Fix a bug: sync before return #264

Job	Run time
Compute NVCC matrix	4s
Compute NVCC matrix	4s
Get devcontainer version	4s
Get devcontainer version	4s
Doxygen check	15s
Doxygen check	15s
CUDA11.8 gcc / amd64 / Devcontainer ubuntu22.04/gcc11	3s
CUDA11.8 gcc / amd64 / Devcontainer ubuntu22.04/gcc11	3s
CUDA12.2 gcc / amd64 / Devcontainer ubuntu22.04/gcc12	3s
CUDA12.2 gcc / amd64 / Devcontainer ubuntu22.04/gcc12	3s
CUDA11.8 gcc / amd64 / Build gcc11/C++17/SM60 / Build gcc11/C++17/SM60	3m 30s
CUDA11.8 gcc / amd64 / Build gcc11/C++17/SM60 / Build gcc11/C++17/SM60	3m 30s
CUDA12.2 gcc / amd64 / Build gcc12/C++17/SM70 / Build gcc12/C++17/SM70	3m 34s
CUDA12.2 gcc / amd64 / Build gcc12/C++17/SM70 / Build gcc12/C++17/SM70	3m 34s
CUDA11.8 gcc / amd64 / Test gcc11/C++17/SM60 / Test gcc11/C++17/SM60	8m 1s
CUDA11.8 gcc / amd64 / Test gcc11/C++17/SM60 / Test gcc11/C++17/SM60	12m 23s
CUDA12.2 gcc / amd64 / Test gcc12/C++17/SM70 / Test gcc12/C++17/SM70	6m 43s
CUDA12.2 gcc / amd64 / Test gcc12/C++17/SM70 / Test gcc12/C++17/SM70	6m 43s
CI success	0s
CI success	1s
	48m 57s

Provide feedback