This error appears in the output section on VScode:
2024-12-05T03:00:51.754466Z ERROR notification handler failed handler=textDocument/didSave error=file not found: /Users/hazza/bitcoin-abc/web/explorer/explorer-exe/Cargo.toml
Removed the Cargo.toml + Cargo.lock file in explorer and appended the 'Cargo.toml paths for explorer-exe && explorer-server into the main workspace in bitcoin-abc/Cargo.toml
This allowed rust analyzer to work on .rs files inside the explorer dir.