CI: use rust-cache action for faster CI #1319
Merged
+4
−66
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rust-cache caches most of the directories we cached previously, while
additionally deleting files that we don't need in the cache (about the files being cached, see here and here)
Since the action already removes old files from the cache, we don't need
cargo-sweep any more. Slight difference is (to my understanding) that sweep is based on timestamping before and after the build, and this action just deletes files with mtime > 7 days.
improvements:
If I'm wrong with the assumption that we can remove cargo-sweep I'm happy to add it back, with the difference of the cache being used.