* Package:    net-p2p/syncthing-1.0.0
 * Repository: gentoo
 * Maintainer: marecki@gentoo.org
 * Upstream:   https://github.com/syncthing/syncthing/issues
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
 * Adding group 'syncthing' to your system ...
 *  - Groupid: next available
 * Adding user 'syncthing' to your system ...
 *  - Userid: 156
 *  - Shell: /sbin/nologin
 *  - Home: /var/lib/syncthing
 *  - Groups: syncthing
 *  - GECOS: added by portage for syncthing
 *  - Creating /var/lib/syncthing in /
>>> Unpacking source...
>>> Source unpacked in /var/tmp/portage/net-p2p/syncthing-1.0.0/work
>>> Preparing source in /var/tmp/portage/net-p2p/syncthing-1.0.0/work/syncthing-1.0.0 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/net-p2p/syncthing-1.0.0/work/syncthing-1.0.0 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/net-p2p/syncthing-1.0.0/work/syncthing-1.0.0 ...
failed to initialize build cache at /root/cache/go-build: mkdir /root/cache: permission denied
 * ERROR: net-p2p/syncthing-1.0.0::gentoo failed (compile phase):
 *   build failed
 * 
 * Call stack:
 *     ebuild.sh, line 124:  Called src_compile
 *   environment, line 1550:  Called die
 * The specific snippet of code:
 *       go run build.go -version "v${PV}" -no-upgrade install $(usex tools "all" "") || die "build failed"
 * 
 * If you need support, post the output of `emerge --info '=net-p2p/syncthing-1.0.0::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=net-p2p/syncthing-1.0.0::gentoo'`.
 * The complete build log is located at '/var/log/portage/net-p2p:syncthing-1.0.0:20190302-215228.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/net-p2p/syncthing-1.0.0/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-p2p/syncthing-1.0.0/temp/environment'.
 * Working directory: '/var/tmp/portage/net-p2p/syncthing-1.0.0/work/syncthing-1.0.0/src/github.com/syncthing/syncthing'
 * S: '/var/tmp/portage/net-p2p/syncthing-1.0.0/work/syncthing-1.0.0'