error: lifetime may not live long enough --> $DIR/outlives-suggestion-simple.rs:6:5 | LL | fn foo1<'a, 'b>(x: &'a usize) -> &'b usize { | -- -- lifetime `'b` defined here | | | lifetime `'a` defined here LL | x | ^ returning this value requires that `'a` must outlive `'b` | = help: consider adding the following bound: `'a: 'b` error: lifetime may not live long enough --> $DIR/outlives-suggestion-simple.rs:10:5 | LL | fn foo2<'a>(x: &'a usize) -> &'static usize { | -- lifetime `'a` defined here LL | x | ^ returning this value requires that `'a` must outlive `'static` | = help: consider replacing `'a` with `'static` error: lifetime may not live long enough --> $DIR/outlives-suggestion-simple.rs:14:5 | LL | fn foo3<'a, 'b>(x: &'a usize, y: &'b usize) -> (&'b usize, &'a usize) { | -- -- lifetime `'b` defined here | | | lifetime `'a` defined here LL | (x, y) | ^^^^^^ function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a` | = help: consider adding the following bound: `'a: 'b` error: lifetime may not live long enough --> $DIR/outlives-suggestion-simple.rs:14:5 | LL | fn foo3<'a, 'b>(x: &'a usize, y: &'b usize) -> (&'b usize, &'a usize) { | -- -- lifetime `'b` defined here | | | lifetime `'a` defined here LL | (x, y) | ^^^^^^ function was supposed to return data with lifetime `'a` but it is returning data with lifetime `'b` | = help: consider adding the following bound: `'b: 'a` help: `'a` and `'b` must be the same: replace one with the other error: lifetime may not live long enough --> $DIR/outlives-suggestion-simple.rs:22:5 | LL | fn foo4<'a, 'b, 'c>(x: &'a usize) -> (&'b usize, &'c usize) { | -- -- lifetime `'b` defined here | | | lifetime `'a` defined here ... LL | (x, x) | ^^^^^^ returning this value requires that `'a` must outlive `'b` | = help: consider adding the following bound: `'a: 'b` error: lifetime may not live long enough --> $DIR/outlives-suggestion-simple.rs:22:5 | LL | fn foo4<'a, 'b, 'c>(x: &'a usize) -> (&'b usize, &'c usize) { | -- -- lifetime `'c` defined here | | | lifetime `'a` defined here ... LL | (x, x) | ^^^^^^ returning this value requires that `'a` must outlive `'c` | = help: consider adding the following bound: `'a: 'c` help: add bound `'a: 'b + 'c` error: lifetime may not live long enough --> $DIR/outlives-suggestion-simple.rs:31:9 | LL | pub fn foo<'a>(x: &'a usize) -> Self { | -- lifetime `'a` defined here LL | Foo { x } | ^^^^^^^^^ returning this value requires that `'a` must outlive `'static` | = help: consider replacing `'a` with `'static` error: lifetime may not live long enough --> $DIR/outlives-suggestion-simple.rs:41:9 | LL | impl<'a> Bar<'a> { | -- lifetime `'a` defined here LL | pub fn get<'b>(&self) -> &'b usize { | -- lifetime `'b` defined here LL | self.x | ^^^^^^ returning this value requires that `'a` must outlive `'b` | = help: consider adding the following bound: `'a: 'b` error: lifetime may not live long enough --> $DIR/outlives-suggestion-simple.rs:52:9 | LL | impl<'a> Baz<'a> { | -- lifetime `'a` defined here LL | fn get<'b>(&'b self) -> &'a i32 { | -- lifetime `'b` defined here LL | self.x | ^^^^^^ returning this value requires that `'b` must outlive `'a` | = help: consider adding the following bound: `'b: 'a` error[E0521]: borrowed data escapes outside of associated function --> $DIR/outlives-suggestion-simple.rs:73:9 | LL | fn get_bar(&self) -> Bar2 { | ----- | | | `self` declared here, outside of the associated function body | `self` is a reference that is only valid in the associated function body LL | Bar2::new(&self) | ^^^^^^^^^^^^^^^^ `self` escapes the associated function body here error: aborting due to 10 previous errors For more information about this error, try `rustc --explain E0521`.