diff options
Diffstat (limited to 'src/test/ui/nll')
36 files changed, 121 insertions, 298 deletions
diff --git a/src/test/ui/nll/closure-requirements/escape-argument-callee.stderr b/src/test/ui/nll/closure-requirements/escape-argument-callee.stderr index f86a19fff..59b848ea8 100644 --- a/src/test/ui/nll/closure-requirements/escape-argument-callee.stderr +++ b/src/test/ui/nll/closure-requirements/escape-argument-callee.stderr @@ -22,14 +22,8 @@ LL | let mut closure = expect_sig(|p, y| *p = y); note: no external requirements --> $DIR/escape-argument-callee.rs:20:1 | -LL | / fn test() { -LL | | let x = 44; -LL | | let mut p = &x; -LL | | -... | -LL | | deref(p); -LL | | } - | |_^ +LL | fn test() { + | ^^^^^^^^^ | = note: defining type: test diff --git a/src/test/ui/nll/closure-requirements/escape-argument.stderr b/src/test/ui/nll/closure-requirements/escape-argument.stderr index 8cd8b43ca..ff4e8e590 100644 --- a/src/test/ui/nll/closure-requirements/escape-argument.stderr +++ b/src/test/ui/nll/closure-requirements/escape-argument.stderr @@ -13,14 +13,8 @@ LL | let mut closure = expect_sig(|p, y| *p = y); note: no external requirements --> $DIR/escape-argument.rs:20:1 | -LL | / fn test() { -LL | | let x = 44; -LL | | let mut p = &x; -LL | | -... | -LL | | deref(p); -LL | | } - | |_^ +LL | fn test() { + | ^^^^^^^^^ | = note: defining type: test diff --git a/src/test/ui/nll/closure-requirements/escape-upvar-nested.stderr b/src/test/ui/nll/closure-requirements/escape-upvar-nested.stderr index abf80e039..4fbd5eb19 100644 --- a/src/test/ui/nll/closure-requirements/escape-upvar-nested.stderr +++ b/src/test/ui/nll/closure-requirements/escape-upvar-nested.stderr @@ -29,14 +29,8 @@ LL | let mut closure = || { note: no external requirements --> $DIR/escape-upvar-nested.rs:13:1 | -LL | / fn test() { -LL | | let x = 44; -LL | | let mut p = &x; -LL | | -... | -LL | | deref(p); -LL | | } - | |_^ +LL | fn test() { + | ^^^^^^^^^ | = note: defining type: test diff --git a/src/test/ui/nll/closure-requirements/escape-upvar-ref.stderr b/src/test/ui/nll/closure-requirements/escape-upvar-ref.stderr index bc7546421..bc1ceac5b 100644 --- a/src/test/ui/nll/closure-requirements/escape-upvar-ref.stderr +++ b/src/test/ui/nll/closure-requirements/escape-upvar-ref.stderr @@ -15,14 +15,8 @@ LL | let mut closure = || p = &y; note: no external requirements --> $DIR/escape-upvar-ref.rs:17:1 | -LL | / fn test() { -LL | | let x = 44; -LL | | let mut p = &x; -LL | | -... | -LL | | deref(p); -LL | | } - | |_^ +LL | fn test() { + | ^^^^^^^^^ | = note: defining type: test diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.stderr index b9b0f3ad2..0d94fca28 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-fail-no-postdom.stderr @@ -27,14 +27,8 @@ LL | demand_y(x, y, p) note: no external requirements --> $DIR/propagate-approximated-fail-no-postdom.rs:38:1 | -LL | / fn supply<'a, 'b, 'c>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>, cell_c: Cell<&'c u32>) { -LL | | establish_relationships( -LL | | cell_a, -LL | | cell_b, -... | -LL | | ); -LL | | } - | |_^ +LL | fn supply<'a, 'b, 'c>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>, cell_c: Cell<&'c u32>) { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: supply diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-ref.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-ref.stderr index a2371ee31..435a53533 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-ref.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-ref.stderr @@ -17,14 +17,8 @@ LL | establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y note: no external requirements --> $DIR/propagate-approximated-ref.rs:42:1 | -LL | / fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) { -LL | | establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y| { -LL | | // Only works if 'x: 'y: -LL | | demand_y(x, y, x.get()) -LL | | -LL | | }); -LL | | } - | |_^ +LL | fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: supply diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-comparing-against-free.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-comparing-against-free.stderr index e53ae167f..6aafbe42c 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-comparing-against-free.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-comparing-against-free.stderr @@ -23,14 +23,8 @@ LL | cell_a.set(cell_x.get()); // forces 'x: 'a, error in closure note: no external requirements --> $DIR/propagate-approximated-shorter-to-static-comparing-against-free.rs:18:1 | -LL | / fn case1() { -LL | | let a = 0; -LL | | let cell = Cell::new(&a); -LL | | foo(cell, |cell_a, cell_x| { -... | -LL | | }) -LL | | } - | |_^ +LL | fn case1() { + | ^^^^^^^^^^ | = note: defining type: case1 @@ -51,14 +45,8 @@ LL | foo(cell, |cell_a, cell_x| { note: no external requirements --> $DIR/propagate-approximated-shorter-to-static-comparing-against-free.rs:28:1 | -LL | / fn case2() { -LL | | let a = 0; -LL | | let cell = Cell::new(&a); -LL | | -... | -LL | | }) -LL | | } - | |_^ +LL | fn case2() { + | ^^^^^^^^^^ | = note: defining type: case2 diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-no-bound.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-no-bound.stderr index c3c7eb1bd..c95907ea7 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-no-bound.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-no-bound.stderr @@ -17,14 +17,8 @@ LL | establish_relationships(&cell_a, &cell_b, |_outlives, x, y| { note: no external requirements --> $DIR/propagate-approximated-shorter-to-static-no-bound.rs:31:1 | -LL | / fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) { -LL | | establish_relationships(&cell_a, &cell_b, |_outlives, x, y| { -LL | | -LL | | -... | -LL | | }); -LL | | } - | |_^ +LL | fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: supply @@ -46,7 +40,7 @@ LL | | }); | |______`cell_a` escapes the function body here | argument requires that `'a` must outlive `'static` | - = note: requirement occurs because of the type `Cell<&'_#10r u32>`, which makes the generic argument `&'_#10r u32` invariant + = note: requirement occurs because of the type `Cell<&'_#9r u32>`, which makes the generic argument `&'_#9r u32` invariant = note: the struct `Cell<T>` is invariant over the parameter `T` = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr index 846e5aedb..db58d9d6f 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.stderr @@ -17,14 +17,8 @@ LL | establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y note: no external requirements --> $DIR/propagate-approximated-shorter-to-static-wrong-bound.rs:34:1 | -LL | / fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) { -LL | | establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y| { -LL | | -LL | | -... | -LL | | }); -LL | | } - | |_^ +LL | fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: supply @@ -46,7 +40,7 @@ LL | | }); | |______`cell_a` escapes the function body here | argument requires that `'a` must outlive `'static` | - = note: requirement occurs because of the type `Cell<&'_#11r u32>`, which makes the generic argument `&'_#11r u32` invariant + = note: requirement occurs because of the type `Cell<&'_#10r u32>`, which makes the generic argument `&'_#10r u32` invariant = note: the struct `Cell<T>` is invariant over the parameter `T` = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance diff --git a/src/test/ui/nll/closure-requirements/propagate-approximated-val.stderr b/src/test/ui/nll/closure-requirements/propagate-approximated-val.stderr index a570932ed..be5f1e5ef 100644 --- a/src/test/ui/nll/closure-requirements/propagate-approximated-val.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-approximated-val.stderr @@ -17,14 +17,8 @@ LL | establish_relationships(cell_a, cell_b, |outlives1, outlives2, x, y| { note: no external requirements --> $DIR/propagate-approximated-val.rs:35:1 | -LL | / fn test<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) { -LL | | establish_relationships(cell_a, cell_b, |outlives1, outlives2, x, y| { -LL | | // Only works if 'x: 'y: -LL | | demand_y(outlives1, outlives2, x.get()) -LL | | -LL | | }); -LL | | } - | |_^ +LL | fn test<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: test diff --git a/src/test/ui/nll/closure-requirements/propagate-despite-same-free-region.stderr b/src/test/ui/nll/closure-requirements/propagate-despite-same-free-region.stderr index 407bc6764..d18db97be 100644 --- a/src/test/ui/nll/closure-requirements/propagate-despite-same-free-region.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-despite-same-free-region.stderr @@ -16,14 +16,8 @@ LL | |_outlives1, _outlives2, x, y| { note: no external requirements --> $DIR/propagate-despite-same-free-region.rs:39:1 | -LL | / fn supply<'a>(cell_a: Cell<&'a u32>) { -LL | | establish_relationships( -LL | | cell_a, -LL | | |_outlives1, _outlives2, x, y| { -... | -LL | | ); -LL | | } - | |_^ +LL | fn supply<'a>(cell_a: Cell<&'a u32>) { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: supply diff --git a/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-no-bounds.stderr b/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-no-bounds.stderr index fcb55d37f..e6f88de4e 100644 --- a/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-no-bounds.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-no-bounds.stderr @@ -26,14 +26,8 @@ LL | demand_y(x, y, x.get()) note: no external requirements --> $DIR/propagate-fail-to-approximate-longer-no-bounds.rs:34:1 | -LL | / fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) { -LL | | establish_relationships(&cell_a, &cell_b, |_outlives, x, y| { -LL | | // Only works if 'x: 'y: -LL | | demand_y(x, y, x.get()) -LL | | -LL | | }); -LL | | } - | |_^ +LL | fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: supply diff --git a/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-wrong-bounds.stderr b/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-wrong-bounds.stderr index 75beae39e..5f5fce771 100644 --- a/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-wrong-bounds.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-wrong-bounds.stderr @@ -26,14 +26,8 @@ LL | demand_y(x, y, x.get()) note: no external requirements --> $DIR/propagate-fail-to-approximate-longer-wrong-bounds.rs:38:1 | -LL | / fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) { -LL | | establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y| { -LL | | // Only works if 'x: 'y: -LL | | demand_y(x, y, x.get()) -LL | | -LL | | }); -LL | | } - | |_^ +LL | fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: supply diff --git a/src/test/ui/nll/closure-requirements/propagate-from-trait-match.stderr b/src/test/ui/nll/closure-requirements/propagate-from-trait-match.stderr index 58aced2bf..750b08bbe 100644 --- a/src/test/ui/nll/closure-requirements/propagate-from-trait-match.stderr +++ b/src/test/ui/nll/closure-requirements/propagate-from-trait-match.stderr @@ -18,11 +18,7 @@ note: no external requirements LL | / fn supply<'a, T>(value: T) LL | | where LL | | T: Trait<'a>, -LL | | { -... | -LL | | }); -LL | | } - | |_^ + | |_________________^ | = note: defining type: supply::<'_#1r, T> diff --git a/src/test/ui/nll/closure-requirements/return-wrong-bound-region.stderr b/src/test/ui/nll/closure-requirements/return-wrong-bound-region.stderr index 1c9d0c835..da89071ea 100644 --- a/src/test/ui/nll/closure-requirements/return-wrong-bound-region.stderr +++ b/src/test/ui/nll/closure-requirements/return-wrong-bound-region.stderr @@ -22,11 +22,8 @@ LL | expect_sig(|a, b| b); // ought to return `a` note: no external requirements --> $DIR/return-wrong-bound-region.rs:10:1 | -LL | / fn test() { -LL | | expect_sig(|a, b| b); // ought to return `a` -LL | | -LL | | } - | |_^ +LL | fn test() { + | ^^^^^^^^^ | = note: defining type: test diff --git a/src/test/ui/nll/issue-21232-partial-init-and-use.rs b/src/test/ui/nll/issue-21232-partial-init-and-use.rs index 4cd1e406f..ad3eb2483 100644 --- a/src/test/ui/nll/issue-21232-partial-init-and-use.rs +++ b/src/test/ui/nll/issue-21232-partial-init-and-use.rs @@ -53,7 +53,7 @@ impl<F> R<F> { fn new(f: F) -> Self { R { w: 0, f } } } // * local/field: Is the structure in a local or a field // * fully/partial/void: Are we fully initializing it before using any part? // Is whole type empty due to a void component? -// * init/reinit: First initialization, or did we previously inititalize and then move out? +// * init/reinit: First initialization, or did we previously initialize and then move out? // * struct/tuple: Is this a struct or a (X, Y). // // As a shorthand for the cases above, adding a numeric summary to diff --git a/src/test/ui/nll/issue-51244.stderr b/src/test/ui/nll/issue-51244.stderr index 19f0223a3..dcb6f9fec 100644 --- a/src/test/ui/nll/issue-51244.stderr +++ b/src/test/ui/nll/issue-51244.stderr @@ -2,7 +2,7 @@ error[E0594]: cannot assign to `*my_ref`, which is behind a `&` reference --> $DIR/issue-51244.rs:3:5 | LL | let ref my_ref @ _ = 0; - | -------------- help: consider changing this to be a mutable reference: `ref mut my_ref @ _` + | ---------- help: consider changing this to be a mutable reference: `ref mut my_ref` LL | *my_ref = 0; | ^^^^^^^^^^^ `my_ref` is a `&` reference, so the data it refers to cannot be written diff --git a/src/test/ui/nll/local-outlives-static-via-hrtb.stderr b/src/test/ui/nll/local-outlives-static-via-hrtb.stderr index 61009da49..f5c10f3dd 100644 --- a/src/test/ui/nll/local-outlives-static-via-hrtb.stderr +++ b/src/test/ui/nll/local-outlives-static-via-hrtb.stderr @@ -9,6 +9,12 @@ LL | assert_static_via_hrtb(&local); LL | assert_static_via_hrtb_with_assoc_type(&&local); LL | } | - `local` dropped here while still borrowed + | +note: due to current limitations in the borrow checker, this implies a `'static` lifetime + --> $DIR/local-outlives-static-via-hrtb.rs:15:53 + | +LL | fn assert_static_via_hrtb<G>(_: G) where for<'a> G: Outlives<'a> {} + | ^^^^^^^^^^^^ error[E0597]: `local` does not live long enough --> $DIR/local-outlives-static-via-hrtb.rs:25:45 @@ -20,6 +26,12 @@ LL | assert_static_via_hrtb_with_assoc_type(&&local); | argument requires that `local` is borrowed for `'static` LL | } | - `local` dropped here while still borrowed + | +note: due to current limitations in the borrow checker, this implies a `'static` lifetime + --> $DIR/local-outlives-static-via-hrtb.rs:19:20 + | +LL | for<'a> &'a T: Reference<AssociatedType = &'a ()>, + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/nll/normalization-bounds-error.stderr b/src/test/ui/nll/normalization-bounds-error.stderr index 6da3d5d96..6abe53127 100644 --- a/src/test/ui/nll/normalization-bounds-error.stderr +++ b/src/test/ui/nll/normalization-bounds-error.stderr @@ -1,8 +1,8 @@ error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'d` due to conflicting requirements - --> $DIR/normalization-bounds-error.rs:12:4 + --> $DIR/normalization-bounds-error.rs:12:1 | LL | fn visit_seq<'d, 'a: 'd>() -> <&'a () as Visitor<'d>>::Value {} - | ^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: first, the lifetime cannot outlive the lifetime `'d` as defined here... --> $DIR/normalization-bounds-error.rs:12:14 @@ -15,10 +15,10 @@ note: ...but the lifetime must also be valid for the lifetime `'a` as defined he LL | fn visit_seq<'d, 'a: 'd>() -> <&'a () as Visitor<'d>>::Value {} | ^^ note: ...so that the types are compatible - --> $DIR/normalization-bounds-error.rs:12:4 + --> $DIR/normalization-bounds-error.rs:12:1 | LL | fn visit_seq<'d, 'a: 'd>() -> <&'a () as Visitor<'d>>::Value {} - | ^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: expected `Visitor<'d>` found `Visitor<'_>` diff --git a/src/test/ui/nll/polonius/assignment-kills-loans.rs b/src/test/ui/nll/polonius/assignment-kills-loans.rs index c4cf20389..696bf61ce 100644 --- a/src/test/ui/nll/polonius/assignment-kills-loans.rs +++ b/src/test/ui/nll/polonius/assignment-kills-loans.rs @@ -1,7 +1,7 @@ #![allow(dead_code)] // This tests the various kinds of assignments there are. Polonius used to generate `killed` -// facts only on simple assigments, but not projections, incorrectly causing errors to be emitted +// facts only on simple assignments, but not projections, incorrectly causing errors to be emitted // for code accepted by NLL. They are all variations from example code in the NLL RFC. // check-pass diff --git a/src/test/ui/nll/relate_tys/impl-fn-ignore-binder-via-bottom.rs b/src/test/ui/nll/relate_tys/impl-fn-ignore-binder-via-bottom.rs index c4db6fc97..05e2ea047 100644 --- a/src/test/ui/nll/relate_tys/impl-fn-ignore-binder-via-bottom.rs +++ b/src/test/ui/nll/relate_tys/impl-fn-ignore-binder-via-bottom.rs @@ -30,4 +30,5 @@ fn main() { let _x = <fn(&())>::make_f(); //~^ ERROR implementation of `Y` is not general enough //~| ERROR implementation of `Y` is not general enough + //~| ERROR implementation of `Y` is not general enough } diff --git a/src/test/ui/nll/relate_tys/impl-fn-ignore-binder-via-bottom.stderr b/src/test/ui/nll/relate_tys/impl-fn-ignore-binder-via-bottom.stderr index 51adfca3e..8c4737988 100644 --- a/src/test/ui/nll/relate_tys/impl-fn-ignore-binder-via-bottom.stderr +++ b/src/test/ui/nll/relate_tys/impl-fn-ignore-binder-via-bottom.stderr @@ -16,5 +16,14 @@ LL | let _x = <fn(&())>::make_f(); = note: `Y` would have to be implemented for the type `for<'r> fn(&'r ())` = note: ...but `Y` is actually implemented for the type `fn(&'0 ())`, for some specific lifetime `'0` -error: aborting due to 2 previous errors +error: implementation of `Y` is not general enough + --> $DIR/impl-fn-ignore-binder-via-bottom.rs:30:14 + | +LL | let _x = <fn(&())>::make_f(); + | ^^^^^^^^^^^^^^^^^^^ implementation of `Y` is not general enough + | + = note: `Y` would have to be implemented for the type `for<'r> fn(&'r ())` + = note: ...but `Y` is actually implemented for the type `fn(&'0 ())`, for some specific lifetime `'0` + +error: aborting due to 3 previous errors diff --git a/src/test/ui/nll/ty-outlives/projection-no-regions-closure.stderr b/src/test/ui/nll/ty-outlives/projection-no-regions-closure.stderr index feab24769..ee1f7b64b 100644 --- a/src/test/ui/nll/ty-outlives/projection-no-regions-closure.stderr +++ b/src/test/ui/nll/ty-outlives/projection-no-regions-closure.stderr @@ -18,11 +18,7 @@ note: no external requirements LL | / fn no_region<'a, T>(x: Box<T>) -> Box<dyn Anything + 'a> LL | | where LL | | T: Iterator, -LL | | { -LL | | with_signature(x, |mut y| Box::new(y.next())) -LL | | -LL | | } - | |_^ + | |________________^ | = note: defining type: no_region::<'_#1r, T> @@ -55,10 +51,7 @@ note: no external requirements LL | / fn correct_region<'a, T>(x: Box<T>) -> Box<dyn Anything + 'a> LL | | where LL | | T: 'a + Iterator, -LL | | { -LL | | with_signature(x, |mut y| Box::new(y.next())) -LL | | } - | |_^ + | |_____________________^ | = note: defining type: correct_region::<'_#1r, T> @@ -82,11 +75,7 @@ note: no external requirements LL | / fn wrong_region<'a, 'b, T>(x: Box<T>) -> Box<dyn Anything + 'a> LL | | where LL | | T: 'b + Iterator, -LL | | { -LL | | with_signature(x, |mut y| Box::new(y.next())) -LL | | -LL | | } - | |_^ + | |_____________________^ | = note: defining type: wrong_region::<'_#1r, '_#2r, T> @@ -120,10 +109,7 @@ LL | / fn outlives_region<'a, 'b, T>(x: Box<T>) -> Box<dyn Anything + 'a> LL | | where LL | | T: 'b + Iterator, LL | | 'b: 'a, -LL | | { -LL | | with_signature(x, |mut y| Box::new(y.next())) -LL | | } - | |_^ + | |___________^ | = note: defining type: outlives_region::<'_#1r, '_#2r, T> diff --git a/src/test/ui/nll/ty-outlives/projection-one-region-closure.stderr b/src/test/ui/nll/ty-outlives/projection-one-region-closure.stderr index 98063bd0a..4e57dfad7 100644 --- a/src/test/ui/nll/ty-outlives/projection-one-region-closure.stderr +++ b/src/test/ui/nll/ty-outlives/projection-one-region-closure.stderr @@ -20,11 +20,7 @@ note: no external requirements LL | / fn no_relationships_late<'a, 'b, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b>, -LL | | { -... | -LL | | -LL | | } - | |_^ + | |____________________^ | = note: defining type: no_relationships_late::<'_#1r, T> @@ -74,10 +70,7 @@ LL | / fn no_relationships_early<'a, 'b, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b>, LL | | 'a: 'a, -... | -LL | | -LL | | } - | |_^ + | |___________^ | = note: defining type: no_relationships_early::<'_#1r, '_#2r, T> @@ -126,10 +119,7 @@ LL | / fn projection_outlives<'a, 'b, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b>, LL | | T::AssocType: 'a, -... | -LL | | with_signature(cell, t, |cell, t| require(cell, t)); -LL | | } - | |_^ + | |_____________________^ | = note: defining type: projection_outlives::<'_#1r, '_#2r, T> @@ -155,10 +145,8 @@ LL | / fn elements_outlive<'a, 'b, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b>, LL | | T: 'a, -... | -LL | | with_signature(cell, t, |cell, t| require(cell, t)); -LL | | } - | |_^ +LL | | 'b: 'a, + | |___________^ | = note: defining type: elements_outlive::<'_#1r, '_#2r, T> diff --git a/src/test/ui/nll/ty-outlives/projection-one-region-trait-bound-closure.stderr b/src/test/ui/nll/ty-outlives/projection-one-region-trait-bound-closure.stderr index 45e61bcbd..250c796e2 100644 --- a/src/test/ui/nll/ty-outlives/projection-one-region-trait-bound-closure.stderr +++ b/src/test/ui/nll/ty-outlives/projection-one-region-trait-bound-closure.stderr @@ -19,11 +19,7 @@ note: no external requirements LL | / fn no_relationships_late<'a, 'b, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b>, -LL | | { -LL | | with_signature(cell, t, |cell, t| require(cell, t)); -LL | | -LL | | } - | |_^ + | |____________________^ | = note: defining type: no_relationships_late::<'_#1r, T> @@ -61,10 +57,7 @@ LL | / fn no_relationships_early<'a, 'b, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b>, LL | | 'a: 'a, -... | -LL | | -LL | | } - | |_^ + | |___________^ | = note: defining type: no_relationships_early::<'_#1r, '_#2r, T> @@ -102,10 +95,7 @@ LL | / fn projection_outlives<'a, 'b, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b>, LL | | T::AssocType: 'a, -... | -LL | | with_signature(cell, t, |cell, t| require(cell, t)); -LL | | } - | |_^ + | |_____________________^ | = note: defining type: projection_outlives::<'_#1r, '_#2r, T> @@ -130,10 +120,7 @@ LL | / fn elements_outlive<'a, 'b, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b>, LL | | 'b: 'a, -LL | | { -LL | | with_signature(cell, t, |cell, t| require(cell, t)); -LL | | } - | |_^ + | |___________^ | = note: defining type: elements_outlive::<'_#1r, '_#2r, T> @@ -157,11 +144,7 @@ note: no external requirements LL | / fn one_region<'a, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'a>, -LL | | { -... | -LL | | with_signature(cell, t, |cell, t| require(cell, t)); -LL | | } - | |_^ + | |____________________^ | = note: defining type: one_region::<'_#1r, T> diff --git a/src/test/ui/nll/ty-outlives/projection-one-region-trait-bound-static-closure.stderr b/src/test/ui/nll/ty-outlives/projection-one-region-trait-bound-static-closure.stderr index f2549205b..b27186b05 100644 --- a/src/test/ui/nll/ty-outlives/projection-one-region-trait-bound-static-closure.stderr +++ b/src/test/ui/nll/ty-outlives/projection-one-region-trait-bound-static-closure.stderr @@ -17,10 +17,7 @@ note: no external requirements LL | / fn no_relationships_late<'a, 'b, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b>, -LL | | { -LL | | with_signature(cell, t, |cell, t| require(cell, t)); -LL | | } - | |_^ + | |____________________^ | = note: defining type: no_relationships_late::<'_#1r, T> @@ -43,10 +40,7 @@ LL | / fn no_relationships_early<'a, 'b, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b>, LL | | 'a: 'a, -LL | | { -LL | | with_signature(cell, t, |cell, t| require(cell, t)); -LL | | } - | |_^ + | |___________^ | = note: defining type: no_relationships_early::<'_#1r, '_#2r, T> @@ -69,10 +63,7 @@ LL | / fn projection_outlives<'a, 'b, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b>, LL | | T::AssocType: 'a, -... | -LL | | with_signature(cell, t, |cell, t| require(cell, t)); -LL | | } - | |_^ + | |_____________________^ | = note: defining type: projection_outlives::<'_#1r, '_#2r, T> @@ -95,10 +86,7 @@ LL | / fn elements_outlive<'a, 'b, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'b>, LL | | 'b: 'a, -LL | | { -LL | | with_signature(cell, t, |cell, t| require(cell, t)); -LL | | } - | |_^ + | |___________^ | = note: defining type: elements_outlive::<'_#1r, '_#2r, T> @@ -120,11 +108,7 @@ note: no external requirements LL | / fn one_region<'a, T>(cell: Cell<&'a ()>, t: T) LL | | where LL | | T: Anything<'a>, -LL | | { -... | -LL | | with_signature(cell, t, |cell, t| require(cell, t)); -LL | | } - | |_^ + | |____________________^ | = note: defining type: one_region::<'_#1r, T> diff --git a/src/test/ui/nll/ty-outlives/projection-two-region-trait-bound-closure.stderr b/src/test/ui/nll/ty-outlives/projection-two-region-trait-bound-closure.stderr index 8e1b6fa2e..0195a693e 100644 --- a/src/test/ui/nll/ty-outlives/projection-two-region-trait-bound-closure.stderr +++ b/src/test/ui/nll/ty-outlives/projection-two-region-trait-bound-closure.stderr @@ -19,11 +19,7 @@ note: no external requirements 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: no_relationships_late::<'_#1r, '_#2r, T> @@ -57,10 +53,7 @@ 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: no_relationships_early::<'_#1r, '_#2r, '_#3r, T> @@ -94,10 +87,7 @@ 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: projection_outlives::<'_#1r, '_#2r, '_#3r, T> @@ -122,10 +112,7 @@ 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: elements_outlive1::<'_#1r, '_#2r, '_#3r, T> @@ -150,10 +137,7 @@ 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: elements_outlive2::<'_#1r, '_#2r, '_#3r, T> @@ -178,11 +162,7 @@ note: no external requirements 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: two_regions::<'_#1r, T> @@ -220,10 +200,7 @@ 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: two_regions_outlive::<'_#1r, '_#2r, T> @@ -247,11 +224,7 @@ note: no external requirements 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: one_region::<'_#1r, T> diff --git a/src/test/ui/nll/ty-outlives/ty-param-closure-approximate-lower-bound.stderr b/src/test/ui/nll/ty-outlives/ty-param-closure-approximate-lower-bound.stderr index 12c76d198..5d9a044d1 100644 --- a/src/test/ui/nll/ty-outlives/ty-param-closure-approximate-lower-bound.stderr +++ b/src/test/ui/nll/ty-outlives/ty-param-closure-approximate-lower-bound.stderr @@ -15,11 +15,8 @@ LL | twice(cell, value, |a, b| invoke(a, b)); note: no external requirements --> $DIR/ty-param-closure-approximate-lower-bound.rs:22:1 | -LL | / fn generic<T>(value: T) { -LL | | let cell = Cell::new(&()); -LL | | twice(cell, value, |a, b| invoke(a, b)); -LL | | } - | |_^ +LL | fn generic<T>(value: T) { + | ^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: generic::<T> @@ -41,11 +38,8 @@ LL | twice(cell, value, |a, b| invoke(a, b)); note: no external requirements --> $DIR/ty-param-closure-approximate-lower-bound.rs:28:1 | -LL | / fn generic_fail<'a, T>(cell: Cell<&'a ()>, value: T) { -LL | | twice(cell, value, |a, b| invoke(a, b)); -LL | | -LL | | } - | |_^ +LL | fn generic_fail<'a, T>(cell: Cell<&'a ()>, value: T) { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: generic_fail::<T> diff --git a/src/test/ui/nll/ty-outlives/ty-param-closure-outlives-from-return-type.stderr b/src/test/ui/nll/ty-outlives/ty-param-closure-outlives-from-return-type.stderr index 35741859d..50d9e3aab 100644 --- a/src/test/ui/nll/ty-outlives/ty-param-closure-outlives-from-return-type.stderr +++ b/src/test/ui/nll/ty-outlives/ty-param-closure-outlives-from-return-type.stderr @@ -18,11 +18,7 @@ note: no external requirements LL | / fn no_region<'a, T>(x: Box<T>) -> Box<dyn Debug + 'a> LL | | where LL | | T: Debug, -LL | | { -... | -LL | | -LL | | } - | |_^ + | |_____________^ | = note: defining type: no_region::<'_#1r, T> diff --git a/src/test/ui/nll/ty-outlives/ty-param-closure-outlives-from-where-clause.stderr b/src/test/ui/nll/ty-outlives/ty-param-closure-outlives-from-where-clause.stderr index 0261bc39e..14c55e32a 100644 --- a/src/test/ui/nll/ty-outlives/ty-param-closure-outlives-from-where-clause.stderr +++ b/src/test/ui/nll/ty-outlives/ty-param-closure-outlives-from-where-clause.stderr @@ -16,14 +16,8 @@ LL | with_signature(a, b, |x, y| { note: no external requirements --> $DIR/ty-param-closure-outlives-from-where-clause.rs:26:1 | -LL | / fn no_region<'a, T>(a: Cell<&'a ()>, b: T) { -LL | | with_signature(a, b, |x, y| { -LL | | -LL | | // -... | -LL | | }) -LL | | } - | |_^ +LL | fn no_region<'a, T>(a: Cell<&'a ()>, b: T) { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: defining type: no_region::<T> @@ -65,11 +59,7 @@ note: no external requirements LL | / fn correct_region<'a, T>(a: Cell<&'a ()>, b: T) LL | | where LL | | T: 'a, -LL | | { -... | -LL | | }) -LL | | } - | |_^ + | |__________^ | = note: defining type: correct_region::<'_#1r, T> @@ -94,11 +84,7 @@ note: no external requirements LL | / fn wrong_region<'a, 'b, T>(a: Cell<&'a ()>, b: T) LL | | where LL | | T: 'b, -LL | | { -... | -LL | | }) -LL | | } - | |_^ + | |__________^ | = note: defining type: wrong_region::<'_#1r, T> @@ -139,10 +125,7 @@ LL | / fn outlives_region<'a, 'b, T>(a: Cell<&'a ()>, b: T) LL | | where LL | | T: 'b, LL | | 'b: 'a, -... | -LL | | }) -LL | | } - | |_^ + | |___________^ | = note: defining type: outlives_region::<'_#1r, '_#2r, T> diff --git a/src/test/ui/nll/type-test-universe.stderr b/src/test/ui/nll/type-test-universe.stderr index 242486c36..31e17d64b 100644 --- a/src/test/ui/nll/type-test-universe.stderr +++ b/src/test/ui/nll/type-test-universe.stderr @@ -11,6 +11,12 @@ LL | fn test2<'a>() { | -- lifetime `'a` defined here LL | outlives_forall::<Value<'a>>(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` + | +note: due to current limitations in the borrow checker, this implies a `'static` lifetime + --> $DIR/type-test-universe.rs:6:16 + | +LL | for<'u> T: 'u, + | ^^ error: aborting due to 2 previous errors diff --git a/src/test/ui/nll/user-annotations/adt-nullary-enums.stderr b/src/test/ui/nll/user-annotations/adt-nullary-enums.stderr index ee332278c..3326fa521 100644 --- a/src/test/ui/nll/user-annotations/adt-nullary-enums.stderr +++ b/src/test/ui/nll/user-annotations/adt-nullary-enums.stderr @@ -30,14 +30,15 @@ error[E0597]: `c` does not live long enough | LL | fn annot_reference_named_lifetime_in_closure<'a>(_: &'a u32) { | -- lifetime `'a` defined here -LL | let _closure = || { - | - `c` dropped here while still borrowed ... LL | SomeEnum::SomeVariant(Cell::new(&c)), | ----------^^- | | | | | borrowed value does not live long enough | argument requires that `c` is borrowed for `'a` +... +LL | }; + | - `c` dropped here while still borrowed error: aborting due to 3 previous errors diff --git a/src/test/ui/nll/user-annotations/adt-tuple-struct-calls.stderr b/src/test/ui/nll/user-annotations/adt-tuple-struct-calls.stderr index 95bbd62c4..9664fb9f5 100644 --- a/src/test/ui/nll/user-annotations/adt-tuple-struct-calls.stderr +++ b/src/test/ui/nll/user-annotations/adt-tuple-struct-calls.stderr @@ -28,28 +28,28 @@ error[E0597]: `c` does not live long enough | LL | fn annot_reference_named_lifetime_in_closure<'a>(_: &'a u32) { | -- lifetime `'a` defined here -LL | let _closure = || { - | - `c` dropped here while still borrowed ... LL | f(&c); | --^^- | | | | | borrowed value does not live long enough | argument requires that `c` is borrowed for `'a` +LL | }; + | - `c` dropped here while still borrowed error[E0597]: `c` does not live long enough --> $DIR/adt-tuple-struct-calls.rs:53:11 | LL | let f = SomeStruct::<&'a u32>; | - lifetime `'1` appears in the type of `f` -LL | let _closure = || { - | - `c` dropped here while still borrowed -LL | let c = 66; +... LL | f(&c); | --^^- | | | | | borrowed value does not live long enough | argument requires that `c` is borrowed for `'1` +LL | }; + | - `c` dropped here while still borrowed error: aborting due to 4 previous errors diff --git a/src/test/ui/nll/user-annotations/fns.stderr b/src/test/ui/nll/user-annotations/fns.stderr index bd4d121d5..e0640da39 100644 --- a/src/test/ui/nll/user-annotations/fns.stderr +++ b/src/test/ui/nll/user-annotations/fns.stderr @@ -28,14 +28,14 @@ error[E0597]: `c` does not live long enough | LL | fn annot_reference_named_lifetime_in_closure<'a>(_: &'a u32) { | -- lifetime `'a` defined here -LL | let _closure = || { - | - `c` dropped here while still borrowed -LL | let c = 66; +... LL | some_fn::<&'a u32>(&c); | -------------------^^- | | | | | borrowed value does not live long enough | argument requires that `c` is borrowed for `'a` +LL | }; + | - `c` dropped here while still borrowed error: aborting due to 3 previous errors diff --git a/src/test/ui/nll/user-annotations/method-call.stderr b/src/test/ui/nll/user-annotations/method-call.stderr index fcaeb465d..10447e45a 100644 --- a/src/test/ui/nll/user-annotations/method-call.stderr +++ b/src/test/ui/nll/user-annotations/method-call.stderr @@ -29,14 +29,13 @@ error[E0597]: `c` does not live long enough LL | fn annot_reference_named_lifetime_in_closure<'a>(_: &'a u32) { | -- lifetime `'a` defined here ... -LL | let _closure = || { - | - `c` dropped here while still borrowed -LL | let c = 66; LL | a.method::<&'a u32>(b, &c); | ------------------------^^- | | | | | borrowed value does not live long enough | argument requires that `c` is borrowed for `'a` +LL | }; + | - `c` dropped here while still borrowed error: aborting due to 3 previous errors diff --git a/src/test/ui/nll/user-annotations/method-ufcs-3.stderr b/src/test/ui/nll/user-annotations/method-ufcs-3.stderr index 328dde980..e7851833e 100644 --- a/src/test/ui/nll/user-annotations/method-ufcs-3.stderr +++ b/src/test/ui/nll/user-annotations/method-ufcs-3.stderr @@ -29,14 +29,13 @@ error[E0597]: `c` does not live long enough LL | fn annot_reference_named_lifetime_in_closure<'a>(_: &'a u32) { | -- lifetime `'a` defined here ... -LL | let _closure = || { - | - `c` dropped here while still borrowed -LL | let c = 66; LL | <_ as Bazoom<_>>::method::<&'a u32>(&a, b, &c); | -------------------------------------------^^- | | | | | borrowed value does not live long enough | argument requires that `c` is borrowed for `'a` +LL | }; + | - `c` dropped here while still borrowed error: aborting due to 3 previous errors |