Rust

Combined version of LMDB mdb.master and mdb.master3 #343

Job	Run time
Check all the features of the heed3 project (ubuntu-latest)	13s
Check all the features of the heed3 project (macos-latest)	1s
Check all the features of the heed project (ubuntu-latest)	37s
Check the heed3 project (ubuntu-latest)	26s
Check all the features of the heed project (macos-latest)	27s
Run the heed examples (ubuntu-latest)	26s
Check the heed3 project (windows-latest)	49s
Ensure the heed project is formatted	12s
Run the heed examples (macos-latest)	41s
Check the heed3 project (macos-latest)	1s
Run the heed3-encryption examples (ubuntu-latest)	6h 0m 14s
Run the heed3-encryption examples (macos-latest)	2h 25m 50s
Run the heed3 examples (ubuntu-latest)	6h 0m 14s
Test the heed project (ubuntu-latest)	6h 0m 12s
Run the heed3 examples (macos-latest)	2h 13m 24s
Test the heed project (windows-latest)	6h 0m 1s
Test the heed project (macos-latest)	2h 9m 40s
	1d 6h 53m 28s

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