error: unsupported operation: `read` from stdin not available when isolation is enabled
  --> $DIR/isolated_stdin.rs:LL:CC
   |
LL |         libc::read(0, bytes.as_mut_ptr() as *mut libc::c_void, 512);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `read` from stdin not available when isolation is enabled
   |
   = help: pass the flag `-Zmiri-disable-isolation` to disable isolation;
   = help: or pass `-Zmiri-isolation-error=warn` to configure Miri to return an error code from isolated operations (if supported for that operation) and continue with a warning
           
   = note: inside `main` at $DIR/isolated_stdin.rs:LL:CC

note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace

error: aborting due to previous error