>>> Installing (28 of 30) dev-python/pycairo-1.17.0-r1::gentoo to /mnt/endless/
>>> Emerging (29 of 30) dev-python/pygobject-3.28.3::gentoo for /mnt/endless/
>>> Installing (29 of 30) dev-python/pygobject-3.28.3::gentoo to /mnt/endless/
>>> Emerging (30 of 30) games-util/lutris-0.4.14::gentoo for /mnt/endless/
>>> Failed to emerge games-util/lutris-0.4.14 for /mnt/endless/, Log file:
>>>  '/var/tmp/portage/games-util/lutris-0.4.14/temp/build.log'
 * Package:    games-util/lutris-0.4.14
 * Repository: gentoo
 * Maintainer: games@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux python_targets_python3_6 userland_GNU
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
 * python3_6: running distutils-r1_run_phase distutils-r1_python_compile
python3.6 setup.py build
Traceback (most recent call last):
  File "setup.py", line 5, in <module>
    from lutris.settings import VERSION
  File "/var/tmp/portage/games-util/lutris-0.4.14/work/lutris-0.4.14/lutris/settings.py", line 4, in <module>
    from gi.repository import GLib
ModuleNotFoundError: No module named 'gi.repository'
 * ERROR: games-util/lutris-0.4.14::gentoo failed (compile phase):
 *   (no error message)
 *
 * Call stack:
 *     ebuild.sh, line  124:  Called src_compile
 *   environment, line 3836:  Called distutils-r1_src_compile
 *   environment, line  891:  Called _distutils-r1_run_foreach_impl 'distutils-r1_python_compile'
 *   environment, line  338:  Called python_foreach_impl 'distutils-r1_run_phase' 'distutils-r1_python_compile'
 *   environment, line 3385:  Called multibuild_foreach_variant '_python_multibuild_wrapper' 'distutils-r1_run_phase' 'distutils-r1_python_compile'
 *   environment, line 2553:  Called _multibuild_run '_python_multibuild_wrapper' 'distutils-r1_run_phase' 'distutils-r1_python_compile'
 *   environment, line 2551:  Called _python_multibuild_wrapper 'distutils-r1_run_phase' 'distutils-r1_python_compile'
 *   environment, line  609:  Called distutils-r1_run_phase 'distutils-r1_python_compile'
 *   environment, line  882:  Called distutils-r1_python_compile
 *   environment, line  752:  Called esetup.py 'build'
 *   environment, line 1436:  Called die
 * The specific snippet of code:
 *       "${@}" || die "${die_args[@]}";
 *
 * If you need support, post the output of `emerge --info '=games-util/lutris-0.4.14::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=games-util/lutris-0.4.14::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/games-util/lutris-0.4.14/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/games-util/lutris-0.4.14/temp/environment'.
 * Working directory: '/var/tmp/portage/games-util/lutris-0.4.14/work/lutris-0.4.14'
 * S: '/var/tmp/portage/games-util/lutris-0.4.14/work/lutris-0.4.14'

 * Messages for package games-util/lutris-0.4.14 merged to /mnt/endless/:

 * ERROR: games-util/lutris-0.4.14::gentoo failed (compile phase):
 *   (no error message)
 *
 * Call stack:
 *     ebuild.sh, line  124:  Called src_compile
 *   environment, line 3836:  Called distutils-r1_src_compile
 *   environment, line  891:  Called _distutils-r1_run_foreach_impl 'distutils-r1_python_compile'
 *   environment, line  338:  Called python_foreach_impl 'distutils-r1_run_phase' 'distutils-r1_python_compile'
 *   environment, line 3385:  Called multibuild_foreach_variant '_python_multibuild_wrapper' 'distutils-r1_run_phase' 'distutils-r1_python_compile'
 *   environment, line 2553:  Called _multibuild_run '_python_multibuild_wrapper' 'distutils-r1_run_phase' 'distutils-r1_python_compile'
 *   environment, line 2551:  Called _python_multibuild_wrapper 'distutils-r1_run_phase' 'distutils-r1_python_compile'
 *   environment, line  609:  Called distutils-r1_run_phase 'distutils-r1_python_compile'
 *   environment, line  882:  Called distutils-r1_python_compile
 *   environment, line  752:  Called esetup.py 'build'
 *   environment, line 1436:  Called die
 * The specific snippet of code:
 *       "${@}" || die "${die_args[@]}";
 *
 * If you need support, post the output of `emerge --info '=games-util/lutris-0.4.14::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=games-util/lutris-0.4.14::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/games-util/lutris-0.4.14/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/games-util/lutris-0.4.14/temp/environment'.
 * Working directory: '/var/tmp/portage/games-util/lutris-0.4.14/work/lutris-0.4.14'
 * S: '/var/tmp/portage/games-util/lutris-0.4.14/work/lutris-0.4.14'

 * IMPORTANT: 10 news items need reading for repository 'gentoo'.
 * Use eselect news read to view new items.