6 files changed, 19 insertions, 5 deletions
diff --git a/library/test/Cargo.toml b/library/test/Cargo.toml
index 61b6f33bc..18cb023d2 100644
--- a/library/test/Cargo.toml
+++ b/library/test/Cargo.toml
@@ -7,11 +7,9 @@ edition = "2021"
 crate-type = ["dylib", "rlib"]
 
 [dependencies]
-cfg-if = { version = "1.0", features = ['rustc-dep-of-std'] }
 getopts = { version = "0.2.21", features = ['rustc-dep-of-std'] }
 std = { path = "../std" }
 core = { path = "../core" }
-libc = { version = "0.2", default-features = false }
 panic_unwind = { path = "../panic_unwind" }
 panic_abort = { path = "../panic_abort" }
 
diff --git a/library/test/src/cli.rs b/library/test/src/cli.rs
index 796796e07..9d22ebbee 100644
--- a/library/test/src/cli.rs
+++ b/library/test/src/cli.rs
@@ -309,7 +309,8 @@ fn parse_opts_impl(matches: getopts::Matches) -> OptRes {
 // FIXME: Copied from librustc_ast until linkage errors are resolved. Issue #47566
 fn is_nightly() -> bool {
     // Whether this is a feature-staged build, i.e., on the beta or stable channel
-    let disable_unstable_features = option_env!("CFG_DISABLE_UNSTABLE_FEATURES").is_some();
+    let disable_unstable_features =
+        option_env!("CFG_DISABLE_UNSTABLE_FEATURES").map(|s| s != "0").unwrap_or(false);
     // Whether we should enable unstable features for bootstrapping
     let bootstrap = env::var("RUSTC_BOOTSTRAP").is_ok();
 
diff --git a/library/test/src/console.rs b/library/test/src/console.rs
index 24cbe035f..1ee68c854 100644
--- a/library/test/src/console.rs
+++ b/library/test/src/console.rs
@@ -53,6 +53,7 @@ pub struct ConsoleTestState {
     pub metrics: MetricMap,
     pub failures: Vec<(TestDesc, Vec<u8>)>,
     pub not_failures: Vec<(TestDesc, Vec<u8>)>,
+    pub ignores: Vec<(TestDesc, Vec<u8>)>,
     pub time_failures: Vec<(TestDesc, Vec<u8>)>,
     pub options: Options,
 }
@@ -76,6 +77,7 @@ impl ConsoleTestState {
             metrics: MetricMap::new(),
             failures: Vec::new(),
             not_failures: Vec::new(),
+            ignores: Vec::new(),
             time_failures: Vec::new(),
             options: opts.options,
         })
@@ -194,7 +196,10 @@ fn handle_test_result(st: &mut ConsoleTestState, completed_test: CompletedTest)
             st.passed += 1;
             st.not_failures.push((test, stdout));
         }
-        TestResult::TrIgnored => st.ignored += 1,
+        TestResult::TrIgnored => {
+            st.ignored += 1;
+            st.ignores.push((test, stdout));
+        }
         TestResult::TrBench(bs) => {
             st.metrics.insert_metric(
                 test.name.as_slice(),
diff --git a/library/test/src/formatters/terse.rs b/library/test/src/formatters/terse.rs
index 0837ab169..a431acfbc 100644
--- a/library/test/src/formatters/terse.rs
+++ b/library/test/src/formatters/terse.rs
@@ -254,6 +254,15 @@ impl<T: Write> OutputFormatter for TerseFormatter<T> {
 
         self.write_plain("\n\n")?;
 
+        // Custom handling of cases where there is only 1 test to execute and that test was ignored.
+        // We want to show more detailed information(why was the test ignored) for investigation purposes.
+        if self.total_test_count == 1 && state.ignores.len() == 1 {
+            let test_desc = &state.ignores[0].0;
+            if let Some(im) = test_desc.ignore_message {
+                self.write_plain(format!("test: {}, ignore_message: {}\n\n", test_desc.name, im))?;
+            }
+        }
+
         Ok(success)
     }
 }
diff --git a/library/test/src/lib.rs b/library/test/src/lib.rs
index 69fb529d7..88d8e5fe9 100644
--- a/library/test/src/lib.rs
+++ b/library/test/src/lib.rs
@@ -204,7 +204,7 @@ fn make_owned_test(test: &&TestDescAndFn) -> TestDescAndFn {
 }
 
 /// Invoked when unit tests terminate. Returns `Result::Err` if the test is
-/// considered a failure. By default, invokes `report() and checks for a `0`
+/// considered a failure. By default, invokes `report()` and checks for a `0`
 /// result.
 pub fn assert_test_result<T: Termination>(result: T) -> Result<(), String> {
     let code = result.report().to_i32();
diff --git a/library/test/src/tests.rs b/library/test/src/tests.rs
index 3a0260f86..44776fb0a 100644
--- a/library/test/src/tests.rs
+++ b/library/test/src/tests.rs
@@ -790,6 +790,7 @@ fn should_sort_failures_before_printing_them() {
         failures: vec![(test_b, Vec::new()), (test_a, Vec::new())],
         options: Options::new(),
         not_failures: Vec::new(),
+        ignores: Vec::new(),
         time_failures: Vec::new(),
     };