warning: unused variable: `conn`
 --> src/db.rs:14:9
  |
14 |     let conn = pool.get()?;
  |         ^^^^ help: if this is intentional, prefix it with an underscore: `_conn`
  |
  = note: `#[warn(unused_variables)]` on by default

error[E0308]: mismatched types
 --> src/db.rs:31:20
  |
31 |     let id: u64 = row.get("id");
  |             ---   ^^^^^^^^^^^^^ expected `u64`, found `i64`
  |             |
  |             expected due to this

error[E0425]: cannot find value `cfg` in this scope
 --> src/main.rs:8:5
  |
8 |     cfg.validate();
  |     ^^^ not found in this scope

error: aborting due to 2 previous errors; 1 warning emitted

Some errors have detailed explanations: E0308, E0425.
For more information about an error, try `rustc --explain E0308`.
