diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs
index 81161490d0e85..419b76eaf367c 100644
--- a/compiler/rustc_hir_analysis/src/lib.rs
+++ b/compiler/rustc_hir_analysis/src/lib.rs
@@ -160,6 +160,8 @@ pub fn check_crate(tcx: TyCtxt<'_>) {
 
     if tcx.features().rustc_attrs {
         tcx.sess.time("outlives_testing", || outlives::test::test_inferred_outlives(tcx));
+        tcx.sess.time("variance_testing", || variance::test::test_variance(tcx));
+        collect::test_opaque_hidden_types(tcx);
     }
 
     tcx.sess.time("coherence_checking", || {
@@ -175,14 +177,6 @@ pub fn check_crate(tcx: TyCtxt<'_>) {
         let _ = tcx.ensure().crate_inherent_impls_overlap_check(());
     });
 
-    if tcx.features().rustc_attrs {
-        tcx.sess.time("variance_testing", || variance::test::test_variance(tcx));
-    }
-
-    if tcx.features().rustc_attrs {
-        collect::test_opaque_hidden_types(tcx);
-    }
-
     // Make sure we evaluate all static and (non-associated) const items, even if unused.
     // If any of these fail to evaluate, we do not want this crate to pass compilation.
     tcx.hir().par_body_owners(|item_def_id| {
diff --git a/tests/ui/type-alias-impl-trait/variance.stderr b/tests/ui/type-alias-impl-trait/variance.stderr
index 1aaf36223b7f5..3daacacdb4a3a 100644
--- a/tests/ui/type-alias-impl-trait/variance.stderr
+++ b/tests/ui/type-alias-impl-trait/variance.stderr
@@ -1,3 +1,69 @@
+error: [*, o]
+  --> $DIR/variance.rs:8:29
+   |
+LL | type NotCapturedEarly<'a> = impl Sized;
+   |                             ^^^^^^^^^^
+
+error: [*, o]
+  --> $DIR/variance.rs:11:26
+   |
+LL | type CapturedEarly<'a> = impl Sized + Captures<'a>;
+   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: [*, o, o]
+  --> $DIR/variance.rs:14:56
+   |
+LL | type NotCapturedLate<'a> = dyn for<'b> Iterator<Item = impl Sized>;
+   |                                                        ^^^^^^^^^^
+
+error: [*, o, o]
+  --> $DIR/variance.rs:18:49
+   |
+LL | type Captured<'a> = dyn for<'b> Iterator<Item = impl Sized + Captures<'a>>;
+   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: [*, *, o, o, o]
+  --> $DIR/variance.rs:22:27
+   |
+LL | type Bar<'a, 'b: 'b, T> = impl Sized;
+   |                           ^^^^^^^^^^
+
+error: [*, *, o, o]
+  --> $DIR/variance.rs:34:32
+   |
+LL |     type ImplicitCapture<'a> = impl Sized;
+   |                                ^^^^^^^^^^
+
+error: [*, *, o, o]
+  --> $DIR/variance.rs:37:42
+   |
+LL |     type ExplicitCaptureFromHeader<'a> = impl Sized + Captures<'i>;
+   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: [*, *, o, o]
+  --> $DIR/variance.rs:40:39
+   |
+LL |     type ExplicitCaptureFromGat<'a> = impl Sized + Captures<'a>;
+   |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: [*, *, o, o]
+  --> $DIR/variance.rs:45:32
+   |
+LL |     type ImplicitCapture<'a> = impl Sized;
+   |                                ^^^^^^^^^^
+
+error: [*, *, o, o]
+  --> $DIR/variance.rs:48:42
+   |
+LL |     type ExplicitCaptureFromHeader<'a> = impl Sized + Captures<'i>;
+   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: [*, *, o, o]
+  --> $DIR/variance.rs:51:39
+   |
+LL |     type ExplicitCaptureFromGat<'a> = impl Sized + Captures<'a>;
+   |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
+
 error[E0657]: `impl Trait` cannot capture higher-ranked lifetime from `dyn` type
   --> $DIR/variance.rs:14:56
    |
@@ -110,72 +176,6 @@ LL |     type ExplicitCaptureFromGat<'a> = impl Sized + Captures<'a>;
    |
    = note: `ExplicitCaptureFromGat` must be used in combination with a concrete type within the same impl
 
-error: [*, o]
-  --> $DIR/variance.rs:8:29
-   |
-LL | type NotCapturedEarly<'a> = impl Sized;
-   |                             ^^^^^^^^^^
-
-error: [*, o]
-  --> $DIR/variance.rs:11:26
-   |
-LL | type CapturedEarly<'a> = impl Sized + Captures<'a>;
-   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: [*, o, o]
-  --> $DIR/variance.rs:14:56
-   |
-LL | type NotCapturedLate<'a> = dyn for<'b> Iterator<Item = impl Sized>;
-   |                                                        ^^^^^^^^^^
-
-error: [*, o, o]
-  --> $DIR/variance.rs:18:49
-   |
-LL | type Captured<'a> = dyn for<'b> Iterator<Item = impl Sized + Captures<'a>>;
-   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: [*, *, o, o, o]
-  --> $DIR/variance.rs:22:27
-   |
-LL | type Bar<'a, 'b: 'b, T> = impl Sized;
-   |                           ^^^^^^^^^^
-
-error: [*, *, o, o]
-  --> $DIR/variance.rs:34:32
-   |
-LL |     type ImplicitCapture<'a> = impl Sized;
-   |                                ^^^^^^^^^^
-
-error: [*, *, o, o]
-  --> $DIR/variance.rs:37:42
-   |
-LL |     type ExplicitCaptureFromHeader<'a> = impl Sized + Captures<'i>;
-   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: [*, *, o, o]
-  --> $DIR/variance.rs:40:39
-   |
-LL |     type ExplicitCaptureFromGat<'a> = impl Sized + Captures<'a>;
-   |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: [*, *, o, o]
-  --> $DIR/variance.rs:45:32
-   |
-LL |     type ImplicitCapture<'a> = impl Sized;
-   |                                ^^^^^^^^^^
-
-error: [*, *, o, o]
-  --> $DIR/variance.rs:48:42
-   |
-LL |     type ExplicitCaptureFromHeader<'a> = impl Sized + Captures<'i>;
-   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: [*, *, o, o]
-  --> $DIR/variance.rs:51:39
-   |
-LL |     type ExplicitCaptureFromGat<'a> = impl Sized + Captures<'a>;
-   |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
-
 error: aborting due to 24 previous errors
 
 For more information about this error, try `rustc --explain E0657`.
diff --git a/tests/ui/variance/variance-associated-consts.stderr b/tests/ui/variance/variance-associated-consts.stderr
index f41574ca3a37b..b910f668db521 100644
--- a/tests/ui/variance/variance-associated-consts.stderr
+++ b/tests/ui/variance/variance-associated-consts.stderr
@@ -1,3 +1,9 @@
+error: [o]
+  --> $DIR/variance-associated-consts.rs:13:1
+   |
+LL | struct Foo<T: Trait> {
+   | ^^^^^^^^^^^^^^^^^^^^
+
 error: unconstrained generic constant
   --> $DIR/variance-associated-consts.rs:14:12
    |
@@ -6,11 +12,5 @@ LL |     field: [u8; <T as Trait>::Const]
    |
    = help: try adding a `where` bound using this expression: `where [(); <T as Trait>::Const]:`
 
-error: [o]
-  --> $DIR/variance-associated-consts.rs:13:1
-   |
-LL | struct Foo<T: Trait> {
-   | ^^^^^^^^^^^^^^^^^^^^
-
 error: aborting due to 2 previous errors
 
diff --git a/tests/ui/variance/variance-regions-direct.stderr b/tests/ui/variance/variance-regions-direct.stderr
index edfc888f65667..5ac538982aa85 100644
--- a/tests/ui/variance/variance-regions-direct.stderr
+++ b/tests/ui/variance/variance-regions-direct.stderr
@@ -1,11 +1,3 @@
-error[E0392]: lifetime parameter `'a` is never used
-  --> $DIR/variance-regions-direct.rs:52:14
-   |
-LL | struct Test7<'a> {
-   |              ^^ unused lifetime parameter
-   |
-   = help: consider removing `'a`, referring to it in a field, or using a marker such as `PhantomData`
-
 error: [+, +, +]
   --> $DIR/variance-regions-direct.rs:9:1
    |
@@ -48,6 +40,14 @@ error: [-, +, o]
 LL | enum Test8<'a, 'b, 'c:'b> {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error[E0392]: lifetime parameter `'a` is never used
+  --> $DIR/variance-regions-direct.rs:52:14
+   |
+LL | struct Test7<'a> {
+   |              ^^ unused lifetime parameter
+   |
+   = help: consider removing `'a`, referring to it in a field, or using a marker such as `PhantomData`
+
 error: aborting due to 8 previous errors
 
 For more information about this error, try `rustc --explain E0392`.
diff --git a/tests/ui/variance/variance-regions-indirect.stderr b/tests/ui/variance/variance-regions-indirect.stderr
index 901ec0c6a762b..b6b943026ebe6 100644
--- a/tests/ui/variance/variance-regions-indirect.stderr
+++ b/tests/ui/variance/variance-regions-indirect.stderr
@@ -1,3 +1,33 @@
+error: [-, +, o, *]
+  --> $DIR/variance-regions-indirect.rs:8:1
+   |
+LL | enum Base<'a, 'b, 'c:'b, 'd> {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: [*, o, +, -]
+  --> $DIR/variance-regions-indirect.rs:16:1
+   |
+LL | struct Derived1<'w, 'x:'y, 'y, 'z> {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: [o, o, *]
+  --> $DIR/variance-regions-indirect.rs:22:1
+   |
+LL | struct Derived2<'a, 'b:'a, 'c> {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: [o, +, *]
+  --> $DIR/variance-regions-indirect.rs:28:1
+   |
+LL | struct Derived3<'a:'b, 'b, 'c> {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: [-, +, o]
+  --> $DIR/variance-regions-indirect.rs:34:1
+   |
+LL | struct Derived4<'a, 'b, 'c:'b> {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
 error[E0392]: lifetime parameter `'d` is never used
   --> $DIR/variance-regions-indirect.rs:8:26
    |
@@ -30,36 +60,6 @@ LL | struct Derived3<'a:'b, 'b, 'c> {
    |
    = help: consider removing `'c`, referring to it in a field, or using a marker such as `PhantomData`
 
-error: [-, +, o, *]
-  --> $DIR/variance-regions-indirect.rs:8:1
-   |
-LL | enum Base<'a, 'b, 'c:'b, 'd> {
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: [*, o, +, -]
-  --> $DIR/variance-regions-indirect.rs:16:1
-   |
-LL | struct Derived1<'w, 'x:'y, 'y, 'z> {
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: [o, o, *]
-  --> $DIR/variance-regions-indirect.rs:22:1
-   |
-LL | struct Derived2<'a, 'b:'a, 'c> {
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: [o, +, *]
-  --> $DIR/variance-regions-indirect.rs:28:1
-   |
-LL | struct Derived3<'a:'b, 'b, 'c> {
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: [-, +, o]
-  --> $DIR/variance-regions-indirect.rs:34:1
-   |
-LL | struct Derived4<'a, 'b, 'c:'b> {
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
 error: aborting due to 9 previous errors
 
 For more information about this error, try `rustc --explain E0392`.
diff --git a/tests/ui/variance/variance-trait-bounds.stderr b/tests/ui/variance/variance-trait-bounds.stderr
index 95ed18c1ad2bf..9d106fb11f6a8 100644
--- a/tests/ui/variance/variance-trait-bounds.stderr
+++ b/tests/ui/variance/variance-trait-bounds.stderr
@@ -1,3 +1,27 @@
+error: [+, +]
+  --> $DIR/variance-trait-bounds.rs:16:1
+   |
+LL | struct TestStruct<U,T:Setter<U>> {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: [*, +]
+  --> $DIR/variance-trait-bounds.rs:21:1
+   |
+LL | enum TestEnum<U,T:Setter<U>> {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: [*, +]
+  --> $DIR/variance-trait-bounds.rs:27:1
+   |
+LL | struct TestContraStruct<U,T:Setter<U>> {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: [*, +]
+  --> $DIR/variance-trait-bounds.rs:33:1
+   |
+LL | struct TestBox<U,T:Getter<U>+Setter<U>> {
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
 error[E0392]: type parameter `U` is never used
   --> $DIR/variance-trait-bounds.rs:21:15
    |
@@ -25,30 +49,6 @@ LL | struct TestBox<U,T:Getter<U>+Setter<U>> {
    = help: consider removing `U`, referring to it in a field, or using a marker such as `PhantomData`
    = help: if you intended `U` to be a const parameter, use `const U: /* Type */` instead
 
-error: [+, +]
-  --> $DIR/variance-trait-bounds.rs:16:1
-   |
-LL | struct TestStruct<U,T:Setter<U>> {
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: [*, +]
-  --> $DIR/variance-trait-bounds.rs:21:1
-   |
-LL | enum TestEnum<U,T:Setter<U>> {
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: [*, +]
-  --> $DIR/variance-trait-bounds.rs:27:1
-   |
-LL | struct TestContraStruct<U,T:Setter<U>> {
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: [*, +]
-  --> $DIR/variance-trait-bounds.rs:33:1
-   |
-LL | struct TestBox<U,T:Getter<U>+Setter<U>> {
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
 error: aborting due to 7 previous errors
 
 For more information about this error, try `rustc --explain E0392`.