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-rw-r--r--tests/mir-opt/address_of.address_of_reborrow.SimplifyCfg-initial.after.mir18
-rw-r--r--tests/ui/consts/const-eval/ptr_fragments.rs1
-rw-r--r--tests/ui/consts/const-eval/ptr_fragments_in_final.rs1
-rw-r--r--tests/ui/consts/const-eval/ptr_fragments_mixed.rs28
-rw-r--r--tests/ui/consts/const-eval/ptr_fragments_mixed.stderr23
-rw-r--r--tests/ui/consts/const-eval/read_partial_ptr.rs1
-rw-r--r--tests/ui/error-emitter/multiline-removal-suggestion.svg364
-rw-r--r--tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs24
-rw-r--r--tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr262
-rw-r--r--tests/ui/impl-trait/recursive-in-exhaustiveness.next.stderr22
-rw-r--r--tests/ui/limits/huge-array-simple-64.full-debuginfo.stderr (renamed from tests/ui/limits/huge-array-simple-64.stderr)2
-rw-r--r--tests/ui/limits/huge-array-simple-64.no-debuginfo.stderr8
-rw-r--r--tests/ui/limits/huge-array-simple-64.rs5
-rw-r--r--tests/ui/limits/huge-array.full-debuginfo.stderr (renamed from tests/ui/limits/huge-array.stderr)2
-rw-r--r--tests/ui/limits/huge-array.no-debuginfo.stderr8
-rw-r--r--tests/ui/limits/huge-array.rs5
-rw-r--r--tests/ui/limits/issue-15919-64.full-debuginfo.stderr (renamed from tests/ui/limits/issue-15919-64.stderr)2
-rw-r--r--tests/ui/limits/issue-15919-64.no-debuginfo.stderr8
-rw-r--r--tests/ui/limits/issue-15919-64.rs5
-rw-r--r--tests/ui/lint/unused/unused-attr-duplicate.stderr52
-rw-r--r--tests/ui/lint/unused/unused-attr-macro-rules.stderr35
-rw-r--r--tests/ui/recursion_limit/empty.rs8
-rw-r--r--tests/ui/recursion_limit/empty.stderr12
-rw-r--r--tests/ui/recursion_limit/invalid_digit.rs8
-rw-r--r--tests/ui/recursion_limit/invalid_digit.stderr12
-rw-r--r--tests/ui/recursion_limit/invalid_digit_type.stderr8
-rw-r--r--tests/ui/recursion_limit/invalid_macro.rs2
-rw-r--r--tests/ui/recursion_limit/invalid_macro.stderr8
-rw-r--r--tests/ui/recursion_limit/no-value.stderr3
-rw-r--r--tests/ui/recursion_limit/overflow.rs3
-rw-r--r--tests/ui/recursion_limit/overflow.stderr12
-rw-r--r--tests/ui/type-alias-impl-trait/fallback.rs29
-rw-r--r--tests/ui/type-alias-impl-trait/fallback.stderr20
-rw-r--r--tests/ui/type/type-name-basic.rs15
34 files changed, 512 insertions, 504 deletions
diff --git a/tests/mir-opt/address_of.address_of_reborrow.SimplifyCfg-initial.after.mir b/tests/mir-opt/address_of.address_of_reborrow.SimplifyCfg-initial.after.mir
index 8afb6ad250e..a18d7e7478f 100644
--- a/tests/mir-opt/address_of.address_of_reborrow.SimplifyCfg-initial.after.mir
+++ b/tests/mir-opt/address_of.address_of_reborrow.SimplifyCfg-initial.after.mir
@@ -1,30 +1,30 @@
 // MIR for `address_of_reborrow` after SimplifyCfg-initial
 
 | User Type Annotations
-| 0: user_ty: Canonical { value: Ty(*const ^0), max_universe: U0, variables: [Ty(General(U0))] }, span: $DIR/address_of.rs:8:10: 8:18, inferred_ty: *const [i32; 10]
+| 0: user_ty: Canonical { value: Ty(*const ^0), max_universe: U0, variables: [Ty { ui: U0, sub_root: 0 }] }, span: $DIR/address_of.rs:8:10: 8:18, inferred_ty: *const [i32; 10]
 | 1: user_ty: Canonical { value: Ty(*const dyn std::marker::Send), max_universe: U0, variables: [Region(U0)] }, span: $DIR/address_of.rs:10:10: 10:25, inferred_ty: *const dyn std::marker::Send
-| 2: user_ty: Canonical { value: Ty(*const ^0), max_universe: U0, variables: [Ty(General(U0))] }, span: $DIR/address_of.rs:14:12: 14:20, inferred_ty: *const [i32; 10]
-| 3: user_ty: Canonical { value: Ty(*const ^0), max_universe: U0, variables: [Ty(General(U0))] }, span: $DIR/address_of.rs:14:12: 14:20, inferred_ty: *const [i32; 10]
+| 2: user_ty: Canonical { value: Ty(*const ^0), max_universe: U0, variables: [Ty { ui: U0, sub_root: 0 }] }, span: $DIR/address_of.rs:14:12: 14:20, inferred_ty: *const [i32; 10]
+| 3: user_ty: Canonical { value: Ty(*const ^0), max_universe: U0, variables: [Ty { ui: U0, sub_root: 0 }] }, span: $DIR/address_of.rs:14:12: 14:20, inferred_ty: *const [i32; 10]
 | 4: user_ty: Canonical { value: Ty(*const [i32; 10]), max_universe: U0, variables: [] }, span: $DIR/address_of.rs:15:12: 15:28, inferred_ty: *const [i32; 10]
 | 5: user_ty: Canonical { value: Ty(*const [i32; 10]), max_universe: U0, variables: [] }, span: $DIR/address_of.rs:15:12: 15:28, inferred_ty: *const [i32; 10]
 | 6: user_ty: Canonical { value: Ty(*const dyn std::marker::Send), max_universe: U0, variables: [Region(U0)] }, span: $DIR/address_of.rs:16:12: 16:27, inferred_ty: *const dyn std::marker::Send
 | 7: user_ty: Canonical { value: Ty(*const dyn std::marker::Send), max_universe: U0, variables: [Region(U0)] }, span: $DIR/address_of.rs:16:12: 16:27, inferred_ty: *const dyn std::marker::Send
 | 8: user_ty: Canonical { value: Ty(*const [i32]), max_universe: U0, variables: [] }, span: $DIR/address_of.rs:17:12: 17:24, inferred_ty: *const [i32]
 | 9: user_ty: Canonical { value: Ty(*const [i32]), max_universe: U0, variables: [] }, span: $DIR/address_of.rs:17:12: 17:24, inferred_ty: *const [i32]
-| 10: user_ty: Canonical { value: Ty(*const ^0), max_universe: U0, variables: [Ty(General(U0))] }, span: $DIR/address_of.rs:19:10: 19:18, inferred_ty: *const [i32; 10]
+| 10: user_ty: Canonical { value: Ty(*const ^0), max_universe: U0, variables: [Ty { ui: U0, sub_root: 0 }] }, span: $DIR/address_of.rs:19:10: 19:18, inferred_ty: *const [i32; 10]
 | 11: user_ty: Canonical { value: Ty(*const dyn std::marker::Send), max_universe: U0, variables: [Region(U0)] }, span: $DIR/address_of.rs:21:10: 21:25, inferred_ty: *const dyn std::marker::Send
-| 12: user_ty: Canonical { value: Ty(*const ^0), max_universe: U0, variables: [Ty(General(U0))] }, span: $DIR/address_of.rs:24:12: 24:20, inferred_ty: *const [i32; 10]
-| 13: user_ty: Canonical { value: Ty(*const ^0), max_universe: U0, variables: [Ty(General(U0))] }, span: $DIR/address_of.rs:24:12: 24:20, inferred_ty: *const [i32; 10]
+| 12: user_ty: Canonical { value: Ty(*const ^0), max_universe: U0, variables: [Ty { ui: U0, sub_root: 0 }] }, span: $DIR/address_of.rs:24:12: 24:20, inferred_ty: *const [i32; 10]
+| 13: user_ty: Canonical { value: Ty(*const ^0), max_universe: U0, variables: [Ty { ui: U0, sub_root: 0 }] }, span: $DIR/address_of.rs:24:12: 24:20, inferred_ty: *const [i32; 10]
 | 14: user_ty: Canonical { value: Ty(*const [i32; 10]), max_universe: U0, variables: [] }, span: $DIR/address_of.rs:25:12: 25:28, inferred_ty: *const [i32; 10]
 | 15: user_ty: Canonical { value: Ty(*const [i32; 10]), max_universe: U0, variables: [] }, span: $DIR/address_of.rs:25:12: 25:28, inferred_ty: *const [i32; 10]
 | 16: user_ty: Canonical { value: Ty(*const dyn std::marker::Send), max_universe: U0, variables: [Region(U0)] }, span: $DIR/address_of.rs:26:12: 26:27, inferred_ty: *const dyn std::marker::Send
 | 17: user_ty: Canonical { value: Ty(*const dyn std::marker::Send), max_universe: U0, variables: [Region(U0)] }, span: $DIR/address_of.rs:26:12: 26:27, inferred_ty: *const dyn std::marker::Send
 | 18: user_ty: Canonical { value: Ty(*const [i32]), max_universe: U0, variables: [] }, span: $DIR/address_of.rs:27:12: 27:24, inferred_ty: *const [i32]
 | 19: user_ty: Canonical { value: Ty(*const [i32]), max_universe: U0, variables: [] }, span: $DIR/address_of.rs:27:12: 27:24, inferred_ty: *const [i32]
-| 20: user_ty: Canonical { value: Ty(*mut ^0), max_universe: U0, variables: [Ty(General(U0))] }, span: $DIR/address_of.rs:29:10: 29:16, inferred_ty: *mut [i32; 10]
+| 20: user_ty: Canonical { value: Ty(*mut ^0), max_universe: U0, variables: [Ty { ui: U0, sub_root: 0 }] }, span: $DIR/address_of.rs:29:10: 29:16, inferred_ty: *mut [i32; 10]
 | 21: user_ty: Canonical { value: Ty(*mut dyn std::marker::Send), max_universe: U0, variables: [Region(U0)] }, span: $DIR/address_of.rs:31:10: 31:23, inferred_ty: *mut dyn std::marker::Send
-| 22: user_ty: Canonical { value: Ty(*mut ^0), max_universe: U0, variables: [Ty(General(U0))] }, span: $DIR/address_of.rs:34:12: 34:18, inferred_ty: *mut [i32; 10]
-| 23: user_ty: Canonical { value: Ty(*mut ^0), max_universe: U0, variables: [Ty(General(U0))] }, span: $DIR/address_of.rs:34:12: 34:18, inferred_ty: *mut [i32; 10]
+| 22: user_ty: Canonical { value: Ty(*mut ^0), max_universe: U0, variables: [Ty { ui: U0, sub_root: 0 }] }, span: $DIR/address_of.rs:34:12: 34:18, inferred_ty: *mut [i32; 10]
+| 23: user_ty: Canonical { value: Ty(*mut ^0), max_universe: U0, variables: [Ty { ui: U0, sub_root: 0 }] }, span: $DIR/address_of.rs:34:12: 34:18, inferred_ty: *mut [i32; 10]
 | 24: user_ty: Canonical { value: Ty(*mut [i32; 10]), max_universe: U0, variables: [] }, span: $DIR/address_of.rs:35:12: 35:26, inferred_ty: *mut [i32; 10]
 | 25: user_ty: Canonical { value: Ty(*mut [i32; 10]), max_universe: U0, variables: [] }, span: $DIR/address_of.rs:35:12: 35:26, inferred_ty: *mut [i32; 10]
 | 26: user_ty: Canonical { value: Ty(*mut dyn std::marker::Send), max_universe: U0, variables: [Region(U0)] }, span: $DIR/address_of.rs:36:12: 36:25, inferred_ty: *mut dyn std::marker::Send
diff --git a/tests/ui/consts/const-eval/ptr_fragments.rs b/tests/ui/consts/const-eval/ptr_fragments.rs
index 04dcbe55590..7dc5870f89e 100644
--- a/tests/ui/consts/const-eval/ptr_fragments.rs
+++ b/tests/ui/consts/const-eval/ptr_fragments.rs
@@ -1,5 +1,6 @@
 //! Test that various operations involving pointer fragments work as expected.
 //@ run-pass
+//@ ignore-test: disabled due to <https://github.com/rust-lang/rust/issues/146291>
 
 use std::mem::{self, MaybeUninit, transmute};
 use std::ptr;
diff --git a/tests/ui/consts/const-eval/ptr_fragments_in_final.rs b/tests/ui/consts/const-eval/ptr_fragments_in_final.rs
index e2f3f51b086..aed33d7ed8d 100644
--- a/tests/ui/consts/const-eval/ptr_fragments_in_final.rs
+++ b/tests/ui/consts/const-eval/ptr_fragments_in_final.rs
@@ -1,4 +1,5 @@
 //! Test that we properly error when there is a pointer fragment in the final value.
+//@ ignore-test: disabled due to <https://github.com/rust-lang/rust/issues/146291>
 
 use std::{mem::{self, MaybeUninit}, ptr};
 
diff --git a/tests/ui/consts/const-eval/ptr_fragments_mixed.rs b/tests/ui/consts/const-eval/ptr_fragments_mixed.rs
new file mode 100644
index 00000000000..79a42820f50
--- /dev/null
+++ b/tests/ui/consts/const-eval/ptr_fragments_mixed.rs
@@ -0,0 +1,28 @@
+//! This mixes fragments from different pointers to the same allocarion, in a way
+//! that we should not accept. See <https://github.com/rust-lang/rust/issues/146291>.
+static A: u8 = 123;
+
+const HALF_PTR: usize = std::mem::size_of::<*const ()>() / 2;
+
+const fn mix_ptr() -> *const u8 {
+    unsafe {
+        let x: *const u8 = &raw const A;
+        let mut y = x.wrapping_add(usize::MAX / 4);
+        core::ptr::copy_nonoverlapping(
+            (&raw const x).cast::<u8>(),
+            (&raw mut y).cast::<u8>(),
+            HALF_PTR,
+        );
+        y
+    }
+}
+
+const APTR: *const u8 = mix_ptr(); //~ERROR: unable to read parts of a pointer
+
+fn main() {
+    let a = APTR;
+    println!("{a:p}");
+    let b = mix_ptr();
+    println!("{b:p}");
+    assert_eq!(a, b);
+}
diff --git a/tests/ui/consts/const-eval/ptr_fragments_mixed.stderr b/tests/ui/consts/const-eval/ptr_fragments_mixed.stderr
new file mode 100644
index 00000000000..9e991ab7a7d
--- /dev/null
+++ b/tests/ui/consts/const-eval/ptr_fragments_mixed.stderr
@@ -0,0 +1,23 @@
+error[E0080]: unable to read parts of a pointer from memory at ALLOC0
+  --> $DIR/ptr_fragments_mixed.rs:20:25
+   |
+LL | const APTR: *const u8 = mix_ptr();
+   |                         ^^^^^^^^^ evaluation of `APTR` failed inside this call
+   |
+   = help: this code performed an operation that depends on the underlying bytes representing a pointer
+   = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported
+note: inside `mix_ptr`
+  --> $DIR/ptr_fragments_mixed.rs:11:9
+   |
+LL | /         core::ptr::copy_nonoverlapping(
+LL | |             (&raw const x).cast::<u8>(),
+LL | |             (&raw mut y).cast::<u8>(),
+LL | |             HALF_PTR,
+LL | |         );
+   | |_________^
+note: inside `std::ptr::copy_nonoverlapping::<u8>`
+  --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0080`.
diff --git a/tests/ui/consts/const-eval/read_partial_ptr.rs b/tests/ui/consts/const-eval/read_partial_ptr.rs
index bccef9c0bc6..c153e274e41 100644
--- a/tests/ui/consts/const-eval/read_partial_ptr.rs
+++ b/tests/ui/consts/const-eval/read_partial_ptr.rs
@@ -1,4 +1,5 @@
 //! Ensure we error when trying to load from a pointer whose provenance has been messed with.
+//@ ignore-test: disabled due to <https://github.com/rust-lang/rust/issues/146291>
 
 const PARTIAL_OVERWRITE: () = {
     let mut p = &42;
diff --git a/tests/ui/error-emitter/multiline-removal-suggestion.svg b/tests/ui/error-emitter/multiline-removal-suggestion.svg
index 9c9bd163ecd..7a88ac55b23 100644
--- a/tests/ui/error-emitter/multiline-removal-suggestion.svg
+++ b/tests/ui/error-emitter/multiline-removal-suggestion.svg
@@ -1,4 +1,4 @@
-<svg width="2322px" height="4322px" xmlns="http://www.w3.org/2000/svg">
+<svg width="2238px" height="3890px" xmlns="http://www.w3.org/2000/svg">
   <style>
     .fg { fill: #AAAAAA }
     .bg { background: #000000 }
@@ -129,375 +129,327 @@
 </tspan>
     <tspan x="10px" y="982px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: the following trait bounds were not satisfied:</tspan>
 </tspan>
-    <tspan x="10px" y="1000px"><tspan>           `&lt;Flatten&lt;Map&lt;std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:16:10: 16:13}&gt;&gt; as IntoIterator&gt;::IntoIter = _`</tspan>
+    <tspan x="10px" y="1000px"><tspan>           `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:14:8: 14:23}&gt;&gt;: Iterator`</tspan>
 </tspan>
-    <tspan x="10px" y="1018px"><tspan>           which is required by `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:14:8: 14:23}&gt;&gt;: Iterator`</tspan>
+    <tspan x="10px" y="1018px"><tspan>           which is required by `&amp;mut Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:14:8: 14:23}&gt;&gt;: Iterator`</tspan>
 </tspan>
-    <tspan x="10px" y="1036px"><tspan>           `&lt;Flatten&lt;Map&lt;std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:16:10: 16:13}&gt;&gt; as IntoIterator&gt;::Item = _`</tspan>
+    <tspan x="10px" y="1036px">
 </tspan>
-    <tspan x="10px" y="1054px"><tspan>           which is required by `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:14:8: 14:23}&gt;&gt;: Iterator`</tspan>
+    <tspan x="10px" y="1054px"><tspan class="fg-ansi256-009 bold">error[E0277]</tspan><tspan class="bold">: `(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
 </tspan>
-    <tspan x="10px" y="1072px"><tspan>           `Flatten&lt;Map&lt;std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:16:10: 16:13}&gt;&gt;: IntoIterator`</tspan>
+    <tspan x="10px" y="1072px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:32:6</tspan>
 </tspan>
-    <tspan x="10px" y="1090px"><tspan>           which is required by `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:14:8: 14:23}&gt;&gt;: Iterator`</tspan>
+    <tspan x="10px" y="1090px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="1108px"><tspan>           `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:14:8: 14:23}&gt;&gt;: Iterator`</tspan>
+    <tspan x="10px" y="1108px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                 .flatten()</tspan>
 </tspan>
-    <tspan x="10px" y="1126px"><tspan>           which is required by `&amp;mut Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:14:8: 14:23}&gt;&gt;: Iterator`</tspan>
+    <tspan x="10px" y="1126px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                  </tspan><tspan class="fg-ansi256-009 bold">^^^^^^^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">`(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
 </tspan>
-    <tspan x="10px" y="1144px">
+    <tspan x="10px" y="1144px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="1162px"><tspan class="fg-ansi256-009 bold">error[E0277]</tspan><tspan class="bold">: `(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
+    <tspan x="10px" y="1162px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">help</tspan><tspan>: the trait `Iterator` is not implemented for `(bool, HashSet&lt;u8&gt;)`</tspan>
 </tspan>
-    <tspan x="10px" y="1180px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:32:6</tspan>
+    <tspan x="10px" y="1180px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: required for `(bool, HashSet&lt;u8&gt;)` to implement `IntoIterator`</tspan>
 </tspan>
-    <tspan x="10px" y="1198px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="1198px"><tspan class="fg-ansi256-010 bold">note</tspan><tspan>: required by a bound in `flatten`</tspan>
 </tspan>
-    <tspan x="10px" y="1216px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                 .flatten()</tspan>
+    <tspan x="10px" y="1216px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL</tspan>
 </tspan>
-    <tspan x="10px" y="1234px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                  </tspan><tspan class="fg-ansi256-009 bold">^^^^^^^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">`(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
+    <tspan x="10px" y="1234px"><tspan class="fg-ansi256-014 bold">help</tspan><tspan>: consider removing this method call, as the receiver has type `std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;` and `std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;: Iterator` trivially holds</tspan>
 </tspan>
     <tspan x="10px" y="1252px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="1270px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">help</tspan><tspan>: the trait `Iterator` is not implemented for `(bool, HashSet&lt;u8&gt;)`</tspan>
+    <tspan x="10px" y="1270px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-009">- </tspan><tspan>            ts.into_iter()</tspan>
 </tspan>
-    <tspan x="10px" y="1288px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: required for `(bool, HashSet&lt;u8&gt;)` to implement `IntoIterator`</tspan>
+    <tspan x="10px" y="1288px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-009">-                 .map(|t| (is_true, t))</tspan>
 </tspan>
-    <tspan x="10px" y="1306px"><tspan class="fg-ansi256-010 bold">note</tspan><tspan>: required by a bound in `flatten`</tspan>
+    <tspan x="10px" y="1306px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-010">+ </tspan><tspan>            ts.into_iter()</tspan>
 </tspan>
-    <tspan x="10px" y="1324px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL</tspan>
+    <tspan x="10px" y="1324px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="1342px"><tspan class="fg-ansi256-014 bold">help</tspan><tspan>: consider removing this method call, as the receiver has type `std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;` and `std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;: Iterator` trivially holds</tspan>
+    <tspan x="10px" y="1342px">
 </tspan>
-    <tspan x="10px" y="1360px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="1360px"><tspan class="fg-ansi256-009 bold">error[E0277]</tspan><tspan class="bold">: `(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
 </tspan>
-    <tspan x="10px" y="1378px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-009">- </tspan><tspan>            ts.into_iter()</tspan>
+    <tspan x="10px" y="1378px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:28:2</tspan>
 </tspan>
-    <tspan x="10px" y="1396px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-009">-                 .map(|t| (is_true, t))</tspan>
+    <tspan x="10px" y="1396px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="1414px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-010">+ </tspan><tspan>            ts.into_iter()</tspan>
+    <tspan x="10px" y="1414px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">/</tspan><tspan>     hm.into_iter()</tspan>
 </tspan>
-    <tspan x="10px" y="1432px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="1432px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>         .map(|(is_true, ts)| {</tspan>
 </tspan>
-    <tspan x="10px" y="1450px">
+    <tspan x="10px" y="1450px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>             ts.into_iter()</tspan>
 </tspan>
-    <tspan x="10px" y="1468px"><tspan class="fg-ansi256-009 bold">error[E0277]</tspan><tspan class="bold">: `(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
+    <tspan x="10px" y="1468px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>                 .map(|t| (is_true, t))</tspan>
 </tspan>
-    <tspan x="10px" y="1486px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:28:2</tspan>
+    <tspan x="10px" y="1486px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>                 .flatten()</tspan>
 </tspan>
-    <tspan x="10px" y="1504px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="1504px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>         })</tspan>
 </tspan>
-    <tspan x="10px" y="1522px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">/</tspan><tspan>     hm.into_iter()</tspan>
+    <tspan x="10px" y="1522px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|__________^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">`(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
 </tspan>
-    <tspan x="10px" y="1540px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>         .map(|(is_true, ts)| {</tspan>
+    <tspan x="10px" y="1540px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="1558px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>             ts.into_iter()</tspan>
+    <tspan x="10px" y="1558px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">help</tspan><tspan>: the trait `Iterator` is not implemented for `(bool, HashSet&lt;u8&gt;)`</tspan>
 </tspan>
-    <tspan x="10px" y="1576px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>                 .map(|t| (is_true, t))</tspan>
+    <tspan x="10px" y="1576px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: required for `(bool, HashSet&lt;u8&gt;)` to implement `IntoIterator`</tspan>
 </tspan>
-    <tspan x="10px" y="1594px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>                 .flatten()</tspan>
+    <tspan x="10px" y="1594px"><tspan class="fg-ansi256-010 bold">note</tspan><tspan>: required by a bound in `Flatten`</tspan>
 </tspan>
-    <tspan x="10px" y="1612px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>         })</tspan>
+    <tspan x="10px" y="1612px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$SRC_DIR/core/src/iter/adapters/flatten.rs:LL:COL</tspan>
 </tspan>
-    <tspan x="10px" y="1630px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|__________^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">`(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
+    <tspan x="10px" y="1630px">
 </tspan>
-    <tspan x="10px" y="1648px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="1648px"><tspan class="fg-ansi256-009 bold">error[E0599]</tspan><tspan class="bold">: the method `collect` exists for struct `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:29:8: 29:23}&gt;&gt;`, but its trait bounds were not satisfied</tspan>
 </tspan>
-    <tspan x="10px" y="1666px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">help</tspan><tspan>: the trait `Iterator` is not implemented for `(bool, HashSet&lt;u8&gt;)`</tspan>
+    <tspan x="10px" y="1666px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:35:4</tspan>
 </tspan>
-    <tspan x="10px" y="1684px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: required for `(bool, HashSet&lt;u8&gt;)` to implement `IntoIterator`</tspan>
+    <tspan x="10px" y="1684px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="1702px"><tspan class="fg-ansi256-010 bold">note</tspan><tspan>: required by a bound in `Flatten`</tspan>
+    <tspan x="10px" y="1702px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">/</tspan><tspan>     hm.into_iter()</tspan>
 </tspan>
-    <tspan x="10px" y="1720px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$SRC_DIR/core/src/iter/adapters/flatten.rs:LL:COL</tspan>
+    <tspan x="10px" y="1720px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .map(|(is_true, ts)| {</tspan>
 </tspan>
-    <tspan x="10px" y="1738px">
+    <tspan x="10px" y="1738px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>             ts.into_iter()</tspan>
 </tspan>
-    <tspan x="10px" y="1756px"><tspan class="fg-ansi256-009 bold">error[E0599]</tspan><tspan class="bold">: the method `collect` exists for struct `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:29:8: 29:23}&gt;&gt;`, but its trait bounds were not satisfied</tspan>
+    <tspan x="10px" y="1756px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                 .map(|t| (is_true, t))</tspan>
 </tspan>
-    <tspan x="10px" y="1774px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:35:4</tspan>
+    <tspan x="10px" y="1774px"><tspan class="fg-ansi256-012 bold">...</tspan><tspan>  </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="1792px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="1792px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .flatten()</tspan>
 </tspan>
-    <tspan x="10px" y="1810px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">/</tspan><tspan>     hm.into_iter()</tspan>
+    <tspan x="10px" y="1810px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .collect()</tspan>
 </tspan>
-    <tspan x="10px" y="1828px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .map(|(is_true, ts)| {</tspan>
+    <tspan x="10px" y="1828px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         </tspan><tspan class="fg-ansi256-012 bold">-</tspan><tspan class="fg-ansi256-009 bold">^^^^^^^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">method cannot be called due to unsatisfied trait bounds</tspan>
 </tspan>
-    <tspan x="10px" y="1846px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>             ts.into_iter()</tspan>
+    <tspan x="10px" y="1846px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|_________|</tspan>
 </tspan>
-    <tspan x="10px" y="1864px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                 .map(|t| (is_true, t))</tspan>
+    <tspan x="10px" y="1864px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="1882px"><tspan class="fg-ansi256-012 bold">...</tspan><tspan>  </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="1882px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="1900px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .flatten()</tspan>
+    <tspan x="10px" y="1900px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: the following trait bounds were not satisfied:</tspan>
 </tspan>
-    <tspan x="10px" y="1918px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .collect()</tspan>
+    <tspan x="10px" y="1918px"><tspan>           `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:29:8: 29:23}&gt;&gt;: Iterator`</tspan>
 </tspan>
-    <tspan x="10px" y="1936px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         </tspan><tspan class="fg-ansi256-012 bold">-</tspan><tspan class="fg-ansi256-009 bold">^^^^^^^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">method cannot be called due to unsatisfied trait bounds</tspan>
+    <tspan x="10px" y="1936px"><tspan>           which is required by `&amp;mut Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:29:8: 29:23}&gt;&gt;: Iterator`</tspan>
 </tspan>
-    <tspan x="10px" y="1954px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|_________|</tspan>
+    <tspan x="10px" y="1954px">
 </tspan>
-    <tspan x="10px" y="1972px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="1972px"><tspan class="fg-ansi256-009 bold">error[E0277]</tspan><tspan class="bold">: `(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
 </tspan>
-    <tspan x="10px" y="1990px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="1990px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:43:7</tspan>
 </tspan>
-    <tspan x="10px" y="2008px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: the following trait bounds were not satisfied:</tspan>
+    <tspan x="10px" y="2008px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="2026px"><tspan>           `&lt;Flatten&lt;Map&lt;std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:31:10: 31:13}&gt;&gt; as IntoIterator&gt;::IntoIter = _`</tspan>
+    <tspan x="10px" y="2026px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>             }).flatten()</tspan>
 </tspan>
-    <tspan x="10px" y="2044px"><tspan>           which is required by `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:29:8: 29:23}&gt;&gt;: Iterator`</tspan>
+    <tspan x="10px" y="2044px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                </tspan><tspan class="fg-ansi256-009 bold">^^^^^^^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">`(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
 </tspan>
-    <tspan x="10px" y="2062px"><tspan>           `&lt;Flatten&lt;Map&lt;std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:31:10: 31:13}&gt;&gt; as IntoIterator&gt;::Item = _`</tspan>
+    <tspan x="10px" y="2062px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="2080px"><tspan>           which is required by `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:29:8: 29:23}&gt;&gt;: Iterator`</tspan>
+    <tspan x="10px" y="2080px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">help</tspan><tspan>: the trait `Iterator` is not implemented for `(bool, HashSet&lt;u8&gt;)`</tspan>
 </tspan>
-    <tspan x="10px" y="2098px"><tspan>           `Flatten&lt;Map&lt;std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:31:10: 31:13}&gt;&gt;: IntoIterator`</tspan>
+    <tspan x="10px" y="2098px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: required for `(bool, HashSet&lt;u8&gt;)` to implement `IntoIterator`</tspan>
 </tspan>
-    <tspan x="10px" y="2116px"><tspan>           which is required by `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:29:8: 29:23}&gt;&gt;: Iterator`</tspan>
+    <tspan x="10px" y="2116px"><tspan class="fg-ansi256-010 bold">note</tspan><tspan>: required by a bound in `flatten`</tspan>
 </tspan>
-    <tspan x="10px" y="2134px"><tspan>           `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:29:8: 29:23}&gt;&gt;: Iterator`</tspan>
+    <tspan x="10px" y="2134px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL</tspan>
 </tspan>
-    <tspan x="10px" y="2152px"><tspan>           which is required by `&amp;mut Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:29:8: 29:23}&gt;&gt;: Iterator`</tspan>
+    <tspan x="10px" y="2152px"><tspan class="fg-ansi256-014 bold">help</tspan><tspan>: consider removing this method call, as the receiver has type `std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;` and `std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;: Iterator` trivially holds</tspan>
 </tspan>
-    <tspan x="10px" y="2170px">
+    <tspan x="10px" y="2170px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="2188px"><tspan class="fg-ansi256-009 bold">error[E0277]</tspan><tspan class="bold">: `(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
+    <tspan x="10px" y="2188px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-009">- </tspan><tspan>            ts.into_iter()</tspan><tspan class="fg-ansi256-009">.map(|t| {</tspan>
 </tspan>
-    <tspan x="10px" y="2206px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:43:7</tspan>
+    <tspan x="10px" y="2206px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-009">-                 (is_true, t)</tspan>
 </tspan>
-    <tspan x="10px" y="2224px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="2224px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-009">-             })</tspan><tspan>.flatten()</tspan>
 </tspan>
-    <tspan x="10px" y="2242px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>             }).flatten()</tspan>
+    <tspan x="10px" y="2242px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-010">+ </tspan><tspan>            ts.into_iter().flatten()</tspan>
 </tspan>
-    <tspan x="10px" y="2260px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                </tspan><tspan class="fg-ansi256-009 bold">^^^^^^^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">`(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
+    <tspan x="10px" y="2260px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="2278px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="2278px">
 </tspan>
-    <tspan x="10px" y="2296px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">help</tspan><tspan>: the trait `Iterator` is not implemented for `(bool, HashSet&lt;u8&gt;)`</tspan>
+    <tspan x="10px" y="2296px"><tspan class="fg-ansi256-009 bold">error[E0277]</tspan><tspan class="bold">: `(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
 </tspan>
-    <tspan x="10px" y="2314px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: required for `(bool, HashSet&lt;u8&gt;)` to implement `IntoIterator`</tspan>
+    <tspan x="10px" y="2314px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:39:2</tspan>
 </tspan>
-    <tspan x="10px" y="2332px"><tspan class="fg-ansi256-010 bold">note</tspan><tspan>: required by a bound in `flatten`</tspan>
+    <tspan x="10px" y="2332px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="2350px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL</tspan>
+    <tspan x="10px" y="2350px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">/</tspan><tspan>     hm.into_iter()</tspan>
 </tspan>
-    <tspan x="10px" y="2368px"><tspan class="fg-ansi256-014 bold">help</tspan><tspan>: consider removing this method call, as the receiver has type `std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;` and `std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;: Iterator` trivially holds</tspan>
+    <tspan x="10px" y="2368px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>         .map(|(is_true, ts)| {</tspan>
 </tspan>
-    <tspan x="10px" y="2386px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="2386px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>             ts.into_iter().map(|t| {</tspan>
 </tspan>
-    <tspan x="10px" y="2404px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-009">- </tspan><tspan>            ts.into_iter()</tspan><tspan class="fg-ansi256-009">.map(|t| {</tspan>
+    <tspan x="10px" y="2404px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>                 (is_true, t)</tspan>
 </tspan>
-    <tspan x="10px" y="2422px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-009">-                 (is_true, t)</tspan>
+    <tspan x="10px" y="2422px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>             }).flatten()</tspan>
 </tspan>
-    <tspan x="10px" y="2440px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-009">-             })</tspan><tspan>.flatten()</tspan>
+    <tspan x="10px" y="2440px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>         })</tspan>
 </tspan>
-    <tspan x="10px" y="2458px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-010">+ </tspan><tspan>            ts.into_iter().flatten()</tspan>
+    <tspan x="10px" y="2458px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|__________^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">`(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
 </tspan>
     <tspan x="10px" y="2476px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="2494px">
+    <tspan x="10px" y="2494px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">help</tspan><tspan>: the trait `Iterator` is not implemented for `(bool, HashSet&lt;u8&gt;)`</tspan>
 </tspan>
-    <tspan x="10px" y="2512px"><tspan class="fg-ansi256-009 bold">error[E0277]</tspan><tspan class="bold">: `(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
+    <tspan x="10px" y="2512px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: required for `(bool, HashSet&lt;u8&gt;)` to implement `IntoIterator`</tspan>
 </tspan>
-    <tspan x="10px" y="2530px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:39:2</tspan>
+    <tspan x="10px" y="2530px"><tspan class="fg-ansi256-010 bold">note</tspan><tspan>: required by a bound in `Flatten`</tspan>
 </tspan>
-    <tspan x="10px" y="2548px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="2548px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$SRC_DIR/core/src/iter/adapters/flatten.rs:LL:COL</tspan>
 </tspan>
-    <tspan x="10px" y="2566px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">/</tspan><tspan>     hm.into_iter()</tspan>
+    <tspan x="10px" y="2566px">
 </tspan>
-    <tspan x="10px" y="2584px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>         .map(|(is_true, ts)| {</tspan>
+    <tspan x="10px" y="2584px"><tspan class="fg-ansi256-009 bold">error[E0599]</tspan><tspan class="bold">: the method `collect` exists for struct `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:40:8: 40:23}&gt;&gt;`, but its trait bounds were not satisfied</tspan>
 </tspan>
-    <tspan x="10px" y="2602px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>             ts.into_iter().map(|t| {</tspan>
+    <tspan x="10px" y="2602px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:46:4</tspan>
 </tspan>
-    <tspan x="10px" y="2620px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>                 (is_true, t)</tspan>
+    <tspan x="10px" y="2620px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="2638px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>             }).flatten()</tspan>
+    <tspan x="10px" y="2638px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">/</tspan><tspan>     hm.into_iter()</tspan>
 </tspan>
-    <tspan x="10px" y="2656px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>         })</tspan>
+    <tspan x="10px" y="2656px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .map(|(is_true, ts)| {</tspan>
 </tspan>
-    <tspan x="10px" y="2674px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|__________^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">`(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
+    <tspan x="10px" y="2674px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>             ts.into_iter().map(|t| {</tspan>
 </tspan>
-    <tspan x="10px" y="2692px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="2692px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                 (is_true, t)</tspan>
 </tspan>
-    <tspan x="10px" y="2710px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">help</tspan><tspan>: the trait `Iterator` is not implemented for `(bool, HashSet&lt;u8&gt;)`</tspan>
+    <tspan x="10px" y="2710px"><tspan class="fg-ansi256-012 bold">...</tspan><tspan>  </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="2728px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: required for `(bool, HashSet&lt;u8&gt;)` to implement `IntoIterator`</tspan>
+    <tspan x="10px" y="2728px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .flatten()</tspan>
 </tspan>
-    <tspan x="10px" y="2746px"><tspan class="fg-ansi256-010 bold">note</tspan><tspan>: required by a bound in `Flatten`</tspan>
+    <tspan x="10px" y="2746px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .collect()</tspan>
 </tspan>
-    <tspan x="10px" y="2764px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$SRC_DIR/core/src/iter/adapters/flatten.rs:LL:COL</tspan>
+    <tspan x="10px" y="2764px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         </tspan><tspan class="fg-ansi256-012 bold">-</tspan><tspan class="fg-ansi256-009 bold">^^^^^^^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">method cannot be called due to unsatisfied trait bounds</tspan>
 </tspan>
-    <tspan x="10px" y="2782px">
+    <tspan x="10px" y="2782px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|_________|</tspan>
 </tspan>
-    <tspan x="10px" y="2800px"><tspan class="fg-ansi256-009 bold">error[E0599]</tspan><tspan class="bold">: the method `collect` exists for struct `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:40:8: 40:23}&gt;&gt;`, but its trait bounds were not satisfied</tspan>
+    <tspan x="10px" y="2800px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="2818px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:46:4</tspan>
+    <tspan x="10px" y="2818px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="2836px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="2836px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: the following trait bounds were not satisfied:</tspan>
 </tspan>
-    <tspan x="10px" y="2854px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">/</tspan><tspan>     hm.into_iter()</tspan>
+    <tspan x="10px" y="2854px"><tspan>           `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:40:8: 40:23}&gt;&gt;: Iterator`</tspan>
 </tspan>
-    <tspan x="10px" y="2872px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .map(|(is_true, ts)| {</tspan>
+    <tspan x="10px" y="2872px"><tspan>           which is required by `&amp;mut Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:40:8: 40:23}&gt;&gt;: Iterator`</tspan>
 </tspan>
-    <tspan x="10px" y="2890px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>             ts.into_iter().map(|t| {</tspan>
+    <tspan x="10px" y="2890px">
 </tspan>
-    <tspan x="10px" y="2908px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                 (is_true, t)</tspan>
+    <tspan x="10px" y="2908px"><tspan class="fg-ansi256-009 bold">error[E0277]</tspan><tspan class="bold">: `(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
 </tspan>
-    <tspan x="10px" y="2926px"><tspan class="fg-ansi256-012 bold">...</tspan><tspan>  </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="2926px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:53:28</tspan>
 </tspan>
-    <tspan x="10px" y="2944px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .flatten()</tspan>
+    <tspan x="10px" y="2944px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="2962px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .collect()</tspan>
+    <tspan x="10px" y="2962px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                 .map(|t| (is_true, t)).flatten()</tspan>
 </tspan>
-    <tspan x="10px" y="2980px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         </tspan><tspan class="fg-ansi256-012 bold">-</tspan><tspan class="fg-ansi256-009 bold">^^^^^^^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">method cannot be called due to unsatisfied trait bounds</tspan>
+    <tspan x="10px" y="2980px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                                        </tspan><tspan class="fg-ansi256-009 bold">^^^^^^^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">`(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
 </tspan>
-    <tspan x="10px" y="2998px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|_________|</tspan>
+    <tspan x="10px" y="2998px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="3016px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="3016px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">help</tspan><tspan>: the trait `Iterator` is not implemented for `(bool, HashSet&lt;u8&gt;)`</tspan>
 </tspan>
-    <tspan x="10px" y="3034px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="3034px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: required for `(bool, HashSet&lt;u8&gt;)` to implement `IntoIterator`</tspan>
 </tspan>
-    <tspan x="10px" y="3052px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: the following trait bounds were not satisfied:</tspan>
+    <tspan x="10px" y="3052px"><tspan class="fg-ansi256-010 bold">note</tspan><tspan>: required by a bound in `flatten`</tspan>
 </tspan>
-    <tspan x="10px" y="3070px"><tspan>           `&lt;Flatten&lt;Map&lt;std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:41:23: 41:26}&gt;&gt; as IntoIterator&gt;::IntoIter = _`</tspan>
+    <tspan x="10px" y="3070px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL</tspan>
 </tspan>
-    <tspan x="10px" y="3088px"><tspan>           which is required by `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:40:8: 40:23}&gt;&gt;: Iterator`</tspan>
+    <tspan x="10px" y="3088px"><tspan class="fg-ansi256-014 bold">help</tspan><tspan>: consider removing this method call, as the receiver has type `std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;` and `std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;: Iterator` trivially holds</tspan>
 </tspan>
-    <tspan x="10px" y="3106px"><tspan>           `&lt;Flatten&lt;Map&lt;std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:41:23: 41:26}&gt;&gt; as IntoIterator&gt;::Item = _`</tspan>
+    <tspan x="10px" y="3106px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="3124px"><tspan>           which is required by `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:40:8: 40:23}&gt;&gt;: Iterator`</tspan>
+    <tspan x="10px" y="3124px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-009">- </tspan><tspan>            ts.into_iter()</tspan>
 </tspan>
-    <tspan x="10px" y="3142px"><tspan>           `Flatten&lt;Map&lt;std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:41:23: 41:26}&gt;&gt;: IntoIterator`</tspan>
+    <tspan x="10px" y="3142px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-009">-                 .map(|t| (is_true, t))</tspan><tspan>.flatten()</tspan>
 </tspan>
-    <tspan x="10px" y="3160px"><tspan>           which is required by `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:40:8: 40:23}&gt;&gt;: Iterator`</tspan>
+    <tspan x="10px" y="3160px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-010">+ </tspan><tspan>            ts.into_iter().flatten()</tspan>
 </tspan>
-    <tspan x="10px" y="3178px"><tspan>           `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:40:8: 40:23}&gt;&gt;: Iterator`</tspan>
+    <tspan x="10px" y="3178px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="3196px"><tspan>           which is required by `&amp;mut Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:40:8: 40:23}&gt;&gt;: Iterator`</tspan>
+    <tspan x="10px" y="3196px">
 </tspan>
-    <tspan x="10px" y="3214px">
+    <tspan x="10px" y="3214px"><tspan class="fg-ansi256-009 bold">error[E0277]</tspan><tspan class="bold">: `(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
 </tspan>
-    <tspan x="10px" y="3232px"><tspan class="fg-ansi256-009 bold">error[E0277]</tspan><tspan class="bold">: `(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
+    <tspan x="10px" y="3232px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:50:2</tspan>
 </tspan>
-    <tspan x="10px" y="3250px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:53:28</tspan>
+    <tspan x="10px" y="3250px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="3268px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="3268px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">/</tspan><tspan>     hm.into_iter()</tspan>
 </tspan>
-    <tspan x="10px" y="3286px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                 .map(|t| (is_true, t)).flatten()</tspan>
+    <tspan x="10px" y="3286px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>         .map(|(is_true, ts)| {</tspan>
 </tspan>
-    <tspan x="10px" y="3304px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                                        </tspan><tspan class="fg-ansi256-009 bold">^^^^^^^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">`(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
+    <tspan x="10px" y="3304px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>             ts.into_iter()</tspan>
 </tspan>
-    <tspan x="10px" y="3322px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="3322px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>                 .map(|t| (is_true, t)).flatten()</tspan>
 </tspan>
-    <tspan x="10px" y="3340px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">help</tspan><tspan>: the trait `Iterator` is not implemented for `(bool, HashSet&lt;u8&gt;)`</tspan>
+    <tspan x="10px" y="3340px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>         })</tspan>
 </tspan>
-    <tspan x="10px" y="3358px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: required for `(bool, HashSet&lt;u8&gt;)` to implement `IntoIterator`</tspan>
+    <tspan x="10px" y="3358px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|__________^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">`(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
 </tspan>
-    <tspan x="10px" y="3376px"><tspan class="fg-ansi256-010 bold">note</tspan><tspan>: required by a bound in `flatten`</tspan>
+    <tspan x="10px" y="3376px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="3394px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL</tspan>
+    <tspan x="10px" y="3394px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">help</tspan><tspan>: the trait `Iterator` is not implemented for `(bool, HashSet&lt;u8&gt;)`</tspan>
 </tspan>
-    <tspan x="10px" y="3412px"><tspan class="fg-ansi256-014 bold">help</tspan><tspan>: consider removing this method call, as the receiver has type `std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;` and `std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;: Iterator` trivially holds</tspan>
+    <tspan x="10px" y="3412px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: required for `(bool, HashSet&lt;u8&gt;)` to implement `IntoIterator`</tspan>
 </tspan>
-    <tspan x="10px" y="3430px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="3430px"><tspan class="fg-ansi256-010 bold">note</tspan><tspan>: required by a bound in `Flatten`</tspan>
 </tspan>
-    <tspan x="10px" y="3448px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-009">- </tspan><tspan>            ts.into_iter()</tspan>
+    <tspan x="10px" y="3448px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$SRC_DIR/core/src/iter/adapters/flatten.rs:LL:COL</tspan>
 </tspan>
-    <tspan x="10px" y="3466px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-009">-                 .map(|t| (is_true, t))</tspan><tspan>.flatten()</tspan>
+    <tspan x="10px" y="3466px">
 </tspan>
-    <tspan x="10px" y="3484px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-010">+ </tspan><tspan>            ts.into_iter().flatten()</tspan>
+    <tspan x="10px" y="3484px"><tspan class="fg-ansi256-009 bold">error[E0599]</tspan><tspan class="bold">: the method `collect` exists for struct `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:51:8: 51:23}&gt;&gt;`, but its trait bounds were not satisfied</tspan>
 </tspan>
-    <tspan x="10px" y="3502px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="3502px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:56:4</tspan>
 </tspan>
-    <tspan x="10px" y="3520px">
+    <tspan x="10px" y="3520px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="3538px"><tspan class="fg-ansi256-009 bold">error[E0277]</tspan><tspan class="bold">: `(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
+    <tspan x="10px" y="3538px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">/</tspan><tspan>     hm.into_iter()</tspan>
 </tspan>
-    <tspan x="10px" y="3556px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:50:2</tspan>
+    <tspan x="10px" y="3556px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .map(|(is_true, ts)| {</tspan>
 </tspan>
-    <tspan x="10px" y="3574px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="3574px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>             ts.into_iter()</tspan>
 </tspan>
-    <tspan x="10px" y="3592px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">/</tspan><tspan>     hm.into_iter()</tspan>
+    <tspan x="10px" y="3592px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                 .map(|t| (is_true, t)).flatten()</tspan>
 </tspan>
-    <tspan x="10px" y="3610px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>         .map(|(is_true, ts)| {</tspan>
+    <tspan x="10px" y="3610px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         })</tspan>
 </tspan>
-    <tspan x="10px" y="3628px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>             ts.into_iter()</tspan>
+    <tspan x="10px" y="3628px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .flatten()</tspan>
 </tspan>
-    <tspan x="10px" y="3646px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>                 .map(|t| (is_true, t)).flatten()</tspan>
+    <tspan x="10px" y="3646px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .collect()</tspan>
 </tspan>
-    <tspan x="10px" y="3664px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|</tspan><tspan>         })</tspan>
+    <tspan x="10px" y="3664px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         </tspan><tspan class="fg-ansi256-012 bold">-</tspan><tspan class="fg-ansi256-009 bold">^^^^^^^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">method cannot be called due to unsatisfied trait bounds</tspan>
 </tspan>
-    <tspan x="10px" y="3682px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">|__________^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">`(bool, HashSet&lt;u8&gt;)` is not an iterator</tspan>
+    <tspan x="10px" y="3682px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|_________|</tspan>
 </tspan>
     <tspan x="10px" y="3700px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="3718px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">help</tspan><tspan>: the trait `Iterator` is not implemented for `(bool, HashSet&lt;u8&gt;)`</tspan>
+    <tspan x="10px" y="3718px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
 </tspan>
-    <tspan x="10px" y="3736px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: required for `(bool, HashSet&lt;u8&gt;)` to implement `IntoIterator`</tspan>
+    <tspan x="10px" y="3736px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: the following trait bounds were not satisfied:</tspan>
 </tspan>
-    <tspan x="10px" y="3754px"><tspan class="fg-ansi256-010 bold">note</tspan><tspan>: required by a bound in `Flatten`</tspan>
+    <tspan x="10px" y="3754px"><tspan>           `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:51:8: 51:23}&gt;&gt;: Iterator`</tspan>
 </tspan>
-    <tspan x="10px" y="3772px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$SRC_DIR/core/src/iter/adapters/flatten.rs:LL:COL</tspan>
+    <tspan x="10px" y="3772px"><tspan>           which is required by `&amp;mut Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:51:8: 51:23}&gt;&gt;: Iterator`</tspan>
 </tspan>
     <tspan x="10px" y="3790px">
 </tspan>
-    <tspan x="10px" y="3808px"><tspan class="fg-ansi256-009 bold">error[E0599]</tspan><tspan class="bold">: the method `collect` exists for struct `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:51:8: 51:23}&gt;&gt;`, but its trait bounds were not satisfied</tspan>
+    <tspan x="10px" y="3808px"><tspan class="fg-ansi256-009 bold">error</tspan><tspan class="bold">: aborting due to 12 previous errors</tspan>
 </tspan>
-    <tspan x="10px" y="3826px"><tspan>  </tspan><tspan class="fg-ansi256-012 bold">--&gt; </tspan><tspan>$DIR/multiline-removal-suggestion.rs:56:4</tspan>
+    <tspan x="10px" y="3826px">
 </tspan>
-    <tspan x="10px" y="3844px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
+    <tspan x="10px" y="3844px"><tspan class="bold">Some errors have detailed explanations: E0277, E0599.</tspan>
 </tspan>
-    <tspan x="10px" y="3862px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">/</tspan><tspan>     hm.into_iter()</tspan>
+    <tspan x="10px" y="3862px"><tspan class="bold">For more information about an error, try `rustc --explain E0277`.</tspan>
 </tspan>
-    <tspan x="10px" y="3880px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .map(|(is_true, ts)| {</tspan>
-</tspan>
-    <tspan x="10px" y="3898px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>             ts.into_iter()</tspan>
-</tspan>
-    <tspan x="10px" y="3916px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>                 .map(|t| (is_true, t)).flatten()</tspan>
-</tspan>
-    <tspan x="10px" y="3934px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         })</tspan>
-</tspan>
-    <tspan x="10px" y="3952px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .flatten()</tspan>
-</tspan>
-    <tspan x="10px" y="3970px"><tspan class="fg-ansi256-012 bold">LL</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         .collect()</tspan>
-</tspan>
-    <tspan x="10px" y="3988px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan>         </tspan><tspan class="fg-ansi256-012 bold">-</tspan><tspan class="fg-ansi256-009 bold">^^^^^^^</tspan><tspan> </tspan><tspan class="fg-ansi256-009 bold">method cannot be called due to unsatisfied trait bounds</tspan>
-</tspan>
-    <tspan x="10px" y="4006px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan><tspan> </tspan><tspan class="fg-ansi256-012 bold">|_________|</tspan>
-</tspan>
-    <tspan x="10px" y="4024px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
-</tspan>
-    <tspan x="10px" y="4042px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">|</tspan>
-</tspan>
-    <tspan x="10px" y="4060px"><tspan>   </tspan><tspan class="fg-ansi256-012 bold">= </tspan><tspan class="bold">note</tspan><tspan>: the following trait bounds were not satisfied:</tspan>
-</tspan>
-    <tspan x="10px" y="4078px"><tspan>           `&lt;Flatten&lt;Map&lt;std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:53:10: 53:13}&gt;&gt; as IntoIterator&gt;::IntoIter = _`</tspan>
-</tspan>
-    <tspan x="10px" y="4096px"><tspan>           which is required by `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:51:8: 51:23}&gt;&gt;: Iterator`</tspan>
-</tspan>
-    <tspan x="10px" y="4114px"><tspan>           `&lt;Flatten&lt;Map&lt;std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:53:10: 53:13}&gt;&gt; as IntoIterator&gt;::Item = _`</tspan>
-</tspan>
-    <tspan x="10px" y="4132px"><tspan>           which is required by `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:51:8: 51:23}&gt;&gt;: Iterator`</tspan>
-</tspan>
-    <tspan x="10px" y="4150px"><tspan>           `Flatten&lt;Map&lt;std::vec::IntoIter&lt;HashSet&lt;u8&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:53:10: 53:13}&gt;&gt;: IntoIterator`</tspan>
-</tspan>
-    <tspan x="10px" y="4168px"><tspan>           which is required by `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:51:8: 51:23}&gt;&gt;: Iterator`</tspan>
-</tspan>
-    <tspan x="10px" y="4186px"><tspan>           `Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:51:8: 51:23}&gt;&gt;: Iterator`</tspan>
-</tspan>
-    <tspan x="10px" y="4204px"><tspan>           which is required by `&amp;mut Flatten&lt;Map&lt;std::collections::hash_map::IntoIter&lt;bool, Vec&lt;HashSet&lt;u8&gt;&gt;&gt;, {closure@$DIR/multiline-removal-suggestion.rs:51:8: 51:23}&gt;&gt;: Iterator`</tspan>
-</tspan>
-    <tspan x="10px" y="4222px">
-</tspan>
-    <tspan x="10px" y="4240px"><tspan class="fg-ansi256-009 bold">error</tspan><tspan class="bold">: aborting due to 12 previous errors</tspan>
-</tspan>
-    <tspan x="10px" y="4258px">
-</tspan>
-    <tspan x="10px" y="4276px"><tspan class="bold">Some errors have detailed explanations: E0277, E0599.</tspan>
-</tspan>
-    <tspan x="10px" y="4294px"><tspan class="bold">For more information about an error, try `rustc --explain E0277`.</tspan>
-</tspan>
-    <tspan x="10px" y="4312px">
+    <tspan x="10px" y="3880px">
 </tspan>
   </text>
 
diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs
index e5dae4c0069..c2653dd82a9 100644
--- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs
+++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs
@@ -917,50 +917,50 @@ mod no_builtins {
 
 #[recursion_limit="0200"]
 //~^ WARN crate-level attribute should be an inner attribute
-//~| HELP add a `!`
 mod recursion_limit {
+    //~^ NOTE This attribute does not have an `!`, which means it is applied to this module
     mod inner { #![recursion_limit="0200"] }
-//~^ WARN crate-level attribute should be in the root module
+//~^ WARN the `#![recursion_limit]` attribute can only be used at the crate root
 
     #[recursion_limit="0200"] fn f() { }
     //~^ WARN crate-level attribute should be an inner attribute
-    //~| HELP add a `!`
+    //~| NOTE This attribute does not have an `!`, which means it is applied to this function
 
     #[recursion_limit="0200"] struct S;
     //~^ WARN crate-level attribute should be an inner attribute
-    //~| HELP add a `!`
+    //~| NOTE This attribute does not have an `!`, which means it is applied to this struct
 
     #[recursion_limit="0200"] type T = S;
     //~^ WARN crate-level attribute should be an inner attribute
-    //~| HELP add a `!`
+    //~| NOTE This attribute does not have an `!`, which means it is applied to this type alias
 
     #[recursion_limit="0200"] impl S { }
     //~^ WARN crate-level attribute should be an inner attribute
-    //~| HELP add a `!`
+    //~| NOTE This attribute does not have an `!`, which means it is applied to this implementation block
 }
 
 #[type_length_limit="0100"]
 //~^ WARN crate-level attribute should be an inner attribute
-//~| HELP add a `!`
 mod type_length_limit {
+    //~^ NOTE This attribute does not have an `!`, which means it is applied to this module
     mod inner { #![type_length_limit="0100"] }
-//~^ WARN crate-level attribute should be in the root module
+//~^ WARN the `#![type_length_limit]` attribute can only be used at the crate root
 
     #[type_length_limit="0100"] fn f() { }
     //~^ WARN crate-level attribute should be an inner attribute
-    //~| HELP add a `!`
+    //~| NOTE This attribute does not have an `!`, which means it is applied to this function
 
     #[type_length_limit="0100"] struct S;
     //~^ WARN crate-level attribute should be an inner attribute
-    //~| HELP add a `!`
+    //~| NOTE This attribute does not have an `!`, which means it is applied to this struct
 
     #[type_length_limit="0100"] type T = S;
     //~^ WARN crate-level attribute should be an inner attribute
-    //~| HELP add a `!`
+    //~| NOTE This attribute does not have an `!`, which means it is applied to this type alias
 
     #[type_length_limit="0100"] impl S { }
     //~^ WARN crate-level attribute should be an inner attribute
-    //~| HELP add a `!`
+    //~| NOTE This attribute does not have an `!`, which means it is applied to this implementation block
 }
 
 fn main() {}
diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr
index ef74a00e5a1..4a3520972bf 100644
--- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr
+++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr
@@ -291,28 +291,6 @@ help: add a `!`
 LL | #![no_builtins]
    |  +
 
-warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:918:1
-   |
-LL | #[recursion_limit="0200"]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: add a `!`
-   |
-LL | #![recursion_limit="0200"]
-   |  +
-
-warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:942:1
-   |
-LL | #[type_length_limit="0100"]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: add a `!`
-   |
-LL | #![type_length_limit="0100"]
-   |  +
-
 warning: attribute should be applied to an `extern` block with non-Rust ABI
   --> $DIR/issue-43106-gating-of-builtin-attrs.rs:72:1
    |
@@ -757,106 +735,6 @@ help: add a `!`
 LL |     #![no_builtins] impl S { }
    |      +
 
-warning: crate-level attribute should be in the root module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:922:17
-   |
-LL |     mod inner { #![recursion_limit="0200"] }
-   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:925:5
-   |
-LL |     #[recursion_limit="0200"] fn f() { }
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: add a `!`
-   |
-LL |     #![recursion_limit="0200"] fn f() { }
-   |      +
-
-warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:929:5
-   |
-LL |     #[recursion_limit="0200"] struct S;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: add a `!`
-   |
-LL |     #![recursion_limit="0200"] struct S;
-   |      +
-
-warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:933:5
-   |
-LL |     #[recursion_limit="0200"] type T = S;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: add a `!`
-   |
-LL |     #![recursion_limit="0200"] type T = S;
-   |      +
-
-warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:937:5
-   |
-LL |     #[recursion_limit="0200"] impl S { }
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: add a `!`
-   |
-LL |     #![recursion_limit="0200"] impl S { }
-   |      +
-
-warning: crate-level attribute should be in the root module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:946:17
-   |
-LL |     mod inner { #![type_length_limit="0100"] }
-   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:949:5
-   |
-LL |     #[type_length_limit="0100"] fn f() { }
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: add a `!`
-   |
-LL |     #![type_length_limit="0100"] fn f() { }
-   |      +
-
-warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:953:5
-   |
-LL |     #[type_length_limit="0100"] struct S;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: add a `!`
-   |
-LL |     #![type_length_limit="0100"] struct S;
-   |      +
-
-warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:957:5
-   |
-LL |     #[type_length_limit="0100"] type T = S;
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: add a `!`
-   |
-LL |     #![type_length_limit="0100"] type T = S;
-   |      +
-
-warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:961:5
-   |
-LL |     #[type_length_limit="0100"] impl S { }
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-help: add a `!`
-   |
-LL |     #![type_length_limit="0100"] impl S { }
-   |      +
-
 warning: `#[macro_use]` attribute cannot be used on functions
   --> $DIR/issue-43106-gating-of-builtin-attrs.rs:191:5
    |
@@ -1476,6 +1354,146 @@ note: This attribute does not have an `!`, which means it is applied to this imp
 LL |     #[crate_name = "0900"] impl S { }
    |                            ^^^^^^^^^^
 
+warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![recursion_limit]`
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:918:1
+   |
+LL | #[recursion_limit="0200"]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: This attribute does not have an `!`, which means it is applied to this module
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:920:1
+   |
+LL | / mod recursion_limit {
+LL | |
+LL | |     mod inner { #![recursion_limit="0200"] }
+...  |
+LL | | }
+   | |_^
+
+warning: the `#![recursion_limit]` attribute can only be used at the crate root
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:922:17
+   |
+LL |     mod inner { #![recursion_limit="0200"] }
+   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![recursion_limit]`
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:925:5
+   |
+LL |     #[recursion_limit="0200"] fn f() { }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: This attribute does not have an `!`, which means it is applied to this function
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:925:31
+   |
+LL |     #[recursion_limit="0200"] fn f() { }
+   |                               ^^^^^^^^^^
+
+warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![recursion_limit]`
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:929:5
+   |
+LL |     #[recursion_limit="0200"] struct S;
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: This attribute does not have an `!`, which means it is applied to this struct
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:929:31
+   |
+LL |     #[recursion_limit="0200"] struct S;
+   |                               ^^^^^^^^^
+
+warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![recursion_limit]`
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:933:5
+   |
+LL |     #[recursion_limit="0200"] type T = S;
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: This attribute does not have an `!`, which means it is applied to this type alias
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:933:31
+   |
+LL |     #[recursion_limit="0200"] type T = S;
+   |                               ^^^^^^^^^^^
+
+warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![recursion_limit]`
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:937:5
+   |
+LL |     #[recursion_limit="0200"] impl S { }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: This attribute does not have an `!`, which means it is applied to this implementation block
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:937:31
+   |
+LL |     #[recursion_limit="0200"] impl S { }
+   |                               ^^^^^^^^^^
+
+warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![type_length_limit]`
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:942:1
+   |
+LL | #[type_length_limit="0100"]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: This attribute does not have an `!`, which means it is applied to this module
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:944:1
+   |
+LL | / mod type_length_limit {
+LL | |
+LL | |     mod inner { #![type_length_limit="0100"] }
+...  |
+LL | | }
+   | |_^
+
+warning: the `#![type_length_limit]` attribute can only be used at the crate root
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:946:17
+   |
+LL |     mod inner { #![type_length_limit="0100"] }
+   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![type_length_limit]`
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:949:5
+   |
+LL |     #[type_length_limit="0100"] fn f() { }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: This attribute does not have an `!`, which means it is applied to this function
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:949:33
+   |
+LL |     #[type_length_limit="0100"] fn f() { }
+   |                                 ^^^^^^^^^^
+
+warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![type_length_limit]`
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:953:5
+   |
+LL |     #[type_length_limit="0100"] struct S;
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: This attribute does not have an `!`, which means it is applied to this struct
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:953:33
+   |
+LL |     #[type_length_limit="0100"] struct S;
+   |                                 ^^^^^^^^^
+
+warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![type_length_limit]`
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:957:5
+   |
+LL |     #[type_length_limit="0100"] type T = S;
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: This attribute does not have an `!`, which means it is applied to this type alias
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:957:33
+   |
+LL |     #[type_length_limit="0100"] type T = S;
+   |                                 ^^^^^^^^^^^
+
+warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![type_length_limit]`
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:961:5
+   |
+LL |     #[type_length_limit="0100"] impl S { }
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: This attribute does not have an `!`, which means it is applied to this implementation block
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:961:33
+   |
+LL |     #[type_length_limit="0100"] impl S { }
+   |                                 ^^^^^^^^^^
+
 warning: `#[should_panic]` attribute cannot be used on crates
   --> $DIR/issue-43106-gating-of-builtin-attrs.rs:50:1
    |
diff --git a/tests/ui/impl-trait/recursive-in-exhaustiveness.next.stderr b/tests/ui/impl-trait/recursive-in-exhaustiveness.next.stderr
index 45df8cc9c0c..10e8dbf41cc 100644
--- a/tests/ui/impl-trait/recursive-in-exhaustiveness.next.stderr
+++ b/tests/ui/impl-trait/recursive-in-exhaustiveness.next.stderr
@@ -1,14 +1,24 @@
-error[E0282]: type annotations needed
-  --> $DIR/recursive-in-exhaustiveness.rs:19:17
+error[E0282]: type annotations needed for `(_,)`
+  --> $DIR/recursive-in-exhaustiveness.rs:19:9
    |
 LL |     let (x,) = (build(x),);
-   |                 ^^^^^^^^ cannot infer type
+   |         ^^^^
+   |
+help: consider giving this pattern a type, where the placeholders `_` are specified
+   |
+LL |     let (x,): (_,) = (build(x),);
+   |             ++++++
 
-error[E0282]: type annotations needed
-  --> $DIR/recursive-in-exhaustiveness.rs:29:17
+error[E0282]: type annotations needed for `((_,),)`
+  --> $DIR/recursive-in-exhaustiveness.rs:29:9
    |
 LL |     let (x,) = (build2(x),);
-   |                 ^^^^^^^^^ cannot infer type
+   |         ^^^^
+   |
+help: consider giving this pattern a type, where the placeholders `_` are specified
+   |
+LL |     let (x,): ((_,),) = (build2(x),);
+   |             +++++++++
 
 error[E0282]: type annotations needed
   --> $DIR/recursive-in-exhaustiveness.rs:40:5
diff --git a/tests/ui/limits/huge-array-simple-64.stderr b/tests/ui/limits/huge-array-simple-64.full-debuginfo.stderr
index 46df288d4f7..8ce93ab1884 100644
--- a/tests/ui/limits/huge-array-simple-64.stderr
+++ b/tests/ui/limits/huge-array-simple-64.full-debuginfo.stderr
@@ -1,5 +1,5 @@
 error: values of the type `[u8; 2305843011361177600]` are too big for the target architecture
-  --> $DIR/huge-array-simple-64.rs:7:9
+  --> $DIR/huge-array-simple-64.rs:12:9
    |
 LL |     let _fat: [u8; (1<<61)+(1<<31)] =
    |         ^^^^
diff --git a/tests/ui/limits/huge-array-simple-64.no-debuginfo.stderr b/tests/ui/limits/huge-array-simple-64.no-debuginfo.stderr
new file mode 100644
index 00000000000..8ce93ab1884
--- /dev/null
+++ b/tests/ui/limits/huge-array-simple-64.no-debuginfo.stderr
@@ -0,0 +1,8 @@
+error: values of the type `[u8; 2305843011361177600]` are too big for the target architecture
+  --> $DIR/huge-array-simple-64.rs:12:9
+   |
+LL |     let _fat: [u8; (1<<61)+(1<<31)] =
+   |         ^^^^
+
+error: aborting due to 1 previous error
+
diff --git a/tests/ui/limits/huge-array-simple-64.rs b/tests/ui/limits/huge-array-simple-64.rs
index d2838e0d41e..0c000940062 100644
--- a/tests/ui/limits/huge-array-simple-64.rs
+++ b/tests/ui/limits/huge-array-simple-64.rs
@@ -1,3 +1,8 @@
+// FIXME(#61117): Remove revisions once x86_64-gnu-debug CI job sets rust.debuginfo-level-tests=2
+// NOTE: The .stderr for both revisions shall be identical.
+//@ revisions: no-debuginfo full-debuginfo
+//@[no-debuginfo] compile-flags: -Cdebuginfo=0
+//@[full-debuginfo] compile-flags: -Cdebuginfo=2
 //@ build-fail
 //@ ignore-32bit
 
diff --git a/tests/ui/limits/huge-array.stderr b/tests/ui/limits/huge-array.full-debuginfo.stderr
index ce0c0d650c2..0a9c8c67ce9 100644
--- a/tests/ui/limits/huge-array.stderr
+++ b/tests/ui/limits/huge-array.full-debuginfo.stderr
@@ -1,5 +1,5 @@
 error: values of the type `[[u8; 1518599999]; 1518600000]` are too big for the target architecture
-  --> $DIR/huge-array.rs:4:9
+  --> $DIR/huge-array.rs:9:9
    |
 LL |     let s: [T; 1518600000] = [t; 1518600000];
    |         ^
diff --git a/tests/ui/limits/huge-array.no-debuginfo.stderr b/tests/ui/limits/huge-array.no-debuginfo.stderr
new file mode 100644
index 00000000000..0a9c8c67ce9
--- /dev/null
+++ b/tests/ui/limits/huge-array.no-debuginfo.stderr
@@ -0,0 +1,8 @@
+error: values of the type `[[u8; 1518599999]; 1518600000]` are too big for the target architecture
+  --> $DIR/huge-array.rs:9:9
+   |
+LL |     let s: [T; 1518600000] = [t; 1518600000];
+   |         ^
+
+error: aborting due to 1 previous error
+
diff --git a/tests/ui/limits/huge-array.rs b/tests/ui/limits/huge-array.rs
index 97cfd1ff8fb..0cf59027694 100644
--- a/tests/ui/limits/huge-array.rs
+++ b/tests/ui/limits/huge-array.rs
@@ -1,3 +1,8 @@
+// FIXME(#61117): Remove revisions once x86_64-gnu-debug CI job sets rust.debuginfo-level-tests=2
+// NOTE: The .stderr for both revisions shall be identical.
+//@ revisions: no-debuginfo full-debuginfo
+//@[no-debuginfo] compile-flags: -Cdebuginfo=0
+//@[full-debuginfo] compile-flags: -Cdebuginfo=2
 //@ build-fail
 
 fn generic<T: Copy>(t: T) {
diff --git a/tests/ui/limits/issue-15919-64.stderr b/tests/ui/limits/issue-15919-64.full-debuginfo.stderr
index cd443f2065b..54434675d25 100644
--- a/tests/ui/limits/issue-15919-64.stderr
+++ b/tests/ui/limits/issue-15919-64.full-debuginfo.stderr
@@ -1,5 +1,5 @@
 error: values of the type `[usize; usize::MAX]` are too big for the target architecture
-  --> $DIR/issue-15919-64.rs:5:9
+  --> $DIR/issue-15919-64.rs:10:9
    |
 LL |     let x = [0usize; 0xffff_ffff_ffff_ffff];
    |         ^
diff --git a/tests/ui/limits/issue-15919-64.no-debuginfo.stderr b/tests/ui/limits/issue-15919-64.no-debuginfo.stderr
new file mode 100644
index 00000000000..54434675d25
--- /dev/null
+++ b/tests/ui/limits/issue-15919-64.no-debuginfo.stderr
@@ -0,0 +1,8 @@
+error: values of the type `[usize; usize::MAX]` are too big for the target architecture
+  --> $DIR/issue-15919-64.rs:10:9
+   |
+LL |     let x = [0usize; 0xffff_ffff_ffff_ffff];
+   |         ^
+
+error: aborting due to 1 previous error
+
diff --git a/tests/ui/limits/issue-15919-64.rs b/tests/ui/limits/issue-15919-64.rs
index 7e6200882a9..c1eee1d95ba 100644
--- a/tests/ui/limits/issue-15919-64.rs
+++ b/tests/ui/limits/issue-15919-64.rs
@@ -1,3 +1,8 @@
+// FIXME(#61117): Remove revisions once x86_64-gnu-debug CI job sets rust.debuginfo-level-tests=2
+// NOTE: The .stderr for both revisions shall be identical.
+//@ revisions: no-debuginfo full-debuginfo
+//@[no-debuginfo] compile-flags: -Cdebuginfo=0
+//@[full-debuginfo] compile-flags: -Cdebuginfo=2
 //@ build-fail
 //@ ignore-32bit
 
diff --git a/tests/ui/lint/unused/unused-attr-duplicate.stderr b/tests/ui/lint/unused/unused-attr-duplicate.stderr
index 203211d0d56..076a08ac6f2 100644
--- a/tests/ui/lint/unused/unused-attr-duplicate.stderr
+++ b/tests/ui/lint/unused/unused-attr-duplicate.stderr
@@ -29,32 +29,6 @@ LL | #[no_link]
    | ^^^^^^^^^^
 
 error: unused attribute
-  --> $DIR/unused-attr-duplicate.rs:21:1
-   |
-LL | #![recursion_limit = "256"]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
-   |
-note: attribute also specified here
-  --> $DIR/unused-attr-duplicate.rs:20:1
-   |
-LL | #![recursion_limit = "128"]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
-
-error: unused attribute
-  --> $DIR/unused-attr-duplicate.rs:24:1
-   |
-LL | #![type_length_limit = "1"]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
-   |
-note: attribute also specified here
-  --> $DIR/unused-attr-duplicate.rs:23:1
-   |
-LL | #![type_length_limit = "1048576"]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
-
-error: unused attribute
   --> $DIR/unused-attr-duplicate.rs:27:1
    |
 LL | #![no_std]
@@ -305,6 +279,32 @@ LL | #![crate_name = "unused_attr_duplicate"]
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 error: unused attribute
+  --> $DIR/unused-attr-duplicate.rs:21:1
+   |
+LL | #![recursion_limit = "256"]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
+   |
+note: attribute also specified here
+  --> $DIR/unused-attr-duplicate.rs:20:1
+   |
+LL | #![recursion_limit = "128"]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+
+error: unused attribute
+  --> $DIR/unused-attr-duplicate.rs:24:1
+   |
+LL | #![type_length_limit = "1"]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
+   |
+note: attribute also specified here
+  --> $DIR/unused-attr-duplicate.rs:23:1
+   |
+LL | #![type_length_limit = "1048576"]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+
+error: unused attribute
   --> $DIR/unused-attr-duplicate.rs:29:1
    |
 LL | #![no_implicit_prelude]
diff --git a/tests/ui/lint/unused/unused-attr-macro-rules.stderr b/tests/ui/lint/unused/unused-attr-macro-rules.stderr
index af64be8f6e9..0c6825026ed 100644
--- a/tests/ui/lint/unused/unused-attr-macro-rules.stderr
+++ b/tests/ui/lint/unused/unused-attr-macro-rules.stderr
@@ -1,19 +1,3 @@
-error: crate-level attribute should be an inner attribute
-  --> $DIR/unused-attr-macro-rules.rs:11:1
-   |
-LL | #[recursion_limit="1"]
-   | ^^^^^^^^^^^^^^^^^^^^^^
-   |
-note: the lint level is defined here
-  --> $DIR/unused-attr-macro-rules.rs:1:9
-   |
-LL | #![deny(unused_attributes)]
-   |         ^^^^^^^^^^^^^^^^^
-help: add a `!`
-   |
-LL | #![recursion_limit="1"]
-   |  +
-
 error: `#[macro_use]` attribute cannot be used on macro defs
   --> $DIR/unused-attr-macro-rules.rs:7:1
    |
@@ -22,6 +6,11 @@ LL | #[macro_use]
    |
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
    = help: `#[macro_use]` can be applied to modules, extern crates, and crates
+note: the lint level is defined here
+  --> $DIR/unused-attr-macro-rules.rs:1:9
+   |
+LL | #![deny(unused_attributes)]
+   |         ^^^^^^^^^^^^^^^^^
 
 error: `#[path]` attribute cannot be used on macro defs
   --> $DIR/unused-attr-macro-rules.rs:9:1
@@ -32,5 +21,19 @@ LL | #[path="foo"]
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
    = help: `#[path]` can only be applied to modules
 
+error: crate-level attribute should be an inner attribute: add an exclamation mark: `#![recursion_limit]`
+  --> $DIR/unused-attr-macro-rules.rs:11:1
+   |
+LL | #[recursion_limit="1"]
+   | ^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: This attribute does not have an `!`, which means it is applied to this macro def
+  --> $DIR/unused-attr-macro-rules.rs:12:1
+   |
+LL | / macro_rules! foo {
+LL | |     () => {};
+LL | | }
+   | |_^
+
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/recursion_limit/empty.rs b/tests/ui/recursion_limit/empty.rs
index 5987fa2f881..a901267d847 100644
--- a/tests/ui/recursion_limit/empty.rs
+++ b/tests/ui/recursion_limit/empty.rs
@@ -1,9 +1,7 @@
 // Test the parse error for an empty recursion_limit
 
-#![recursion_limit = ""] //~ ERROR `limit` must be a non-negative integer
-                         //~| NOTE `limit` must be a non-negative integer
-                         //~| ERROR `limit` must be a non-negative integer
-                         //~| NOTE `limit` must be a non-negative integer
-                         //~| NOTE duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+#![recursion_limit = ""]
+//~^ ERROR `limit` must be a non-negative integer
+//~| NOTE `limit` must be a non-negative integer
 
 fn main() {}
diff --git a/tests/ui/recursion_limit/empty.stderr b/tests/ui/recursion_limit/empty.stderr
index 2f730677507..9afe9e6db56 100644
--- a/tests/ui/recursion_limit/empty.stderr
+++ b/tests/ui/recursion_limit/empty.stderr
@@ -6,15 +6,5 @@ LL | #![recursion_limit = ""]
    |                      |
    |                      `limit` must be a non-negative integer
 
-error: `limit` must be a non-negative integer
-  --> $DIR/empty.rs:3:1
-   |
-LL | #![recursion_limit = ""]
-   | ^^^^^^^^^^^^^^^^^^^^^--^
-   |                      |
-   |                      `limit` must be a non-negative integer
-   |
-   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
-
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
diff --git a/tests/ui/recursion_limit/invalid_digit.rs b/tests/ui/recursion_limit/invalid_digit.rs
index 79d8f3708ba..1d0e6a18227 100644
--- a/tests/ui/recursion_limit/invalid_digit.rs
+++ b/tests/ui/recursion_limit/invalid_digit.rs
@@ -1,8 +1,6 @@
 // Test the parse error for an invalid digit in recursion_limit
 
-#![recursion_limit = "-100"] //~ ERROR `limit` must be a non-negative integer
-                             //~| NOTE not a valid integer
-                             //~| ERROR `limit` must be a non-negative integer
-                             //~| NOTE not a valid integer
-                             //~| NOTE duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+#![recursion_limit = "-100"]
+//~^ ERROR `limit` must be a non-negative integer
+//~| NOTE not a valid integer
 fn main() {}
diff --git a/tests/ui/recursion_limit/invalid_digit.stderr b/tests/ui/recursion_limit/invalid_digit.stderr
index 4fda3039032..9c2d1422df2 100644
--- a/tests/ui/recursion_limit/invalid_digit.stderr
+++ b/tests/ui/recursion_limit/invalid_digit.stderr
@@ -6,15 +6,5 @@ LL | #![recursion_limit = "-100"]
    |                      |
    |                      not a valid integer
 
-error: `limit` must be a non-negative integer
-  --> $DIR/invalid_digit.rs:3:1
-   |
-LL | #![recursion_limit = "-100"]
-   | ^^^^^^^^^^^^^^^^^^^^^------^
-   |                      |
-   |                      not a valid integer
-   |
-   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
-
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
diff --git a/tests/ui/recursion_limit/invalid_digit_type.stderr b/tests/ui/recursion_limit/invalid_digit_type.stderr
index a122262f1df..489e8bd82c2 100644
--- a/tests/ui/recursion_limit/invalid_digit_type.stderr
+++ b/tests/ui/recursion_limit/invalid_digit_type.stderr
@@ -1,10 +1,14 @@
-error: malformed `recursion_limit` attribute input
+error[E0539]: malformed `recursion_limit` attribute input
   --> $DIR/invalid_digit_type.rs:1:1
    |
 LL | #![recursion_limit = 123]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#![recursion_limit = "N"]`
+   | ^^^^^^^^^^^^^^^^^^^^^---^
+   | |                    |
+   | |                    expected a string literal here
+   | help: must be of the form: `#![recursion_limit = "N"]`
    |
    = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/limits.html#the-recursion_limit-attribute>
 
 error: aborting due to 1 previous error
 
+For more information about this error, try `rustc --explain E0539`.
diff --git a/tests/ui/recursion_limit/invalid_macro.rs b/tests/ui/recursion_limit/invalid_macro.rs
index 7db67a8d162..eae348523db 100644
--- a/tests/ui/recursion_limit/invalid_macro.rs
+++ b/tests/ui/recursion_limit/invalid_macro.rs
@@ -1,4 +1,4 @@
-#![recursion_limit = foo!()] //~ ERROR malformed `recursion_limit` attribute
+#![recursion_limit = foo!()] //~ ERROR attribute value must be a literal
 
 macro_rules! foo {
     () => {"128"};
diff --git a/tests/ui/recursion_limit/invalid_macro.stderr b/tests/ui/recursion_limit/invalid_macro.stderr
index b4dbc9fcb13..de1df3e9a35 100644
--- a/tests/ui/recursion_limit/invalid_macro.stderr
+++ b/tests/ui/recursion_limit/invalid_macro.stderr
@@ -1,10 +1,8 @@
-error: malformed `recursion_limit` attribute input
-  --> $DIR/invalid_macro.rs:1:1
+error: attribute value must be a literal
+  --> $DIR/invalid_macro.rs:1:22
    |
 LL | #![recursion_limit = foo!()]
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#![recursion_limit = "N"]`
-   |
-   = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/limits.html#the-recursion_limit-attribute>
+   |                      ^^^^^^
 
 error: aborting due to 1 previous error
 
diff --git a/tests/ui/recursion_limit/no-value.stderr b/tests/ui/recursion_limit/no-value.stderr
index 4a0ad04f271..eafc50bafb4 100644
--- a/tests/ui/recursion_limit/no-value.stderr
+++ b/tests/ui/recursion_limit/no-value.stderr
@@ -1,4 +1,4 @@
-error: malformed `recursion_limit` attribute input
+error[E0539]: malformed `recursion_limit` attribute input
   --> $DIR/no-value.rs:3:1
    |
 LL | #![recursion_limit]
@@ -8,3 +8,4 @@ LL | #![recursion_limit]
 
 error: aborting due to 1 previous error
 
+For more information about this error, try `rustc --explain E0539`.
diff --git a/tests/ui/recursion_limit/overflow.rs b/tests/ui/recursion_limit/overflow.rs
index 7cd1d572e09..24cb8e286a8 100644
--- a/tests/ui/recursion_limit/overflow.rs
+++ b/tests/ui/recursion_limit/overflow.rs
@@ -3,8 +3,5 @@
 #![recursion_limit = "999999999999999999999999"]
 //~^ ERROR `limit` must be a non-negative integer
 //~| NOTE `limit` is too large
-//~| ERROR `limit` must be a non-negative integer
-//~| NOTE `limit` is too large
-//~| NOTE duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
 
 fn main() {}
diff --git a/tests/ui/recursion_limit/overflow.stderr b/tests/ui/recursion_limit/overflow.stderr
index 6057177deb2..5a8548b7c7f 100644
--- a/tests/ui/recursion_limit/overflow.stderr
+++ b/tests/ui/recursion_limit/overflow.stderr
@@ -6,15 +6,5 @@ LL | #![recursion_limit = "999999999999999999999999"]
    |                      |
    |                      `limit` is too large
 
-error: `limit` must be a non-negative integer
-  --> $DIR/overflow.rs:3:1
-   |
-LL | #![recursion_limit = "999999999999999999999999"]
-   | ^^^^^^^^^^^^^^^^^^^^^--------------------------^
-   |                      |
-   |                      `limit` is too large
-   |
-   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
-
-error: aborting due to 2 previous errors
+error: aborting due to 1 previous error
 
diff --git a/tests/ui/type-alias-impl-trait/fallback.rs b/tests/ui/type-alias-impl-trait/fallback.rs
deleted file mode 100644
index a2f25acca0d..00000000000
--- a/tests/ui/type-alias-impl-trait/fallback.rs
+++ /dev/null
@@ -1,29 +0,0 @@
-// Tests that we correctly handle opaque types being used opaquely,
-// even within their defining scope.
-//
-#![feature(type_alias_impl_trait)]
-
-type Foo = impl Copy;
-
-enum Wrapper<T> {
-    First(T),
-    Second,
-}
-
-// This method constrains `Foo` to be `bool`
-#[define_opaque(Foo)]
-fn constrained_foo() -> Foo {
-    true
-}
-
-// This method does not constrain `Foo`.
-// Per RFC 2071, function bodies may either
-// fully constrain an opaque type, or place no
-// constraints on it.
-#[define_opaque(Foo)]
-fn unconstrained_foo() -> Wrapper<Foo> {
-    Wrapper::Second
-    //~^ ERROR: type annotations needed
-}
-
-fn main() {}
diff --git a/tests/ui/type-alias-impl-trait/fallback.stderr b/tests/ui/type-alias-impl-trait/fallback.stderr
deleted file mode 100644
index 1eb0afb13a8..00000000000
--- a/tests/ui/type-alias-impl-trait/fallback.stderr
+++ /dev/null
@@ -1,20 +0,0 @@
-error[E0283]: type annotations needed
-  --> $DIR/fallback.rs:25:5
-   |
-LL | fn unconstrained_foo() -> Wrapper<Foo> {
-   |                           ------------ type must be known at this point
-LL |     Wrapper::Second
-   |     ^^^^^^^^^^^^^^^
-   |     |
-   |     cannot infer type of the type parameter `T` declared on the enum `Wrapper`
-   |     return type was inferred to be `Wrapper<_>` here
-   |
-   = note: cannot satisfy `_: Copy`
-help: consider specifying the generic argument
-   |
-LL |     Wrapper::<T>::Second
-   |            +++++
-
-error: aborting due to 1 previous error
-
-For more information about this error, try `rustc --explain E0283`.
diff --git a/tests/ui/type/type-name-basic.rs b/tests/ui/type/type-name-basic.rs
index 343bcae175a..2c41cb80aea 100644
--- a/tests/ui/type/type-name-basic.rs
+++ b/tests/ui/type/type-name-basic.rs
@@ -107,4 +107,19 @@ pub fn main() {
     }
     let a = Wrap(&()).get();
     v!(a, "type_name_basic::main::Wrap<&()>::get::Info");
+
+    struct Issue146249<T>(T);
+    impl Issue146249<Box<dyn FnOnce()>> {
+        pub fn bar(&self) {
+            let f = || {};
+            v!(
+                f,
+                "type_name_basic::main::Issue146249<\
+                    alloc::boxed::Box<dyn core::ops::function::FnOnce()>\
+                >::bar::{{closure}}"
+            );
+        }
+    }
+    let v: Issue146249<Box<dyn FnOnce()>> = Issue146249(Box::new(|| {}));
+    v.bar();
 }