panic!("incompatible crate versions");
} else if stderr.contains("failed to run `rustc` to learn about target-specific information") {
panic!("couldn't find librustc_driver, consider setting `LD_LIBRARY_PATH`");
- } else if stderr.contains("toolchain") && stderr.contains("is not installed") {
- panic!("missing required toolchain");
+ } else {
+ assert!(
+ !stderr.contains("toolchain") || !stderr.contains("is not installed"),
+ "missing required toolchain"
+ );
}
match output.status.code() {