From 2c3b32585e93346f8cfced012f4c44e6b00f664e Mon Sep 17 00:00:00 2001
From: RenzoMXD <170978465+RenzoMXD@users.noreply.github.com>
Date: Wed, 11 Mar 2026 17:33:45 +0100
Subject: [PATCH 1/3] Fix: allow flexbuffers alloc check test

---
 tests/rust_usage_test/Cargo.toml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/rust_usage_test/Cargo.toml b/tests/rust_usage_test/Cargo.toml
index 828224dd9a..cd2064e162 100644
--- a/tests/rust_usage_test/Cargo.toml
+++ b/tests/rust_usage_test/Cargo.toml
@@ -25,12 +25,12 @@ path = "bin/monster_example.rs"
 [[bin]]
 name = "flatbuffers_alloc_check"
 path = "bin/flatbuffers_alloc_check.rs"
-test = false
+test = true
 
 [[bin]]
 name = "flexbuffers_alloc_check"
 path = "bin/flexbuffers_alloc_check.rs"
-test = false
+test = true
 
 [[bin]]
 name = "sample_flexbuffers"

From 234768048c4afce0380ab83835367e4c95a938b1 Mon Sep 17 00:00:00 2001
From: RenzoMXD <170978465+RenzoMXD@users.noreply.github.com>
Date: Thu, 12 Mar 2026 05:23:59 +0100
Subject: [PATCH 2/3] fix: flaky CI failure

---
 rust/flatbuffers/src/builder.rs  | 3 +++
 tests/rust_usage_test/Cargo.toml | 2 --
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/rust/flatbuffers/src/builder.rs b/rust/flatbuffers/src/builder.rs
index f4cf961e3e..7edacc58ee 100644
--- a/rust/flatbuffers/src/builder.rs
+++ b/rust/flatbuffers/src/builder.rs
@@ -294,6 +294,9 @@ impl<'fbb, A: Allocator> FlatBufferBuilder<'fbb, A> {
 
             min_align: 0,
             force_defaults: false,
+            #[cfg(feature = "std")]
+            strings_pool: HashMap::with_capacity(strings_pool_capacity),
+            #[cfg(not(feature = "std"))]
             strings_pool: Vec::with_capacity(strings_pool_capacity),
 
             _phantom: PhantomData,
diff --git a/tests/rust_usage_test/Cargo.toml b/tests/rust_usage_test/Cargo.toml
index cd2064e162..5b7152b9c5 100644
--- a/tests/rust_usage_test/Cargo.toml
+++ b/tests/rust_usage_test/Cargo.toml
@@ -25,12 +25,10 @@ path = "bin/monster_example.rs"
 [[bin]]
 name = "flatbuffers_alloc_check"
 path = "bin/flatbuffers_alloc_check.rs"
-test = true
 
 [[bin]]
 name = "flexbuffers_alloc_check"
 path = "bin/flexbuffers_alloc_check.rs"
-test = true
 
 [[bin]]
 name = "sample_flexbuffers"

From 1ccfffd9d69ef38d1f32614f2ee18ef8d364abba Mon Sep 17 00:00:00 2001
From: RenzoMXD <170978465+RenzoMXD@users.noreply.github.com>
Date: Thu, 12 Mar 2026 13:25:57 +0100
Subject: [PATCH 3/3] fix: set flexbuffers alloc check false

---
 tests/rust_usage_test/Cargo.toml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/rust_usage_test/Cargo.toml b/tests/rust_usage_test/Cargo.toml
index 5b7152b9c5..828224dd9a 100644
--- a/tests/rust_usage_test/Cargo.toml
+++ b/tests/rust_usage_test/Cargo.toml
@@ -25,10 +25,12 @@ path = "bin/monster_example.rs"
 [[bin]]
 name = "flatbuffers_alloc_check"
 path = "bin/flatbuffers_alloc_check.rs"
+test = false
 
 [[bin]]
 name = "flexbuffers_alloc_check"
 path = "bin/flexbuffers_alloc_check.rs"
+test = false
 
 [[bin]]
 name = "sample_flexbuffers"