Tweak "non-primitive cast" error

[rust.git] / src / test / ui / mismatched_types / issue-26480.stderr

diff --git a/src/test/ui/mismatched_types/issue-26480.stderr b/src/test/ui/mismatched_types/issue-26480.stderr
index d4dcb9a39a403898a4207b58c7dd35bdd2fcc751..d39b0a3207763a37eb1f89165afd06be0bd5dcca 100644 (file)
--- a/src/test/ui/mismatched_types/issue-26480.stderr
+++ b/src/test/ui/mismatched_types/issue-26480.stderr
@@ -7,6 +7,7 @@ LL |                   $arr.len() * size_of($arr[0]));
 LL |     write!(hello);
    |     -------------- in this macro invocation
    |
+   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
 help: you can convert an `usize` to `u64` and panic if the converted value wouldn't fit
    |
 LL |                   ($arr.len() * size_of($arr[0])).try_into().unwrap());
@@ -16,12 +17,12 @@ error[E0605]: non-primitive cast: `{integer}` as `()`
   --> $DIR/issue-26480.rs:22:19
    |
 LL |     ($x:expr) => ($x as ())
-   |                   ^^^^^^^^
+   |                   ^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
 ...
 LL |     cast!(2);
    |     --------- in this macro invocation
    |
-   = note: an `as` expression can only be used to convert between primitive types. Consider using the `From` trait
+   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: aborting due to 2 previous errors