diff --git a/packages/fuel-indexer-tests/trybuild/fail_if_abi_contains_reserved_fuel_type.rs b/packages/fuel-indexer-tests/trybuild/fail_if_abi_contains_reserved_fuel_type.rs
index 651fe3004..bacedec42 100644
--- a/packages/fuel-indexer-tests/trybuild/fail_if_abi_contains_reserved_fuel_type.rs
+++ b/packages/fuel-indexer-tests/trybuild/fail_if_abi_contains_reserved_fuel_type.rs
@@ -1,7 +1,8 @@
-extern crate alloc;
 use fuel_indexer_utils::prelude::*;
 
-#[indexer(manifest = "packages/fuel-indexer-tests/trybuild/invalid_abi_type_simple_wasm.yaml")]
+#[indexer(
+    manifest = "packages/fuel-indexer-tests/trybuild/invalid_abi_type_simple_wasm.yaml"
+)]
 mod indexer {
     fn function_one(event: BlockHeight) {
         let BlockHeight { id, account } = event;
diff --git a/packages/fuel-indexer-tests/trybuild/fail_if_arg_not_passed_to_handler_function.rs b/packages/fuel-indexer-tests/trybuild/fail_if_arg_not_passed_to_handler_function.rs
index 211cf47f4..60667f43b 100644
--- a/packages/fuel-indexer-tests/trybuild/fail_if_arg_not_passed_to_handler_function.rs
+++ b/packages/fuel-indexer-tests/trybuild/fail_if_arg_not_passed_to_handler_function.rs
@@ -1,4 +1,3 @@
-extern crate alloc;
 use fuel_indexer_utils::prelude::*;
 
 #[no_mangle]
@@ -13,7 +12,10 @@ fn ff_put_many_to_many_record(_inp: ()) {}
 #[indexer(manifest = "packages/fuel-indexer-tests/trybuild/simple_wasm.yaml")]
 mod indexer {
     fn function_one() {
-        let t1 = Thing1 { id: uid([1]), account: Address::default() };
+        let t1 = Thing1 {
+            id: uid([1]),
+            account: Address::default(),
+        };
         t1.save();
     }
 }
diff --git a/packages/fuel-indexer-tests/trybuild/fail_if_attribute_abi_arg_includes_invalid_type.rs b/packages/fuel-indexer-tests/trybuild/fail_if_attribute_abi_arg_includes_invalid_type.rs
index e05167111..1dce61ae7 100644
--- a/packages/fuel-indexer-tests/trybuild/fail_if_attribute_abi_arg_includes_invalid_type.rs
+++ b/packages/fuel-indexer-tests/trybuild/fail_if_attribute_abi_arg_includes_invalid_type.rs
@@ -1,4 +1,3 @@
-extern crate alloc;
 use fuel_indexer_utils::prelude::indexer;
 
 #[no_mangle]
diff --git a/packages/fuel-indexer-tests/trybuild/fail_if_attribute_manifest_schema_arg_is_invalid.rs b/packages/fuel-indexer-tests/trybuild/fail_if_attribute_manifest_schema_arg_is_invalid.rs
index c9215559d..75ca8628a 100644
--- a/packages/fuel-indexer-tests/trybuild/fail_if_attribute_manifest_schema_arg_is_invalid.rs
+++ b/packages/fuel-indexer-tests/trybuild/fail_if_attribute_manifest_schema_arg_is_invalid.rs
@@ -1,10 +1,11 @@
-extern crate alloc;
 use fuel_indexer_utils::prelude::*;
 
 #[no_mangle]
 fn ff_log_data(_inp: ()) {}
 
-#[indexer(manifest = "packages/fuel-indexer-tests/trybuild/invalid_schema_simple_wasm.yaml")]
+#[indexer(
+    manifest = "packages/fuel-indexer-tests/trybuild/invalid_schema_simple_wasm.yaml"
+)]
 mod indexer {
     fn function_one(event: SomeEvent) {
         let SomeEvent { id, account } = event;
diff --git a/packages/fuel-indexer-tests/trybuild/fail_if_ident_not_defined_in_abi.rs b/packages/fuel-indexer-tests/trybuild/fail_if_ident_not_defined_in_abi.rs
index 2e0ccd8f2..c09da16c5 100644
--- a/packages/fuel-indexer-tests/trybuild/fail_if_ident_not_defined_in_abi.rs
+++ b/packages/fuel-indexer-tests/trybuild/fail_if_ident_not_defined_in_abi.rs
@@ -1,4 +1,3 @@
-extern crate alloc;
 use fuel_indexer_utils::prelude::*;
 
 #[indexer(manifest = "packages/fuel-indexer-tests/trybuild/simple_wasm.yaml")]
diff --git a/packages/fuel-indexer-tests/trybuild/fail_if_indexer_module_is_empty.rs b/packages/fuel-indexer-tests/trybuild/fail_if_indexer_module_is_empty.rs
index 404f326dd..f024c3d23 100644
--- a/packages/fuel-indexer-tests/trybuild/fail_if_indexer_module_is_empty.rs
+++ b/packages/fuel-indexer-tests/trybuild/fail_if_indexer_module_is_empty.rs
@@ -1,4 +1,3 @@
-extern crate alloc;
 use fuel_indexer_utils::prelude::*;
 
 #[no_mangle]
diff --git a/packages/fuel-indexer-tests/trybuild/fail_if_non_function_patterns_included_in_module.rs b/packages/fuel-indexer-tests/trybuild/fail_if_non_function_patterns_included_in_module.rs
index 22b7f745d..1b8f8b91a 100644
--- a/packages/fuel-indexer-tests/trybuild/fail_if_non_function_patterns_included_in_module.rs
+++ b/packages/fuel-indexer-tests/trybuild/fail_if_non_function_patterns_included_in_module.rs
@@ -1,13 +1,10 @@
-extern crate alloc;
 use fuel_indexer_utils::prelude::*;
 
 #[indexer(manifest = "packages/fuel-indexer-tests/trybuild/simple_wasm.yaml")]
 mod indexer {
 
-    mod some_disallowed_module {
+    mod some_disallowed_module {}
 
-    }
-    
     fn function_one(event: SomeEvent) {
         let SomeEvent { id, account } = event;
 
diff --git a/packages/fuel-indexer-tests/trybuild/fail_if_unsupported_type_used_in_handler_args.rs b/packages/fuel-indexer-tests/trybuild/fail_if_unsupported_type_used_in_handler_args.rs
index d97caf827..1c29e307c 100644
--- a/packages/fuel-indexer-tests/trybuild/fail_if_unsupported_type_used_in_handler_args.rs
+++ b/packages/fuel-indexer-tests/trybuild/fail_if_unsupported_type_used_in_handler_args.rs
@@ -1,4 +1,3 @@
-extern crate alloc;
 use fuel_indexer_utils::prelude::*;
 
 #[indexer(manifest = "packages/fuel-indexer-tests/trybuild/simple_wasm.yaml")]
diff --git a/packages/fuel-indexer-tests/trybuild/pass_if_indexer_is_valid_multi_type.rs b/packages/fuel-indexer-tests/trybuild/pass_if_indexer_is_valid_multi_type.rs
index 6fd0a8cb5..6103fcb33 100644
--- a/packages/fuel-indexer-tests/trybuild/pass_if_indexer_is_valid_multi_type.rs
+++ b/packages/fuel-indexer-tests/trybuild/pass_if_indexer_is_valid_multi_type.rs
@@ -1,4 +1,3 @@
-extern crate alloc;
 use fuel_indexer_utils::prelude::*;
 
 #[no_mangle]
diff --git a/packages/fuel-indexer-tests/trybuild/pass_if_indexer_is_valid_single_type.rs b/packages/fuel-indexer-tests/trybuild/pass_if_indexer_is_valid_single_type.rs
index dc6cd2e88..4f9532d56 100644
--- a/packages/fuel-indexer-tests/trybuild/pass_if_indexer_is_valid_single_type.rs
+++ b/packages/fuel-indexer-tests/trybuild/pass_if_indexer_is_valid_single_type.rs
@@ -1,4 +1,3 @@
-extern crate alloc;
 use fuel_indexer_utils::prelude::*;
 
 #[no_mangle]
diff --git a/packages/fuel-indexer-tests/trybuild/pass_if_unsupported_types_are_used.rs b/packages/fuel-indexer-tests/trybuild/pass_if_unsupported_types_are_used.rs
index 09524cbd5..c140b5bba 100644
--- a/packages/fuel-indexer-tests/trybuild/pass_if_unsupported_types_are_used.rs
+++ b/packages/fuel-indexer-tests/trybuild/pass_if_unsupported_types_are_used.rs
@@ -1,4 +1,3 @@
-extern crate alloc;
 use fuel_indexer_utils::prelude::*;
 
 #[no_mangle]