error[E0658]: use of an internal attribute
  --> $DIR/no-unstable.rs:1:1
   |
LL | / thread_local! {
...  |
LL | |     pub static BAZ: () = ();
LL | | }
   | |_^
   |
   = help: add `#![feature(rustc_attrs)]` to the crate attributes to enable
   = note: the `#[rustc_dummy]` attribute is an internal implementation detail that will never be stable
   = note: the `#[rustc_dummy]` attribute is used for rustc unit tests
   = note: this error originates in the macro `$crate::thread::local_impl::thread_local_process_attrs` which comes from the expansion of the macro `thread_local` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0658]: use of an internal attribute
  --> $DIR/no-unstable.rs:1:1
   |
LL | / thread_local! {
...  |
LL | |     pub static BAZ: () = ();
LL | | }
   | |_^
   |
   = help: add `#![feature(rustc_attrs)]` to the crate attributes to enable
   = note: the `#[rustc_dummy]` attribute is an internal implementation detail that will never be stable
   = note: the `#[rustc_dummy]` attribute is used for rustc unit tests
   = note: this error originates in the macro `$crate::thread::local_impl::thread_local_process_attrs` which comes from the expansion of the macro `thread_local` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0658]: `#[used(linker)]` is currently unstable
  --> $DIR/no-unstable.rs:1:1
   |
LL | / thread_local! {
...  |
LL | |     pub static BAZ: () = ();
LL | | }
   | |_^
   |
   = note: see issue #93798 <https://github.com/rust-lang/rust/issues/93798> for more information
   = help: add `#![feature(used_with_arg)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
   = note: this error originates in the macro `$crate::thread::local_impl::thread_local_process_attrs` which comes from the expansion of the macro `thread_local` (in Nightly builds, run with -Z macro-backtrace for more info)

error: `#[used]` attribute cannot be used on constants
  --> $DIR/no-unstable.rs:1:1
   |
LL | / thread_local! {
...  |
LL | |     pub static BAZ: () = ();
LL | | }
   | |_^
   |
   = help: `#[used]` can only be applied to statics
   = note: this error originates in the macro `$crate::thread::local_impl::thread_local_process_attrs` which comes from the expansion of the macro `thread_local` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 4 previous errors

For more information about this error, try `rustc --explain E0658`.