diff --git a/.cargo/config b/.cargo/config.toml
similarity index 100%
rename from .cargo/config
rename to .cargo/config.toml
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8fc77a8..4b074b7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,13 +17,10 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - name: Install latest stable compiler
-        id: toolchain
-        uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: stable
-          override: true
-          components: clippy
+          toolchain: "1.77"
+          components: clippy, rustfmt
 
       - name: Cache multiple paths
         id: cache
diff --git a/fp-bindgen/src/generators/mod.rs b/fp-bindgen/src/generators/mod.rs
index 7f7032f..857e026 100644
--- a/fp-bindgen/src/generators/mod.rs
+++ b/fp-bindgen/src/generators/mod.rs
@@ -235,7 +235,7 @@ impl TsRuntimeConfig {
 
     /// Sets the `msgpack_module` setting.
     pub fn with_msgpack_module(mut self, msgpack_module: &str) -> Self {
-        self.msgpack_module = msgpack_module.to_owned();
+        msgpack_module.clone_into(&mut self.msgpack_module);
         self
     }
 
diff --git a/fp-bindgen/src/types/enums.rs b/fp-bindgen/src/types/enums.rs
index d3dd602..467dce1 100644
--- a/fp-bindgen/src/types/enums.rs
+++ b/fp-bindgen/src/types/enums.rs
@@ -189,10 +189,10 @@ impl EnumOptions {
             self.variant_casing = other.variant_casing;
         }
         if other.content_prop_name.is_some() {
-            self.content_prop_name = other.content_prop_name.clone();
+            self.content_prop_name.clone_from(&other.content_prop_name);
         }
         if other.tag_prop_name.is_some() {
-            self.tag_prop_name = other.tag_prop_name.clone();
+            self.tag_prop_name.clone_from(&other.tag_prop_name);
         }
         if other.untagged {
             self.untagged = true;
@@ -306,7 +306,7 @@ impl VariantAttrs {
             self.field_casing = other.field_casing;
         }
         if other.rename.is_some() {
-            self.rename = other.rename.clone();
+            self.rename.clone_from(&other.rename);
         }
     }
 
diff --git a/fp-bindgen/src/types/structs.rs b/fp-bindgen/src/types/structs.rs
index 2837849..82f7b39 100644
--- a/fp-bindgen/src/types/structs.rs
+++ b/fp-bindgen/src/types/structs.rs
@@ -220,22 +220,23 @@ impl FieldAttrs {
 
     fn merge_with(&mut self, other: &Self) {
         if other.default.is_some() {
-            self.default = other.default.clone();
+            self.default.clone_from(&other.default);
         }
         if other.deserialize_with.is_some() {
-            self.deserialize_with = other.deserialize_with.clone();
+            self.deserialize_with.clone_from(&other.deserialize_with);
         }
         if other.flatten {
             self.flatten = other.flatten;
         }
         if other.rename.is_some() {
-            self.rename = other.rename.clone();
+            self.rename.clone_from(&other.rename);
         }
         if other.serialize_with.is_some() {
-            self.serialize_with = other.serialize_with.clone();
+            self.serialize_with.clone_from(&other.serialize_with);
         }
         if other.skip_serializing_if.is_some() {
-            self.skip_serializing_if = other.skip_serializing_if.clone();
+            self.skip_serializing_if
+                .clone_from(&other.skip_serializing_if);
         }
     }