error[E0658]: use of unstable library feature `unstable`
  --> $DIR/const-unstable-intrinsic.rs:17:9
   |
LL |         unstable_intrinsic::size_of_val(&x);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: see issue #42 <https://github.com/rust-lang/rust/issues/42> for more information
   = help: add `#![feature(unstable)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error[E0658]: use of unstable library feature `unstable`
  --> $DIR/const-unstable-intrinsic.rs:20:9
   |
LL |         unstable_intrinsic::min_align_of_val(&x);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: see issue #42 <https://github.com/rust-lang/rust/issues/42> for more information
   = help: add `#![feature(unstable)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error: `size_of_val` is not yet stable as a const intrinsic
  --> $DIR/const-unstable-intrinsic.rs:17:9
   |
LL |         unstable_intrinsic::size_of_val(&x);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: add `#![feature(unstable)]` to the crate attributes to enable

error: `min_align_of_val` is not yet stable as a const intrinsic
  --> $DIR/const-unstable-intrinsic.rs:20:9
   |
LL |         unstable_intrinsic::min_align_of_val(&x);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: add `#![feature(unstable)]` to the crate attributes to enable

error: const function that might be (indirectly) exposed to stable cannot use `#[feature(local)]`
  --> $DIR/const-unstable-intrinsic.rs:24:9
   |
LL |         size_of_val(&x);
   |         ^^^^^^^^^^^^^^^
   |
help: if the function is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do)
   |
LL + #[rustc_const_unstable(feature = "...", issue = "...")]
LL | const fn const_main() {
   |
help: otherwise, as a last resort `#[rustc_allow_const_fn_unstable]` can be used to bypass stability checks (this requires team approval)
   |
LL + #[rustc_allow_const_fn_unstable(local)]
LL | const fn const_main() {
   |

error: const function that might be (indirectly) exposed to stable cannot use `#[feature(local)]`
  --> $DIR/const-unstable-intrinsic.rs:26:9
   |
LL |         min_align_of_val(&x);
   |         ^^^^^^^^^^^^^^^^^^^^
   |
help: if the function is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do)
   |
LL + #[rustc_const_unstable(feature = "...", issue = "...")]
LL | const fn const_main() {
   |
help: otherwise, as a last resort `#[rustc_allow_const_fn_unstable]` can be used to bypass stability checks (this requires team approval)
   |
LL + #[rustc_allow_const_fn_unstable(local)]
LL | const fn const_main() {
   |

error: intrinsic `copy::copy` cannot be (indirectly) exposed to stable
  --> $DIR/const-unstable-intrinsic.rs:53:14
   |
LL |     unsafe { copy(src, dst, count) }
   |              ^^^^^^^^^^^^^^^^^^^^^
   |
   = help: mark the caller as `#[rustc_const_unstable]`, or mark the intrinsic `#[rustc_intrinsic_const_stable_indirect]` (but this requires team approval)

error: const function that might be (indirectly) exposed to stable cannot use `#[feature(local)]`
  --> $DIR/const-unstable-intrinsic.rs:61:9
   |
LL |         super::size_of_val(src);
   |         ^^^^^^^^^^^^^^^^^^^^^^^
   |
help: if the function is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do)
   |
LL +     #[rustc_const_unstable(feature = "...", issue = "...")]
LL |     const unsafe fn copy<T>(src: *const T, _dst: *mut T, _count: usize) {
   |
help: otherwise, as a last resort `#[rustc_allow_const_fn_unstable]` can be used to bypass stability checks (this requires team approval)
   |
LL +     #[rustc_allow_const_fn_unstable(local)]
LL |     const unsafe fn copy<T>(src: *const T, _dst: *mut T, _count: usize) {
   |

error: aborting due to 8 previous errors

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