Scala attempts to create a directory, "/root/.m2" while compiling.

emerge --info:

Portage 2.3.6-r5 (funtoo/1.0/linux-gnu/arch/x86-64bit, gcc-4.6.4, glibc-2.15-r4, 3.10.9-gentoo-ck1 x86_64)
=================================================================
System Settings
=================================================================
System uname: Linux-3.10.9-gentoo-ck1-x86_64-Intel-R-Core-TM-_i3-2330M_CPU@_2.20GHz-with-gentoo-2.2.0
KiB Mem: 3895100 total, 586044 free
KiB Swap: 1951860 total, 1951808 free
Timestamp of tree: Sun, 25 Aug 2013 05:15:01 +0000
ld GNU ld (GNU Binutils) 2.22
app-shells/bash: 4.2_p37
dev-java/java-config: 2.2.0-r1000
dev-lang/python: 2.7.5-r1000, 3.3.2-r1000
dev-util/cmake: 2.8.11.1
sys-apps/baselayout: 2.2.0-r4
sys-apps/openrc: 0.10.3-r1
sys-apps/sandbox: 2.6-r1
sys-devel/autoconf: 2.13, 2.69
sys-devel/automake: 1.10.3, 1.11.6, 1.12.6
sys-devel/binutils: 2.22-r1
sys-devel/gcc: 4.6.4
sys-devel/gcc-config: 1.8
sys-devel/libtool: 2.4.2
sys-devel/make: 3.82-r4
sys-kernel/linux-headers: 3.4-r2 (virtual/os-headers)
sys-libs/glibc: 2.15-r4
Repositories: gentoo
Installed sets: @steam
ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="* -@EULA"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=corei7 -O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt /var/lib/hsqldb"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/udev/rules.d"
CXXFLAGS="-march=corei7 -O2 -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch"
FFLAGS=""
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LANG="en_US.utf8"
LDFLAGS="Wl,-O1 -Wl,sort-common -Wl,-as-needed"
LINGUAS="en en_US"
MAKEOPTS="-j3"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY=""
SYNC="git://github.com/funtoo/ports-2012.git"
SYNC_USER="root"
USE="X Xaw3d a52 aac aalib acl allegro alsa amd64 apng archive avahi avx bazaar berkdb bidi bittorrent bluray branding btrfs bzip2 c++0x cairo cdda cdr clutter colord consolekit corefonts cpudetection cracklib crypt cscope cups custom-cflags custom-optimization cvs cxx dbus devil dirac dos dri dts dvb dvd dvdr dvdread eds egl evo exif f2fs fat fdk ffmpeg flac flash fluidsynth fontconfig fortran ftp fuse gbm gdbm gif git glamor gles glut gme gnome gnome-keyring gnome-online-accounts go gphoto2 gpm gps graphite graphviz gsm gstreamer gtk gtk3 gtkstyle gts hfs highlight hires-icons iconv icu imlib infinality introspection ios ipod ipv6 irc jabber java jfs jpeg jpeg2k ladspa lame laptop lcms ldap libass libcaca libnotify libtar libvisual lua luajit lzma mad matroska mercurial mmx mng modules mono mp3 mpeg msn mudflap multilib musepack mutter nautilus ncurses networkmanager nls nptl nsplugin ntfs offensive ogg openal opencl openexr opengl openmp openvg opus oracle osmesa pam pango pcre pdf perl png policykit postscript pppd projectm pulseaudio python qt4 rar readline reiser4 reiserfs reports resolvconf ruby samba scanner schroedinger sdl sdl-image shine shout sip skins sndfile speex spell sse sse2 sse3 ssl ssse3 subversion svg system-cairo system-jpeg taglib tcl tcpd theora tiff tk truetype twolame udev udisks unicode upnp usb v4l vaapi vala vcd vcdx vim vim-syntax vorbis vpx wavpack webkit wifi win32codecs wma-fixed wmf x264 xcomposite xfs xft xinerama xml xpm xrandr xv xvid xvmc zlib zvbi" ABI_X86="64" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel ice1724 intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias authn_core authz_core socache_shmcb unixd" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ubx" INPUT_DEVICES="evdev synaptics keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="en en_US" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_ABIS="2.7 3.3" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_3" QEMU_SOFTMMU_TARGETS="i386 x86_64" QEMU_USER_TARGETS="i386 x86_64" RUBY_TARGETS="ruby18 ruby19 ruby20" USERLAND="GNU" VIDEO_CARDS="intel" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, SYNC_UMASK