cd integrations/object_store
cargo build  --release --target wasm32-unknown-unknown --features "send_wrapper"

error[E0277]: `dyn futures::Future<Output = ()>` cannot be sent between threads safely
    --> /opendal/core/src/types/execute/executors/tokio_executor.rs:28:42
     |
28   |         let _handle = tokio::task::spawn(f);
     |                       ------------------ ^ `dyn futures::Future<Output = ()>` cannot be sent between threads safely
     |                       |
     |                       required by a bound introduced by this call
     |
     = help: the trait `std::marker::Send` is not implemented for `dyn futures::Future<Output = ()>`, which is required by `Pin<Box<dyn futures::Future<Output = ()>>>: std::marker::Send`
     = note: required for `Unique<dyn futures::Future<Output = ()>>` to implement `std::marker::Send`
note: required because it appears within the type `Box<dyn futures::Future<Output = ()>>`