RUSTSEC-2019-0036 Type confusion if __private_get_type_id__ is overridden

Safe Rust code can implement malfunctioning privategettypeid and cause type confusion when downcasting, which is an undefined behavior. Users who derive Fail trait are not affected...

RUSTSEC-2019-0028 Unsound `impl Follow for bool`

The implementation of impl Follow for bool allows to reinterpret arbitrary bytes as a bool. In Rust bool has stringent requirements for its in-memory representation. Use of this function allows to violate these requirements and invoke undefined behaviour in safe code...