diff options
| -rw-r--r-- | tests/compile-test.rs | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/tests/compile-test.rs b/tests/compile-test.rs index 7d266a36bb6..caa19e39ccd 100644 --- a/tests/compile-test.rs +++ b/tests/compile-test.rs @@ -48,7 +48,24 @@ fn third_party_crates() -> String { && name.rsplit('.').next().map(|ext| ext.eq_ignore_ascii_case("rlib")) == Some(true) { if let Some(old) = crates.insert(dep, path.clone()) { - panic!("Found multiple rlibs for crate `{}`: `{:?}` and `{:?}", dep, old, path); + // Check which action should be done in order to remove compiled deps. + // If pre-installed version of compiler is used, `cargo clean` will do. + // Otherwise (for bootstrapped compiler), the dependencies directory + // must be removed manually. + let suggested_action = if std::env::var_os("RUSTC_BOOTSTRAP").is_some() { + "remove the stageN-tools directory" + } else { + "run `cargo clean`" + }; + + panic!( + "\n---------------------------------------------------\n\n \ + Found multiple rlibs for crate `{}`: `{:?}` and `{:?}`.\n \ + Probably, you need to {} before running tests again.\n \ + \nFor details on that error see https://github.com/rust-lang/rust-clippy/issues/7343 \ + \n---------------------------------------------------\n", + dep, old, path, suggested_action + ); } break; } |