Rust

Introduce Checksumming #445

Job	Run time
Check all the features of the heed project (ubuntu-latest)	17s
Check the heed3 project (ubuntu-latest)	14s
Test the heed3 project (ubuntu-latest)	18s
Check the heed3 project (windows-latest)	18s
Test the heed project (ubuntu-latest)	34s
Test the heed3 project (windows-latest)	16s
Check the heed3 project (macos-latest)	22s
Test the heed project (windows-latest)	1m 37s
Check all the features of the heed project (macos-latest)	21s
Test the heed3 project (macos-latest)	24s
Test the heed project (macos-latest)	33s
Check all the features of the heed3 project (ubuntu-latest)	15s
Run the heed examples (ubuntu-latest)	28s
Ensure the heed and heed3 project are formatted	12s
Ensure clippy is happy on heed and heed3	15s
Run the heed examples (macos-latest)	24s
Check all the features of the heed3 project (macos-latest)	21s
Run the heed3 examples (ubuntu-latest)	22s
Ensure heed3 is not erasing heed	3s
Run the heed3 examples (macos-latest)	1s
	7m 35s

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