Update ui test suite to nightly-2021-10-07

Author: dtolnay

.github/workflows/ci.yml

@@ -18,6 +18,7 @@ jobs:
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{matrix.rust}}
+          components: rust-src
       - run: cargo test
       - run: cargo check --no-default-features
       - run: cargo check --features backtrace

rust-toolchain.toml

@@ -0,0 +1,2 @@
+[toolchain]
+components = ["rust-src"]

tests/ui/no-impl.stderr

@@ -1,21 +1,41 @@
 error[E0599]: the method `anyhow_kind` exists for reference `&Error`, but its trait bounds were not satisfied
- --> $DIR/no-impl.rs:7:13
-  |
-4 | struct Error;
-  | -------------
-  | |
-  | doesn't satisfy `Error: Into<anyhow::Error>`
-  | doesn't satisfy `Error: anyhow::private::kind::TraitKind`
-  | doesn't satisfy `Error: std::fmt::Display`
+   --> $DIR/tests/ui/no-impl.rs:7:13
+    |
+4   | struct Error;
+    | -------------
+    | |
+    | doesn't satisfy `Error: Into<anyhow::Error>`
+    | doesn't satisfy `Error: anyhow::private::kind::TraitKind`
+    | doesn't satisfy `Error: std::fmt::Display`
 ...
-7 |     let _ = anyhow!(Error);
-  |             ^^^^^^^^^^^^^^ method cannot be called on `&Error` due to unsatisfied trait bounds
-  |
-  = note: the following trait bounds were not satisfied:
-          `Error: Into<anyhow::Error>`
-          which is required by `Error: anyhow::private::kind::TraitKind`
-          `Error: std::fmt::Display`
-          which is required by `&Error: anyhow::private::kind::AdhocKind`
-          `&Error: Into<anyhow::Error>`
-          which is required by `&Error: anyhow::private::kind::TraitKind`
-  = note: this error originates in the macro `anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)
+7   |     let _ = anyhow!(Error);
+    |             ^^^^^^^^^^^^^^ method cannot be called on `&Error` due to unsatisfied trait bounds
+    |
+    = note: the following trait bounds were not satisfied:
+            `Error: Into<anyhow::Error>`
+            which is required by `Error: anyhow::private::kind::TraitKind`
+            `Error: std::fmt::Display`
+            which is required by `&Error: anyhow::private::kind::AdhocKind`
+            `&Error: Into<anyhow::Error>`
+            which is required by `&Error: anyhow::private::kind::TraitKind`
+note: the following traits must be implemented
+   --> $RUST/core/src/convert/mod.rs
+    |
+    | / pub trait Into<T>: Sized {
+    | |     /// Performs the conversion.
+    | |     #[stable(feature = "rust1", since = "1.0.0")]
+    | |     fn into(self) -> T;
+    | | }
+    | |_^
+    |
+   ::: $RUST/core/src/fmt/mod.rs
+    |
+    | / pub trait Display {
+    | |     /// Formats the value using the given formatter.
+    | |     ///
+    | |     /// # Examples
+...   |
+    | |     fn fmt(&self, f: &mut Formatter<'_>) -> Result;
+    | | }
+    | |_^
+    = note: this error originates in the macro `anyhow` (in Nightly builds, run with -Z macro-backtrace for more info)