error: 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:11:1 | |
| | |
11 | #![profiler_runtime] //~ ERROR the `#[profiler_runtime]` attribute is | |
| ^^^^^^^^^^^^^^^^^^^^ | |
| | |
= help: add #![feature(profiler_runtime)] to the crate attributes to enable | |
error: aborting due to previous error | |