Don't check cargo version

Author: ehuss

src/bootstrap/src/core/config/config.rs

@@ -2390,47 +2390,47 @@ impl Config {
         }
     }
 
-    #[cfg(feature = "bootstrap-self-test")]
+    // #[cfg(feature = "bootstrap-self-test")]
     pub fn check_stage0_version(&self, _program_path: &Path, _component_name: &'static str) {}
 
-    /// check rustc/cargo version is same or lower with 1 apart from the building one
-    #[cfg(not(feature = "bootstrap-self-test"))]
-    pub fn check_stage0_version(&self, program_path: &Path, component_name: &'static str) {
-        use build_helper::util::fail;
-
-        if self.dry_run() {
-            return;
-        }
-
-        let stage0_output = output(Command::new(program_path).arg("--version"));
-        let mut stage0_output = stage0_output.lines().next().unwrap().split(' ');
-
-        let stage0_name = stage0_output.next().unwrap();
-        if stage0_name != component_name {
-            fail(&format!(
-                "Expected to find {component_name} at {} but it claims to be {stage0_name}",
-                program_path.display()
-            ));
-        }
-
-        let stage0_version =
-            semver::Version::parse(stage0_output.next().unwrap().split('-').next().unwrap().trim())
-                .unwrap();
-        let source_version = semver::Version::parse(
-            fs::read_to_string(self.src.join("src/version")).unwrap().trim(),
-        )
-        .unwrap();
-        if !(source_version == stage0_version
-            || (source_version.major == stage0_version.major
-                && (source_version.minor == stage0_version.minor
-                    || source_version.minor == stage0_version.minor + 1)))
-        {
-            let prev_version = format!("{}.{}.x", source_version.major, source_version.minor - 1);
-            fail(&format!(
-                "Unexpected {component_name} version: {stage0_version}, we should use {prev_version}/{source_version} to build source with {source_version}"
-            ));
-        }
-    }
+    // /// check rustc/cargo version is same or lower with 1 apart from the building one
+    // #[cfg(not(feature = "bootstrap-self-test"))]
+    // pub fn check_stage0_version(&self, program_path: &Path, component_name: &'static str) {
+    //     use build_helper::util::fail;
+
+    //     if self.dry_run() {
+    //         return;
+    //     }
+
+    //     let stage0_output = output(Command::new(program_path).arg("--version"));
+    //     let mut stage0_output = stage0_output.lines().next().unwrap().split(' ');
+
+    //     let stage0_name = stage0_output.next().unwrap();
+    //     if stage0_name != component_name {
+    //         fail(&format!(
+    //             "Expected to find {component_name} at {} but it claims to be {stage0_name}",
+    //             program_path.display()
+    //         ));
+    //     }
+
+    //     let stage0_version =
+    //         semver::Version::parse(stage0_output.next().unwrap().split('-').next().unwrap().trim())
+    //             .unwrap();
+    //     let source_version = semver::Version::parse(
+    //         fs::read_to_string(self.src.join("src/version")).unwrap().trim(),
+    //     )
+    //     .unwrap();
+    //     if !(source_version == stage0_version
+    //         || (source_version.major == stage0_version.major
+    //             && (source_version.minor == stage0_version.minor
+    //                 || source_version.minor == stage0_version.minor + 1)))
+    //     {
+    //         let prev_version = format!("{}.{}.x", source_version.major, source_version.minor - 1);
+    //         fail(&format!(
+    //             "Unexpected {component_name} version: {stage0_version}, we should use {prev_version}/{source_version} to build source with {source_version}"
+    //         ));
+    //     }
+    // }
 
     /// Returns the commit to download, or `None` if we shouldn't download CI artifacts.
     fn download_ci_rustc_commit(&self, download_rustc: Option<StringOrBool>) -> Option<String> {