CSHARP-2379 Make evergreen compile use diagnostic output for cake compile

Author: markbenvenuto

evergreen/compile.sh

@@ -10,4 +10,4 @@ set -o errexit  # Exit the script with error if any of the commands fail
 echo "Compiling .NET driver"
 
 for var in TMP TEMP NUGET_PACKAGES NUGET_HTTP_CACHE_PATH APPDATA; do setx $var z:\\data\\tmp; export $var=z:\\data\\tmp; done
-powershell.exe .\\build.ps1 -target Build
+powershell.exe .\\build.ps1 -target Build -Verbosity Diagnostic