textLength / 25;

src/NadekoBot/Modules/Games/Commands/Trivia/TriviaGame.cs

@@ -178,9 +178,8 @@ namespace NadekoBot.Modules.Games.Trivia
                 try { await Channel.SendConfirmAsync(GetText("trivia_game"), GetText("trivia_stopping")).ConfigureAwait(false); } catch (Exception ex) { _log.Warn(ex); }
         }
 
-        private async Task PotentialGuess(SocketMessage imsg)
+        private Task PotentialGuess(SocketMessage imsg)
         {
-            await Task.Yield();
             var _ = Task.Run(async () =>
             {
                 try
@@ -242,6 +241,7 @@ namespace NadekoBot.Modules.Games.Trivia
                 }
                 catch (Exception ex) { _log.Warn(ex); }
             });
+            return Task.CompletedTask;
         }
 
         public string GetLeaderboard()

src/NadekoBot/Modules/NadekoModule.cs

@@ -34,7 +34,7 @@ namespace NadekoBot.Modules
 
         protected override void BeforeExecute()
         {
-            _cultureInfo =_localization.GetCultureInfo(Context.Guild?.Id);
+            _cultureInfo = _localization.GetCultureInfo(Context.Guild?.Id);
         }
 
         //public Task<IUserMessage> ReplyConfirmLocalized(string titleKey, string textKey, string url = null, string footer = null)
@@ -110,6 +110,8 @@ namespace NadekoBot.Modules
             }
 
             Task MessageReceived(SocketMessage arg)
+            {
+                var _ = Task.Run(() =>
                 {
                     if (!(arg is SocketUserMessage userMsg) ||
                         !(userMsg.Channel is ITextChannel chan) ||
@@ -122,6 +124,8 @@ namespace NadekoBot.Modules
                     userInputTask.SetResult(arg.Content);
                     userMsg.DeleteAfter(1);
                     return Task.CompletedTask;
+                });
+                return Task.CompletedTask;
             }
         }
     }

src/NadekoBot/Services/CommandHandler.cs

@@ -187,7 +187,6 @@ namespace NadekoBot.Services
 
         private async Task MessageReceivedHandler(SocketMessage msg)
         {
-            await Task.Yield();
             try
             {
                 if (msg.Author.IsBot || !_bot.Ready) //no bots, wait until bot connected and initialized

src/NadekoBot/Services/Games/GamesService.cs

@@ -97,19 +97,18 @@ namespace NadekoBot.Services.Games
         private string GetText(ITextChannel ch, string key, params object[] rep)
             => _strings.GetText(key, ch.GuildId, "Games".ToLowerInvariant(), rep);
 
-        private async Task PotentialFlowerGeneration(SocketMessage imsg)
+        private Task PotentialFlowerGeneration(SocketMessage imsg)
         {
-            await Task.Yield();
             var msg = imsg as SocketUserMessage;
             if (msg == null || msg.Author.IsBot)
-                return;
+                return Task.CompletedTask;
 
             var channel = imsg.Channel as ITextChannel;
             if (channel == null)
-                return;
+                return Task.CompletedTask;
 
             if (!GenerationChannels.Contains(channel.Id))
-                return;
+                return Task.CompletedTask;
 
             var _ = Task.Run(async () =>
             {
@@ -159,7 +158,7 @@ namespace NadekoBot.Services.Games
                     LogManager.GetCurrentClassLogger().Warn(ex);
                 }
             });
-            return;
+            return Task.CompletedTask;
         }
     }
 }

src/NadekoBot/Services/Searches/SearchesService.cs

@@ -39,9 +39,8 @@ namespace NadekoBot.Services.Searches
             _log = LogManager.GetCurrentClassLogger();
 
             //translate commands
-            _client.MessageReceived += async (msg) =>
+            _client.MessageReceived += (msg) =>
             {
-                await Task.Yield();
                 var _ = Task.Run(async () =>
                 {
                     try
@@ -70,6 +69,7 @@ namespace NadekoBot.Services.Searches
                     }
                     catch { }
                 });
+                return Task.CompletedTask;
             };
 
             //pokemon commands