In file included from /home/travis/build/apache/arrow/cpp/src/plasma/malloc.cc:45:0:
/home/travis/build/apache/arrow/cpp/src/plasma/thirdparty/dlmalloc.c: In function ‘void* prepend_alloc(mstate, char*, char*, size_t)’:
/home/travis/build/apache/arrow/cpp/src/plasma/thirdparty/dlmalloc.c:3982:892: warning: conversion to ‘unsigned int’ from ‘size_t {aka long unsigned int}’ may alter its value [-Wconversion]
     insert_chunk(m, q, qsize);
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