Squashed commit of the following:

commit 1c808f18903f43ca6898a1452caf2481627b3d4e
Merge: e679bd0 3200982
Author: Tharun Suresh <stharunvikram@gmail.com>
Date:   Tue Feb 21 21:42:46 2023 +0530

    Merge branch 'master' of https://github.com/rust-lang/rust

commit e679bd0
Author: Tharun Suresh <stharunvikram@gmail.com>
Date:   Sun Feb 12 09:37:41 2023 +0530

     Remove missing_tools config #107830

Author: tharunsuresh-code

config.toml.example

@@ -798,9 +798,6 @@ changelog-seen = 2
 # on linux
 #src-tarball = true
 
-# Whether to allow failures when building tools
-#missing-tools = false
-
 # List of compression formats to use when generating dist tarballs. The list of
 # formats is provided to rust-installer, which must support all of them.
 #

src/bootstrap/config.rs

@@ -202,7 +202,6 @@ pub struct Config {
     pub save_toolstates: Option<PathBuf>,
     pub print_step_timings: bool,
     pub print_step_rusage: bool,
-    pub missing_tools: bool,
 
     // Fallback musl-root for all targets
     pub musl_root: Option<PathBuf>,
@@ -700,7 +699,6 @@ define_config! {
         gpg_password_file: Option<String> = "gpg-password-file",
         upload_addr: Option<String> = "upload-addr",
         src_tarball: Option<bool> = "src-tarball",
-        missing_tools: Option<bool> = "missing-tools",
         compression_formats: Option<Vec<String>> = "compression-formats",
     }
 }
@@ -1306,7 +1304,6 @@ impl Config {
             config.dist_upload_addr = t.upload_addr;
             config.dist_compression_formats = t.compression_formats;
             set(&mut config.rust_dist_src, t.src_tarball);
-            set(&mut config.missing_tools, t.missing_tools);
         }
 
         if let Some(r) = build.rustfmt {

src/bootstrap/configure.py

@@ -57,7 +57,6 @@ def v(*args):
 o("full-tools", None, "enable all tools")
 o("lld", "rust.lld", "build lld")
 o("clang", "llvm.clang", "build clang")
-o("missing-tools", "dist.missing-tools", "allow failures when building tools")
 o("use-libcxx", "llvm.use-libcxx", "build LLVM with libc++")
 o("control-flow-guard", "rust.control-flow-guard", "Enable Control Flow Guard")
 

src/bootstrap/dist.rs

@@ -1103,9 +1103,7 @@ impl Step for Rls {
         let compiler = self.compiler;
         let target = self.target;
 
-        let rls = builder
-            .ensure(tool::Rls { compiler, target, extra_features: Vec::new() })
-            .expect("rls expected to build");
+        let rls = builder.ensure(tool::Rls { compiler, target, extra_features: Vec::new() });
 
         let mut tarball = Tarball::new(builder, "rls", &target.triple);
         tarball.set_overlay(OverlayKind::RLS);
@@ -1147,10 +1145,7 @@ impl Step for RustAnalyzer {
         let compiler = self.compiler;
         let target = self.target;
 
-        let rust_analyzer = builder
-            .ensure(tool::RustAnalyzer { compiler, target })
-            .expect("rust-analyzer always builds");
-
+        let rust_analyzer = builder.ensure(tool::RustAnalyzer { compiler, target });
         let mut tarball = Tarball::new(builder, "rust-analyzer", &target.triple);
         tarball.set_overlay(OverlayKind::RustAnalyzer);
         tarball.is_preview(true);
@@ -1194,12 +1189,9 @@ impl Step for Clippy {
         // Prepare the image directory
         // We expect clippy to build, because we've exited this step above if tool
         // state for clippy isn't testing.
-        let clippy = builder
-            .ensure(tool::Clippy { compiler, target, extra_features: Vec::new() })
-            .expect("clippy expected to build - essential tool");
-        let cargoclippy = builder
-            .ensure(tool::CargoClippy { compiler, target, extra_features: Vec::new() })
-            .expect("clippy expected to build - essential tool");
+        let clippy = builder.ensure(tool::Clippy { compiler, target, extra_features: Vec::new() });
+        let cargoclippy =
+            builder.ensure(tool::CargoClippy { compiler, target, extra_features: Vec::new() });
 
         let mut tarball = Tarball::new(builder, "clippy", &target.triple);
         tarball.set_overlay(OverlayKind::Clippy);
@@ -1248,9 +1240,9 @@ impl Step for Miri {
         let compiler = self.compiler;
         let target = self.target;
 
-        let miri = builder.ensure(tool::Miri { compiler, target, extra_features: Vec::new() })?;
+        let miri = builder.ensure(tool::Miri { compiler, target, extra_features: Vec::new() });
         let cargomiri =
-            builder.ensure(tool::CargoMiri { compiler, target, extra_features: Vec::new() })?;
+            builder.ensure(tool::CargoMiri { compiler, target, extra_features: Vec::new() });
 
         let mut tarball = Tarball::new(builder, "miri", &target.triple);
         tarball.set_overlay(OverlayKind::Miri);
@@ -1293,12 +1285,10 @@ impl Step for Rustfmt {
         let compiler = self.compiler;
         let target = self.target;
 
-        let rustfmt = builder
-            .ensure(tool::Rustfmt { compiler, target, extra_features: Vec::new() })
-            .expect("rustfmt expected to build - essential tool");
-        let cargofmt = builder
-            .ensure(tool::Cargofmt { compiler, target, extra_features: Vec::new() })
-            .expect("cargo fmt expected to build - essential tool");
+        let rustfmt =
+            builder.ensure(tool::Rustfmt { compiler, target, extra_features: Vec::new() });
+        let cargofmt =
+            builder.ensure(tool::Cargofmt { compiler, target, extra_features: Vec::new() });
         let mut tarball = Tarball::new(builder, "rustfmt", &target.triple);
         tarball.set_overlay(OverlayKind::Rustfmt);
         tarball.is_preview(true);
@@ -1352,9 +1342,8 @@ impl Step for RustDemangler {
             return None;
         }
 
-        let rust_demangler = builder
-            .ensure(tool::RustDemangler { compiler, target, extra_features: Vec::new() })
-            .expect("rust-demangler expected to build - in-tree tool");
+        let rust_demangler =
+            builder.ensure(tool::RustDemangler { compiler, target, extra_features: Vec::new() });
 
         // Prepare the image directory
         let mut tarball = Tarball::new(builder, "rust-demangler", &target.triple);

src/bootstrap/lib.rs

@@ -227,8 +227,6 @@ pub struct Build {
     ci_env: CiEnv,
     delayed_failures: RefCell<Vec<String>>,
     prerelease_version: Cell<Option<u32>>,
-    tool_artifacts:
-        RefCell<HashMap<TargetSelection, HashMap<String, (&'static str, PathBuf, Vec<String>)>>>,
 
     #[cfg(feature = "build-metrics")]
     metrics: metrics::BuildMetrics,
@@ -447,7 +445,6 @@ impl Build {
             ci_env: CiEnv::current(),
             delayed_failures: RefCell::new(Vec::new()),
             prerelease_version: Cell::new(None),
-            tool_artifacts: Default::default(),
 
             #[cfg(feature = "build-metrics")]
             metrics: metrics::BuildMetrics::init(),

src/bootstrap/run.rs

@@ -161,9 +161,8 @@ impl Step for Miri {
         let target = self.target;
         let compiler = builder.compiler(stage, host);
 
-        let miri = builder
-            .ensure(tool::Miri { compiler, target: self.host, extra_features: Vec::new() })
-            .expect("in-tree tool");
+        let miri =
+            builder.ensure(tool::Miri { compiler, target: self.host, extra_features: Vec::new() });
         let miri_sysroot = test::Miri::build_miri_sysroot(builder, compiler, &miri, target);
 
         // # Run miri.

src/bootstrap/test.rs

@@ -362,7 +362,7 @@ impl Step for RustAnalyzer {
         let host = self.host;
         let compiler = builder.compiler(stage, host);
 
-        builder.ensure(tool::RustAnalyzer { compiler, target: self.host }).expect("in-tree tool");
+        builder.ensure(tool::RustAnalyzer { compiler, target: self.host });
 
         let workspace_path = "src/tools/rust-analyzer";
         // until the whole RA test suite runs on `i686`, we only run
@@ -420,9 +420,7 @@ impl Step for Rustfmt {
         let host = self.host;
         let compiler = builder.compiler(stage, host);
 
-        builder
-            .ensure(tool::Rustfmt { compiler, target: self.host, extra_features: Vec::new() })
-            .expect("in-tree tool");
+        builder.ensure(tool::Rustfmt { compiler, target: self.host, extra_features: Vec::new() });
 
         let mut cargo = tool::prepare_tool_cargo(
             builder,
@@ -469,9 +467,11 @@ impl Step for RustDemangler {
         let host = self.host;
         let compiler = builder.compiler(stage, host);
 
-        let rust_demangler = builder
-            .ensure(tool::RustDemangler { compiler, target: self.host, extra_features: Vec::new() })
-            .expect("in-tree tool");
+        let rust_demangler = builder.ensure(tool::RustDemangler {
+            compiler,
+            target: self.host,
+            extra_features: Vec::new(),
+        });
         let mut cargo = tool::prepare_tool_cargo(
             builder,
             compiler,
@@ -589,12 +589,13 @@ impl Step for Miri {
         // Except if we are at stage 2, the bootstrap loop is complete and we can stick with our current stage.
         let compiler_std = builder.compiler(if stage < 2 { stage + 1 } else { stage }, host);
 
-        let miri = builder
-            .ensure(tool::Miri { compiler, target: self.host, extra_features: Vec::new() })
-            .expect("in-tree tool");
-        let _cargo_miri = builder
-            .ensure(tool::CargoMiri { compiler, target: self.host, extra_features: Vec::new() })
-            .expect("in-tree tool");
+        let miri =
+            builder.ensure(tool::Miri { compiler, target: self.host, extra_features: Vec::new() });
+        let _cargo_miri = builder.ensure(tool::CargoMiri {
+            compiler,
+            target: self.host,
+            extra_features: Vec::new(),
+        });
         // The stdlib we need might be at a different stage. And just asking for the
         // sysroot does not seem to populate it, so we do that first.
         builder.ensure(compile::Std::new(compiler_std, host));
@@ -732,9 +733,7 @@ impl Step for Clippy {
         let host = self.host;
         let compiler = builder.compiler(stage, host);
 
-        builder
-            .ensure(tool::Clippy { compiler, target: self.host, extra_features: Vec::new() })
-            .expect("in-tree tool");
+        builder.ensure(tool::Clippy { compiler, target: self.host, extra_features: Vec::new() });
         let mut cargo = tool::prepare_tool_cargo(
             builder,
             compiler,
@@ -1458,13 +1457,11 @@ note: if you're sure you want to do this, please open an issue as to why. In the
         }
 
         if mode == "run-make" {
-            let rust_demangler = builder
-                .ensure(tool::RustDemangler {
-                    compiler,
-                    target: compiler.host,
-                    extra_features: Vec::new(),
-                })
-                .expect("in-tree tool");
+            let rust_demangler = builder.ensure(tool::RustDemangler {
+                compiler,
+                target: compiler.host,
+                extra_features: Vec::new(),
+            });
             cmd.arg("--rust-demangler-path").arg(rust_demangler);
         }