VS Code 1.73.0 Rust-analyzer v0.3.1277 Rust 1.65.0 Created an example below to simulate the issue. But if I remove 'struct' auto complete works. 
VS Code 1.73.0
Rust-analyzer v0.3.1277
Rust 1.65.0
Created an example below to simulate the issue.
But if I remove 'struct' auto complete works.