add tests for a false negative on `needless_return`

[rust.git] / tests / integration.rs

diff --git a/tests/integration.rs b/tests/integration.rs
index 4f373e034bc204d650f367ea90b111887b67cad3..1718089e8bd27db39c2d7e4c64d15810547b988d 100644 (file)
--- a/tests/integration.rs
+++ b/tests/integration.rs
@@ -64,11 +64,16 @@ fn integration_test() {
     } else if stderr.contains("query stack during panic") {
         panic!("query stack during panic in the output");
     } else if stderr.contains("E0463") {
+        // Encountering E0463 (can't find crate for `x`) did _not_ cause the build to fail in the
+        // past. Even though it should have. That's why we explicitly panic here.
+        // See PR #3552 and issue #3523 for more background.
         panic!("error: E0463");
     } else if stderr.contains("E0514") {
         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");
     }
 
     match output.status.code() {