Rust

Introduce Checksumming #440

Job	Run time
Check all the features of the heed project (ubuntu-latest)	22s
Test the heed3 project (ubuntu-latest)	40s
Check all the features of the heed project (macos-latest)	22s
Check all the features of the heed3 project (ubuntu-latest)	39s
Test the heed3 project (windows-latest)	40s
Check the heed3 project (ubuntu-latest)	14s
Check all the features of the heed3 project (macos-latest)	23s
Test the heed3 project (macos-latest)	39s
Check the heed3 project (windows-latest)	1m 16s
Ensure clippy is happy on heed and heed3	24s
Check the heed3 project (macos-latest)	21s
Run the heed examples (ubuntu-latest)	19s
Ensure the heed and heed3 project are formatted	10s
Run the heed3 examples (ubuntu-latest)	18s
Run the heed examples (macos-latest)	25s
Test the heed project (ubuntu-latest)	29s
Test the heed project (windows-latest)	2m 20s
Ensure heed3 is not erasing heed	5s
Test the heed project (macos-latest)	34s
Run the heed3 examples (macos-latest)	27s
	11m 7s

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