warning: not reporting region error due to -Znll --> $DIR/ty-param-closure-outlives-from-where-clause.rs:45:9 | 45 | require(&x, &y) | ^^^^^^^ warning: not reporting region error due to -Znll --> $DIR/ty-param-closure-outlives-from-where-clause.rs:79:9 | 79 | require(&x, &y) | ^^^^^^^ note: External requirements --> $DIR/ty-param-closure-outlives-from-where-clause.rs:38:26 | 38 | with_signature(a, b, |x, y| { | __________________________^ 39 | | //~^ ERROR the parameter type `T` may not live long enough 40 | | // 41 | | // See `correct_region`, which explains the point of this ... | 46 | | //~^ WARNING not reporting region error due to -Znll 47 | | }) | |_____^ | = note: defining type: DefId(0/1:16 ~ ty_param_closure_outlives_from_where_clause[317d]::no_region[0]::{{closure}}[0]) with closure substs [ T, i32, extern "rust-call" fn((std::cell::Cell<&'_#1r ()>, T)) ] = note: number of external vids: 2 = note: where T: '_#1r error[E0309]: the parameter type `T` may not live long enough --> $DIR/ty-param-closure-outlives-from-where-clause.rs:38:26 | 38 | with_signature(a, b, |x, y| { | __________________________^ 39 | | //~^ ERROR the parameter type `T` may not live long enough 40 | | // 41 | | // See `correct_region`, which explains the point of this ... | 46 | | //~^ WARNING not reporting region error due to -Znll 47 | | }) | |_____^ | = help: consider adding an explicit lifetime bound `T: ReFree(DefId(0/0:6 ~ ty_param_closure_outlives_from_where_clause[317d]::no_region[0]), BrNamed(crate0:DefIndex(1:14), 'a))`... note: No external requirements --> $DIR/ty-param-closure-outlives-from-where-clause.rs:37:1 | 37 | / fn no_region<'a, T>(a: Cell<&'a ()>, b: T) { 38 | | with_signature(a, b, |x, y| { 39 | | //~^ ERROR the parameter type `T` may not live long enough 40 | | // ... | 47 | | }) 48 | | } | |_^ | = note: defining type: DefId(0/0:6 ~ ty_param_closure_outlives_from_where_clause[317d]::no_region[0]) with substs [ T ] note: External requirements --> $DIR/ty-param-closure-outlives-from-where-clause.rs:55:26 | 55 | with_signature(a, b, |x, y| { | __________________________^ 56 | | // Key point of this test: 57 | | // 58 | | // The *closure* is being type-checked with all of its free ... | 67 | | require(&x, &y) 68 | | }) | |_____^ | = note: defining type: DefId(0/1:19 ~ ty_param_closure_outlives_from_where_clause[317d]::correct_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 T: '_#2r note: No external requirements --> $DIR/ty-param-closure-outlives-from-where-clause.rs:51:1 | 51 | / fn correct_region<'a, T>(a: Cell<&'a ()>, b: T) 52 | | where 53 | | T: 'a, 54 | | { ... | 68 | | }) 69 | | } | |_^ | = note: defining type: DefId(0/0:7 ~ ty_param_closure_outlives_from_where_clause[317d]::correct_region[0]) with substs [ '_#1r, T ] note: External requirements --> $DIR/ty-param-closure-outlives-from-where-clause.rs:76:26 | 76 | with_signature(a, b, |x, y| { | __________________________^ 77 | | //~^ ERROR the parameter type `T` may not live long enough 78 | | // See `correct_region` 79 | | require(&x, &y) 80 | | //~^ WARNING not reporting region error due to -Znll 81 | | }) | |_____^ | = note: defining type: DefId(0/1:23 ~ ty_param_closure_outlives_from_where_clause[317d]::wrong_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 T: '_#2r error[E0309]: the parameter type `T` may not live long enough --> $DIR/ty-param-closure-outlives-from-where-clause.rs:76:26 | 76 | with_signature(a, b, |x, y| { | __________________________^ 77 | | //~^ ERROR the parameter type `T` may not live long enough 78 | | // See `correct_region` 79 | | require(&x, &y) 80 | | //~^ WARNING not reporting region error due to -Znll 81 | | }) | |_____^ | = help: consider adding an explicit lifetime bound `T: ReFree(DefId(0/0:8 ~ ty_param_closure_outlives_from_where_clause[317d]::wrong_region[0]), BrNamed(crate0:DefIndex(1:20), 'a))`... note: No external requirements --> $DIR/ty-param-closure-outlives-from-where-clause.rs:72:1 | 72 | / fn wrong_region<'a, 'b, T>(a: Cell<&'a ()>, b: T) 73 | | where 74 | | T: 'b, 75 | | { ... | 81 | | }) 82 | | } | |_^ | = note: defining type: DefId(0/0:8 ~ ty_param_closure_outlives_from_where_clause[317d]::wrong_region[0]) with substs [ '_#1r, T ] note: External requirements --> $DIR/ty-param-closure-outlives-from-where-clause.rs:90:26 | 90 | with_signature(a, b, |x, y| { | __________________________^ 91 | | // See `correct_region` 92 | | require(&x, &y) 93 | | }) | |_____^ | = note: defining type: DefId(0/1:27 ~ ty_param_closure_outlives_from_where_clause[317d]::outlives_region[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 T: '_#3r note: No external requirements --> $DIR/ty-param-closure-outlives-from-where-clause.rs:85:1 | 85 | / fn outlives_region<'a, 'b, T>(a: Cell<&'a ()>, b: T) 86 | | where 87 | | T: 'b, 88 | | 'b: 'a, ... | 93 | | }) 94 | | } | |_^ | = note: defining type: DefId(0/0:9 ~ ty_param_closure_outlives_from_where_clause[317d]::outlives_region[0]) with substs [ '_#1r, '_#2r, T ] error: aborting due to 2 previous errors If you want more information on this error, try using "rustc --explain E0309"