CI, rules_closure: broken on all platforms

[laszlocsomor]

http://ci.bazel.io/job/rules_closure/BAZEL_VERSION=HEAD,PLATFORM_NAME=ubuntu_16.04-x86_64/937/console

ERROR: /home/ci/workspace/rules_closure/BAZEL_VERSION/HEAD/PLATFORM_NAME/linux-x86_64/closure/testing/BUILD:32:1: Doing library-level typechecking of //closure/testing:phantomjs_harness failed (Exit 1): ClosureWorker failed: error executing command bazel-out/host/bin/java/io/bazel/rules/closure/ClosureWorker JsCompiler --checks_only --incremental_check_mode CHECK_IJS --warning_level VERBOSE --jscomp_off reportUnknownTypes --language_in ... (remaining 7 argument(s) skipped)

Use --sandbox_debug to see verbose messages from the sandbox.
closure/testing/phantomjs_harness.js:26: ERROR - variable require is undeclared
var webpage = /** @type {!phantomjs.WebPage} */ (require('webpage'));
                                                 ^
  Codes: JSC_UNDEFINED_VARIABLE, checkVars, missingSourcesWarnings, undefinedVars

closure/testing/phantomjs_harness.js:218: ERROR - variable phantom is undeclared
  phantom.exit(1);
  ^
  Codes: JSC_UNDEFINED_VARIABLE, checkVars, missingSourcesWarnings, undefinedVars

2 error(s), 0 warning(s)

cc: @buchgr

[laszlocsomor]

needs bisecting

[laszlocsomor]

Culprit is 8002b62, same as #3388

[meteorcloudy]

OK, I can also confirm reverting 8002b62 fixed the problem.