Remove unsafe code

src/cgg_data_source.rs

@@ -64,9 +64,8 @@ struct Info {
     id: String
 }
 
-static mut CHAMPIONS_REPORT: Vec<ChampionReport> = Vec::new();
-
 lazy_static! {
+    static ref CHAMPIONS_REPORT: Mutex<Vec<ChampionReport>> = Mutex::new(Vec::new());
     static ref CHAMPIONS_STATS: Mutex<HashMap<String, ChampStat>> = Mutex::new(HashMap::new());
 }
 
@@ -150,8 +149,8 @@ impl DataSource for CGGDataSource {
             champions.insert(id, roles);
         }
 
-        unsafe {
-            CHAMPIONS_REPORT = datas.lol.champions_report;
+        for report in datas.lol.champions_report {
+             CHAMPIONS_REPORT.lock().unwrap().push(report);
         }
 
         (champions, patch)
@@ -165,11 +164,10 @@ impl DataSource for CGGDataSource {
     ) -> Option<(Vec<Value>, f64)> {
             
         let mut some_champ: Option<&ChampionReport> = None;
-        unsafe {
-            for champion in &CHAMPIONS_REPORT {
-                if champion.champion_id.to_string() == champ.key && champion.role == position {
-                    some_champ = Some(champion);
-                }
+        let reports = CHAMPIONS_REPORT.lock().unwrap();
+        for champion in reports.iter() {
+            if champion.champion_id.to_string() == champ.key && champion.role == position {
+                some_champ = Some(champion);
             }
         }
         if let Some(champ) = some_champ {