Add OutOfMemoryError warning

src/parsers.rs

@@ -1,22 +1,22 @@
 #![deny(dead_code)]
 
 use lazy_static::lazy_static;
+use log::warn;
 use regex::Regex;
 
 pub type Check = fn(&str) -> Option<(&str, String)>;
 
-pub static PARSERS: [Check; 7] = [
+pub static PARSERS: [Check; 8] = [
     multimc_in_program_files,
     server_java,
     buildsystem_forge,
     java_version,
     id_range_exceeded,
+    out_of_memory_error,
     java_architecture,
     ram_amount,
 ];
 
-use log::warn;
-
 fn multimc_in_program_files(log: &str) -> Option<(&str, String)> {
     const TRIGGER: &str = "Minecraft folder is:\nC:/Program Files";
     if log.contains(TRIGGER) {
@@ -67,6 +67,14 @@ fn id_range_exceeded(log: &str) -> Option<(&str, String)> {
         None
     }
 }
+fn out_of_memory_error(log: &str) -> Option<(&str, String)> {
+    const TRIGGER: &str = "java.lang.OutOfMemoryError";
+    if log.contains(TRIGGER) {
+        Some(("‼", "You've run out of memory. You should allocate more, although the exact value depends on how many mods you have installed.".to_string()))
+    } else {
+        None
+    }
+}
 
 fn java_version(log: &str) -> Option<(&str, String)> {
     lazy_static! {