error[E0015]: cannot call non-const fn `random` in constant functions
  --> $DIR/const-fn-not-safe-for-const.rs:14:5
   |
LL |     random()
   |     ^^^^^^^^
   |
   = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants

error[E0658]: referencing statics in constant functions is unstable
  --> $DIR/const-fn-not-safe-for-const.rs:20:5
   |
LL |     Y
   |     ^
   |
   = note: see issue #119618 <https://github.com/rust-lang/rust/issues/119618> for more information
   = help: add `#![feature(const_refs_to_static)]` 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   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date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: `static` and `const` variables can refer to other `const` variables. A `const` variable, however, cannot refer to a `static` variable.
   = help: to fix this, the value can be extracted to a `const` and then used.

error[E0658]: referencing statics in constant functions is unstable
  --> $DIR/const-fn-not-safe-for-const.rs:25:6
   |
LL |     &Y
   |      ^
   |
   = note: see issue #119618 <https://github.com/rust-lang/rust/issues/119618> for more information
   = help: add `#![feature(const_refs_to_static)]` 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   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date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: `static` and `const` variables can refer to other `const` variables. A `const` variable, however, cannot refer to a `static` variable.
   = help: to fix this, the value can be extracted to a `const` and then used.

error: aborting due to 3 previous errors

Some errors have detailed explanations: E0015, E0658.
For more information about an error, try `rustc --explain E0015`.