Andrew Sonin

Results 3 issues of Andrew Sonin

### Problem ```bash info: syncing channel updates for 'stable-x86_64-apple-darwin' info: checking for self-updates stable-x86_64-apple-darwin unchanged - rustc 1.56.1 (59eed8a2a 2021-11-01) info: cleaning up downloads & tmp directories thread 'main' panicked...

bug

I'm currently unable to test my concurrent code, which contains calls to `parking_lot::RwLockWriteGuard::downgrade`. It would be great if `loom` supported this function.