error[E0658]: the `#[cmse_nonsecure_entry]` attribute is an experimental feature
  --> $DIR/gate_test.rs:4:1
   |
LL | #[cmse_nonsecure_entry]
   | ^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: see issue #75835 <https://github.com/rust-lang/rust/issues/75835> for more information
   = help: add `#![feature(cmse_nonsecure_entry)]` to the crate attributes to enable

error[E0775]: `#[cmse_nonsecure_entry]` is only valid for targets with the TrustZone-M extension
  --> $DIR/gate_test.rs:4:1
   |
LL | #[cmse_nonsecure_entry]
   | ^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0658, E0775.
For more information about an error, try `rustc --explain E0658`.