tests: ui: compile-fail: fix stderr

tests/ui/compile-fail/init/colon_instead_of_arrow.stderr

@@ -14,4 +14,7 @@ error[E0308]: mismatched types
            found opaque type `impl pinned_init::PinInit<Bar>`
 note: function defined here
   --> $RUST/core/src/ptr/mod.rs
+   |
+   | pub const unsafe fn write<T>(dst: *mut T, src: T) {
+   |                     ^^^^^
    = note: this error originates in the macro `$crate::__init_internal` which comes from the expansion of the macro `pin_init` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/compile-fail/init/field_value_wrong_type.stderr

@@ -9,4 +9,7 @@ error[E0308]: mismatched types
   |
 note: function defined here
  --> $RUST/core/src/ptr/mod.rs
+  |
+  | pub const unsafe fn write<T>(dst: *mut T, src: T) {
+  |                     ^^^^^
   = note: this error originates in the macro `$crate::__init_internal` which comes from the expansion of the macro `init` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/compile-fail/init/missing_comma_with_zeroable.stderr

@@ -31,6 +31,9 @@ error[E0308]: mismatched types
             found struct `std::ops::Range<{integer}>`
 note: function defined here
   --> $RUST/core/src/ptr/mod.rs
+   |
+   | pub const unsafe fn write<T>(dst: *mut T, src: T) {
+   |                     ^^^^^
    = note: this error originates in the macro `$crate::__init_internal` which comes from the expansion of the macro `init` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0063]: missing field `b` in initializer of `Foo`

tests/ui/compile-fail/init/wrong_generics2.stderr

@@ -71,4 +71,7 @@ error[E0061]: this function takes 2 arguments but 3 arguments were supplied
   |
 note: function defined here
  --> $RUST/core/src/ptr/mod.rs
+  |
+  | pub const unsafe fn write<T>(dst: *mut T, src: T) {
+  |                     ^^^^^
   = note: this error originates in the macro `$crate::__init_internal` which comes from the expansion of the macro `init` (in Nightly builds, run with -Z macro-backtrace for more info)

tests/ui/compile-fail/pin_data/missing_comma.rs

@@ -0,0 +1,7 @@
+use pinned_init::*;
+
+#[pin_data]
+struct Foo {
+    a: Box<Foo>
+    b: Box<Foo>
+}

tests/ui/compile-fail/pin_data/missing_comma.stderr

@@ -0,0 +1,14 @@
+error: expected `,`, or `}`, found `b`
+ --> tests/ui/compile-fail/pin_data/missing_comma.rs:5:16
+  |
+5 |     a: Box<Foo>
+  |                ^ help: try adding a comma: `,`
+
+error: recursion limit reached while expanding `$crate::__pin_data!`
+ --> tests/ui/compile-fail/pin_data/missing_comma.rs:3:1
+  |
+3 | #[pin_data]
+  | ^^^^^^^^^^^
+  |
+  = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`$CRATE`)
+  = note: this error originates in the macro `$crate::__pin_data` which comes from the expansion of the attribute macro `pin_data` (in Nightly builds, run with -Z macro-backtrace for more info)