// ignore-windows: No libc on Windows #![feature(rustc_private)] extern crate libc; fn main() -> std::io::Result<()> { let mut bytes = [0u8; 512]; unsafe { libc::read(0, bytes.as_mut_ptr() as *mut libc::c_void, 512); //~ ERROR `read` from stdin not available when isolation is enabled } Ok(()) }