x86_64-pc-linux-gnu-gcc -pthread -fPIC -I/usr/local/include -Iinclude -I/usr/include/python2.7 -c src/remote.c -o build/temp.linux-x86_64-2.7/src/remote.o
src/remote.c: In function ‘Remote_add_push’:
src/remote.c:752:5: warning: passing argument 1 of ‘free’ discards ‘const’ qualifier from pointer target type [enabled by default]
In file included from /usr/include/python2.7/Python.h:42:0,
             from src/remote.c:29:
/usr/include/stdlib.h:482:13: note: expected ‘void *’ but argument is of type ‘const char *’
src/remote.c: In function ‘Remote_add_fetch’:
src/remote.c:781:5: warning: passing argument 1 of ‘free’ discards ‘const’ qualifier from pointer target type [enabled by default]
In file included from /usr/include/python2.7/Python.h:42:0,
             from src/remote.c:29:
/usr/include/stdlib.h:482:13: note: expected ‘void *’ but argument is of type ‘const char *’