error: unmatched angle brackets
  --> $DIR/issue-54521.rs:11:60
   |
LL |     let _ = vec![1, 2, 3].into_iter().collect::<Vec<usize>>>>>>();
   |                                                            ^^^^ help: remove extra angle brackets

error: unmatched angle brackets
  --> $DIR/issue-54521.rs:14:60
   |
LL |     let _ = vec![1, 2, 3].into_iter().collect::<Vec<usize>>>>>();
   |                                                            ^^^ help: remove extra angle brackets

error: unmatched angle brackets
  --> $DIR/issue-54521.rs:17:60
   |
LL |     let _ = vec![1, 2, 3].into_iter().collect::<Vec<usize>>>>();
   |                                                            ^^ help: remove extra angle brackets

error: unmatched angle bracket
  --> $DIR/issue-54521.rs:20:60
   |
LL |     let _ = vec![1, 2, 3].into_iter().collect::<Vec<usize>>>();
   |                                                            ^ help: remove extra angle bracket

error: aborting due to 4 previous errors