shuduo@shuduo-ThinkPad:~/work/snapcraft/examples/ros$ snapcraft
Skipping pull roscore  (already ran)
Skipping build roscore  (already ran)
Skipping stage roscore  (already ran)
Snapping roscore
pyversions -i
gcc -dumpversion
gcc -dumpversion
Skipping pull catkin-tutorials  (already ran)
pyversions -i
gcc -dumpversion
gcc -dumpversion
Skipping build catkin-tutorials  (already ran)
pyversions -i
gcc -dumpversion
gcc -dumpversion
Skipping stage catkin-tutorials  (already ran)
pyversions -i
gcc -dumpversion
gcc -dumpversion
Snapping catkin-tutorials
pyversions -i
gcc -dumpversion
gcc -dumpversion
Traceback (most recent call last):
  File "/usr/bin/snapcraft", line 33, in <module>
    snapcraft.main.main()
  File "/usr/lib/python3/dist-packages/snapcraft/main.py", line 148, in main
    args.func(args)
  File "/usr/lib/python3/dist-packages/snapcraft/cmds.py", line 98, in assemble
    snap(args)
  File "/usr/lib/python3/dist-packages/snapcraft/cmds.py", line 91, in snap
    meta.create(config.data, arches)
  File "/usr/lib/python3/dist-packages/snapcraft/meta.py", line 61, in create
    _write_package_yaml(meta_dir, config_data, arches)
  File "/usr/lib/python3/dist-packages/snapcraft/meta.py", line 72, in _write_package_yaml
    package_yaml = _compose_package_yaml(meta_dir, config_data, arches)
  File "/usr/lib/python3/dist-packages/snapcraft/meta.py", line 144, in _compose_package_yaml
    binaries = _wrap_binaries(binaries)
  File "/usr/lib/python3/dist-packages/snapcraft/meta.py", line 245, in _wrap_binaries
    execwrap = _wrap_exe(execparts[0])
  File "/usr/lib/python3/dist-packages/snapcraft/meta.py", line 227, in _wrap_exe
    common.run(['/bin/sh', tempf.name], cwd=snap_dir)
  File "/usr/lib/python3/dist-packages/snapcraft/common.py", line 50, in run
    subprocess.check_call(['/bin/sh', f.name] + cmd, **kwargs)
  File "/usr/lib/python3.4/subprocess.py", line 561, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['/bin/sh', '/tmp/tmpe2w16dts', '/bin/sh', '/tmp/tmpavg3buer']' returned non-zero exit status 1