diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9f8dba124..6aa5e9dc4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,6 +4,8 @@ on:
   push:
     branches: [master]
   pull_request:
+  schedule:
+    - cron: '0 9 * * MON'
 
 env:
   CARGO_TERM_COLOR: always
diff --git a/block2/src/global.rs b/block2/src/global.rs
index de81064a2..f56f80371 100644
--- a/block2/src/global.rs
+++ b/block2/src/global.rs
@@ -18,12 +18,13 @@ const GLOBAL_DESCRIPTOR: ffi::Block_descriptor_header = ffi::Block_descriptor_he
 /// An Objective-C block that does not capture it's environment.
 ///
 /// This is effectively just a glorified function pointer, and can created and
-/// stored in static memory using the [`global_block`][`global_block!`] macro.
+/// stored in static memory using the [`global_block!`] macro.
 ///
 /// If [`ConcreteBlock`] is the [`Fn`]-block equivalent, this is likewise the
 /// [`fn`]-block equivalent.
 ///
 /// [`ConcreteBlock`]: crate::ConcreteBlock
+/// [`global_block!`]: crate::global_block
 #[repr(C)]
 pub struct GlobalBlock<A, R = ()> {
     layout: ffi::Block_layout,
@@ -88,9 +89,9 @@ where
 
 /// Construct a static [`GlobalBlock`].
 ///
-/// The syntax is similar to a static closure. Note that the block cannot
-/// capture it's environment, and it's argument types and return type must be
-/// [`Encode`].
+/// The syntax is similar to a static closure (except that all types have to
+/// be specified). Note that the block cannot capture it's environment, and
+/// it's argument types and return type must be [`Encode`].
 ///
 /// # Examples
 ///
diff --git a/objc2/src/message/mod.rs b/objc2/src/message/mod.rs
index e765b7ff2..801e26952 100644
--- a/objc2/src/message/mod.rs
+++ b/objc2/src/message/mod.rs
@@ -287,7 +287,6 @@ macro_rules! message_args_impl {
     ($($a:ident : $t:ident),*) => (
         unsafe impl<$($t: Encode),*> MessageArguments for ($($t,)*) {
             #[inline]
-            #[doc(hidden)]
             unsafe fn __invoke<R: Encode>(imp: Imp, obj: *mut Object, sel: Sel, ($($a,)*): Self) -> R {
                 // The imp must be cast to the appropriate function pointer
                 // type before being called; the msgSend functions are not
diff --git a/tests/ui/global_block_not_encode.stderr b/tests/ui/global_block_not_encode.stderr
index 3e4c8d795..1c35bcf29 100644
--- a/tests/ui/global_block_not_encode.stderr
+++ b/tests/ui/global_block_not_encode.stderr
@@ -6,6 +6,16 @@ error[E0277]: the trait bound `Box<i32>: objc2_encode::encode::Encode` is not sa
 5 | | }
   | |_^ the trait `objc2_encode::encode::Encode` is not implemented for `Box<i32>`
   |
+  = help: the following other types implement trait `objc2_encode::encode::Encode`:
+            &'a T
+            &'a mut T
+            ()
+            *const T
+            *const c_void
+            *mut T
+            *mut c_void
+            ManuallyDrop<T>
+          and 140 others
   = note: required because of the requirements on the impl of `objc2_encode::encode::EncodeArguments` for `(Box<i32>,)`
   = note: required because of the requirements on the impl of `Sync` for `GlobalBlock<(Box<i32>,)>`
   = note: shared static variables must have a type that implements `Sync`
diff --git a/tests/ui/msg_send_not_encode.stderr b/tests/ui/msg_send_not_encode.stderr
index b9f4ba99f..7bc8d38d5 100644
--- a/tests/ui/msg_send_not_encode.stderr
+++ b/tests/ui/msg_send_not_encode.stderr
@@ -4,6 +4,16 @@ error[E0277]: the trait bound `Vec<u8>: Encode` is not satisfied
 7   |         let _: Vec<u8> = msg_send![cls, new];
     |                          ^^^^^^^^^^^^^^^^^^^ the trait `Encode` is not implemented for `Vec<u8>`
     |
+    = help: the following other types implement trait `Encode`:
+              &'a T
+              &'a mut T
+              ()
+              *const T
+              *const c_void
+              *mut T
+              *mut c_void
+              ManuallyDrop<T>
+            and 142 others
 note: required by a bound in `send_message`
    --> $WORKSPACE/objc2/src/message/mod.rs
     |
diff --git a/tests/ui/msg_send_only_message.stderr b/tests/ui/msg_send_only_message.stderr
index 6dc7ef14a..9dddfbff9 100644
--- a/tests/ui/msg_send_only_message.stderr
+++ b/tests/ui/msg_send_only_message.stderr
@@ -4,4 +4,12 @@ error[E0277]: the trait bound `{integer}: MessageReceiver` is not satisfied
 5 |     unsafe { msg_send![1, new] };
   |              ^^^^^^^^^^^^^^^^^ the trait `MessageReceiver` is not implemented for `{integer}`
   |
+  = help: the following other types implement trait `MessageReceiver`:
+            &'a T
+            &'a mut T
+            *const T
+            *mut T
+            Id<T, O>
+            ManuallyDrop<T>
+            NonNull<T>
   = note: this error originates in the macro `msg_send` (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/tests/ui/nsvalue_f32_not_eq.stderr b/tests/ui/nsvalue_f32_not_eq.stderr
index a3620d668..d604a4cbe 100644
--- a/tests/ui/nsvalue_f32_not_eq.stderr
+++ b/tests/ui/nsvalue_f32_not_eq.stderr
@@ -4,12 +4,16 @@ error[E0277]: the trait bound `f32: Eq` is not satisfied
 11 |     needs_eq::<NSValue<f32>>();
    |     ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Eq` is not implemented for `f32`
    |
-   = help: the following implementations were found:
-             <i128 as Eq>
-             <i16 as Eq>
-             <i32 as Eq>
-             <i64 as Eq>
-           and 8 others
+   = help: the following other types implement trait `Eq`:
+             i128
+             i16
+             i32
+             i64
+             i8
+             isize
+             u128
+             u16
+           and 4 others
    = note: required because of the requirements on the impl of `Eq` for `NSValue<f32>`
 note: required by a bound in `needs_eq`
   --> ui/nsvalue_f32_not_eq.rs:5:16