error[E0368]: binary assignment operation `+=` cannot be applied to type `LinkedList<_>`
  --> $DIR/E0067.rs:4:5
   |
LL |     LinkedList::new() += 1;
   |     -----------------^^^^^
   |     |
   |     cannot use `+=` on type `LinkedList<_>`
   |
note: the foreign item type `LinkedList<_>` doesn't implement `AddAssign<{integer}>`
  --> $SRC_DIR/alloc/src/collections/linked_list.rs:LL:COL
  ::: $SRC_DIR/alloc/src/collections/linked_list.rs:LL:COL
   |
   = note: not implement `AddAssign<{integer}>`

error[E0067]: invalid left-hand side of assignment
  --> $DIR/E0067.rs:4:23
   |
LL |     LinkedList::new() += 1;
   |     ----------------- ^^
   |     |
   |     cannot assign to this expression

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0067, E0368.
For more information about an error, try `rustc --explain E0067`.