error[E0381]: used binding `x` isn't initialized --> $DIR/borrowck-uninit-ref-chain.rs:8:14 | LL | let x: &&Box<i32>; | - binding declared here but left uninitialized LL | let _y = &**x; | ^^^^ `**x` used here but it isn't initialized | help: consider assigning a value | LL | let x: &&Box<i32> = todo!(); | +++++++++ error[E0381]: used binding `x` isn't initialized --> $DIR/borrowck-uninit-ref-chain.rs:11:14 | LL | let x: &&S<i32, i32>; | - binding declared here but left uninitialized LL | let _y = &**x; | ^^^^ `**x` used here but it isn't initialized | help: consider assigning a value | LL | let x: &&S<i32, i32> = todo!(); | +++++++++ error[E0381]: used binding `x` isn't initialized --> $DIR/borrowck-uninit-ref-chain.rs:14:14 | LL | let x: &&i32; | - binding declared here but left uninitialized LL | let _y = &**x; | ^^^^ `**x` used here but it isn't initialized | help: consider assigning a value | LL | let x: &&i32 = todo!(); | +++++++++ error[E0381]: partially assigned binding `a` isn't fully initialized --> $DIR/borrowck-uninit-ref-chain.rs:18:5 | LL | let mut a: S<i32, i32>; | ----- binding declared here but left uninitialized LL | a.x = 0; | ^^^^^^^ `a` partially assigned here but it isn't fully initialized | = help: partial initialization isn't supported, fully initialize the binding with a default value and mutate it, or use `std::mem::MaybeUninit` error[E0381]: partially assigned binding `a` isn't fully initialized --> $DIR/borrowck-uninit-ref-chain.rs:22:5 | LL | let mut a: S<&&i32, &&i32>; | ----- binding declared here but left uninitialized LL | a.x = &&0; | ^^^^^^^^^ `a` partially assigned here but it isn't fully initialized | = help: partial initialization isn't supported, fully initialize the binding with a default value and mutate it, or use `std::mem::MaybeUninit` error[E0381]: partially assigned binding `a` isn't fully initialized --> $DIR/borrowck-uninit-ref-chain.rs:27:5 | LL | let mut a: S<i32, i32>; | ----- binding declared here but left uninitialized LL | a.x = 0; | ^^^^^^^ `a` partially assigned here but it isn't fully initialized | = help: partial initialization isn't supported, fully initialize the binding with a default value and mutate it, or use `std::mem::MaybeUninit` error[E0381]: partially assigned binding `a` isn't fully initialized --> $DIR/borrowck-uninit-ref-chain.rs:31:5 | LL | let mut a: S<&&i32, &&i32>; | ----- binding declared here but left uninitialized LL | a.x = &&0; | ^^^^^^^^^ `a` partially assigned here but it isn't fully initialized | = help: partial initialization isn't supported, fully initialize the binding with a default value and mutate it, or use `std::mem::MaybeUninit` error: aborting due to 7 previous errors For more information about this error, try `rustc --explain E0381`.