fix ui tests

tests/ui/colon_instead_of_arrow.stderr

@@ -13,12 +13,12 @@ error[E0308]: mismatched types
      = note:   expected struct `Bar`
              found opaque type `impl pinned_init::PinInit<Bar>`
 note: function defined here
-    --> $RUSTC_SRC/library/core/src/ptr/mod.rs:1360:21
+    --> $RUSTC_SRC/library/core/src/ptr/mod.rs:1484:21
      |
-1360 | pub const unsafe fn write<T>(dst: *mut T, src: T) {
+1484 | pub const unsafe fn write<T>(dst: *mut T, src: T) {
      |                     ^^^^^
      = note: this error originates in the macro `$crate::try_pin_init` which comes from the expansion of the macro `pin_init` (in Nightly builds, run with -Z macro-backtrace for more info)
 
-error: aborting due to previous error
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0308`.

tests/ui/missing_pin_data.stderr

@@ -11,7 +11,12 @@ error[E0599]: no associated item named `__pin_data` found for struct `Foo` in th
    = note: the following trait defines an item `__pin_data`, perhaps you need to implement it:
            candidate #1: `HasPinData`
    = note: this error originates in the macro `$crate::try_pin_init` which comes from the expansion of the macro `pin_init` (in Nightly builds, run with -Z macro-backtrace for more info)
+help: there is an associated function `__init_data` with a similar name
+  --> $SRC_DIR/src/lib.rs:697:39
+   |
+697|             $t$(::<$($generics),*>)?::__init_data()
+   |                                       ~~~~~~~~~~~
 
-error: aborting due to previous error
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0599`.

tests/ui/no_error_coercion.stderr

@@ -5,7 +5,7 @@ error[E0277]: `?` couldn't convert the error to `std::alloc::AllocError`
 18 | |             a: Box::new(42),
 19 | |             bar <- init!(Bar { b: 42 }),
 20 | |         })
-   | |__________^ the trait `From<Infallible>` is not implemented for `std::alloc::AllocError`
+   | |__________^ the trait `From<Infallible>` is not implemented for `std::alloc::AllocError`, which is required by `Result<Foo::new::__InitOk, std::alloc::AllocError>: FromResidual<Result<Infallible, Infallible>>`
    |
    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
    = help: the following other types implement trait `FromResidual<R>`:
@@ -14,6 +14,6 @@ error[E0277]: `?` couldn't convert the error to `std::alloc::AllocError`
    = note: required for `Result<Foo::new::__InitOk, std::alloc::AllocError>` to implement `FromResidual<Result<Infallible, Infallible>>`
    = note: this error originates in the macro `$crate::try_init` which comes from the expansion of the macro `try_init` (in Nightly builds, run with -Z macro-backtrace for more info)
 
-error: aborting due to previous error
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0277`.

tests/ui/no_pin_data_but_pinned_drop.stderr

@@ -5,11 +5,11 @@ error[E0277]: the trait bound `Foo: HasPinData` is not satisfied
      |                     ^^^ the trait `HasPinData` is not implemented for `Foo`
      |
 note: required by a bound in `PinnedDrop`
-    --> $SRC_DIR/src/lib.rs:1432:30
+    --> $SRC_DIR/src/lib.rs:1428:30
      |
-1432 | pub unsafe trait PinnedDrop: __internal::HasPinData {
+1428 | pub unsafe trait PinnedDrop: __internal::HasPinData {
      |                              ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `PinnedDrop`
 
-error: aborting due to previous error
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0277`.

tests/ui/pin_data_but_drop.stderr

@@ -9,6 +9,6 @@ error[E0119]: conflicting implementations of trait `MustNotImplDrop` for type `F
   |
   = 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)
 
-error: aborting due to previous error
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0119`.

tests/ui/useless_pinned_drop.stderr

@@ -9,6 +9,6 @@ error[E0119]: conflicting implementations of trait `UselessPinnedDropImpl_you_ne
   |
   = 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)
 
-error: aborting due to previous error
+error: aborting due to 1 previous error
 
 For more information about this error, try `rustc --explain E0119`.