C APIのセーフティネットのメッセージを改善する #2060

Job	Run time
actionlint	23s
rust-lint	2m 49s
shellcheck	13s
validate-cargo-lock	28s
build-and-test-java-api (windows-latest)	9m 48s
build-and-test-python-api (windows-latest)	12m 43s
build-and-test-java-api (macos-latest)	5m 49s
build-and-test-python-api (macos-latest)	6m 38s
build-unix-cpp-example (macos-latest, osx-x64-cpu-cpp-shared)	4m 13s
build-and-test-java-api (ubuntu-latest)	3m 59s
build-and-test-python-api (ubuntu-latest)	4m 22s
build-unix-cpp-example (ubuntu-latest, linux-x64-cpu-cpp-shared)	2m 42s
build-windows-cpp-example	6m 56s
c-header	1m 15s
rust-integration-test-strategy-matrix	1s
rust-unit-test	4m 25s
rust-integration-test (windows-2019, directml)	6m 23s
rust-integration-test (macos-11)	2m 21s
rust-integration-test (ubuntu-20.04)	1m 39s
	1h 17m 7s

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