update based on comment

crates/ide/src/runnables.rs

@@ -57,7 +57,7 @@ pub enum RunnableKind {
     TestMod { path: String },
     Test { test_id: TestId, attr: TestAttr },
     Bench { test_id: TestId },
-    DocTest { test_id: TestId, has_compile_fail: bool },
+    DocTest { test_id: TestId },
     Bin,
 }
 
@@ -404,7 +404,9 @@ pub(crate) fn runnable_impl(
     let display_target = def.module(sema.db).krate(sema.db).to_display_target(sema.db);
     let edition = display_target.edition;
     let attrs = def.attrs(sema.db);
-    let doc_test_info = runnable_doc_test_info(sema.db, &attrs)?;
+    if !has_runnable_doc_test(sema.db, &attrs) {
+        return None;
+    }
     let cfg = attrs.cfgs(sema.db).cloned();
     let nav = def.try_to_nav(sema)?.call_site();
     let ty = def.self_ty(sema.db);
@@ -427,7 +429,7 @@ pub(crate) fn runnable_impl(
     Some(Runnable {
         use_name_in_title: false,
         nav,
-        kind: RunnableKind::DocTest { test_id, has_compile_fail: doc_test_info.has_compile_fail },
+        kind: RunnableKind::DocTest { test_id },
         cfg,
         update_test,
     })
@@ -506,7 +508,9 @@ fn module_def_doctest(sema: &Semantics<'_, RootDatabase>, def: Definition) -> Op
     let display_target = krate
         .unwrap_or_else(|| (*db.all_crates().last().expect("no crate graph present")).into())
         .to_display_target(db);
-    let doc_test_info = runnable_doc_test_info(db, &attrs)?;
+    if !has_runnable_doc_test(db, &attrs) {
+        return None;
+    }
     let def_name = def.name(db)?;
     let path = (|| {
         let mut path = String::new();
@@ -547,7 +551,7 @@ fn module_def_doctest(sema: &Semantics<'_, RootDatabase>, def: Definition) -> Op
     let res = Runnable {
         use_name_in_title: false,
         nav,
-        kind: RunnableKind::DocTest { test_id, has_compile_fail: doc_test_info.has_compile_fail },
+        kind: RunnableKind::DocTest { test_id },
         cfg: attrs.cfgs(db).cloned(),
         update_test: UpdateTest::default(),
     };
@@ -565,23 +569,18 @@ impl TestAttr {
     }
 }
 
-#[derive(Default, Clone, Copy)]
-struct RunnableDocTestInfo {
-    has_compile_fail: bool,
-}
-
-fn runnable_doc_test_info(
-    db: &RootDatabase,
-    attrs: &hir::AttrsWithOwner,
-) -> Option<RunnableDocTestInfo> {
+fn has_runnable_doc_test(db: &RootDatabase, attrs: &hir::AttrsWithOwner) -> bool {
     const RUSTDOC_FENCES: [&str; 2] = ["```", "~~~"];
     const RUSTDOC_CODE_BLOCK_ATTRIBUTES_RUNNABLE: &[&str] =
         &["", "rust", "should_panic", "edition2015", "edition2018", "edition2021", "edition2024"];
 
-    let doc = attrs.hir_docs(db)?;
-    let mut info = RunnableDocTestInfo::default();
+    let doc = match attrs.hir_docs(db) {
+        Some(doc) => doc,
+        None => return false,
+    };
     let mut in_code_block = false;
     let mut runnable_found = false;
+    let mut has_compile_fail = false;
 
     for line in doc.docs().lines() {
         let trimmed_line = line.trim_start();
@@ -606,7 +605,7 @@ fn runnable_doc_test_info(
                 if attr.eq_ignore_ascii_case("compile_fail") {
                     block_has_compile_fail = true;
                     block_runnable = false;
-                    continue;
+                    break;
                 }
 
                 if !RUSTDOC_CODE_BLOCK_ATTRIBUTES_RUNNABLE
@@ -617,12 +616,12 @@ fn runnable_doc_test_info(
                 }
             }
 
-            info.has_compile_fail |= block_has_compile_fail;
+            has_compile_fail |= block_has_compile_fail;
             runnable_found |= block_runnable;
         }
     }
 
-    runnable_found.then_some(info)
+    runnable_found && !has_compile_fail
 }
 
 // We could create runnables for modules with number_of_test_submodules > 0,
@@ -780,7 +779,6 @@ impl UpdateTest {
 mod tests {
     use expect_test::{Expect, expect};
 
-    use super::RunnableKind;
     use crate::fixture;
 
     fn check(#[rust_analyzer::rust_fixture] ra_fixture: &str, expect: Expect) {
@@ -970,11 +968,13 @@ impl Test for StructWithRunnable {}
     }
 
     #[test]
-    fn doc_test_runnable_tracks_compile_fail_blocks() {
-        let (analysis, position) = fixture::position(
+    fn doc_test_with_compile_fail_blocks_is_skipped() {
+        check(
             r#"
 //- /lib.rs
 $0
+fn main() {}
+
 /// ```compile_fail
 /// let x = 5;
 /// x += 1;
@@ -984,22 +984,14 @@ $0
 /// let x = 5;
 /// x + 1;
 /// ```
-fn add(left: u64, right: u64) -> u64 {
-    left + right
-}
+fn add() {}
 "#,
+            expect![[r#"
+                [
+                    "(Bin, NavigationTarget { file_id: FileId(0), full_range: 1..13, focus_range: 4..8, name: \"main\", kind: Function })",
+                ]
+            "#]],
         );
-
-        let runnables = analysis.runnables(position.file_id).unwrap();
-        let doc_test = runnables
-            .into_iter()
-            .find(|runnable| matches!(runnable.kind, RunnableKind::DocTest { .. }))
-            .expect("expected doctest runnable");
-
-        match doc_test.kind {
-            RunnableKind::DocTest { has_compile_fail, .. } => assert!(has_compile_fail),
-            _ => panic!("expected doctest runnable"),
-        }
     }
 
     #[test]

crates/rust-analyzer/src/target_spec.rs

@@ -116,7 +116,7 @@ impl CargoTargetSpec {
         cfg: &Option<CfgExpr>,
     ) -> (Vec<String>, Vec<String>) {
         let config = snap.config.runnables(None);
-        let mut extra_test_binary_args = config.extra_test_binary_args;
+        let extra_test_binary_args = config.extra_test_binary_args;
 
         let mut cargo_args = Vec::new();
         let mut executable_args = Vec::new();
@@ -146,13 +146,10 @@ impl CargoTargetSpec {
                 }
                 executable_args.extend(extra_test_binary_args);
             }
-            RunnableKind::DocTest { test_id, has_compile_fail } => {
+            RunnableKind::DocTest { test_id } => {
                 cargo_args.push("test".to_owned());
                 cargo_args.push("--doc".to_owned());
                 executable_args.push(test_id.to_string());
-                if *has_compile_fail {
-                    extra_test_binary_args.retain(|arg| arg != "--nocapture");
-                }
                 executable_args.extend(extra_test_binary_args);
             }
             RunnableKind::Bin => {