diff --git a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs index c0c90e47a7539..e977767e02409 100644 --- a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs +++ b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs @@ -18,6 +18,7 @@ use rustc_middle::bug; use rustc_middle::hir::nested_filter; use rustc_middle::middle::resolve_bound_vars::*; use rustc_middle::ty::{self, ir::TypeVisitor, DefIdTree, TyCtxt, TypeSuperVisitable}; +use rustc_session::lint; use rustc_span::def_id::DefId; use rustc_span::symbol::{sym, Ident}; use rustc_span::Span; @@ -923,17 +924,16 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { origin, .. }) => { - let (bound_vars, binders): (FxIndexMap, Vec<_>) = bound_generic_params - .iter() - .enumerate() - .map(|(late_bound_idx, param)| { - let pair = ResolvedArg::late(late_bound_idx as u32, param); - let r = late_arg_as_bound_arg(this.tcx, &pair.1, param); - (pair, r) - }) - .unzip(); + .iter() + .enumerate() + .map(|(late_bound_idx, param)| { + let pair = ResolvedArg::late(late_bound_idx as u32, param); + let r = late_arg_as_bound_arg(this.tcx, &pair.1, param); + (pair, r) + }) + .unzip(); this.record_late_bound_vars(hir_id, binders.clone()); // Even if there are no lifetimes defined here, we still wrap it in a binder // scope. If there happens to be a nested poly trait ref (an error), that @@ -968,20 +968,22 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { continue; } this.insert_lifetime(lt, ResolvedArg::StaticLifetime); - this.tcx - .sess - .struct_span_warn( - lifetime.ident.span, - &format!( - "unnecessary lifetime parameter `{}`", + this.tcx.struct_span_lint_hir( + lint::builtin::UNUSED_LIFETIMES, + lifetime.hir_id, + lifetime.ident.span, + format!( + "unnecessary lifetime parameter `{}`", + lifetime.ident + ), + |lint| { + let help = &format!( + "you can use the `'static` lifetime directly, in place of `{}`", lifetime.ident, - ), - ) - .help(&format!( - "you can use the `'static` lifetime directly, in place of `{}`", - lifetime.ident, - )) - .emit(); + ); + lint.help(help) + }, + ); } } } diff --git a/tests/ui/generic-associated-types/method-unsatified-assoc-type-predicate.rs b/tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.rs similarity index 100% rename from tests/ui/generic-associated-types/method-unsatified-assoc-type-predicate.rs rename to tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.rs diff --git a/tests/ui/generic-associated-types/method-unsatified-assoc-type-predicate.stderr b/tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.stderr similarity index 85% rename from tests/ui/generic-associated-types/method-unsatified-assoc-type-predicate.stderr rename to tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.stderr index baef38f6b8046..4246f8c069d4b 100644 --- a/tests/ui/generic-associated-types/method-unsatified-assoc-type-predicate.stderr +++ b/tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.stderr @@ -1,5 +1,5 @@ error[E0599]: the method `f` exists for struct `S`, but its trait bounds were not satisfied - --> $DIR/method-unsatified-assoc-type-predicate.rs:28:7 + --> $DIR/method-unsatisfied-assoc-type-predicate.rs:28:7 | LL | struct S; | -------- @@ -12,7 +12,7 @@ LL | a.f(); | ^ method cannot be called on `S` due to unsatisfied trait bounds | note: trait bound `::Y = i32` was not satisfied - --> $DIR/method-unsatified-assoc-type-predicate.rs:12:11 + --> $DIR/method-unsatisfied-assoc-type-predicate.rs:12:11 | LL | impl = i32>> M for T {} | ^^^^^^^^^^^^ - - diff --git a/tests/ui/generic-associated-types/unsatified-item-lifetime-bound.rs b/tests/ui/generic-associated-types/unsatisfied-item-lifetime-bound.rs similarity index 94% rename from tests/ui/generic-associated-types/unsatified-item-lifetime-bound.rs rename to tests/ui/generic-associated-types/unsatisfied-item-lifetime-bound.rs index 1cc09aa6dd4ca..060ee8821d8da 100644 --- a/tests/ui/generic-associated-types/unsatified-item-lifetime-bound.rs +++ b/tests/ui/generic-associated-types/unsatisfied-item-lifetime-bound.rs @@ -1,3 +1,5 @@ +#![warn(unused_lifetimes)] + pub trait X { type Y<'a: 'static>; //~^ WARNING unnecessary lifetime parameter diff --git a/tests/ui/generic-associated-types/unsatified-item-lifetime-bound.stderr b/tests/ui/generic-associated-types/unsatisfied-item-lifetime-bound.stderr similarity index 70% rename from tests/ui/generic-associated-types/unsatified-item-lifetime-bound.stderr rename to tests/ui/generic-associated-types/unsatisfied-item-lifetime-bound.stderr index fbd79879d0fb1..a69cd0028c1f1 100644 --- a/tests/ui/generic-associated-types/unsatified-item-lifetime-bound.stderr +++ b/tests/ui/generic-associated-types/unsatisfied-item-lifetime-bound.stderr @@ -1,45 +1,50 @@ warning: unnecessary lifetime parameter `'a` - --> $DIR/unsatified-item-lifetime-bound.rs:2:12 + --> $DIR/unsatisfied-item-lifetime-bound.rs:4:12 | LL | type Y<'a: 'static>; | ^^ | = help: you can use the `'static` lifetime directly, in place of `'a` +note: the lint level is defined here + --> $DIR/unsatisfied-item-lifetime-bound.rs:1:9 + | +LL | #![warn(unused_lifetimes)] + | ^^^^^^^^^^^^^^^^ error[E0478]: lifetime bound not satisfied - --> $DIR/unsatified-item-lifetime-bound.rs:11:8 + --> $DIR/unsatisfied-item-lifetime-bound.rs:13:8 | LL | f: ::Y<'a>, | ^^^^^^^^^^^^^^^ | note: lifetime parameter instantiated with the lifetime `'a` as defined here - --> $DIR/unsatified-item-lifetime-bound.rs:10:10 + --> $DIR/unsatisfied-item-lifetime-bound.rs:12:10 | LL | struct B<'a, T: for<'r> X = &'r ()>> { | ^^ = note: but lifetime parameter must outlive the static lifetime error[E0478]: lifetime bound not satisfied - --> $DIR/unsatified-item-lifetime-bound.rs:16:8 + --> $DIR/unsatisfied-item-lifetime-bound.rs:18:8 | LL | f: ::Y<'a>, | ^^^^^^^^^^^^^^^ | note: lifetime parameter instantiated with the lifetime `'a` as defined here - --> $DIR/unsatified-item-lifetime-bound.rs:15:10 + --> $DIR/unsatisfied-item-lifetime-bound.rs:17:10 | LL | struct C<'a, T: X> { | ^^ = note: but lifetime parameter must outlive the static lifetime error[E0478]: lifetime bound not satisfied - --> $DIR/unsatified-item-lifetime-bound.rs:21:8 + --> $DIR/unsatisfied-item-lifetime-bound.rs:23:8 | LL | f: <() as X>::Y<'a>, | ^^^^^^^^^^^^^^^^ | note: lifetime parameter instantiated with the lifetime `'a` as defined here - --> $DIR/unsatified-item-lifetime-bound.rs:20:10 + --> $DIR/unsatisfied-item-lifetime-bound.rs:22:10 | LL | struct D<'a> { | ^^ diff --git a/tests/ui/impl-trait/equal-hidden-lifetimes.rs b/tests/ui/impl-trait/equal-hidden-lifetimes.rs index 79db88828b9af..a6dbf3f08f2a8 100644 --- a/tests/ui/impl-trait/equal-hidden-lifetimes.rs +++ b/tests/ui/impl-trait/equal-hidden-lifetimes.rs @@ -5,7 +5,6 @@ // `'a == 'static` so `&'a i32` is fine as the return type fn equal_regions_static<'a: 'static>(x: &'a i32) -> impl Sized { - //~^ WARNING unnecessary lifetime parameter `'a` x } diff --git a/tests/ui/impl-trait/equal-hidden-lifetimes.stderr b/tests/ui/impl-trait/equal-hidden-lifetimes.stderr deleted file mode 100644 index 3e48aef553b16..0000000000000 --- a/tests/ui/impl-trait/equal-hidden-lifetimes.stderr +++ /dev/null @@ -1,10 +0,0 @@ -warning: unnecessary lifetime parameter `'a` - --> $DIR/equal-hidden-lifetimes.rs:7:25 - | -LL | fn equal_regions_static<'a: 'static>(x: &'a i32) -> impl Sized { - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - -warning: 1 warning emitted - diff --git a/tests/ui/issues/issue-30438-c.rs b/tests/ui/issues/issue-30438-c.rs index 4cf634245be1b..813c1d3e2cccd 100644 --- a/tests/ui/issues/issue-30438-c.rs +++ b/tests/ui/issues/issue-30438-c.rs @@ -5,7 +5,6 @@ trait Trait { type Out; } struct Test<'a> { s: &'a str } fn silly<'y, 'z>(_s: &'y Test<'z>) -> &'y as Trait>::Out where 'z: 'static { - //~^ WARN unnecessary lifetime parameter `'z` let x = Test { s: "this cannot last" }; &x //~^ ERROR: cannot return reference to local variable `x` diff --git a/tests/ui/issues/issue-30438-c.stderr b/tests/ui/issues/issue-30438-c.stderr index a7a5c0500fd23..7c001088097ab 100644 --- a/tests/ui/issues/issue-30438-c.stderr +++ b/tests/ui/issues/issue-30438-c.stderr @@ -1,17 +1,9 @@ -warning: unnecessary lifetime parameter `'z` - --> $DIR/issue-30438-c.rs:7:74 - | -LL | fn silly<'y, 'z>(_s: &'y Test<'z>) -> &'y as Trait>::Out where 'z: 'static { - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'z` - error[E0515]: cannot return reference to local variable `x` - --> $DIR/issue-30438-c.rs:10:5 + --> $DIR/issue-30438-c.rs:9:5 | LL | &x | ^^ returns a reference to data owned by the current function -error: aborting due to previous error; 1 warning emitted +error: aborting due to previous error For more information about this error, try `rustc --explain E0515`. diff --git a/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.rs b/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.rs index 7c2e1aeeea619..46462c432a8c7 100644 --- a/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.rs +++ b/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.rs @@ -8,6 +8,8 @@ // // 'a : 'b +#![warn(unused_lifetimes)] + fn test<'a,'b>(x: &'a i32) -> &'b i32 where 'a: 'static //~ WARN unnecessary lifetime parameter `'a` { diff --git a/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.stderr b/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.stderr index 70ed418d5cbbb..9f03a6553ba83 100644 --- a/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.stderr +++ b/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.stderr @@ -1,10 +1,15 @@ warning: unnecessary lifetime parameter `'a` - --> $DIR/regions-free-region-outlives-static-outlives-free-region.rs:12:11 + --> $DIR/regions-free-region-outlives-static-outlives-free-region.rs:14:11 | LL | where 'a: 'static | ^^ | = help: you can use the `'static` lifetime directly, in place of `'a` +note: the lint level is defined here + --> $DIR/regions-free-region-outlives-static-outlives-free-region.rs:11:9 + | +LL | #![warn(unused_lifetimes)] + | ^^^^^^^^^^^^^^^^ warning: 1 warning emitted diff --git a/tests/ui/regions/regions-static-bound-rpass.rs b/tests/ui/regions/regions-static-bound-rpass.rs index 25232b455b687..e2ebb394d0ad2 100644 --- a/tests/ui/regions/regions-static-bound-rpass.rs +++ b/tests/ui/regions/regions-static-bound-rpass.rs @@ -1,5 +1,7 @@ // run-pass +#![warn(unused_lifetimes)] + fn invariant_id<'a,'b>(t: &'b mut &'static ()) -> &'b mut &'a () where 'a: 'static { t } //~^ WARN unnecessary lifetime parameter `'a` diff --git a/tests/ui/regions/regions-static-bound-rpass.stderr b/tests/ui/regions/regions-static-bound-rpass.stderr index 9355a409d5099..f0f3a4c5261aa 100644 --- a/tests/ui/regions/regions-static-bound-rpass.stderr +++ b/tests/ui/regions/regions-static-bound-rpass.stderr @@ -1,13 +1,18 @@ warning: unnecessary lifetime parameter `'a` - --> $DIR/regions-static-bound-rpass.rs:4:11 + --> $DIR/regions-static-bound-rpass.rs:6:11 | LL | where 'a: 'static { t } | ^^ | = help: you can use the `'static` lifetime directly, in place of `'a` +note: the lint level is defined here + --> $DIR/regions-static-bound-rpass.rs:3:9 + | +LL | #![warn(unused_lifetimes)] + | ^^^^^^^^^^^^^^^^ warning: unnecessary lifetime parameter `'a` - --> $DIR/regions-static-bound-rpass.rs:8:11 + --> $DIR/regions-static-bound-rpass.rs:10:11 | LL | where 'a: 'static { t } | ^^ @@ -15,7 +20,7 @@ LL | where 'a: 'static { t } = help: you can use the `'static` lifetime directly, in place of `'a` warning: unnecessary lifetime parameter `'b` - --> $DIR/regions-static-bound-rpass.rs:12:19 + --> $DIR/regions-static-bound-rpass.rs:14:19 | LL | where 'a: 'b, 'b: 'static { t } | ^^ diff --git a/tests/ui/regions/regions-static-bound.rs b/tests/ui/regions/regions-static-bound.rs index 4d2455470e28e..e7aa8795f01a6 100644 --- a/tests/ui/regions/regions-static-bound.rs +++ b/tests/ui/regions/regions-static-bound.rs @@ -1,6 +1,8 @@ -fn static_id<'a,'b>(t: &'a ()) -> &'static () - where 'a: 'static { t } -//~^ WARN unnecessary lifetime parameter `'a` +#![warn(unused_lifetimes)] + +fn static_id<'a,'b>(t: &'a ()) -> &'static () where 'a: 'static { t } +//~^ WARN lifetime parameter `'b` never used +//~| WARN unnecessary lifetime parameter `'a` fn static_id_indirect<'a,'b>(t: &'a ()) -> &'static () where 'a: 'b, 'b: 'static { t } diff --git a/tests/ui/regions/regions-static-bound.stderr b/tests/ui/regions/regions-static-bound.stderr index 2886ec3ead51f..b314e9fe85d4e 100644 --- a/tests/ui/regions/regions-static-bound.stderr +++ b/tests/ui/regions/regions-static-bound.stderr @@ -1,13 +1,27 @@ +warning: lifetime parameter `'b` never used + --> $DIR/regions-static-bound.rs:3:17 + | +LL | fn static_id<'a,'b>(t: &'a ()) -> &'static () where 'a: 'static { t } + | -^^ + | | + | help: elide the unused lifetime + | +note: the lint level is defined here + --> $DIR/regions-static-bound.rs:1:9 + | +LL | #![warn(unused_lifetimes)] + | ^^^^^^^^^^^^^^^^ + warning: unnecessary lifetime parameter `'a` - --> $DIR/regions-static-bound.rs:2:11 + --> $DIR/regions-static-bound.rs:3:53 | -LL | where 'a: 'static { t } - | ^^ +LL | fn static_id<'a,'b>(t: &'a ()) -> &'static () where 'a: 'static { t } + | ^^ | = help: you can use the `'static` lifetime directly, in place of `'a` warning: unnecessary lifetime parameter `'b` - --> $DIR/regions-static-bound.rs:6:19 + --> $DIR/regions-static-bound.rs:8:19 | LL | where 'a: 'b, 'b: 'static { t } | ^^ @@ -15,7 +29,7 @@ LL | where 'a: 'b, 'b: 'static { t } = help: you can use the `'static` lifetime directly, in place of `'b` error: lifetime may not live long enough - --> $DIR/regions-static-bound.rs:10:5 + --> $DIR/regions-static-bound.rs:12:5 | LL | fn static_id_wrong_way<'a>(t: &'a ()) -> &'static () where 'static: 'a { | -- lifetime `'a` defined here @@ -23,7 +37,7 @@ LL | t | ^ returning this value requires that `'a` must outlive `'static` error[E0521]: borrowed data escapes outside of function - --> $DIR/regions-static-bound.rs:15:5 + --> $DIR/regions-static-bound.rs:17:5 | LL | fn error(u: &(), v: &()) { | - - let's call the lifetime of this reference `'1` @@ -36,7 +50,7 @@ LL | static_id(&u); | argument requires that `'1` must outlive `'static` error[E0521]: borrowed data escapes outside of function - --> $DIR/regions-static-bound.rs:17:5 + --> $DIR/regions-static-bound.rs:19:5 | LL | fn error(u: &(), v: &()) { | - - let's call the lifetime of this reference `'2` @@ -49,6 +63,6 @@ LL | static_id_indirect(&v); | `v` escapes the function body here | argument requires that `'2` must outlive `'static` -error: aborting due to 3 previous errors; 2 warnings emitted +error: aborting due to 3 previous errors; 3 warnings emitted For more information about this error, try `rustc --explain E0521`. diff --git a/tests/ui/static/static-lifetime-bound.rs b/tests/ui/static/static-lifetime-bound.rs index b5da91ec3b6b0..847fe87b2ea37 100644 --- a/tests/ui/static/static-lifetime-bound.rs +++ b/tests/ui/static/static-lifetime-bound.rs @@ -1,4 +1,4 @@ -fn f<'a: 'static>(_: &'a i32) {} //~WARN unnecessary lifetime parameter `'a` +fn f<'a: 'static>(_: &'a i32) {} fn main() { let x = 0; diff --git a/tests/ui/static/static-lifetime-bound.stderr b/tests/ui/static/static-lifetime-bound.stderr index e22411b13b776..19e55a6582e86 100644 --- a/tests/ui/static/static-lifetime-bound.stderr +++ b/tests/ui/static/static-lifetime-bound.stderr @@ -1,11 +1,3 @@ -warning: unnecessary lifetime parameter `'a` - --> $DIR/static-lifetime-bound.rs:1:6 - | -LL | fn f<'a: 'static>(_: &'a i32) {} - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - error[E0597]: `x` does not live long enough --> $DIR/static-lifetime-bound.rs:5:7 | @@ -19,6 +11,6 @@ LL | f(&x); LL | } | - `x` dropped here while still borrowed -error: aborting due to previous error; 1 warning emitted +error: aborting due to previous error For more information about this error, try `rustc --explain E0597`. diff --git a/tests/ui/type-alias-impl-trait/bounds-are-checked.rs b/tests/ui/type-alias-impl-trait/bounds-are-checked.rs index eeb5dca07f06a..7c3a3a8440606 100644 --- a/tests/ui/type-alias-impl-trait/bounds-are-checked.rs +++ b/tests/ui/type-alias-impl-trait/bounds-are-checked.rs @@ -6,7 +6,6 @@ type X<'a> = impl Into<&'static str> + From<&'a str>; fn f<'a: 'static>(t: &'a str) -> X<'a> { - //~^ WARNING unnecessary lifetime parameter t //~^ ERROR expected generic lifetime parameter, found `'static` } diff --git a/tests/ui/type-alias-impl-trait/bounds-are-checked.stderr b/tests/ui/type-alias-impl-trait/bounds-are-checked.stderr index 94882597a62e6..962dedde09a52 100644 --- a/tests/ui/type-alias-impl-trait/bounds-are-checked.stderr +++ b/tests/ui/type-alias-impl-trait/bounds-are-checked.stderr @@ -1,13 +1,5 @@ -warning: unnecessary lifetime parameter `'a` - --> $DIR/bounds-are-checked.rs:8:6 - | -LL | fn f<'a: 'static>(t: &'a str) -> X<'a> { - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - error[E0792]: expected generic lifetime parameter, found `'static` - --> $DIR/bounds-are-checked.rs:10:5 + --> $DIR/bounds-are-checked.rs:9:5 | LL | type X<'a> = impl Into<&'static str> + From<&'a str>; | -- cannot use static lifetime; use a bound lifetime instead or remove the lifetime parameter from the opaque type @@ -15,6 +7,6 @@ LL | type X<'a> = impl Into<&'static str> + From<&'a str>; LL | t | ^ -error: aborting due to previous error; 1 warning emitted +error: aborting due to previous error For more information about this error, try `rustc --explain E0792`. diff --git a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs index 07f825aea5070..6f9434255a802 100644 --- a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs +++ b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs @@ -4,7 +4,6 @@ mod test_lifetime_param { type Ty<'a> = impl Sized + 'a; fn defining(a: &str) -> Ty<'_> { a } fn assert_static<'a: 'static>() {} - //~^ WARN: unnecessary lifetime parameter `'a` fn test<'a>() where Ty<'a>: 'static { assert_static::<'a>() } //~^ ERROR: lifetime may not live long enough } @@ -13,14 +12,12 @@ mod test_higher_kinded_lifetime_param { type Ty<'a> = impl Sized + 'a; fn defining(a: &str) -> Ty<'_> { a } fn assert_static<'a: 'static>() {} - //~^ WARN: unnecessary lifetime parameter `'a` fn test<'a>() where for<'b> Ty<'b>: 'a { assert_static::<'a>() } //~^ ERROR: lifetime may not live long enough } mod test_higher_kinded_lifetime_param2 { fn assert_static<'a: 'static>() {} - //~^ WARN: unnecessary lifetime parameter `'a` fn test<'a>() { assert_static::<'a>() } //~^ ERROR: lifetime may not live long enough } diff --git a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.stderr b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.stderr index 887620a4d50ec..399775641f8a3 100644 --- a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.stderr +++ b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.stderr @@ -1,41 +1,17 @@ -warning: unnecessary lifetime parameter `'a` - --> $DIR/implied_lifetime_wf_check3.rs:6:22 - | -LL | fn assert_static<'a: 'static>() {} - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - -warning: unnecessary lifetime parameter `'a` - --> $DIR/implied_lifetime_wf_check3.rs:15:22 - | -LL | fn assert_static<'a: 'static>() {} - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - -warning: unnecessary lifetime parameter `'a` - --> $DIR/implied_lifetime_wf_check3.rs:22:22 - | -LL | fn assert_static<'a: 'static>() {} - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - error: lifetime may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:8:43 + --> $DIR/implied_lifetime_wf_check3.rs:7:43 | LL | fn test<'a>() where Ty<'a>: 'static { assert_static::<'a>() } | -- lifetime `'a` defined here ^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` error: lifetime may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:17:46 + --> $DIR/implied_lifetime_wf_check3.rs:15:46 | LL | fn test<'a>() where for<'b> Ty<'b>: 'a { assert_static::<'a>() } | -- lifetime `'a` defined here ^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` error: lifetime may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:24:21 + --> $DIR/implied_lifetime_wf_check3.rs:21:21 | LL | fn test<'a>() { assert_static::<'a>() } | -- ^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` @@ -43,7 +19,7 @@ LL | fn test<'a>() { assert_static::<'a>() } | lifetime `'a` defined here error[E0310]: the parameter type `A` may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:32:41 + --> $DIR/implied_lifetime_wf_check3.rs:29:41 | LL | fn test() where Ty: 'static { assert_static::() } | ^^^^^^^^^^^^^^^^^^ ...so that the type `A` will meet its required lifetime bounds @@ -53,6 +29,6 @@ help: consider adding an explicit lifetime bound... LL | fn test() where Ty: 'static { assert_static::() } | +++++++++ -error: aborting due to 4 previous errors; 3 warnings emitted +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0310`.