* Package:    dev-util/clair-2.0.6
 * Repository: gentoo
 * Maintainer: mrueg@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
 * Adding group 'clair' to your system ...
 *  - Groupid: next available
 * Adding user 'clair' to your system ...
 *  - Userid: 121
 *  - Shell: /sbin/nologin
 *  - Home: /dev/null
 *  - Groups: clair
 *  - GECOS: added by portage for clair
>>> Unpacking source...
>>> Source unpacked in /var/tmp/portage/dev-util/clair-2.0.6/work
>>> Preparing source in /var/tmp/portage/dev-util/clair-2.0.6/work/clair-2.0.6 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-util/clair-2.0.6/work/clair-2.0.6 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/dev-util/clair-2.0.6/work/clair-2.0.6 ...
failed to initialize build cache at /root/cache/go-build: mkdir /root/cache: permission denied
 * ERROR: dev-util/clair-2.0.6::gentoo failed (compile phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line 124:  Called src_compile
 *   environment, line 835:  Called die
 * The specific snippet of code:
 *       GOPATH="${S}" go build -o bin/${PN} -v ${EGO_PN}/cmd/${PN} || die
 * 
 * If you need support, post the output of `emerge --info '=dev-util/clair-2.0.6::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-util/clair-2.0.6::gentoo'`.
 * The complete build log is located at '/var/log/portage/dev-util:clair-2.0.6:20190303-055048.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-util/clair-2.0.6/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-util/clair-2.0.6/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-util/clair-2.0.6/work/clair-2.0.6'
 * S: '/var/tmp/portage/dev-util/clair-2.0.6/work/clair-2.0.6'