fix: add more information in debug about errors

lib/Compiler.js

@@ -148,6 +148,7 @@ function compileSolc(embark, contractFiles, contractDirectories, options, callba
             } else {
               logger.warn(error.formattedMessage);
             }
+            logger.debug(error.message); // Print more error information in debug
           });
           if (isError) {
             return next(`Error while compiling`);