Add example to compile_error message
#[cfg(any(not(feature = "debug"), not(feature = "compare")))]
compile_error!(
- "Please enable the `debug` and `compare` features \
- in order to compile and run the tests."
+ "Please enable the `debug` and `compare` features in order to compile and run the tests.
+ Example: `cargo test --features debug --features compare`"
);
#[cfg(feature = "abomonation-serialize")]
