Remove uses of Vec::remove_item

src/liballoc/tests/lib.rs

@@ -12,7 +12,6 @@
 #![feature(associated_type_bounds)]
 #![feature(binary_heap_into_iter_sorted)]
 #![feature(binary_heap_drain_sorted)]
-#![feature(vec_remove_item)]
 #![feature(split_inclusive)]
 #![feature(binary_heap_retain)]
 

src/liballoc/tests/vec.rs

@@ -131,21 +131,6 @@ fn test_extend_ref() {
     assert_eq!(v, [1, 2, 3, 4, 5, 6, 7]);
 }
 
-#[test]
-fn test_remove_item() {
-    let mut v = vec![1, 2, 3];
-    v.remove_item(&1);
-
-    assert_eq!(v.len(), 2);
-    assert_eq!(v, [2, 3]);
-
-    let mut w = vec![1, 2, 3];
-    w.remove_item(&4);
-
-    assert_eq!(w.len(), 3);
-    w.remove_item(&4);
-}
-
 #[test]
 fn test_slice_from_mut() {
     let mut values = vec![1, 2, 3, 4, 5];

src/librustc_middle/lib.rs

@@ -45,7 +45,6 @@
 #![feature(min_specialization)]
 #![feature(track_caller)]
 #![feature(trusted_len)]
-#![feature(vec_remove_item)]
 #![feature(stmt_expr_attributes)]
 #![feature(test)]
 #![feature(in_band_lifetimes)]

src/librustc_query_system/lib.rs

@@ -6,7 +6,6 @@
 #![feature(hash_raw_entry)]
 #![feature(min_specialization)]
 #![feature(stmt_expr_attributes)]
-#![feature(vec_remove_item)]
 
 #[macro_use]
 extern crate log;

src/librustc_query_system/query/job.rs

@@ -452,7 +452,9 @@ fn remove_cycle<CTX: QueryContext>(
 
         // Remove the queries in our cycle from the list of jobs to look at
         for r in &stack {
-            jobs.remove_item(&r.1);
+            if let Some(pos) = jobs.iter().position(|j| j == &r.1) {
+                jobs.remove(pos);
+            }
         }
 
         // Find the queries in the cycle which are

src/librustdoc/lib.rs

@@ -9,7 +9,6 @@
 #![feature(nll)]
 #![feature(or_patterns)]
 #![feature(test)]
-#![feature(vec_remove_item)]
 #![feature(ptr_offset_from)]
 #![feature(crate_visibility_modifier)]
 #![feature(never_type)]

src/tools/compiletest/src/main.rs

@@ -1,5 +1,4 @@
 #![crate_name = "compiletest"]
-#![feature(vec_remove_item)]
 #![deny(warnings)]
 // The `test` crate is the only unstable feature
 // allowed here, just to share similar code.