* Package:    app-emulation/docker-proxy-0.8.0_p20170917
 * Repository: gentoo
 * Maintainer: tianon@dockerproject.org mrueg@gentoo.org,williamh@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox test userpriv usersandbox
>>> Unpacking source...
>>> Source unpacked in /var/tmp/portage/app-emulation/docker-proxy-0.8.0_p20170917/work
>>> Preparing source in /var/tmp/portage/app-emulation/docker-proxy-0.8.0_p20170917/work/docker-proxy-0.8.0_p20170917/src/github.com/docker/libnetwork ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/app-emulation/docker-proxy-0.8.0_p20170917/work/docker-proxy-0.8.0_p20170917/src/github.com/docker/libnetwork ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/app-emulation/docker-proxy-0.8.0_p20170917/work/docker-proxy-0.8.0_p20170917/src/github.com/docker/libnetwork ...
>>> Source compiled.
>>> Test phase: app-emulation/docker-proxy-0.8.0_p20170917
make -j1   check
docker build -f Dockerfile.build -t libnetworkbuild .
/bin/bash: docker: command not found
make: *** [Makefile:25: libnetworkbuild.created] Error 127
 * ERROR: app-emulation/docker-proxy-0.8.0_p20170917::gentoo failed (test phase):
 *   Make check failed. See above for details.
 * 
 * Call stack:
 *            ebuild.sh, line 124:  Called src_test
 *          environment, line 448:  Called default
 *   phase-functions.sh, line 853:  Called default_src_test
 *   phase-functions.sh, line 882:  Called __eapi0_src_test
 *     phase-helpers.sh, line 763:  Called die
 * The specific snippet of code:
 *   		$emake_cmd ${internal_opts} check || \
 *   			die "Make check failed. See above for details."
 * 
 * If you need support, post the output of `emerge --info '=app-emulation/docker-proxy-0.8.0_p20170917::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=app-emulation/docker-proxy-0.8.0_p20170917::gentoo'`.
 * The complete build log is located at '/var/log/portage/app-emulation:docker-proxy-0.8.0_p20170917:20170925-183440.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/app-emulation/docker-proxy-0.8.0_p20170917/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/app-emulation/docker-proxy-0.8.0_p20170917/temp/environment'.
 * Working directory: '/var/tmp/portage/app-emulation/docker-proxy-0.8.0_p20170917/work/docker-proxy-0.8.0_p20170917/src/github.com/docker/libnetwork'
 * S: '/var/tmp/portage/app-emulation/docker-proxy-0.8.0_p20170917/work/docker-proxy-0.8.0_p20170917/src/github.com/docker/libnetwork'