1 error[E0658]: use of unstable library feature 'core_intrinsics': intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library
2 --> $DIR/unchecked_math_unstable.rs:4:19
4 LL | let add = std::intrinsics::unchecked_add(x, y);
5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
7 = help: add `#![feature(core_intrinsics)]` to the crate attributes to enable
9 error[E0658]: use of unstable library feature 'core_intrinsics': intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library
10 --> $DIR/unchecked_math_unstable.rs:5:19
12 LL | let sub = std::intrinsics::unchecked_sub(x, y);
13 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
15 = help: add `#![feature(core_intrinsics)]` to the crate attributes to enable
17 error[E0658]: use of unstable library feature 'core_intrinsics': intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library
18 --> $DIR/unchecked_math_unstable.rs:6:19
20 LL | let mul = std::intrinsics::unchecked_mul(x, y);
21 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
23 = help: add `#![feature(core_intrinsics)]` to the crate attributes to enable
25 error: aborting due to 3 previous errors
27 For more information about this error, try `rustc --explain E0658`.