tests/ui/closures/closure-bounds-subtype.stderr

   1 error[E0277]: `F` cannot be shared between threads safely
   2   --> $DIR/closure-bounds-subtype.rs:13:22
   3    |
   4 LL |     take_const_owned(f);
   5    |     ---------------- ^ `F` cannot be shared between threads safely
   6    |     |
   7    |     required by a bound introduced by this call
   8    |
   9 note: required by a bound in `take_const_owned`
  10   --> $DIR/closure-bounds-subtype.rs:4:50
  11    |
  12 LL | fn take_const_owned<F>(_: F) where F: FnOnce() + Sync + Send {
  13    |                                                  ^^^^ required by this bound in `take_const_owned`
  14 help: use parentheses to call this type parameter
  15    |
  16 LL |     take_const_owned(f());
  17    |                       ++
  18 help: consider further restricting this bound
  19    |
  20 LL | fn give_owned<F>(f: F) where F: FnOnce() + Send + std::marker::Sync {
  21    |                                                 +++++++++++++++++++
  22
  23 error: aborting due to previous error
  24
  25 For more information about this error, try `rustc --explain E0277`.