[ivy-bootstrap]DEBUG] Executing: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Divy.cache.dir=/home/user/.ivy2/pants -cp ../.cache/pants/tools/jvm/ivy/bootstrap.jar org.apache.ivy.Main -settings /home/user/project/build-support/ivy/ivysettings_dev.xml -confs default -cachepath /home/user/.cache/pants/tools/jvm/ivy/0c6799f2e85eccc7061443f76e45b7b268892b58.classpath -dependency org.apache.ivy ivy 2.4.0 args={'stderr': <pants.util.rwbuf.FileBackedRWBuf object at 0x7fc9c0405290>, 'stdout': <pants.util.rwbuf.FileBackedRWBuf object at 0x7fc9c0405d10>} at cwd=/home/user/project