Ran:
tools/binary_size/diagnose_bloat.py HEAD --silent

I     10 Checking source directory
I   1067 Found matching metadata for a587a0931dc5dcf00b26d7bb9d1bcb0fe12882c6, skipping build step.
I   1067 Found matching metadata for fd366473bd8088df5e533b5f550f076baf2fdd7e, skipping build step.
I   1067 Creating: Native Diff
E  33531 Failure: command failed: /Work/clankium/src/tmpwSOpN8/binary_size/supersize diff /Work/clankium/src/binary-size-bloat/a587a0931dc5dcf00b26d7bb9d1bcb0fe12882c6/libmonochrome.size /Work/clankium/src/binary-size-bloat/fd366473bd8088df5e533b5f550f076baf2fdd7e/libmonochrome.size
stderr:
W     44 This script runs more than 2x faster if you install pypy.
Traceback (most recent call last):
  File "/Work/clankium/src/tmpwSOpN8/binary_size/libsupersize/main.py", line 102, in <module>
    main()
  File "/Work/clankium/src/tmpwSOpN8/binary_size/libsupersize/main.py", line 98, in main
    args.func(args, parser)
  File "/Work/clankium/src/tmpwSOpN8/binary_size/libsupersize/main.py", line 52, in Run
    console.Run(args, parser)
  File "/Work/clankium/src/tmpwSOpN8/binary_size/libsupersize/console.py", line 283, in Run
    session.Eval(args.query)
  File "/Work/clankium/src/tmpwSOpN8/binary_size/libsupersize/console.py", line 246, in Eval
    exec query in self._variables
  File "<string>", line 1, in <module>
  File "/Work/clankium/src/tmpwSOpN8/binary_size/libsupersize/console.py", line 120, in _PrintFunc
    _WriteToStream(lines, use_pager=use_pager, to_file=to_file)
  File "/Work/clankium/src/tmpwSOpN8/binary_size/libsupersize/console.py", line 63, in _WriteToStream
    describe.WriteLines(lines, sys.stdout.write)
  File "/Work/clankium/src/tmpwSOpN8/binary_size/libsupersize/describe.py", line 335, in WriteLines
    for l in lines:
  File "/Work/clankium/src/tmpwSOpN8/binary_size/libsupersize/describe.py", line 129, in _DescribeSymbolGroupChildren
    running_percent = running_total / total
ZeroDivisionError: float division by zero