fixed_allocator.h:7:  public: should be indented +1 space inside class FixedAllocator  [whitespace/indent] [3]
fixed_allocator.h:9:  Lines should be <= 80 characters long  [whitespace/line_length] [2]
fixed_allocator.h:9:  You don't need a ; after a }  [readability/braces] [4]
fixed_allocator.h:21:  You don't need a ; after a }  [readability/braces] [4]
fixed_allocator.h:25:  You don't need a ; after a }  [readability/braces] [4]
fixed_allocator.h:30:  private: should be indented +1 space inside class FixedAllocator  [whitespace/indent] [3]
fixed_allocator.h:30:  "private:" should be preceded by a blank line  [whitespace/blank_line] [3]
fixed_allocator.h:32:  Add #include <vector> for vector<>  [build/include_what_you_use] [4]
Done processing fixed_allocator.h
Total errors found: 8