Fix compiletest and doc comment

Author: Kobzol

src/build_helper/src/git.rs

@@ -57,7 +57,7 @@ pub enum PathFreshness {
 /// whose modifications would invalidate the artifact.
 /// Each pathspec can also be a negative match, i.e. `:!foo`. This matches changes outside
 /// the `foo` directory.
-/// See https://git-scm.com/docs/gitglossary#Documentation/gitglossary.txt-aiddefpathspecapathspec
+/// See <https://git-scm.com/docs/gitglossary#Documentation/gitglossary.txt-aiddefpathspecapathspec>
 /// for how git `pathspec` works.
 ///
 /// The function behaves differently in CI and outside CI.

src/tools/compiletest/src/lib.rs

@@ -745,7 +745,7 @@ fn modified_tests(config: &Config, dir: &Utf8Path) -> Result<Vec<Utf8PathBuf>, S
         &vec!["rs", "stderr", "fixed"],
     )?;
     // Add new test cases to the list, it will be convenient in daily development.
-    let untracked_files = get_git_untracked_files(Some(dir))?.unwrap_or(vec![]);
+    let untracked_files = get_git_untracked_files(Some(dir.as_std_path()))?.unwrap_or(vec![]);
 
     let all_paths = [&files[..], &untracked_files[..]].concat();
     let full_paths = {