now compiles on stable

Cargo.toml

@@ -22,3 +22,6 @@ reqwest = {version = "0.10", features= ["stream"]}
 memmap = "0.7"
 getrandom = "0.1"
 base64 = "0.12"
+
+[target.'cfg(not(nightly))'.dependencies]
+linked-list = "0.0"

src/list.rs

@@ -97,7 +97,6 @@ impl<T> LinkedList<T>
 	assert!(at < self.sz, "Cannot remove at element > than size");
 
 	todo!()
-	//TODO: Implement through iter_mut()
     }
 }
 

src/main.rs

@@ -1,6 +1,6 @@
-#![feature(linked_list_remove)]
-#![feature(label_break_value)]
-#![feature(never_type)]
+#![cfg_attr(nightly, feature(linked_list_remove))]
+//#![feature(label_break_value)]
+//#![feature(never_type)]
 
 #![allow(dead_code)]
 

src/work_async.rs

@@ -108,7 +108,7 @@ pub async fn work(conf: config::Config) -> Result<(), Box<dyn std::error::Error>
 	    prog_send!(link unwind prog.push_task(&task));
 	    
 	    let temp = tempfile::TempFile::new();
-	    let return_value = 'clean: {
+	    let return_value = loop {
 		match perform(&url, &temp, &mut prog).await {
 		    Err(e) => prog_send!(link prog.println(format!("Failed downloading {} -> {:?}: {}", url, temp, e))),
 		    Ok(_) => {
@@ -120,15 +120,15 @@ pub async fn work(conf: config::Config) -> Result<(), Box<dyn std::error::Error>
 			    Ok(v) => v,
 			    Err(e) => {
 				prog_send!(link prog.println(format!("Failed decoding: {}", e)));
-				break 'clean Some(e);
+				break  Some(e);
 			    },
 			};
 
 			prog_send!(link prog.println(format!("{:?} Complete", loli)));
-			break 'clean None;
+			break None;
 		    },
 		};
-		Some(error::Error::Unknown)
+		break Some(error::Error::Unknown);
 	    };
 
 	    prog_send!(link prog.pop_task(task));

src/work_async/tasklist.rs

@@ -1,12 +1,20 @@
 
 use super::*;
+#[cfg(nightly)]
 use std::{
     collections::LinkedList,
 };
+#[cfg(not(nightly))]
+use linked_list::LinkedList;
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct TaskList(LinkedList<(usize, String)>, String, usize);
 
+#[cfg(not(nightly))]
+unsafe impl std::marker::Send for TaskList{}
+#[cfg(not(nightly))]
+unsafe impl std::marker::Sync for TaskList{}
+
 fn find<T,F>(list: &LinkedList<T>, mut fun: F) -> Option<usize>
 where F: FnMut(&T) -> bool
 {