Fix/version check #47

Job	Run time
MSRV check	45s
cargo build - macos-latest	4m 7s
cargo test - macos-latest	4m 59s
cargo fmt - macos-latest	42s
cargo clippy - macos-latest	4m 36s
cargo doc - macos-latest	32s
cargo publish - macos-latest	6m 0s
cargo build - ubuntu-20.04	5m 42s
cargo test - ubuntu-20.04	3m 36s
cargo fmt - ubuntu-20.04	53s
cargo clippy - ubuntu-20.04	3m 50s
cargo doc - ubuntu-20.04	31s
cargo publish - ubuntu-20.04	3m 29s
cargo build - windows-latest	9m 57s
cargo test - windows-latest	5m 46s
cargo fmt - windows-latest	1m 2s
cargo clippy - windows-latest	4m 13s
cargo doc - windows-latest	1m 59s
cargo publish - windows-latest	5m 4s
	1h 7m 43s

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