Fixed AutodetectUpgradeLog when no logger was found. Wrote to console…

… instead.

src/DbUp.sln.DotSettings

@@ -1,5 +1,9 @@
 <wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ClassWithVirtualMembersNeverInherited_002EGlobal/@EntryIndexedValue">DO_NOT_SHOW</s:String>
+	<s:String x:Key="/Default/CodeStyle/CodeFormatting/CSharpCodeStyle/DEFAULT_INTERNAL_MODIFIER/@EntryValue">Implicit</s:String>
+	<s:String x:Key="/Default/CodeStyle/CodeFormatting/CSharpCodeStyle/DEFAULT_PRIVATE_MODIFIER/@EntryValue">Implicit</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=SQ/@EntryIndexedValue">SQ</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/PredefinedNamingRules/=PrivateInstanceFields/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/PredefinedNamingRules/=PrivateStaticFields/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;</s:String>
 	<s:String x:Key="/Default/FilterSettingsManager/CoverageFilterXml/@EntryValue">&lt;data&gt;&lt;IncludeFilters /&gt;&lt;ExcludeFilters /&gt;&lt;/data&gt;</s:String>
 	<s:String x:Key="/Default/FilterSettingsManager/AttributeFilterXml/@EntryValue">&lt;data /&gt;</s:String></wpf:ResourceDictionary>

src/dbup-core/Engine/Output/AutodetectUpgradeLog.cs

@@ -1,17 +1,41 @@
 #if SUPPORTS_LIBLOG
+using System;
 using DbUp.Engine.Output.LibLog;
 
 namespace DbUp.Engine.Output
 {
     public class AutodetectUpgradeLog : IUpgradeLog
     {
-        private readonly Logger log = LogProvider.ForceResolveLogProvider().GetLogger("DbUp");
+        private readonly Logger log = LogProvider.ForceResolveLogProvider()?.GetLogger("DbUp")
+                                      ?? LogToConsoleInstead;
 
         public void WriteInformation(string format, params object[] args) => log(LogLevel.Info, () => format, null, args);
 
         public void WriteError(string format, params object[] args) => log(LogLevel.Error, () => format, null, args);
 
         public void WriteWarning(string format, params object[] args) => log(LogLevel.Warn, () => format, null, args);
+
+        static bool LogToConsoleInstead(LogLevel level, Func<string> format, Exception exception, object[] args)
+        {
+            ConsoleColor GetColor()
+            {
+                switch (level)
+                {
+                    case LogLevel.Warn:
+                        return ConsoleColor.Yellow;
+                    case LogLevel.Fatal:
+                    case LogLevel.Error:
+                        return ConsoleColor.Red;
+                    default:
+                        return ConsoleColor.White;
+                }
+            }
+
+            Console.ForegroundColor = GetColor();
+            Console.WriteLine(format(), args);
+            Console.ResetColor();
+            return true;
+        }
     }
 }
 #endif