src/test/ui/borrowck/two-phase-sneaky.stderr

   1 error[E0499]: cannot borrow `v` as mutable more than once at a time
   2   --> $DIR/two-phase-sneaky.rs:10:9
   3    |
   4 LL |     v[0].push_str({
   5    |     -    -------- first borrow later used by call
   6    |     |
   7    |     first mutable borrow occurs here
   8 LL |
   9 LL |         v.push(format!("foo"));
  10    |         ^^^^^^^^^^^^^^^^^^^^^^ second mutable borrow occurs here
  11
  12 error: aborting due to previous error
  13
  14 For more information about this error, try `rustc --explain E0499`.