error[E0597]: `o2` does not live long enough --> $DIR/dropck_trait_cycle_checked.rs:111:13 | LL | let (o1, o2, o3): (Box, Box, Box) = (O::new(), O::new(), O::new()); | -- binding `o2` declared here -------- cast requires that `o2` is borrowed for `'static` LL | o1.set0(&o2); | ^^^ borrowed value does not live long enough ... LL | } | - `o2` dropped here while still borrowed | = note: due to object lifetime defaults, `Box>` actually means `Box<(dyn Obj<'_> + 'static)>` error[E0597]: `o3` does not live long enough --> $DIR/dropck_trait_cycle_checked.rs:112:13 | LL | let (o1, o2, o3): (Box, Box, Box) = (O::new(), O::new(), O::new()); | -- binding `o3` declared here -------- cast requires that `o3` is borrowed for `'static` LL | o1.set0(&o2); LL | o1.set1(&o3); | ^^^ borrowed value does not live long enough ... LL | } | - `o3` dropped here while still borrowed | = note: due to object lifetime defaults, `Box>` actually means `Box<(dyn Obj<'_> + 'static)>` error[E0597]: `o2` does not live long enough --> $DIR/dropck_trait_cycle_checked.rs:113:13 | LL | let (o1, o2, o3): (Box, Box, Box) = (O::new(), O::new(), O::new()); | -- binding `o2` declared here -------- cast requires that `o2` is borrowed for `'static` ... LL | o2.set0(&o2); | ^^^ borrowed value does not live long enough ... LL | } | - `o2` dropped here while still borrowed | = note: due to object lifetime defaults, `Box>` actually means `Box<(dyn Obj<'_> + 'static)>` error[E0597]: `o3` does not live long enough --> $DIR/dropck_trait_cycle_checked.rs:114:13 | LL | let (o1, o2, o3): (Box, Box, Box) = (O::new(), O::new(), O::new()); | -- binding `o3` declared here -------- cast requires that `o3` is borrowed for `'static` ... LL | o2.set1(&o3); | ^^^ borrowed value does not live long enough ... LL | } | - `o3` dropped here while still borrowed | = note: due to object lifetime defaults, `Box>` actually means `Box<(dyn Obj<'_> + 'static)>` error[E0597]: `o1` does not live long enough --> $DIR/dropck_trait_cycle_checked.rs:115:13 | LL | let (o1, o2, o3): (Box, Box, Box) = (O::new(), O::new(), O::new()); | -- binding `o1` declared here -------- cast requires that `o1` is borrowed for `'static` ... LL | o3.set0(&o1); | ^^^ borrowed value does not live long enough LL | o3.set1(&o2); LL | } | - `o1` dropped here while still borrowed | = note: due to object lifetime defaults, `Box>` actually means `Box<(dyn Obj<'_> + 'static)>` error[E0597]: `o2` does not live long enough --> $DIR/dropck_trait_cycle_checked.rs:116:13 | LL | let (o1, o2, o3): (Box, Box, Box) = (O::new(), O::new(), O::new()); | -- binding `o2` declared here -------- cast requires that `o2` is borrowed for `'static` ... LL | o3.set1(&o2); | ^^^ borrowed value does not live long enough LL | } | - `o2` dropped here while still borrowed | = note: due to object lifetime defaults, `Box>` actually means `Box<(dyn Obj<'_> + 'static)>` error: aborting due to 6 previous errors For more information about this error, try `rustc --explain E0597`.