Error discovered with https://gerrit.wikimedia.org/r/#/c/235902/ + https://gerrit.wikimedia.org/r/#/c/235903/:
ResourceLoaderFileModule::detectMissingImports: Tried to import missing file in mobile.special.nearby.styles: @import "../icons.less";
https://integration.wikimedia.org/ci/job/mediawiki-extensions-hhvm/29725/consoleFull