error[E0503]: cannot use `x` because it was mutably borrowed --> $DIR/regions-escape-loop-via-vec.rs:5:11 | LL | let mut _y = vec![&mut x]; | ------ `x` is borrowed here LL | while x < 10 { | ^ use of borrowed `x` LL | let mut z = x; LL | _y.push(&mut z); | -- borrow later used here error[E0503]: cannot use `x` because it was mutably borrowed --> $DIR/regions-escape-loop-via-vec.rs:6:21 | LL | let mut _y = vec![&mut x]; | ------ `x` is borrowed here LL | while x < 10 { LL | let mut z = x; | ^ use of borrowed `x` LL | _y.push(&mut z); | -- borrow later used here error[E0597]: `z` does not live long enough --> $DIR/regions-escape-loop-via-vec.rs:7:17 | LL | let mut z = x; | ----- binding `z` declared here LL | _y.push(&mut z); | -- ^^^^^^ borrowed value does not live long enough | | | borrow later used here ... LL | } | - `z` dropped here while still borrowed error[E0503]: cannot use `x` because it was mutably borrowed --> $DIR/regions-escape-loop-via-vec.rs:9:9 | LL | let mut _y = vec![&mut x]; | ------ `x` is borrowed here ... LL | _y.push(&mut z); | -- borrow later used here LL | LL | x += 1; | ^^^^^^ use of borrowed `x` error: aborting due to 4 previous errors Some errors have detailed explanations: E0503, E0597. For more information about an error, try `rustc --explain E0503`.