* Package:    net-analyzer/chronograf-1.7.3
 * Repository: gentoo
 * Maintainer: williamh@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
 * Adding group 'chronograf' to your system ...
 *  - Groupid: next available
 * Adding user 'chronograf' to your system ...
 *  - Userid: 147
 *  - Shell: /sbin/nologin
 *  - Home: /var/lib/chronograf
 *  - Groups: chronograf
 *  - GECOS: added by portage for chronograf
 *  - Creating /var/lib/chronograf in /
>>> Unpacking source...
>>> Unpacking chronograf-gen-1.7.3.tar.gz to /var/tmp/portage/net-analyzer/chronograf-1.7.3/work/chronograf-1.7.3/src/github.com/influxdata/chronograf
>>> Source unpacked in /var/tmp/portage/net-analyzer/chronograf-1.7.3/work
>>> Preparing source in /var/tmp/portage/net-analyzer/chronograf-1.7.3/work/chronograf-1.7.3 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/net-analyzer/chronograf-1.7.3/work/chronograf-1.7.3 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/net-analyzer/chronograf-1.7.3/work/chronograf-1.7.3 ...
env GOPATH=/var/tmp/portage/net-analyzer/chronograf-1.7.3/work/chronograf-1.7.3 go build -o chronograf cmd/chronograf/main.go
failed to initialize build cache at /root/cache/go-build: mkdir /root/cache: permission denied
 * ERROR: net-analyzer/chronograf-1.7.3::gentoo failed (compile phase):
 *   building chronograf failed
 * 
 * Call stack:
 *     ebuild.sh, line 124:  Called src_compile
 *   environment, line 1481:  Called die
 * The specific snippet of code:
 *       "$@" || die "building chronograf failed";
 * 
 * If you need support, post the output of `emerge --info '=net-analyzer/chronograf-1.7.3::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=net-analyzer/chronograf-1.7.3::gentoo'`.
 * The complete build log is located at '/var/log/portage/net-analyzer:chronograf-1.7.3:20190304-222241.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/net-analyzer/chronograf-1.7.3/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-analyzer/chronograf-1.7.3/temp/environment'.
 * Working directory: '/var/tmp/portage/net-analyzer/chronograf-1.7.3/work/chronograf-1.7.3/src/github.com/influxdata/chronograf'
 * S: '/var/tmp/portage/net-analyzer/chronograf-1.7.3/work/chronograf-1.7.3'