error[E0603]: constant `baz` is private --> $DIR/macro-local-data-key-priv.rs:8:10 | LL | bar::baz.with(|_| ()); | ^^^ private constant | note: the constant `baz` is defined here --> $DIR/macro-local-data-key-priv.rs:4:5 | LL | thread_local!(static baz: f64 = 0.0); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this error originates in the macro `$crate::thread::local_impl::thread_local_inner` 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 previous error For more information about this error, try `rustc --explain E0603`.