Merge pull request #63 from oSoMoN/io-error-msg #242

Job	Run time
cargo fmt --all -- --check	4s
Code Coverage (ubuntu-latest, unix)	2m 12s
cargo clippy -- -D warnings (ubuntu-latest)	8s
cargo check (ubuntu-latest)	8s
Code Coverage (macos-latest, macos)	3m 2s
cargo clippy -- -D warnings (macOS-latest)	13s
cargo check (macOS-latest)	17s
Code Coverage (windows-latest, windows)	5m 52s
cargo clippy -- -D warnings (windows-latest)	1m 32s
GNU test suite	47s
cargo check (windows-latest)	1m 33s
cargo test (ubuntu-latest)	39s
cargo test (macOS-latest)	2m 54s
cargo test (windows-latest)	4m 16s
	23m 37s

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