ui-fulldeps: adopt to the new rustc lint API

Author: WaffleLapkin

compiler/rustc_lint/src/context.rs

@@ -917,7 +917,7 @@ pub trait LintContext: Sized {
     fn lint(
         &self,
         lint: &'static Lint,
-        msg: DiagnosticMessage,
+        msg: impl Into<DiagnosticMessage>,
         decorate: impl for<'a, 'b> FnOnce(
             &'b mut DiagnosticBuilder<'a, ()>,
         ) -> &'b mut DiagnosticBuilder<'a, ()>,

src/test/ui-fulldeps/auxiliary/issue-40001-plugin.rs

@@ -49,9 +49,11 @@ impl<'tcx> LateLintPass<'tcx> for MissingAllowedAttrPass {
 
         let allowed = |attr| pprust::attribute_to_string(attr).contains("allowed_attr");
         if !cx.tcx.hir().attrs(item.hir_id()).iter().any(allowed) {
-            cx.lint(MISSING_ALLOWED_ATTR, |lint| {
-                lint.build("Missing 'allowed_attr' attribute").set_span(span).emit();
-            });
+            cx.lint(
+                MISSING_ALLOWED_ATTR,
+                "Missing 'allowed_attr' attribute",
+                |lint| lint.set_span(span)
+            );
         }
     }
 }

src/test/ui-fulldeps/auxiliary/lint-for-crate.rs

@@ -29,9 +29,11 @@ impl<'tcx> LateLintPass<'tcx> for Pass {
         let attrs = cx.tcx.hir().attrs(rustc_hir::CRATE_HIR_ID);
         let span = cx.tcx.def_span(CRATE_DEF_ID);
         if !cx.sess().contains_name(attrs, Symbol::intern("crate_okay")) {
-            cx.lint(CRATE_NOT_OKAY, |lint| {
-                lint.build("crate is not marked with #![crate_okay]").set_span(span).emit();
-            });
+            cx.lint(
+                CRATE_NOT_OKAY,
+                "crate is not marked with #![crate_okay]",
+                |lint| lint.set_span(span)
+            );
         }
     }
 }

src/test/ui-fulldeps/auxiliary/lint-group-plugin-test.rs

@@ -22,12 +22,10 @@ declare_lint_pass!(Pass => [TEST_LINT, PLEASE_LINT]);
 impl<'tcx> LateLintPass<'tcx> for Pass {
     fn check_item(&mut self, cx: &LateContext, it: &rustc_hir::Item) {
         match it.ident.as_str() {
-            "lintme" => cx.lint(TEST_LINT, |lint| {
-                lint.build("item is named 'lintme'").set_span(it.span).emit();
-            }),
-            "pleaselintme" => cx.lint(PLEASE_LINT, |lint| {
-                lint.build("item is named 'pleaselintme'").set_span(it.span).emit();
-            }),
+            "lintme" => cx.lint(TEST_LINT, "item is named 'lintme'", |lint| lint.set_span(it.span)),
+            "pleaselintme" => {
+                cx.lint(PLEASE_LINT, "item is named 'pleaselintme'", |lint| lint.set_span(it.span))
+            }
             _ => {}
         }
     }

src/test/ui-fulldeps/auxiliary/lint-plugin-test.rs

@@ -21,9 +21,7 @@ declare_lint_pass!(Pass => [TEST_LINT]);
 impl EarlyLintPass for Pass {
     fn check_item(&mut self, cx: &EarlyContext, it: &ast::Item) {
         if it.ident.name.as_str() == "lintme" {
-            cx.lint(TEST_LINT, |lint| {
-                lint.build("item is named 'lintme'").set_span(it.span).emit();
-            });
+            cx.lint(TEST_LINT, "item is named 'lintme'", |lint| lint.set_span(it.span));
         }
     }
 }

src/test/ui-fulldeps/auxiliary/lint-tool-test.rs

@@ -31,14 +31,10 @@ declare_lint_pass!(Pass => [TEST_LINT, TEST_GROUP, TEST_RUSTC_TOOL_LINT]);
 impl EarlyLintPass for Pass {
     fn check_item(&mut self, cx: &EarlyContext, it: &ast::Item) {
         if it.ident.name.as_str() == "lintme" {
-            cx.lint(TEST_LINT, |lint| {
-                lint.build("item is named 'lintme'").set_span(it.span).emit();
-            });
+            cx.lint(TEST_LINT, "item is named 'lintme'", |lint| lint.set_span(it.span));
         }
         if it.ident.name.as_str() == "lintmetoo" {
-            cx.lint(TEST_GROUP, |lint| {
-                lint.build("item is named 'lintmetoo'").set_span(it.span).emit();
-            });
+            cx.lint(TEST_GROUP, "item is named 'lintmetoo'", |lint| lint.set_span(it.span));
         }
     }
 }

src/test/ui-fulldeps/internal-lints/default_hash_types.stderr

@@ -4,12 +4,12 @@ error: prefer `FxHashMap` over `HashMap`, it has better performance
 LL |     let _map: HashMap<String, String> = HashMap::default();
    |                                         ^^^^^^^
    |
+   = note: a `use rustc_data_structures::fx::FxHashMap` may be necessary
 note: the lint level is defined here
   --> $DIR/default_hash_types.rs:4:9
    |
 LL | #![deny(rustc::default_hash_types)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
-   = note: a `use rustc_data_structures::fx::FxHashMap` may be necessary
 
 error: prefer `FxHashMap` over `HashMap`, it has better performance
   --> $DIR/default_hash_types.rs:16:15

src/test/ui-fulldeps/internal-lints/existing_doc_keyword.stderr

@@ -4,12 +4,12 @@ error: found non-existing keyword `tadam` used in `#[doc(keyword = \"...\")]`
 LL | #[doc(keyword = "tadam")]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^
    |
+   = help: only existing keywords are allowed in core/std
 note: the lint level is defined here
   --> $DIR/existing_doc_keyword.rs:8:9
    |
 LL | #![deny(rustc::existing_doc_keyword)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   = help: only existing keywords are allowed in core/std
 
 error: aborting due to previous error
 

src/test/ui-fulldeps/internal-lints/lint_pass_impl_without_macro.stderr

@@ -4,12 +4,12 @@ error: implementing `LintPass` by hand
 LL | impl LintPass for Foo {
    |      ^^^^^^^^
    |
+   = help: try using `declare_lint_pass!` or `impl_lint_pass!` instead
 note: the lint level is defined here
   --> $DIR/lint_pass_impl_without_macro.rs:4:9
    |
 LL | #![deny(rustc::lint_pass_impl_without_macro)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   = help: try using `declare_lint_pass!` or `impl_lint_pass!` instead
 
 error: implementing `LintPass` by hand
   --> $DIR/lint_pass_impl_without_macro.rs:30:14

src/test/ui-fulldeps/internal-lints/query_stability.stderr

@@ -4,12 +4,12 @@ error: using `drain` can result in unstable query results
 LL |     for _ in x.drain() {}
    |                ^^^^^
    |
+   = note: if you believe this case to be fine, allow this lint and add a comment explaining your rationale
 note: the lint level is defined here
   --> $DIR/query_stability.rs:4:9
    |
 LL | #![deny(rustc::potential_query_instability)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   = note: if you believe this case to be fine, allow this lint and add a comment explaining your rationale
 
 error: using `iter` can result in unstable query results
   --> $DIR/query_stability.rs:16:16