Remove usage of deprecated missing-tools bootstrap flag

src/bootstrap/configure.py

@@ -55,7 +55,6 @@ 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")
 o("patch-binaries-for-nix", "build.patch-binaries-for-nix", "whether patch binaries for usage with Nix toolchains")

src/bootstrap/src/core/build_steps/dist.rs

@@ -1110,9 +1110,7 @@ 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);
@@ -1154,9 +1152,7 @@ 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);
@@ -1201,12 +1197,9 @@ 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);
@@ -1255,9 +1248,9 @@ 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);
@@ -1396,12 +1389,10 @@ 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);
@@ -1455,9 +1446,8 @@ 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/src/core/build_steps/run.rs

@@ -148,9 +148,8 @@ 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/src/core/build_steps/test.rs

@@ -427,9 +427,7 @@ 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,
@@ -476,9 +474,11 @@ 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,
@@ -609,12 +609,13 @@ 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));
@@ -788,9 +789,7 @@ 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,
@@ -1668,13 +1667,11 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the
         if mode == "coverage-run" {
             // The demangler doesn't need the current compiler, so we can avoid
             // unnecessary rebuilds by using the bootstrap compiler instead.
-            let rust_demangler = builder
-                .ensure(tool::RustDemangler {
-                    compiler: compiler.with_stage(0),
-                    target: compiler.host,
-                    extra_features: Vec::new(),
-                })
-                .expect("in-tree tool");
+            let rust_demangler = builder.ensure(tool::RustDemangler {
+                compiler: compiler.with_stage(0),
+                target: compiler.host,
+                extra_features: Vec::new(),
+            });
             cmd.arg("--rust-demangler-path").arg(rust_demangler);
         }