diff --git a/src/loggger.h b/src/loggger.h
index c32af4c..3dd0f27 100644
--- a/src/loggger.h
+++ b/src/loggger.h
@@ -31,7 +31,7 @@ private:
     void printMessage(const Message& message, bool colored = false) const;
 
 private:
-    bool accumulate;
+    const bool accumulate;
     const Severity currentSeverity;
     mutable std::list<Message> history;
     mutable std::mutex readMutex;
diff --git a/src/main.cpp b/src/main.cpp
index b478be1..6f80f35 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,6 +1,8 @@
 #include <string>
 
-#include "project.h"
+#include "collection.h"
+#include "taskmanager.h"
+#include "loggger.h"
 
 int main(int argc, char *argv[]) {
     std::string firstArg;
@@ -15,20 +17,28 @@ int main(int argc, char *argv[]) {
     else
         secondArg = "./";
 
-    Project root(firstArg, secondArg);
-    bool success = root.read();
 
-    int result = -1;
-    if (success) {
-        root.info("successfully parsed project " + root.getName());
-        root.info("dependencies count is " + std::to_string(root.dependenciesCount()));
+    std::shared_ptr<Logger> logger = std::make_shared<Logger>(Logger::Severity::debug);
+    std::shared_ptr<TaskManager> taskManager = std::make_shared<TaskManager>();
+    std::shared_ptr<Collection> collection = std::make_shared<Collection>(secondArg, "", logger, taskManager);
 
-        root.discover();
-        result = 0;
-    }
+    taskManager->start();
+    collection->addSource(firstArg);
 
-    root.printLog();
+    taskManager->wait();
+    taskManager->stop();
+
+    // int result = -1;
+    // if (success) {
+    //     root.info("successfully parsed project " + root.getName());
+    //     root.info("dependencies count is " + std::to_string(root.dependenciesCount()));
+    //
+    //     root.discover();
+    //     result = 0;
+    // }
+    //
+    // root.printLog();
 
 
-    return result;
+    return 0;
 }
diff --git a/src2/collection.cpp b/src2/collection.cpp
index 1e24878..1838a9c 100644
--- a/src2/collection.cpp
+++ b/src2/collection.cpp
@@ -19,7 +19,15 @@ Collection::Collection(
     downloadingSources(),
     readingSources(),
     buildingSources()
-{}
+{
+    try {
+        std::filesystem::create_directories(destination);
+    } catch (const std::exception& e) {
+        fatal(e.what());
+
+        throw e;
+    }
+}
 
 void Collection::addSource(const std::string& source) {
     if (hasSource(source)) {
@@ -27,6 +35,7 @@ void Collection::addSource(const std::string& source) {
         return;
     }
 
+    debug("Adding source " + source);
     if (isRemote(source))
         queueDownload(source);
     else
@@ -95,7 +104,7 @@ void Collection::queueRead(const std::string& source, const std::filesystem::pat
     std::pair<Components::iterator, bool> res = readingSources.emplace(std::piecewise_construct,
         std::forward_as_tuple(source),
         std::forward_as_tuple(
-            std::make_unique<Component>(location, std::shared_ptr<Collection>(this), logger)
+            std::make_unique<Component>(location, shared_from_this(), logger)
         )
     );
 
diff --git a/src2/collection.h b/src2/collection.h
index b8c2f84..5c26fb9 100644
--- a/src2/collection.h
+++ b/src2/collection.h
@@ -13,7 +13,7 @@
 #include "download.h"
 #include "taskmanager.h"
 
-class Collection : protected Loggable {
+class Collection : protected Loggable, public std::enable_shared_from_this<Collection> {
     using Sources = std::set<std::string>;
     using Downloads = std::map<std::string, std::unique_ptr<Download>>;
     using Components = std::map<std::string, std::unique_ptr<Component>>;
diff --git a/src2/component.cpp b/src2/component.cpp
index f89f203..bc337be 100644
--- a/src2/component.cpp
+++ b/src2/component.cpp
@@ -15,7 +15,7 @@ constexpr std::array<std::string_view, Component::done + 1> stringStates {
 
 Component::Component(
     const std::filesystem::path& path,
-    const std::shared_ptr<Collection>& collection,
+    const std::weak_ptr<Collection>& collection,
     const std::shared_ptr<Logger>& logger
 ):
     Loggable(logger),
@@ -81,9 +81,10 @@ bool Component::readAsMason() {
                 return errorScenario(masonScenarion.string() + " dependencies are not organized as an array");
 
             for (const nlohmann::json& dep : deps) {
+                std::shared_ptr<Collection> col = collection.lock();
                 switch (dep.type()) {
                     case nlohmann::json::value_t::string:
-                        collection->addSource(dep);
+                        col->addSource(dep);
                         break;
                     case nlohmann::json::value_t::object: {
                         nlohmann::json::const_iterator ditr = dep.find("path");
@@ -94,7 +95,7 @@ bool Component::readAsMason() {
                         if (!path.is_string())
                             return errorScenario(masonScenarion.string() + " object of unexpected format in dependecies");
 
-                        collection->addSource(path);
+                        col->addSource(path);
                     }
                         break;
                     default:
@@ -104,6 +105,7 @@ bool Component::readAsMason() {
         }
 
         type = mason;
+        info(location.string() + " seems to be a mason project");
         return true;
     }
 
@@ -122,6 +124,9 @@ void Component::build(const std::filesystem::path& destination, const std::strin
         throw WrongState(state, "build");
 
     state = building;
+
+    info("Building " + location.string() + " to " + destination.string());
+    state = done;
 }
 
 Component::State Component::getState() const {
diff --git a/src2/component.h b/src2/component.h
index d24b034..2554e72 100644
--- a/src2/component.h
+++ b/src2/component.h
@@ -37,7 +37,7 @@ public:
 
     Component(
         const std::filesystem::path& path,
-        const std::shared_ptr<Collection>& collection,
+        const std::weak_ptr<Collection>& collection,
         const std::shared_ptr<Logger>& logger
     );
 
@@ -55,7 +55,7 @@ private:
 private:
     State state;
     Type type;
-    std::shared_ptr<Collection> collection;
+    std::weak_ptr<Collection> collection;
     std::filesystem::path location;
     std::optional<nlohmann::json> scenario;
 };