src/tools/miri/tests/fail/c-variadic.stderr

error: Undefined Behavior: more C-variadic arguments read than were passed
  --> RUSTLIB/core/src/ffi/va_list.rs:LL:CC
   |
LL |         unsafe { va_arg(self) }
   |                  ^^^^^^^^^^^^ Undefined Behavior occurred here
   |
   = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior
   = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information
   = note: stack backtrace:
           0: std::ffi::VaList::<'_>::arg
               at RUSTLIB/core/src/ffi/va_list.rs:LL:CC
           1: read_too_many::variadic
               at tests/fail/c-variadic.rs:LL:CC
           2: read_too_many
               at tests/fail/c-variadic.rs:LL:CC
           3: main
               at tests/fail/c-variadic.rs:LL:CC

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

error: aborting due to 1 previous error