* Package:    dev-db/go-etcd-2.0.0-r1
 * Repository: gentoo
 * Maintainer: zmedico@gentoo.org
 * Upstream:   https://github.com/coreos/go-etcd/issues
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking go-etcd-2.0.0.tar.gz to /var/tmp/portage/dev-db/go-etcd-2.0.0-r1/work
>>> Source unpacked in /var/tmp/portage/dev-db/go-etcd-2.0.0-r1/work
>>> Preparing source in /var/tmp/portage/dev-db/go-etcd-2.0.0-r1/work ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-db/go-etcd-2.0.0-r1/work ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/dev-db/go-etcd-2.0.0-r1/work ...
WORK=/var/tmp/portage/dev-db/go-etcd-2.0.0-r1/temp/go-build707509412
failed to initialize build cache at /root/cache/go-build: mkdir /root/cache: permission denied
 * ERROR: dev-db/go-etcd-2.0.0-r1::gentoo failed (compile phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line 124:  Called src_compile
 *   environment, line 214:  Called die
 * The specific snippet of code:
 *       GOROOT=${WORKDIR}/goroot GOPATH=${WORKDIR} go install -x ${GO_PN}/etcd || die
 * 
 * If you need support, post the output of `emerge --info '=dev-db/go-etcd-2.0.0-r1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-db/go-etcd-2.0.0-r1::gentoo'`.
 * The complete build log is located at '/var/log/portage/dev-db:go-etcd-2.0.0-r1:20190228-010742.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-db/go-etcd-2.0.0-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-db/go-etcd-2.0.0-r1/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-db/go-etcd-2.0.0-r1/work'
 * S: '/var/tmp/portage/dev-db/go-etcd-2.0.0-r1/work'