In file included from /in/foo.cc:1:0:
/etc/passwd:1:7: error: found ':' in nested-name-specifier, expected '::'
 icebox:x:1000:1000:icebox:/:/bin/bash
       ^
/etc/passwd:1:1: error: 'icebox' does not name a type
 icebox:x:1000:1000:icebox:/:/bin/bash
 ^