error[E0381]: partially assigned binding `t` isn't fully initialized --> $DIR/partial-initialization-across-await.rs:13:5 | LL | let mut t: (i32, i32); | ----- binding declared here but left uninitialized LL | t.0 = 42; | ^^^^^^^^ `t` 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 `t` isn't fully initialized --> $DIR/partial-initialization-across-await.rs:21:5 | LL | let mut t: T; | ----- binding declared here but left uninitialized LL | t.0 = 42; | ^^^^^^^^ `t` 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 `t` isn't fully initialized --> $DIR/partial-initialization-across-await.rs:29:5 | LL | let mut t: S; | ----- binding declared here but left uninitialized LL | t.x = 42; | ^^^^^^^^ `t` 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 3 previous errors For more information about this error, try `rustc --explain E0381`.