| error[E0658]: the `#[profiler_runtime]` attribute is used to identify the `profiler_builtins` crate which contains the profiler runtime and will never be stable | |
| --> $DIR/feature-gate-profiler-runtime.rs:1:1 | |
| | | |
| LL | #![profiler_runtime] | |
| | ^^^^^^^^^^^^^^^^^^^^ | |
| | | |
| = help: add `#![feature(profiler_runtime)]` to the crate attributes to enable | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0658`. |