src/test/ui/traits/trait-bounds-not-on-bare-trait.stderr

   1 warning: trait objects without an explicit `dyn` are deprecated
   2   --> $DIR/trait-bounds-not-on-bare-trait.rs:7:12
   3    |
   4 LL | fn foo(_x: Foo + Send) {
   5    |            ^^^^^^^^^^ help: use `dyn`: `dyn Foo + Send`
   6    |
   7    = note: `#[warn(bare_trait_objects)]` on by default
   8
   9 error[E0277]: the size for values of type `(dyn Foo + Send + 'static)` cannot be known at compilation time
  10   --> $DIR/trait-bounds-not-on-bare-trait.rs:7:8
  11    |
  12 LL | fn foo(_x: Foo + Send) {
  13    |        ^^ doesn't have a size known at compile-time
  14    |
  15    = help: the trait `Sized` is not implemented for `(dyn Foo + Send + 'static)`
  16    = help: unsized fn params are gated as an unstable feature
  17 help: function arguments must have a statically known size, borrowed types always have a known size
  18    |
  19 LL | fn foo(&_x: Foo + Send) {
  20    |        ^
  21
  22 error: aborting due to previous error; 1 warning emitted
  23
  24 For more information about this error, try `rustc --explain E0277`.