vendor/cstr/tests/compile_fail/empty.stderr

   1 error: unexpected end of input, expected one of: byte string literal, string literal, identifier
   2  --> $DIR/empty.rs:4:16
   3   |
   4 4 |     let _foo = cstr!();
   5   |                ^^^^^^^
   6   |
   7   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)