Add test

tests/ui/inference/detect-old-time-version-format_description-parse.rs

@@ -0,0 +1,8 @@
+#![crate_name = "time"]
+
+fn main() {
+    let items = Box::new(vec![]); //~ ERROR E0282
+    //~^ NOTE type must be known at this point
+    //~| NOTE this is an inference error on crate `time` caused by a change in Rust 1.80.0; update `time` to version `>=0.3.36`
+    items.into();
+}

tests/ui/inference/detect-old-time-version-format_description-parse.stderr

@@ -0,0 +1,11 @@
+error[E0282]: type annotations needed for `Box<Vec<_>>`
+  --> $DIR/detect-old-time-version-format_description-parse.rs:4:9
+   |
+LL |     let items = Box::new(vec![]);
+   |         ^^^^^   ---------------- type must be known at this point
+   |
+   = note: this is an inference error on crate `time` caused by a change in Rust 1.80.0; update `time` to version `>=0.3.36`
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0282`.