unify result writing #712

Job	Run time
Test (ubuntu-24.04)	7m 58s
Android (ubuntu-24.04, aarch64-linux-android)	8m 15s
Difftest (ubuntu-24.04)	12m 1s
cargo-deny	57s
Test (macOS-latest)	8m 24s
Difftest (windows-2022)	22m 37s
Lint	7m 10s
Compiletest (windows-2022)	16m 16s
Compiletest (macOS-latest)	8m 50s
Difftest (macOS-latest)	19m 8s
Compiletest (ubuntu-24.04)	8m 35s
Test (windows-2022)	15m 33s
test_success	2s
	2h 15m 46s

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