src/test/ui/async-await/issue-68112.stderr

   1 error: future cannot be sent between threads safely
   2   --> $DIR/issue-68112.rs:34:5
   3    |
   4 LL | fn require_send(_: impl Send) {}
   5    |                         ---- required by this bound in `require_send`
   6 ...
   7 LL |     require_send(send_fut);
   8    |     ^^^^^^^^^^^^ future created by async block is not `Send`
   9    |
  10    = help: the trait `Sync` is not implemented for `RefCell<i32>`
  11 note: future is not `Send` as it awaits another future which is not `Send`
  12   --> $DIR/issue-68112.rs:31:17
  13    |
  14 LL |         let _ = non_send_fut.await;
  15    |                 ^^^^^^^^^^^^ await occurs here on type `impl Future`, which is not `Send`
  16
  17 error: future cannot be sent between threads safely
  18   --> $DIR/issue-68112.rs:43:5
  19    |
  20 LL | fn require_send(_: impl Send) {}
  21    |                         ---- required by this bound in `require_send`
  22 ...
  23 LL |     require_send(send_fut);
  24    |     ^^^^^^^^^^^^ future created by async block is not `Send`
  25    |
  26    = help: the trait `Sync` is not implemented for `RefCell<i32>`
  27 note: future is not `Send` as it awaits another future which is not `Send`
  28   --> $DIR/issue-68112.rs:40:17
  29    |
  30 LL |         let _ = make_non_send_future1().await;
  31    |                 ^^^^^^^^^^^^^^^^^^^^^^^ await occurs here on type `impl Future`, which is not `Send`
  32
  33 error[E0277]: `RefCell<i32>` cannot be shared between threads safely
  34   --> $DIR/issue-68112.rs:60:5
  35    |
  36 LL | fn require_send(_: impl Send) {}
  37    |                         ---- required by this bound in `require_send`
  38 ...
  39 LL |     require_send(send_fut);
  40    |     ^^^^^^^^^^^^ `RefCell<i32>` cannot be shared between threads safely
  41    |
  42    = help: the trait `Sync` is not implemented for `RefCell<i32>`
  43    = note: required because of the requirements on the impl of `Send` for `Arc<RefCell<i32>>`
  44    = note: required because it appears within the type `[static generator@$DIR/issue-68112.rs:47:31: 47:36]`
  45    = note: required because it appears within the type `from_generator::GenFuture<[static generator@$DIR/issue-68112.rs:47:31: 47:36]>`
  46    = note: required because it appears within the type `impl Future`
  47    = note: required because it appears within the type `impl Future`
  48    = note: required because it appears within the type `impl Future`
  49    = note: required because it appears within the type `{ResumeTy, impl Future, (), i32, Ready<i32>}`
  50    = note: required because it appears within the type `[static generator@$DIR/issue-68112.rs:55:26: 59:6]`
  51    = note: required because it appears within the type `from_generator::GenFuture<[static generator@$DIR/issue-68112.rs:55:26: 59:6]>`
  52    = note: required because it appears within the type `impl Future`
  53
  54 error: aborting due to 3 previous errors
  55
  56 For more information about this error, try `rustc --explain E0277`.