1[build] 2target = "src/arch/x86_64/x86_64-unknown-none.json" 3 4[unstable] 5build-std = ["core", "compiler_builtins"] 6build-std-features = ["compiler-builtins-mem"] 7 8[target.'cfg(target_os = "none")'] 9runner = "bootimage runner" 10 11[env] 12