Compiling opentelemetry_sdk v0.18.0 (https://github.com/makorne/opentelemetry-rust.git#9021b4f9)
error[E0277]: `*mut u8` cannot be sent between threads safely
   --> /home/den/.cargo/git/checkouts/opentelemetry-rust-e60293f9fcf2de72/9021b4f/opentelemetry-sdk/src/runtime.rs:116:21
    |
116 |     type Interval = async_std::stream::Interval;
    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `*mut u8` cannot be sent between threads safely
    |
    = help: within `Interval`, the trait `std::marker::Send` is not implemented for `*mut u8`
    = note: required because it appears within the type `PhantomData<*mut u8>`
    = note: required because it appears within the type `wasm_bindgen::JsValue`
    = note: required because it appears within the type `ManuallyDrop<wasm_bindgen::JsValue>`
    = note: required because it appears within the type `wasm_bindgen::closure::Closure<(dyn FnMut() + 'static)>`
    = note: required because it appears within the type `Option<wasm_bindgen::closure::Closure<(dyn FnMut() + 'static)>>`
    = note: required because it appears within the type `gloo_timers::callback::Timeout`
    = note: required because it appears within the type `gloo_timers::future::TimeoutFuture`
    = note: required because it appears within the type `async_std::utils::timer::Timer`
    = note: required because it appears within the type `Interval`
note: required by a bound in `Runtime::Interval`
   --> /home/den/.cargo/git/checkouts/opentelemetry-rust-e60293f9fcf2de72/9021b4f/opentelemetry-sdk/src/runtime.rs:20:29
    |
20  |     type Interval: Stream + Send;
    |                             ^^^^ required by this bound in `Runtime::Interval`

error[E0277]: `(dyn FnMut() + 'static)` cannot be sent between threads safely
   --> /home/den/.cargo/git/checkouts/opentelemetry-rust-e60293f9fcf2de72/9021b4f/opentelemetry-sdk/src/runtime.rs:116:21
    |
116 |     type Interval = async_std::stream::Interval;
    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn FnMut() + 'static)` cannot be sent between threads safely
    |
    = help: the trait `std::marker::Send` is not implemented for `(dyn FnMut() + 'static)`
    = note: required because of the requirements on the impl of `std::marker::Send` for `Unique<(dyn FnMut() + 'static)>`
    = note: required because it appears within the type `Box<(dyn FnMut() + 'static)>`
    = note: required because it appears within the type `ManuallyDrop<Box<(dyn FnMut() + 'static)>>`
    = note: required because it appears within the type `wasm_bindgen::closure::Closure<(dyn FnMut() + 'static)>`
    = note: required because it appears within the type `Option<wasm_bindgen::closure::Closure<(dyn FnMut() + 'static)>>`
    = note: required because it appears within the type `gloo_timers::callback::Timeout`
    = note: required because it appears within the type `gloo_timers::future::TimeoutFuture`
    = note: required because it appears within the type `async_std::utils::timer::Timer`
    = note: required because it appears within the type `Interval`
note: required by a bound in `Runtime::Interval`
   --> /home/den/.cargo/git/checkouts/opentelemetry-rust-e60293f9fcf2de72/9021b4f/opentelemetry-sdk/src/runtime.rs:20:29
    |
20  |     type Interval: Stream + Send;
    |                             ^^^^ required by this bound in `Runtime::Interval`

error[E0277]: expected a `FnOnce<()>` closure, found `Pin<Box<dyn futures_util::Future<Output = ()> + std::marker::Send>>`
   --> /home/den/.cargo/git/checkouts/opentelemetry-rust-e60293f9fcf2de72/9021b4f/opentelemetry-sdk/src/runtime.rs:124:23
    |
124 |         let _ = spawn(future);
    |                 ----- ^^^^^^ expected an `FnOnce<()>` closure, found `Pin<Box<dyn futures_util::Future<Output = ()> + std::marker::Send>>`
    |                 |
    |                 required by a bound introduced by this call
    |
    = help: the trait `FnOnce<()>` is not implemented for `Pin<Box<dyn futures_util::Future<Output = ()> + std::marker::Send>>`
    = note: wrap the `Pin<Box<dyn futures_util::Future<Output = ()> + std::marker::Send>>` in a closure with no arguments: `|| { /* code */ }`
note: required by a bound in `std::thread::spawn`
   --> /home/den/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/mod.rs:652:8
    |
652 |     F: FnOnce() -> T,
    |        ^^^^^^^^^^^^^ required by this bound in `std::thread::spawn`

error: future cannot be sent between threads safely
   --> /home/den/.cargo/git/checkouts/opentelemetry-rust-e60293f9fcf2de72/9021b4f/opentelemetry-sdk/src/runtime.rs:128:9
    |
128 |         Box::pin(async_std::task::sleep(duration))
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ future is not `Send`
    |
    = help: within `impl futures_util::Future<Output = ()>`, the trait `std::marker::Send` is not implemented for `*mut u8`
note: future is not `Send` as this value is used across an await
   --> /home/den/.cargo/registry/src/github.com-1ecc6299db9ec823/async-std-1.12.0/src/io/timeout.rs:42:6
    |
40  |           timeout: timer_after(dur),
    |                    ---------------- has type `async_std::utils::timer::Timer` which is not `Send`
41  |           future: f,
42  |       }
    |  ______^
43  | |     .await
    | |__________^ await occurs here, with `timer_after(dur)` maybe used later
44  |   }
    |   - `timer_after(dur)` is later dropped here
    = note: required for the cast from `impl futures_util::Future<Output = ()>` to the object type `dyn futures_util::Future<Output = ()> + std::marker::Send`

error: future cannot be sent between threads safely
   --> /home/den/.cargo/git/checkouts/opentelemetry-rust-e60293f9fcf2de72/9021b4f/opentelemetry-sdk/src/runtime.rs:128:9
    |
128 |         Box::pin(async_std::task::sleep(duration))
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ future is not `Send`
    |
    = help: the trait `std::marker::Send` is not implemented for `(dyn FnMut() + 'static)`
note: future is not `Send` as this value is used across an await
   --> /home/den/.cargo/registry/src/github.com-1ecc6299db9ec823/async-std-1.12.0/src/io/timeout.rs:42:6
    |
40  |           timeout: timer_after(dur),
    |                    ---------------- has type `async_std::utils::timer::Timer` which is not `Send`
41  |           future: f,
42  |       }
    |  ______^
43  | |     .await
    | |__________^ await occurs here, with `timer_after(dur)` maybe used later
44  |   }
    |   - `timer_after(dur)` is later dropped here
    = note: required for the cast from `impl futures_util::Future<Output = ()>` to the object type `dyn futures_util::Future<Output = ()> + std::marker::Send`