error[E0381]: partially assigned binding `t` isn't fully initialized --> $DIR/disallow-possibly-uninitialized.rs:6:5 | LL | let mut t: (u64, u64); | ----- binding declared here but left uninitialized LL | t.0 = 1; | ^^^^^^^ `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/disallow-possibly-uninitialized.rs:11:5 | LL | let mut t: (u64, u64); | ----- binding declared here but left uninitialized LL | t.1 = 1; | ^^^^^^^ `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/disallow-possibly-uninitialized.rs:16:5 | LL | let mut t: (u64, u64); | ----- binding declared here but left uninitialized LL | t.0 = 1; | ^^^^^^^ `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/disallow-possibly-uninitialized.rs:20:5 | LL | let mut t: (u64,); | ----- binding declared here but left uninitialized LL | t.0 = 1; | ^^^^^^^ `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 4 previous errors For more information about this error, try `rustc --explain E0381`.