warning: the feature `let_chains` is incomplete and may not be safe to use and/or cause compiler crashes
  --> $DIR/issue-82290.rs:3:12
   |
LL | #![feature(let_chains)]
   |            ^^^^^^^^^^
   |
   = note: `#[warn(incomplete_features)]` on by default
   = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information

warning: irrefutable `let` pattern
  --> $DIR/issue-82290.rs:6:16
   |
LL |     if true && let x = 1 {
   |                ^^^^^^^^^
   |
   = note: `#[warn(irrefutable_let_patterns)]` on by default
   = note: this pattern will always match, so the `let` is useless
   = help: consider removing `let`

warning: 2 warnings emitted