src/tools/miri/tests/fail/coroutine-pinned-moved.stderr

error: Undefined Behavior: memory access failed: ALLOC has been freed, so this pointer is dangling
  --> tests/fail/coroutine-pinned-moved.rs:LL:CC
   |
LL |         *num += 1;
   |         ^^^^^^^^^ Undefined Behavior occurred here
   |
   = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior
   = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information
help: ALLOC was allocated here:
  --> tests/fail/coroutine-pinned-moved.rs:LL:CC
   |
LL |         let mut coroutine_iterator = Box::new(CoroutineIteratorAdapter(firstn()));
   |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
help: ALLOC was deallocated here:
  --> tests/fail/coroutine-pinned-moved.rs:LL:CC
   |
LL |     }; // *deallocate* coroutine_iterator
   |     ^
   = note: stack backtrace:
           0: firstn::{closure#0}
               at tests/fail/coroutine-pinned-moved.rs:LL:CC
           1: <CoroutineIteratorAdapter<{static coroutine@tests/fail/coroutine-pinned-moved.rs:LL:CC}> as std::iter::Iterator>::next
               at tests/fail/coroutine-pinned-moved.rs:LL:CC
           2: std::boxed::iter::next
               at RUSTLIB/alloc/src/boxed/iter.rs:LL:CC
           3: main
               at tests/fail/coroutine-pinned-moved.rs:LL:CC

note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace

error: aborting due to 1 previous error