src/etc/rust_analyzer_settings.json

{
    "git.detectSubmodulesLimit": 20,
    "rust-analyzer.check.invocationLocation": "root",
    "rust-analyzer.check.invocationStrategy": "once",
    "rust-analyzer.check.overrideCommand": [
        "python3",
        "x.py",
        "check",
        "--json-output"
    ],
    "rust-analyzer.linkedProjects": [
        "Cargo.toml",
        "library/Cargo.toml",
        "src/tools/x/Cargo.toml",
        "src/bootstrap/Cargo.toml",
        "src/tools/rust-analyzer/Cargo.toml",
        "compiler/rustc_codegen_cranelift/Cargo.toml",
        "compiler/rustc_codegen_gcc/Cargo.toml"
    ],
    "rust-analyzer.rustfmt.overrideCommand": [
        "${workspaceFolder}/build/host/rustfmt/bin/rustfmt",
        "--edition=2021"
    ],
    "rust-analyzer.procMacro.server": "${workspaceFolder}/build/host/stage0/libexec/rust-analyzer-proc-macro-srv",
    "rust-analyzer.procMacro.enable": true,
    "rust-analyzer.cargo.buildScripts.enable": true,
    "rust-analyzer.cargo.buildScripts.invocationLocation": "root",
    "rust-analyzer.cargo.buildScripts.invocationStrategy": "once",
    "rust-analyzer.cargo.buildScripts.overrideCommand": [
        "python3",
        "x.py",
        "check",
        "--json-output"
    ],
    "rust-analyzer.cargo.sysrootSrc": "./library",
    "rust-analyzer.rustc.source": "./Cargo.toml",
    "rust-analyzer.cargo.extraEnv": {
        "RUSTC_BOOTSTRAP": "1"
    }
}