diff --git a/src/tests/compiletest.md b/src/tests/compiletest.md index 2905e470..a6996e39 100644 --- a/src/tests/compiletest.md +++ b/src/tests/compiletest.md @@ -415,6 +415,10 @@ Compiletest directives like `//@ only-` or `//@ ignore-` are supported in `rmake.rs`, like in UI tests. However, revisions or building auxiliary via directives are not currently supported. +`rmake.rs` and `run-make-support` may *not* use any nightly/unstable features, +as they must be compilable by a stage 0 rustc that may be a beta or even stable +rustc. + #### Quickly check if `rmake.rs` tests can be compiled You can quickly check if `rmake.rs` tests can be compiled without having to