diff --git a/crates/brioche-core/src/bake/attach_resources.rs b/crates/brioche-core/src/bake/attach_resources.rs
index 2dee5e04..5791fc5b 100644
--- a/crates/brioche-core/src/bake/attach_resources.rs
+++ b/crates/brioche-core/src/bake/attach_resources.rs
@@ -33,10 +33,10 @@ pub async fn attach_resources(brioche: &Brioche, directory: &mut Directory) -> a
                 .graph
                 .edges_directed(node_index, petgraph::Direction::Outgoing);
 
-            for edge in edges_out {
-                let AttachResourcesPlanEdge::InternalResource(resource) = &edge.weight();
-                resources_to_attach.push(resource);
-            }
+            resources_to_attach.extend(edges_out.map(|edge| {
+                let AttachResourcesPlanEdge::InternalResource(resource) = edge.weight();
+                resource
+            }));
         }
 
         // If there are no resources to attach, no need to update this node
diff --git a/crates/brioche-core/src/project.rs b/crates/brioche-core/src/project.rs
index ea3532e8..9dacd1dd 100644
--- a/crates/brioche-core/src/project.rs
+++ b/crates/brioche-core/src/project.rs
@@ -564,11 +564,10 @@ impl ProjectsInner {
         &self,
         project_hashes: &HashSet<ProjectHash>,
     ) -> anyhow::Result<impl Iterator<Item = PathBuf>> {
-        let mut paths = Vec::with_capacity(project_hashes.len());
-        for project_hash in project_hashes {
-            paths.push(self.project_module_paths(*project_hash)?);
-        }
-
+        let paths = project_hashes
+            .iter()
+            .map(|project_hash| self.project_module_paths(*project_hash))
+            .collect::<Result<Vec<_>, _>>()?;
         Ok(paths.into_iter().flatten())
     }
 
@@ -600,12 +599,10 @@ impl ProjectsInner {
         project_hashes: &HashSet<ProjectHash>,
     ) -> anyhow::Result<impl Iterator<Item = super::script::specifier::BriocheModuleSpecifier>>
     {
-        let mut module_specifiers = Vec::with_capacity(project_hashes.len());
-        for project_hash in project_hashes {
-            let module_paths = self.project_module_specifiers(*project_hash)?;
-            module_specifiers.push(module_paths);
-        }
-
+        let module_specifiers = project_hashes
+            .iter()
+            .map(|project_hash| self.project_module_specifiers(*project_hash))
+            .collect::<Result<Vec<_>, _>>()?;
         Ok(module_specifiers.into_iter().flatten())
     }
 
diff --git a/crates/brioche-core/src/project/load.rs b/crates/brioche-core/src/project/load.rs
index 54b23439..77cdf8ad 100644
--- a/crates/brioche-core/src/project/load.rs
+++ b/crates/brioche-core/src/project/load.rs
@@ -434,12 +434,12 @@ async fn load_project_inner(
                     dependencies
                         .insert(dep_name.clone(), DependencyRef::Project(*dep_project_hash));
 
-                    for error in &dep_errors[..] {
-                        errors.push(LoadProjectError::DependencyError {
+                    errors.extend(dep_errors.iter().map(|error| {
+                        LoadProjectError::DependencyError {
                             name: dep_name.clone(),
                             error: Box::new(error.clone()),
-                        });
-                    }
+                        }
+                    }));
                 }
             }