Update tests now that 1.88 is stable

Author: ehuss

tests/testsuite/build_script.rs

@@ -5602,17 +5602,14 @@ test check_target ... ok
 "#]])
         .run();
 
-    // Remove check once 1.88 is stable
-    if cargo_test_support::is_nightly() {
-        p.cargo("test --workspace --doc --target")
-            .arg(&target)
-            .with_stdout_data(str![[r#"
+    p.cargo("test --workspace --doc --target")
+        .arg(&target)
+        .with_stdout_data(str![[r#"
 ...
 test foo/src/lib.rs - (line 2) ... ok
 ...
 "#]])
-            .run();
-    }
+        .run();
 }
 
 #[cargo_test]

tests/testsuite/cross_compile.rs

@@ -1136,10 +1136,7 @@ test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; fini
         .run();
 }
 
-#[cargo_test(
-    nightly,
-    reason = "waiting for 1.88 to be stable for doctest xcompile flags"
-)]
+#[cargo_test]
 fn doctest_xcompile_linker() {
     if cross_compile_disabled() {
         return;

tests/testsuite/global_cache_tracker.rs

@@ -1987,11 +1987,9 @@ fn compatible_with_older_cargo() {
             middle = "1.0"
         "#,
     );
-    // TODO: Remove -Zgc after 1.82 is stabilized.
     rustup_cargo()
-        .args(&["+stable", "check", "-Zgc"])
+        .args(&["+stable", "check"])
         .cwd(p.root())
-        .masquerade_as_nightly_cargo(&["gc"])
         .env("__CARGO_TEST_LAST_USE_NOW", months_ago_unix(2))
         .run();
     assert_eq!(get_registry_names("src"), ["middle-1.0.0", "new-1.0.0"]);

tests/testsuite/test.rs

@@ -4742,10 +4742,7 @@ fn test_dep_with_dev() {
         .run();
 }
 
-#[cargo_test(
-    nightly,
-    reason = "waiting for 1.88 to be stable for doctest xcompile flags"
-)]
+#[cargo_test]
 fn cargo_test_doctest_xcompile_ignores() {
     // Check ignore-TARGET syntax.
     let p = project()
@@ -4782,10 +4779,7 @@ test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; fini
         .run();
 }
 
-#[cargo_test(
-    nightly,
-    reason = "waiting for 1.88 to be stable for doctest xcompile flags"
-)]
+#[cargo_test]
 fn cargo_test_doctest_xcompile_runner() {
     if !cross_compile_can_run_on_host() {
         return;
@@ -4868,10 +4862,7 @@ this is a runner
         .run();
 }
 
-#[cargo_test(
-    nightly,
-    reason = "waiting for 1.88 to be stable for doctest xcompile flags"
-)]
+#[cargo_test]
 fn cargo_test_doctest_xcompile_no_runner() {
     if !cross_compile_can_run_on_host() {
         return;