diff --git a/crate_universe/src/metadata/dependency.rs b/crate_universe/src/metadata/dependency.rs
index fb716f31b9..91b2ddc037 100644
--- a/crate_universe/src/metadata/dependency.rs
+++ b/crate_universe/src/metadata/dependency.rs
@@ -367,7 +367,7 @@ fn get_library_target_name(package: &Package, potential_name: &str) -> Result<St
         )
     }
 
-    let target = lib_targets.into_iter().last().unwrap();
+    let target = lib_targets.into_iter().next_back().unwrap();
     Ok(target.name.clone())
 }
 
diff --git a/crate_universe/src/metadata/workspace_discoverer.rs b/crate_universe/src/metadata/workspace_discoverer.rs
index 767b43f1d8..467b63b6c4 100644
--- a/crate_universe/src/metadata/workspace_discoverer.rs
+++ b/crate_universe/src/metadata/workspace_discoverer.rs
@@ -222,11 +222,7 @@ impl ManifestCache<'_> {
         if let Some(maybe_manifest) = self.cache.get(path) {
             return maybe_manifest.clone();
         }
-        let maybe_manifest = if let Ok(manifest) = Manifest::from_path(path) {
-            Some(manifest)
-        } else {
-            None
-        };
+        let maybe_manifest = Manifest::from_path(path).ok();
         self.cache.insert(path.clone(), maybe_manifest.clone());
         maybe_manifest
     }
diff --git a/util/collect_coverage/collect_coverage.rs b/util/collect_coverage/collect_coverage.rs
index fcd3c0ad4f..22b57f7911 100644
--- a/util/collect_coverage/collect_coverage.rs
+++ b/util/collect_coverage/collect_coverage.rs
@@ -9,13 +9,11 @@
 //! data files to compute the coverage report.
 //!
 //! This script assumes the following environment variables are set:
-//! - COVERAGE_DIR            Directory containing metadata files needed for
-//!                           coverage collection (e.g. gcda files, profraw).
-//! - COVERAGE_OUTPUT_FILE    The coverage action output path.
-//! - ROOT                    Location from where the code coverage collection
-//!                           was invoked.
-//! - RUNFILES_DIR            Location of the test's runfiles.
-//! - VERBOSE_COVERAGE        Print debug info from the coverage scripts
+//! - `COVERAGE_DIR``: Directory containing metadata files needed for coverage collection (e.g. gcda files, profraw).
+//! - `COVERAGE_OUTPUT_FILE`: The coverage action output path.
+//! - `ROOT`: Location from where the code coverage collection was invoked.
+//! - `RUNFILES_DIR`: Location of the test's runfiles.
+//! - `VERBOSE_COVERAGE`: Print debug info from the coverage scripts
 //!
 //! The script looks in $COVERAGE_DIR for the Rust metadata coverage files
 //! (profraw) and uses lcov to get the coverage data. The coverage data