Auto merge of #56444 - petrochenkov:uifull, r=davidtwco

Move compile-fail-fulldeps tests to UI

cc https://github.com/rust-lang/rust/issues/53353

r? @davidtwco

src/bootstrap/builder.rs

@@ -389,7 +389,6 @@ impl<'a> Builder<'a> {
                 test::UiFullDeps,
                 test::RunPassFullDeps,
                 test::RunFailFullDeps,
-                test::CompileFailFullDeps,
                 test::Rustdoc,
                 test::Pretty,
                 test::RunPassPretty,

src/bootstrap/test.rs

@@ -832,12 +832,6 @@ host_test!(RunFailFullDeps {
     suite: "run-fail-fulldeps"
 });
 
-host_test!(CompileFailFullDeps {
-    path: "src/test/compile-fail-fulldeps",
-    mode: "compile-fail",
-    suite: "compile-fail-fulldeps"
-});
-
 host_test!(Rustdoc {
     path: "src/test/rustdoc",
     mode: "rustdoc",

src/test/compile-fail-fulldeps/auxiliary/lint_group_plugin_test.rs

@@ -1,51 +0,0 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-// force-host
-
-#![feature(plugin_registrar)]
-#![feature(box_syntax, rustc_private)]
-
-// Load rustc as a plugin to get macros
-#[macro_use]
-extern crate rustc;
-extern crate rustc_plugin;
-
-use rustc::hir;
-use rustc::lint::{LateContext, LintContext, LintPass, LateLintPass, LateLintPassObject, LintArray};
-use rustc_plugin::Registry;
-
-declare_lint!(TEST_LINT, Warn, "Warn about items named 'lintme'");
-
-declare_lint!(PLEASE_LINT, Warn, "Warn about items named 'pleaselintme'");
-
-struct Pass;
-
-impl LintPass for Pass {
-    fn get_lints(&self) -> LintArray {
-        lint_array!(TEST_LINT, PLEASE_LINT)
-    }
-}
-
-impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
-    fn check_item(&mut self, cx: &LateContext, it: &hir::Item) {
-        match &*it.name.as_str() {
-            "lintme" => cx.span_lint(TEST_LINT, it.span, "item is named 'lintme'"),
-            "pleaselintme" => cx.span_lint(PLEASE_LINT, it.span, "item is named 'pleaselintme'"),
-            _ => {}
-        }
-    }
-}
-
-#[plugin_registrar]
-pub fn plugin_registrar(reg: &mut Registry) {
-    reg.register_late_lint_pass(box Pass);
-    reg.register_lint_group("lint_me", None, vec![TEST_LINT, PLEASE_LINT]);
-}

src/test/compile-fail-fulldeps/auxiliary/lint_plugin_test.rs

@@ -1,48 +0,0 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-// force-host
-
-#![feature(plugin_registrar)]
-#![feature(box_syntax, rustc_private)]
-
-extern crate syntax;
-
-// Load rustc as a plugin to get macros
-#[macro_use]
-extern crate rustc;
-extern crate rustc_plugin;
-
-use rustc::lint::{EarlyContext, LintContext, LintPass, EarlyLintPass,
-                  EarlyLintPassObject, LintArray};
-use rustc_plugin::Registry;
-use syntax::ast;
-declare_lint!(TEST_LINT, Warn, "Warn about items named 'lintme'");
-
-struct Pass;
-
-impl LintPass for Pass {
-    fn get_lints(&self) -> LintArray {
-        lint_array!(TEST_LINT)
-    }
-}
-
-impl EarlyLintPass for Pass {
-    fn check_item(&mut self, cx: &EarlyContext, it: &ast::Item) {
-        if it.ident.name == "lintme" {
-            cx.span_lint(TEST_LINT, it.span, "item is named 'lintme'");
-        }
-    }
-}
-
-#[plugin_registrar]
-pub fn plugin_registrar(reg: &mut Registry) {
-    reg.register_early_lint_pass(box Pass as EarlyLintPassObject);
-}

src/test/compile-fail-fulldeps/auxiliary/macro_reexport_1.rs

@@ -1,15 +0,0 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-#![crate_type = "dylib"]
-#[macro_export]
-macro_rules! reexported {
-    () => ( 3 )
-}

src/test/compile-fail/proc-macro/auxiliary/derive-clona.rs

@@ -1,23 +0,0 @@
-// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-// force-host
-// no-prefer-dynamic
-
-#![crate_type = "proc-macro"]
-
-extern crate proc_macro;
-
-use proc_macro::TokenStream;
-
-#[proc_macro_derive(Clona)]
-pub fn derive_clonea(input: TokenStream) -> TokenStream {
-    "".parse().unwrap()
-}

src/test/compile-fail/proc-macro/auxiliary/derive-foo.rs

@@ -1,23 +0,0 @@
-// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-// force-host
-// no-prefer-dynamic
-
-#![crate_type = "proc-macro"]
-
-extern crate proc_macro;
-
-use proc_macro::TokenStream;
-
-#[proc_macro_derive(FooWithLongName)]
-pub fn derive_foo(input: TokenStream) -> TokenStream {
-    "".parse().unwrap()
-}

src/test/ui-fulldeps/dropck_tarena_cycle_checked.stderr

@@ -0,0 +1,13 @@
+error[E0597]: `arena` does not live long enough
+  --> $DIR/dropck_tarena_cycle_checked.rs:126:8
+   |
+LL |     f(&arena);
+   |        ^^^^^ borrowed value does not live long enough
+LL | } //~^ ERROR `arena` does not live long enough
+   | - `arena` dropped here while still borrowed
+   |
+   = note: values in a scope are dropped in the opposite order they are created
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0597`.

src/test/ui-fulldeps/dropck_tarena_unsound_drop.stderr

@@ -0,0 +1,13 @@
+error[E0597]: `arena` does not live long enough
+  --> $DIR/dropck_tarena_unsound_drop.rs:51:8
+   |
+LL |     f(&arena);
+   |        ^^^^^ borrowed value does not live long enough
+LL | } //~^ ERROR `arena` does not live long enough
+   | - `arena` dropped here while still borrowed
+   |
+   = note: values in a scope are dropped in the opposite order they are created
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0597`.

src/test/ui-fulldeps/gated-plugin.stderr

@@ -0,0 +1,11 @@
+error[E0658]: compiler plugins are experimental and possibly buggy (see issue #29597)
+  --> $DIR/gated-plugin.rs:13:1
+   |
+LL | #![plugin(macro_crate_test)]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = help: add #![feature(plugin)] to the crate attributes to enable
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0658`.

src/test/ui-fulldeps/gated-quote.stderr

@@ -0,0 +1,80 @@
+error: cannot find macro `quote_path!` in this scope
+  --> $DIR/gated-quote.rs:65:13
+   |
+LL |     let x = quote_path!(ecx, 3);
+   |             ^^^^^^^^^^
+
+error: cannot find macro `quote_meta_item!` in this scope
+  --> $DIR/gated-quote.rs:63:13
+   |
+LL |     let x = quote_meta_item!(ecx, 3);
+   |             ^^^^^^^^^^^^^^^
+
+error: cannot find macro `quote_block!` in this scope
+  --> $DIR/gated-quote.rs:61:13
+   |
+LL |     let x = quote_block!(ecx, 3);
+   |             ^^^^^^^^^^^
+
+error: cannot find macro `quote_arg!` in this scope
+  --> $DIR/gated-quote.rs:59:13
+   |
+LL |     let x = quote_arg!(ecx, 3);
+   |             ^^^^^^^^^
+
+error: cannot find macro `quote_attr!` in this scope
+  --> $DIR/gated-quote.rs:57:13
+   |
+LL |     let x = quote_attr!(ecx, 3);
+   |             ^^^^^^^^^^
+
+error: cannot find macro `quote_stmt!` in this scope
+  --> $DIR/gated-quote.rs:55:13
+   |
+LL |     let x = quote_stmt!(ecx, 3);
+   |             ^^^^^^^^^^
+
+error: cannot find macro `quote_arm!` in this scope
+  --> $DIR/gated-quote.rs:53:13
+   |
+LL |     let x = quote_arm!(ecx, 3);
+   |             ^^^^^^^^^
+
+error: cannot find macro `quote_pat!` in this scope
+  --> $DIR/gated-quote.rs:51:13
+   |
+LL |     let x = quote_pat!(ecx, 3);
+   |             ^^^^^^^^^
+
+error: cannot find macro `quote_item!` in this scope
+  --> $DIR/gated-quote.rs:49:13
+   |
+LL |     let x = quote_item!(ecx, 3);
+   |             ^^^^^^^^^^
+
+error: cannot find macro `quote_method!` in this scope
+  --> $DIR/gated-quote.rs:47:13
+   |
+LL |     let x = quote_method!(ecx, 3);
+   |             ^^^^^^^^^^^^
+
+error: cannot find macro `quote_ty!` in this scope
+  --> $DIR/gated-quote.rs:45:13
+   |
+LL |     let x = quote_ty!(ecx, 3);
+   |             ^^^^^^^^
+
+error: cannot find macro `quote_expr!` in this scope
+  --> $DIR/gated-quote.rs:43:13
+   |
+LL |     let x = quote_expr!(ecx, 3);
+   |             ^^^^^^^^^^
+
+error: cannot find macro `quote_tokens!` in this scope
+  --> $DIR/gated-quote.rs:41:13
+   |
+LL |     let x = quote_tokens!(ecx, 3);
+   |             ^^^^^^^^^^^^
+
+error: aborting due to 13 previous errors
+

src/test/ui-fulldeps/issue-15778-fail.stderr

@@ -0,0 +1,13 @@
+error: crate is not marked with #![crate_okay]
+  --> $DIR/issue-15778-fail.rs:15:1
+   |
+LL | / #![feature(plugin)] //~ ERROR crate is not marked with #![crate_okay]
+LL | | #![plugin(lint_for_crate)]
+LL | |
+LL | | pub fn main() { }
+   | |_________________^
+   |
+   = note: requested on the command line with `-D crate-not-okay`
+
+error: aborting due to previous error
+

src/test/ui-fulldeps/issue-48941.stderr

@@ -0,0 +1,14 @@
+error: expected unsuffixed literal or identifier, found a
+  --> $DIR/issue-48941.rs:20:24
+   |
+LL | #[noop_attribute("hi", rank = a)] //~ ERROR expected unsuffixed literal or identifier, found a
+   |                        ^^^^
+
+error: expected unsuffixed literal or identifier, found =
+  --> $DIR/issue-48941.rs:23:27
+   |
+LL | #[noop_attribute("/user", data= = "<user")] //~ ERROR literal or identifier
+   |                           ^^^^
+
+error: aborting due to 2 previous errors
+

src/test/ui-fulldeps/lint-group-plugin-deny-cmdline.stderr

@@ -0,0 +1,18 @@
+error: item is named 'lintme'
+  --> $DIR/lint-group-plugin-deny-cmdline.rs:18:1
+   |
+LL | fn lintme() { } //~ ERROR item is named 'lintme'
+   | ^^^^^^^^^^^^^^^
+   |
+   = note: `-D test-lint` implied by `-D lint-me`
+
+error: item is named 'pleaselintme'
+  --> $DIR/lint-group-plugin-deny-cmdline.rs:20:1
+   |
+LL | fn pleaselintme() { } //~ ERROR item is named 'pleaselintme'
+   | ^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: `-D please-lint` implied by `-D lint-me`
+
+error: aborting due to 2 previous errors
+

src/test/ui-fulldeps/lint-plugin-deny-attr.stderr

@@ -0,0 +1,14 @@
+error: item is named 'lintme'
+  --> $DIR/lint-plugin-deny-attr.rs:18:1
+   |
+LL | fn lintme() { } //~ ERROR item is named 'lintme'
+   | ^^^^^^^^^^^^^^^
+   |
+note: lint level defined here
+  --> $DIR/lint-plugin-deny-attr.rs:16:9
+   |
+LL | #![deny(test_lint)]
+   |         ^^^^^^^^^
+
+error: aborting due to previous error
+

src/test/ui-fulldeps/lint-plugin-deny-cmdline.stderr

@@ -0,0 +1,10 @@
+error: item is named 'lintme'
+  --> $DIR/lint-plugin-deny-cmdline.rs:18:1
+   |
+LL | fn lintme() { } //~ ERROR item is named 'lintme'
+   | ^^^^^^^^^^^^^^^
+   |
+   = note: requested on the command line with `-D test-lint`
+
+error: aborting due to previous error
+

src/test/ui-fulldeps/lint-plugin-forbid-cmdline.stderr

@@ -0,0 +1,19 @@
+error[E0453]: allow(test_lint) overruled by outer forbid(test_lint)
+  --> $DIR/lint-plugin-forbid-cmdline.rs:20:9
+   |
+LL | #[allow(test_lint)] //~ ERROR allow(test_lint) overruled by outer forbid(test_lint)
+   |         ^^^^^^^^^ overruled by previous forbid
+   |
+   = note: `forbid` lint level was set on command line
+
+error: item is named 'lintme'
+  --> $DIR/lint-plugin-forbid-cmdline.rs:18:1
+   |
+LL | fn lintme() { } //~ ERROR item is named 'lintme'
+   | ^^^^^^^^^^^^^^^
+   |
+   = note: requested on the command line with `-F test-lint`
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0453`.

src/test/ui-fulldeps/macro-crate-doesnt-resolve.stderr

@@ -0,0 +1,9 @@
+error[E0425]: cannot find function `foo` in module `macro_crate_test`
+  --> $DIR/macro-crate-doesnt-resolve.rs:17:23
+   |
+LL |     macro_crate_test::foo(); //~ ERROR cannot find function `foo` in module `macro_crate_test`
+   |                       ^^^ not found in `macro_crate_test`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0425`.

src/test/ui-fulldeps/macro-crate-rlib.stderr

@@ -0,0 +1,9 @@
+error[E0457]: plugin `rlib_crate_test` only found in rlib format, but must be available in dylib format
+  --> $DIR/macro-crate-rlib.rs:16:11
+   |
+LL | #![plugin(rlib_crate_test)]
+   |           ^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0457`.

src/test/ui-fulldeps/macro-crate-unexported-macro.stderr

@@ -0,0 +1,8 @@
+error: cannot find macro `unexported_macro!` in this scope
+  --> $DIR/macro-crate-unexported-macro.rs:17:5
+   |
+LL |     unexported_macro!();
+   |     ^^^^^^^^^^^^^^^^ help: you could try the macro: `exported_macro`
+
+error: aborting due to previous error
+

src/test/ui-fulldeps/plugin-as-extern-crate.stderr

@@ -0,0 +1,14 @@
+error: compiler plugin used as an ordinary library
+  --> $DIR/plugin-as-extern-crate.rs:20:1
+   |
+LL | extern crate macro_crate_test; //~ ERROR compiler plugin used as an ordinary library
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: lint level defined here
+  --> $DIR/plugin-as-extern-crate.rs:17:9
+   |
+LL | #![deny(plugin_as_library)]
+   |         ^^^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+

src/test/ui-fulldeps/plugin-attr-register-deny.stderr

@@ -0,0 +1,26 @@
+error: unused attribute
+  --> $DIR/plugin-attr-register-deny.rs:24:5
+   |
+LL |     #[bar]
+   |     ^^^^^^
+   |
+note: lint level defined here
+  --> $DIR/plugin-attr-register-deny.rs:16:9
+   |
+LL | #![deny(unused_attributes)]
+   |         ^^^^^^^^^^^^^^^^^
+
+error: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
+  --> $DIR/plugin-attr-register-deny.rs:24:5
+   |
+LL |     #[bar]
+   |     ^^^^^^
+
+error: unused attribute
+  --> $DIR/plugin-attr-register-deny.rs:21:1
+   |
+LL | #[foo]
+   | ^^^^^^
+
+error: aborting due to 3 previous errors
+

src/test/ui-fulldeps/plugin-plus-extern-crate.stderr

@@ -0,0 +1,14 @@
+error: compiler plugin used as an ordinary library
+  --> $DIR/plugin-plus-extern-crate.rs:22:1
+   |
+LL | extern crate macro_crate_test; //~ ERROR compiler plugin used as an ordinary library
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+note: lint level defined here
+  --> $DIR/plugin-plus-extern-crate.rs:18:9
+   |
+LL | #![deny(plugin_as_library)]
+   |         ^^^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+

src/test/ui-fulldeps/qquote.stderr

@@ -0,0 +1,9 @@
+error[E0425]: cannot find value `abcd` in this scope
+  --> $DIR/qquote.rs:35:38
+   |
+LL |     let expr = quote_expr!(&cx, 2 - $abcd + 7); //~ ERROR cannot find value `abcd` in this scope
+   |                                      ^^^^ not found in this scope
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0425`.

src/test/ui/explore-issue-38412.stderr

@@ -0,0 +1,132 @@
+error[E0658]: use of unstable library feature 'unstable_undeclared' (see issue #38412)
+  --> $DIR/explore-issue-38412.rs:31:63
+   |
+LL |     let Record { a_stable_pub: _, a_unstable_declared_pub: _, a_unstable_undeclared_pub: _, .. } =
+   |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = help: add #![feature(unstable_undeclared)] to the crate attributes to enable
+
+error[E0658]: use of unstable library feature 'unstable_undeclared' (see issue #38412)
+  --> $DIR/explore-issue-38412.rs:40:5
+   |
+LL |     r.a_unstable_undeclared_pub; //~ ERROR use of unstable library feature
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = help: add #![feature(unstable_undeclared)] to the crate attributes to enable
+
+error[E0616]: field `b_crate` of struct `pub_and_stability::Record` is private
+  --> $DIR/explore-issue-38412.rs:41:5
+   |
+LL |     r.b_crate;                   //~ ERROR is private
+   |     ^^^^^^^^^
+
+error[E0616]: field `c_mod` of struct `pub_and_stability::Record` is private
+  --> $DIR/explore-issue-38412.rs:42:5
+   |
+LL |     r.c_mod;                     //~ ERROR is private
+   |     ^^^^^^^
+
+error[E0616]: field `d_priv` of struct `pub_and_stability::Record` is private
+  --> $DIR/explore-issue-38412.rs:43:5
+   |
+LL |     r.d_priv;                    //~ ERROR is private
+   |     ^^^^^^^^
+
+error[E0658]: use of unstable library feature 'unstable_undeclared' (see issue #38412)
+  --> $DIR/explore-issue-38412.rs:47:5
+   |
+LL |     t.2;                         //~ ERROR use of unstable library feature
+   |     ^^^
+   |
+   = help: add #![feature(unstable_undeclared)] to the crate attributes to enable
+
+error[E0616]: field `3` of struct `pub_and_stability::Tuple` is private
+  --> $DIR/explore-issue-38412.rs:48:5
+   |
+LL |     t.3;                         //~ ERROR is private
+   |     ^^^
+
+error[E0616]: field `4` of struct `pub_and_stability::Tuple` is private
+  --> $DIR/explore-issue-38412.rs:49:5
+   |
+LL |     t.4;                         //~ ERROR is private
+   |     ^^^
+
+error[E0616]: field `5` of struct `pub_and_stability::Tuple` is private
+  --> $DIR/explore-issue-38412.rs:50:5
+   |
+LL |     t.5;                         //~ ERROR is private
+   |     ^^^
+
+error[E0658]: use of unstable library feature 'unstable_undeclared' (see issue #38412)
+  --> $DIR/explore-issue-38412.rs:54:7
+   |
+LL |     r.unstable_undeclared_trait_method(); //~ ERROR use of unstable library feature
+   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = help: add #![feature(unstable_undeclared)] to the crate attributes to enable
+
+error[E0658]: use of unstable library feature 'unstable_undeclared' (see issue #38412)
+  --> $DIR/explore-issue-38412.rs:58:7
+   |
+LL |     r.unstable_undeclared();              //~ ERROR use of unstable library feature
+   |       ^^^^^^^^^^^^^^^^^^^
+   |
+   = help: add #![feature(unstable_undeclared)] to the crate attributes to enable
+
+error[E0624]: method `pub_crate` is private
+  --> $DIR/explore-issue-38412.rs:60:7
+   |
+LL |     r.pub_crate();                        //~ ERROR `pub_crate` is private
+   |       ^^^^^^^^^
+
+error[E0624]: method `pub_mod` is private
+  --> $DIR/explore-issue-38412.rs:61:7
+   |
+LL |     r.pub_mod();                          //~ ERROR `pub_mod` is private
+   |       ^^^^^^^
+
+error[E0624]: method `private` is private
+  --> $DIR/explore-issue-38412.rs:62:7
+   |
+LL |     r.private();                          //~ ERROR `private` is private
+   |       ^^^^^^^
+
+error[E0658]: use of unstable library feature 'unstable_undeclared' (see issue #38412)
+  --> $DIR/explore-issue-38412.rs:67:7
+   |
+LL |     t.unstable_undeclared_trait_method(); //~ ERROR use of unstable library feature
+   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = help: add #![feature(unstable_undeclared)] to the crate attributes to enable
+
+error[E0658]: use of unstable library feature 'unstable_undeclared' (see issue #38412)
+  --> $DIR/explore-issue-38412.rs:71:7
+   |
+LL |     t.unstable_undeclared();              //~ ERROR use of unstable library feature
+   |       ^^^^^^^^^^^^^^^^^^^
+   |
+   = help: add #![feature(unstable_undeclared)] to the crate attributes to enable
+
+error[E0624]: method `pub_crate` is private
+  --> $DIR/explore-issue-38412.rs:73:7
+   |
+LL |     t.pub_crate();                        //~ ERROR `pub_crate` is private
+   |       ^^^^^^^^^
+
+error[E0624]: method `pub_mod` is private
+  --> $DIR/explore-issue-38412.rs:74:7
+   |
+LL |     t.pub_mod();                          //~ ERROR `pub_mod` is private
+   |       ^^^^^^^
+
+error[E0624]: method `private` is private
+  --> $DIR/explore-issue-38412.rs:75:7
+   |
+LL |     t.private();                          //~ ERROR `private` is private
+   |       ^^^^^^^
+
+error: aborting due to 19 previous errors
+
+Some errors occurred: E0616, E0624, E0658.
+For more information about an error, try `rustc --explain E0616`.

src/test/ui/issue-18986.stderr

@@ -0,0 +1,9 @@
+error[E0574]: expected struct, variant or union type, found trait `Trait`
+  --> $DIR/issue-18986.rs:18:9
+   |
+LL |         Trait { x: 42 } => () //~ ERROR expected struct, variant or union type, found trait `Trait`
+   |         ^^^^^ not a struct, variant or union type
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0574`.

src/test/ui/no-link-unknown-crate.stderr

@@ -0,0 +1,9 @@
+error[E0463]: can't find crate for `doesnt_exist`
+  --> $DIR/no-link-unknown-crate.rs:12:1
+   |
+LL | extern crate doesnt_exist; //~ ERROR can't find crate
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0463`.

src/test/ui/proc-macro/attr-invalid-exprs.stderr

@@ -0,0 +1,28 @@
+error: expected expression, found `<eof>`
+  --> $DIR/attr-invalid-exprs.rs:21:13
+   |
+LL |     let _ = #[no_output] "Hello, world!";
+   |             ^^^^^^^^^^^^
+
+error: macro expansion ignores token `,` and any following
+  --> $DIR/attr-invalid-exprs.rs:24:13
+   |
+LL |     let _ = #[duplicate] "Hello, world!";
+   |             ^^^^^^^^^^^^- help: you might be missing a semicolon here: `;`
+   |             |
+   |             caused by the macro expansion here
+   |
+   = note: the usage of `duplicate!` is likely invalid in expression context
+
+error: macro expansion ignores token `,` and any following
+  --> $DIR/attr-invalid-exprs.rs:33:9
+   |
+LL |         #[duplicate]
+   |         ^^^^^^^^^^^^- help: you might be missing a semicolon here: `;`
+   |         |
+   |         caused by the macro expansion here
+   |
+   = note: the usage of `duplicate!` is likely invalid in expression context
+
+error: aborting due to 3 previous errors
+

src/test/ui/proc-macro/attr-stmt-expr.stderr

@@ -0,0 +1,19 @@
+error[E0658]: attributes on expressions are experimental. (see issue #15701)
+  --> $DIR/attr-stmt-expr.rs:20:5
+   |
+LL |     #[expect_print_expr]
+   |     ^^^^^^^^^^^^^^^^^^^^
+   |
+   = help: add #![feature(stmt_expr_attributes)] to the crate attributes to enable
+
+error[E0658]: attributes on expressions are experimental. (see issue #15701)
+  --> $DIR/attr-stmt-expr.rs:33:5
+   |
+LL |     #[expect_expr]
+   |     ^^^^^^^^^^^^^^
+   |
+   = help: add #![feature(stmt_expr_attributes)] to the crate attributes to enable
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0658`.

src/test/ui/proc-macro/attribute-with-error.stderr

@@ -0,0 +1,39 @@
+error[E0308]: mismatched types
+  --> $DIR/attribute-with-error.rs:21:18
+   |
+LL |     let a: i32 = "foo";
+   |                  ^^^^^ expected i32, found reference
+   |
+   = note: expected type `i32`
+              found type `&'static str`
+
+error[E0308]: mismatched types
+  --> $DIR/attribute-with-error.rs:23:18
+   |
+LL |     let b: i32 = "f'oo";
+   |                  ^^^^^^ expected i32, found reference
+   |
+   = note: expected type `i32`
+              found type `&'static str`
+
+error[E0308]: mismatched types
+  --> $DIR/attribute-with-error.rs:36:22
+   |
+LL |         let a: i32 = "foo";
+   |                      ^^^^^ expected i32, found reference
+   |
+   = note: expected type `i32`
+              found type `&'static str`
+
+error[E0308]: mismatched types
+  --> $DIR/attribute-with-error.rs:46:22
+   |
+LL |         let a: i32 = "foo";
+   |                      ^^^^^ expected i32, found reference
+   |
+   = note: expected type `i32`
+              found type `&'static str`
+
+error: aborting due to 4 previous errors
+
+For more information about this error, try `rustc --explain E0308`.

src/test/ui/proc-macro/attribute.stderr

@@ -0,0 +1,50 @@
+error: attribute must be of form: #[proc_macro_derive(TraitName)]
+  --> $DIR/attribute.rs:18:1
+   |
+LL | #[proc_macro_derive]
+   | ^^^^^^^^^^^^^^^^^^^^
+
+error: attribute must be of form: #[proc_macro_derive(TraitName)]
+  --> $DIR/attribute.rs:24:1
+   |
+LL | #[proc_macro_derive = "foo"]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: must only be one word
+  --> $DIR/attribute.rs:31:5
+   |
+LL |     a = "b"
+   |     ^^^^^^^
+
+error: attribute must have either one or two arguments
+  --> $DIR/attribute.rs:38:1
+   |
+LL | #[proc_macro_derive(b, c, d)]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: must only be one word
+  --> $DIR/attribute.rs:44:21
+   |
+LL | #[proc_macro_derive(d(e))]
+   |                     ^^^^
+
+error: must only be one word
+  --> $DIR/attribute.rs:50:35
+   |
+LL | #[proc_macro_derive(f, attributes(g = "h"))]
+   |                                   ^^^^^^^
+
+error: must only be one word
+  --> $DIR/attribute.rs:56:35
+   |
+LL | #[proc_macro_derive(i, attributes(j(k)))]
+   |                                   ^^^^
+
+error: attribute must have either one or two arguments
+  --> $DIR/attribute.rs:62:1
+   |
+LL | #[proc_macro_derive(l, attributes(m), n)]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 8 previous errors
+

src/test/ui/proc-macro/attributes-included.stderr

@@ -0,0 +1,13 @@
+warning: unused variable: `a`
+  --> $DIR/attributes-included.rs:27:9
+   |
+LL |     let a: i32 = "foo"; //~ WARN: unused variable
+   |         ^ help: consider using `_a` instead
+   |
+note: lint level defined here
+  --> $DIR/attributes-included.rs:14:9
+   |
+LL | #![warn(unused)]
+   |         ^^^^^^
+   = note: #[warn(unused_variables)] implied by #[warn(unused)]
+

src/test/ui/proc-macro/auxiliary/edition-imports-2015.rs

@@ -1,4 +1,5 @@
 // edition:2015
+// force-host
 // no-prefer-dynamic
 
 #![crate_type = "proc-macro"]

src/test/ui/proc-macro/define-two.stderr

@@ -0,0 +1,14 @@
+error[E0428]: the name `A` is defined multiple times
+  --> $DIR/define-two.rs:25:21
+   |
+LL | #[proc_macro_derive(A)]
+   |                     - previous definition of the macro `A` here
+...
+LL | #[proc_macro_derive(A)] //~ ERROR the name `A` is defined multiple times
+   |                     ^ `A` redefined here
+   |
+   = note: `A` must be defined only once in the macro namespace of this module
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0428`.

src/test/ui/proc-macro/derive-bad.stderr

@@ -0,0 +1,14 @@
+error: expected `:`, found `}`
+  --> $DIR/derive-bad.rs:17:5
+   |
+LL |     A
+   |     ^ expected `:`
+
+error: proc-macro derive produced unparseable tokens
+  --> $DIR/derive-bad.rs:17:5
+   |
+LL |     A
+   |     ^
+
+error: aborting due to 2 previous errors
+

src/test/ui/proc-macro/derive-still-gated.stderr

@@ -0,0 +1,11 @@
+error[E0658]: The attribute `derive_A` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
+  --> $DIR/derive-still-gated.rs:18:3
+   |
+LL | #[derive_A] //~ ERROR attribute `derive_A` is currently unknown
+   |   ^^^^^^^^
+   |
+   = help: add #![feature(custom_attribute)] to the crate attributes to enable
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0658`.

src/test/ui/proc-macro/expand-to-unstable-2.stderr

@@ -0,0 +1,11 @@
+error[E0658]: unless otherwise specified, attributes with the prefix `rustc_` are reserved for internal compiler diagnostics (see issue #29642)
+  --> $DIR/expand-to-unstable-2.rs:18:10
+   |
+LL | #[derive(Unstable)]
+   |          ^^^^^^^^
+   |
+   = help: add #![feature(rustc_attrs)] to the crate attributes to enable
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0658`.

src/test/ui/proc-macro/expand-to-unstable.stderr

@@ -0,0 +1,11 @@
+error[E0658]: use of unstable library feature 'core_intrinsics': intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library
+  --> $DIR/expand-to-unstable.rs:18:10
+   |
+LL | #[derive(Unstable)]
+   |          ^^^^^^^^
+   |
+   = help: add #![feature(core_intrinsics)] to the crate attributes to enable
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0658`.

src/test/ui/proc-macro/export-macro.stderr

@@ -0,0 +1,10 @@
+error: cannot export macro_rules! macros from a `proc-macro` crate type currently
+  --> $DIR/export-macro.rs:19:1
+   |
+LL | / macro_rules! foo {
+LL | |     ($e:expr) => ($e)
+LL | | }
+   | |_^
+
+error: aborting due to previous error
+

src/test/ui/proc-macro/exports.stderr

@@ -0,0 +1,26 @@
+error: `proc-macro` crate types cannot export any items other than functions tagged with `#[proc_macro_derive]` currently
+  --> $DIR/exports.rs:17:1
+   |
+LL | pub fn a() {} //~ ERROR: cannot export any items
+   | ^^^^^^^^^^^^^
+
+error: `proc-macro` crate types cannot export any items other than functions tagged with `#[proc_macro_derive]` currently
+  --> $DIR/exports.rs:18:1
+   |
+LL | pub struct B; //~ ERROR: cannot export any items
+   | ^^^^^^^^^^^^^
+
+error: `proc-macro` crate types cannot export any items other than functions tagged with `#[proc_macro_derive]` currently
+  --> $DIR/exports.rs:19:1
+   |
+LL | pub enum C {} //~ ERROR: cannot export any items
+   | ^^^^^^^^^^^^^
+
+error: `proc-macro` crate types cannot export any items other than functions tagged with `#[proc_macro_derive]` currently
+  --> $DIR/exports.rs:20:1
+   |
+LL | pub mod d {} //~ ERROR: cannot export any items
+   | ^^^^^^^^^^^^
+
+error: aborting due to 4 previous errors
+

src/test/ui/proc-macro/illegal-proc-macro-derive-use.stderr

@@ -0,0 +1,14 @@
+error: the `#[proc_macro_derive]` attribute is only usable with crates of the `proc-macro` crate type
+  --> $DIR/illegal-proc-macro-derive-use.rs:13:1
+   |
+LL | #[proc_macro_derive(Foo)]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: the `#[proc_macro_derive]` attribute may only be used on bare functions
+  --> $DIR/illegal-proc-macro-derive-use.rs:20:1
+   |
+LL | #[proc_macro_derive(Foo)]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 2 previous errors
+

src/test/ui/proc-macro/import.stderr

@@ -0,0 +1,9 @@
+error[E0432]: unresolved import `derive_a::derive_a`
+  --> $DIR/import.rs:18:5
+   |
+LL | use derive_a::derive_a;
+   |     ^^^^^^^^^^^^^^^^^^ no `derive_a` in the root
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0432`.