error: expected a pattern, found an expression
  --> $DIR/pat-lt-bracket-5.rs:2:9
   |
LL |     let v[0] = v[1];
   |         ^^^^ not a pattern
   |
   = note: arbitrary expressions are not allowed in patterns: <https://doc.rust-lang.org/book/ch18-00-patterns.html>

error[E0425]: cannot find value `v` in this scope
  --> $DIR/pat-lt-bracket-5.rs:2:16
   |
LL |     let v[0] = v[1];
   |                ^ not found in this scope

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0425`.