Merge tag 'debian/1.52.1+dfsg1-1_exp2' into proxmox/buster

[rustc.git] / src / test / ui / traits / impl-of-supertrait-has-wrong-lifetime-parameters.stderr

diff --git a/src/test/ui/traits/impl-of-supertrait-has-wrong-lifetime-parameters.stderr b/src/test/ui/traits/impl-of-supertrait-has-wrong-lifetime-parameters.stderr
new file mode 100644 (file)
index 0000000..539a56f
--- /dev/null
+++ b/src/test/ui/traits/impl-of-supertrait-has-wrong-lifetime-parameters.stderr
@@ -0,0 +1,27 @@
+error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'b` due to conflicting requirements
+  --> $DIR/impl-of-supertrait-has-wrong-lifetime-parameters.rs:24:13
+   |
+LL | impl<'a,'b> T2<'a, 'b> for S<'a, 'b> {
+   |             ^^^^^^^^^^
+   |
+note: first, the lifetime cannot outlive the lifetime `'a` as defined on the impl at 24:6...
+  --> $DIR/impl-of-supertrait-has-wrong-lifetime-parameters.rs:24:6
+   |
+LL | impl<'a,'b> T2<'a, 'b> for S<'a, 'b> {
+   |      ^^
+note: ...but the lifetime must also be valid for the lifetime `'b` as defined on the impl at 24:9...
+  --> $DIR/impl-of-supertrait-has-wrong-lifetime-parameters.rs:24:9
+   |
+LL | impl<'a,'b> T2<'a, 'b> for S<'a, 'b> {
+   |         ^^
+note: ...so that the types are compatible
+  --> $DIR/impl-of-supertrait-has-wrong-lifetime-parameters.rs:24:13
+   |
+LL | impl<'a,'b> T2<'a, 'b> for S<'a, 'b> {
+   |             ^^^^^^^^^^
+   = note: expected `T1<'a>`
+              found `T1<'_>`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0495`.