warning: unused import: `core::future::Future` --> tests/ui/spawn_nonsend.rs:3:5 | 3 | use core::future::Future; | ^^^^^^^^^^^^^^^^^^^^ | = note: `#[warn(unused_imports)]` on by default error[E0277]: `*mut ()` cannot be sent between threads safely --> tests/ui/spawn_nonsend.rs:13:13 | 7 | #[embassy_executor::task] | ------------------------- within this `impl Sized` ... 13 | s.spawn(task(core::ptr::null_mut()).unwrap()); | ----- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `*mut ()` cannot be sent between threads safely | | | required by a bound introduced by this call | = help: within `impl Sized`, the trait `Send` is not implemented for `*mut ()` note: required because it's used within this closure --> tests/ui/spawn_nonsend.rs:7:1 | 7 | #[embassy_executor::task] | ^^^^^^^^^^^^^^^^^^^^^^^^^ note: required because it appears within the type `impl Sized` --> src/raw/mod.rs | | pub unsafe fn _spawn_async_fn(&'static self, future: FutFn) -> Result, SpawnError> | ^^^^^^^^^^ note: required because it appears within the type `impl Sized` --> tests/ui/spawn_nonsend.rs:7:1 | 7 | #[embassy_executor::task] | ^^^^^^^^^^^^^^^^^^^^^^^^^ note: required by a bound in `SendSpawner::spawn` --> src/spawner.rs | | pub fn spawn(&self, token: SpawnToken) { | ^^^^ required by this bound in `SendSpawner::spawn` = note: this error originates in the attribute macro `embassy_executor::task` (in Nightly builds, run with -Z macro-backtrace for more info)