All of PFQs are failing at the latest run:
https://cros-goldeneye.corp.google.com/chromeos/legoland/builderSummary?builderGroups=chrome_pfq%2Cchrome_informational&limit=3&buildBranch=master

The error log: https://luci-logdog.appspot.com/v/?s=chromeos/buildbucket/cr-buildbucket.appspot.com/8936148811198760272/+/steps/BuildPackages/0/stdout


chromeos-chrome-71.0.3544.0_rc-r1: ________ running '/usr/bin/python2.7 src/build/linux/sysroot_scripts/install-sysroot.py --arch=x86' in '/home/chrome-bot/chrome_root'
chromeos-chrome-71.0.3544.0_rc-r1: Installing Debian sid i386 root image: /home/chrome-bot/chrome_root/src/build/linux/debian_sid_i386-sysroot
chromeos-chrome-71.0.3544.0_rc-r1: Downloading https://commondatastorage.googleapis.com/chrome-linux-sysroot/toolchain/2abe7ab2252a37b3c5a400c5c2d7052b43b4d924/debian_sid_i386_sysroot.tar.xz
chromeos-chrome-71.0.3544.0_rc-r1: Hook '/usr/bin/python2.7 src/build/linux/sysroot_scripts/install-sysroot.py --arch=x86' took 11.14 secs
chromeos-chrome-71.0.3544.0_rc-r1: 
chromeos-chrome-71.0.3544.0_rc-r1: 
chromeos-chrome-71.0.3544.0_rc-r1: Traceback (most recent call last):
chromeos-chrome-71.0.3544.0_rc-r1:   File "/mnt/host/depot_tools/gclient.py", line 3029, in <module>
chromeos-chrome-71.0.3544.0_rc-r1:     sys.exit(main(sys.argv[1:]))
chromeos-chrome-71.0.3544.0_rc-r1:   File "/mnt/host/depot_tools/gclient.py", line 3015, in main
chromeos-chrome-71.0.3544.0_rc-r1:     return dispatcher.execute(OptionParser(), argv)
chromeos-chrome-71.0.3544.0_rc-r1:   File "/mnt/host/depot_tools/subcommand.py", line 252, in execute
chromeos-chrome-71.0.3544.0_rc-r1:     return command(parser, args[1:])
chromeos-chrome-71.0.3544.0_rc-r1:   File "/mnt/host/depot_tools/gclient.py", line 2713, in CMDrunhooks
chromeos-chrome-71.0.3544.0_rc-r1:     return client.RunOnDeps('runhooks', args)
chromeos-chrome-71.0.3544.0_rc-r1:   File "/mnt/host/depot_tools/gclient.py", line 1602, in RunOnDeps
chromeos-chrome-71.0.3544.0_rc-r1:     self.RunHooksRecursively(self._options, pm)
chromeos-chrome-71.0.3544.0_rc-r1:   File "/mnt/host/depot_tools/gclient.py", line 1022, in RunHooksRecursively
chromeos-chrome-71.0.3544.0_rc-r1:     hook.run(self.root.root_dir)
chromeos-chrome-71.0.3544.0_rc-r1:   File "/mnt/host/depot_tools/gclient.py", line 214, in run
chromeos-chrome-71.0.3544.0_rc-r1:     not gclient_eval.EvaluateCondition(self._condition, self._variables)):
chromeos-chrome-71.0.3544.0_rc-r1:   File "/mnt/host/depot_tools/gclient_eval.py", line 595, in EvaluateCondition
chromeos-chrome-71.0.3544.0_rc-r1:     return _convert(main_node)
chromeos-chrome-71.0.3544.0_rc-r1:   File "/mnt/host/depot_tools/gclient_eval.py", line 562, in _convert
chromeos-chrome-71.0.3544.0_rc-r1:     'invalid "and" operand %r (inside %r)' % (right, condition))
chromeos-chrome-71.0.3544.0_rc-r1: ValueError: invalid "and" operand 'checkout_mips64' (inside 'checkout_linux and checkout_mips64')
chromeos-chrome-71.0.3544.0_rc-r1:  * ERROR: chromeos-base/chromeos-chrome-71.0.3544.0_rc-r1::chromiumos failed (configure phase):
chromeos-chrome-71.0.3544.0_rc-r1:  *   (no error message)
chromeos-chrome-71.0.3544.0_rc-r1:  * 
chromeos-chrome-71.0.3544.0_rc-r1:  * Call stack:
chromeos-chrome-71.0.3544.0_rc-r1:  *     ebuild.sh, line 133:  Called src_configure
chromeos-chrome-71.0.3544.0_rc-r1:  *   environment, line 4344:  Called die
chromeos-chrome-71.0.3544.0_rc-r1:  * The specific snippet of code:
chromeos-chrome-71.0.3544.0_rc-r1:  *           CFLAGS="${CFLAGS} ${EBUILD_CFLAGS[*]}" CXXFLAGS="${CXXFLAGS} ${EBUILD_CXXFLAGS[*]}" LDFLAGS="${LDFLAGS} ${EBUILD_LDFLAGS[*]}" "${cmd[@]}" || die;
chromeos-chrome-71.0.3544.0_rc-r1:  * 
chromeos-chrome-71.0.3544.0_rc-r1:  * If you need support, post the output of `emerge --info '=chromeos-base/chromeos-chrome-71.0.3544.0_rc-r1::chromiumos'`,
chromeos-chrome-71.0.3544.0_rc-r1:  * the complete build log and the output of `emerge -pqv '=chromeos-base/chromeos-chrome-71.0.3544.0_rc-r1::chromiumos'`.
chromeos-chrome-71.0.3544.0_rc-r1:  * The complete build log is located at '/build/amd64-generic/tmp/portage/logs/chromeos-base:chromeos-chrome-71.0.3544.0_rc-r1:20180906-093614.log'.
chromeos-chrome-71.0.3544.0_rc-r1:  * For convenience, a symlink to the build log is located at '/build/amd64-generic/tmp/portage/chromeos-base/chromeos-chrome-71.0.3544.0_rc-r1/temp/build.log'.
chromeos-chrome-71.0.3544.0_rc-r1:  * The ebuild environment file is located at '/build/amd64-generic/tmp/portage/chromeos-base/chromeos-chrome-71.0.3544.0_rc-r1/temp/environment'.
chromeos-chrome-71.0.3544.0_rc-r1:  * Working directory: '/build/amd64-generic/tmp/portage/chromeos-base/chromeos-chrome-71.0.3544.0_rc-r1/work/chromeos-chrome-71.0.3544.0_rc'
chromeos-chrome-71.0.3544.0_rc-r1:  * S: '/build/amd64-generic/tmp/portage/chromeos-base/chromeos-chrome-71.0.3544.0_rc-r1/work/chromeos-chrome-71.0.3544.0_rc'


Looks like an error of gclient?