note: External requirements --> $DIR/projection-two-region-trait-bound-closure.rs:38:29 | LL | with_signature(cell, t, |cell, t| require(cell, t)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: DefId(0:31 ~ projection_two_region_trait_bound_closure[317d]::no_relationships_late[0]::{{closure}}[0]) with closure substs [ '_#1r, '_#2r, T, i32, extern "rust-call" fn((std::cell::Cell<&'_#3r ()>, T)), ] = note: late-bound region is '_#4r = note: number of external vids: 5 = note: where >::AssocType: '_#3r note: No external requirements --> $DIR/projection-two-region-trait-bound-closure.rs:34:1 | LL | / fn no_relationships_late<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b, 'c>, LL | | { LL | | with_signature(cell, t, |cell, t| require(cell, t)); LL | | LL | | } | |_^ | = note: defining type: DefId(0:26 ~ projection_two_region_trait_bound_closure[317d]::no_relationships_late[0]) with substs [ '_#1r, '_#2r, T, ] error[E0309]: the associated type `>::AssocType` may not live long enough --> $DIR/projection-two-region-trait-bound-closure.rs:38:29 | LL | with_signature(cell, t, |cell, t| require(cell, t)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider adding an explicit lifetime bound `>::AssocType: ReFree(DefId(0:26 ~ projection_two_region_trait_bound_closure[317d]::no_relationships_late[0]), BrNamed(crate0:DefIndex(27), 'a))`... note: External requirements --> $DIR/projection-two-region-trait-bound-closure.rs:48:29 | LL | with_signature(cell, t, |cell, t| require(cell, t)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: DefId(0:37 ~ projection_two_region_trait_bound_closure[317d]::no_relationships_early[0]::{{closure}}[0]) with closure substs [ '_#1r, '_#2r, '_#3r, T, i32, extern "rust-call" fn((std::cell::Cell<&'_#4r ()>, T)), ] = note: number of external vids: 5 = note: where >::AssocType: '_#4r note: No external requirements --> $DIR/projection-two-region-trait-bound-closure.rs:43:1 | LL | / fn no_relationships_early<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b, 'c>, LL | | 'a: 'a, ... | LL | | LL | | } | |_^ | = note: defining type: DefId(0:32 ~ projection_two_region_trait_bound_closure[317d]::no_relationships_early[0]) with substs [ '_#1r, '_#2r, '_#3r, T, ] error[E0309]: the associated type `>::AssocType` may not live long enough --> $DIR/projection-two-region-trait-bound-closure.rs:48:29 | LL | with_signature(cell, t, |cell, t| require(cell, t)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider adding an explicit lifetime bound `>::AssocType: ReEarlyBound(0, 'a)`... note: External requirements --> $DIR/projection-two-region-trait-bound-closure.rs:61:29 | LL | with_signature(cell, t, |cell, t| require(cell, t)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: DefId(0:43 ~ projection_two_region_trait_bound_closure[317d]::projection_outlives[0]::{{closure}}[0]) with closure substs [ '_#1r, '_#2r, '_#3r, T, i32, extern "rust-call" fn((std::cell::Cell<&'_#4r ()>, T)), ] = note: number of external vids: 5 = note: where >::AssocType: '_#4r note: No external requirements --> $DIR/projection-two-region-trait-bound-closure.rs:53:1 | LL | / fn projection_outlives<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b, 'c>, LL | | T::AssocType: 'a, ... | LL | | with_signature(cell, t, |cell, t| require(cell, t)); LL | | } | |_^ | = note: defining type: DefId(0:38 ~ projection_two_region_trait_bound_closure[317d]::projection_outlives[0]) with substs [ '_#1r, '_#2r, '_#3r, T, ] note: External requirements --> $DIR/projection-two-region-trait-bound-closure.rs:70:29 | LL | with_signature(cell, t, |cell, t| require(cell, t)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: DefId(0:49 ~ projection_two_region_trait_bound_closure[317d]::elements_outlive1[0]::{{closure}}[0]) with closure substs [ '_#1r, '_#2r, '_#3r, T, i32, extern "rust-call" fn((std::cell::Cell<&'_#4r ()>, T)), ] = note: number of external vids: 5 = note: where >::AssocType: '_#4r note: No external requirements --> $DIR/projection-two-region-trait-bound-closure.rs:65:1 | LL | / fn elements_outlive1<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b, 'c>, LL | | 'b: 'a, LL | | { LL | | with_signature(cell, t, |cell, t| require(cell, t)); LL | | } | |_^ | = note: defining type: DefId(0:44 ~ projection_two_region_trait_bound_closure[317d]::elements_outlive1[0]) with substs [ '_#1r, '_#2r, '_#3r, T, ] note: External requirements --> $DIR/projection-two-region-trait-bound-closure.rs:79:29 | LL | with_signature(cell, t, |cell, t| require(cell, t)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: DefId(0:55 ~ projection_two_region_trait_bound_closure[317d]::elements_outlive2[0]::{{closure}}[0]) with closure substs [ '_#1r, '_#2r, '_#3r, T, i32, extern "rust-call" fn((std::cell::Cell<&'_#4r ()>, T)), ] = note: number of external vids: 5 = note: where >::AssocType: '_#4r note: No external requirements --> $DIR/projection-two-region-trait-bound-closure.rs:74:1 | LL | / fn elements_outlive2<'a, 'b, 'c, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b, 'c>, LL | | 'c: 'a, LL | | { LL | | with_signature(cell, t, |cell, t| require(cell, t)); LL | | } | |_^ | = note: defining type: DefId(0:50 ~ projection_two_region_trait_bound_closure[317d]::elements_outlive2[0]) with substs [ '_#1r, '_#2r, '_#3r, T, ] note: External requirements --> $DIR/projection-two-region-trait-bound-closure.rs:87:29 | LL | with_signature(cell, t, |cell, t| require(cell, t)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: DefId(0:60 ~ projection_two_region_trait_bound_closure[317d]::two_regions[0]::{{closure}}[0]) with closure substs [ '_#1r, T, i32, extern "rust-call" fn((std::cell::Cell<&'_#2r ()>, T)), ] = note: late-bound region is '_#3r = note: number of external vids: 4 = note: where >::AssocType: '_#2r note: No external requirements --> $DIR/projection-two-region-trait-bound-closure.rs:83:1 | LL | / fn two_regions<'a, 'b, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b, 'b>, LL | | { LL | | with_signature(cell, t, |cell, t| require(cell, t)); LL | | LL | | } | |_^ | = note: defining type: DefId(0:56 ~ projection_two_region_trait_bound_closure[317d]::two_regions[0]) with substs [ '_#1r, T, ] error: lifetime may not live long enough --> $DIR/projection-two-region-trait-bound-closure.rs:87:29 | LL | fn two_regions<'a, 'b, T>(cell: Cell<&'a ()>, t: T) | -- -- lifetime `'b` defined here | | | lifetime `'a` defined here ... LL | with_signature(cell, t, |cell, t| require(cell, t)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ closure body requires that `'b` must outlive `'a` help: the following changes may resolve your lifetime errors | = help: add bound `'b: 'a` note: External requirements --> $DIR/projection-two-region-trait-bound-closure.rs:97:29 | LL | with_signature(cell, t, |cell, t| require(cell, t)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: DefId(0:65 ~ projection_two_region_trait_bound_closure[317d]::two_regions_outlive[0]::{{closure}}[0]) with closure substs [ '_#1r, '_#2r, T, i32, extern "rust-call" fn((std::cell::Cell<&'_#3r ()>, T)), ] = note: number of external vids: 4 = note: where >::AssocType: '_#3r note: No external requirements --> $DIR/projection-two-region-trait-bound-closure.rs:92:1 | LL | / fn two_regions_outlive<'a, 'b, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b, 'b>, LL | | 'b: 'a, LL | | { LL | | with_signature(cell, t, |cell, t| require(cell, t)); LL | | } | |_^ | = note: defining type: DefId(0:61 ~ projection_two_region_trait_bound_closure[317d]::two_regions_outlive[0]) with substs [ '_#1r, '_#2r, T, ] note: External requirements --> $DIR/projection-two-region-trait-bound-closure.rs:109:29 | LL | with_signature(cell, t, |cell, t| require(cell, t)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: DefId(0:69 ~ projection_two_region_trait_bound_closure[317d]::one_region[0]::{{closure}}[0]) with closure substs [ '_#1r, T, i32, extern "rust-call" fn((std::cell::Cell<&'_#2r ()>, T)), ] = note: number of external vids: 3 = note: where >::AssocType: '_#2r note: No external requirements --> $DIR/projection-two-region-trait-bound-closure.rs:101:1 | LL | / fn one_region<'a, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'a, 'a>, LL | | { ... | LL | | with_signature(cell, t, |cell, t| require(cell, t)); LL | | } | |_^ | = note: defining type: DefId(0:66 ~ projection_two_region_trait_bound_closure[317d]::one_region[0]) with substs [ '_#1r, T, ] error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0309`.