refactor: use safe dup2 #318

Job	Run time
lint	48s
clippy	1m 23s
check_and_test (ubuntu-24.04, amd64, x86_64-unknown-linux-gnu, x86_64, usr/lib/x86_64-linux-gnu, ...	3m 24s
check_and_test (ubuntu-24.04, amd64, x86_64-unknown-linux-gnu, x86_64, usr/lib/x86_64-linux-gnu, ...	3m 22s
check_and_test (ubuntu-24.04, amd64, x86_64-unknown-linux-gnu, x86_64, usr/lib/x86_64-linux-gnu, ...	3m 42s
check_and_test (ubuntu-24.04, arm64, aarch64-unknown-linux-gnu, aarch64, usr/lib/aarch64-linux-gn...	4m 12s
check_and_test (ubuntu-24.04, arm64, aarch64-unknown-linux-gnu, aarch64, usr/lib/aarch64-linux-gn...	4m 38s
check_and_test (ubuntu-24.04, riscv64, riscv64gc-unknown-linux-gnu, riscv64, usr/lib/riscv64-linu...	4m 29s
check_and_test (ubuntu-24.04, riscv64, riscv64gc-unknown-linux-gnu, riscv64, usr/lib/riscv64-linu...	4m 40s
	30m 38s

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