Rules_nodejs failing on Bazel CI

[meteorcloudy]

https://buildkite.com/bazel/rules-nodejs-nodejs/builds/3837#7c34f60c-0324-4ab6-99df-92ebc438780b

(00:43:48) ERROR: D:/b/bk-windows-java8-0p3z/bazel/rules-nodejs-nodejs/packages/labs/test/webpack/BUILD.bazel:5:1: output 'packages/labs/test/webpack/bundle.js' was not created
--
  | (00:43:48) ERROR: D:/b/bk-windows-java8-0p3z/bazel/rules-nodejs-nodejs/packages/labs/test/webpack/BUILD.bazel:5:1: output 'packages/labs/test/webpack/bundle.map' was not created
  | (00:43:48) ERROR: D:/b/bk-windows-java8-0p3z/bazel/rules-nodejs-nodejs/packages/labs/test/webpack/BUILD.bazel:5:1: Couldn't build file packages/labs/test/webpack/bundle.js: not all outputs were created or valid

Looks like the culprit should be 0a7fb01

[alexeagle]

Master is green now, was fixed by d3886ce