Bower stack trace

bower.json

{
  "name": "foo",
  "dependencies": {
    "polymer-elements": "Polymer/polymer-elements#master",
    "polymer-ui-elements": "Polymer/polymer-ui-elements#master"
  }
}

trace

bower polymer-elements#master   cached git://github.com/Polymer/polymer-elements.git#1ad6621110
bower polymer-elements#master validate 1ad6621110 against git://github.com/Polymer/polymer-elements.git#master
bower polymer-ui-elements#master           cached git://github.com/Polymer/polymer-ui-elements.git#897d649a55
bower polymer-ui-elements#master         validate 897d649a55 against git://github.com/Polymer/polymer-ui-elements.git#master
bower polymer-ui-accordion#master          cached git://github.com/Polymer/polymer-ui-accordion.git#c311c4a5c3
bower polymer-ui-accordion#master        validate c311c4a5c3 against git://github.com/Polymer/polymer-ui-accordion.git#master
bower polymer-ui-arrow#master              cached git://github.com/Polymer/polymer-ui-arrow.git#eb592ad94e
bower polymer-ui-arrow#master            validate eb592ad94e against git://github.com/Polymer/polymer-ui-arrow.git#master
bower polymer-ui-breadcrumbs#master        cached git://github.com/Polymer/polymer-ui-breadcrumbs.git#47a0aafa1c
bower polymer-ui-breadcrumbs#master      validate 47a0aafa1c against git://github.com/Polymer/polymer-ui-breadcrumbs.git#master
bower polymer-ui-card#master               cached git://github.com/Polymer/polymer-ui-card.git#c78927dca7
bower polymer-ui-card#master             validate c78927dca7 against git://github.com/Polymer/polymer-ui-card.git#master
bower polymer-ui-collapsible#master        cached git://github.com/Polymer/polymer-ui-collapsible.git#58233365b7
bower polymer-ui-collapsible#master      validate 58233365b7 against git://github.com/Polymer/polymer-ui-collapsible.git#master
bower polymer-ui-field#master              cached git://github.com/Polymer/polymer-ui-field.git#7d5affcd40
bower polymer-ui-field#master            validate 7d5affcd40 against git://github.com/Polymer/polymer-ui-field.git#master
bower polymer-ui-icon#master               cached git://github.com/Polymer/polymer-ui-icon.git#15ccc90567
bower polymer-ui-icon#master             validate 15ccc90567 against git://github.com/Polymer/polymer-ui-icon.git#master
bower polymer-ui-icon-button#master        cached git://github.com/Polymer/polymer-ui-icon-button.git#b1c8165463
bower polymer-ui-icon-button#master      validate b1c8165463 against git://github.com/Polymer/polymer-ui-icon-button.git#master
bower polymer-ui-menu#master               cached git://github.com/Polymer/polymer-ui-menu.git#1ab8c470ca
bower polymer-ui-menu#master             validate 1ab8c470ca against git://github.com/Polymer/polymer-ui-menu.git#master
bower polymer-ui-menu-button#master        cached git://github.com/Polymer/polymer-ui-menu-button.git#675489c946
bower polymer-ui-menu-button#master      validate 675489c946 against git://github.com/Polymer/polymer-ui-menu-button.git#master
bower polymer-ui-menu-item#master          cached git://github.com/Polymer/polymer-ui-menu-item.git#cccede4771
bower polymer-ui-menu-item#master        validate cccede4771 against git://github.com/Polymer/polymer-ui-menu-item.git#master
bower polymer-ui-nav-arrow#master          cached git://github.com/Polymer/polymer-ui-nav-arrow.git#f0d19a5b0c
bower polymer-ui-nav-arrow#master        validate f0d19a5b0c against git://github.com/Polymer/polymer-ui-nav-arrow.git#master
bower polymer-ui-overlay#master            cached git://github.com/Polymer/polymer-ui-overlay.git#a3d17a764c
bower polymer-ui-overlay#master          validate a3d17a764c against git://github.com/Polymer/polymer-ui-overlay.git#master
bower polymer-ui-pages#master              cached git://github.com/Polymer/polymer-ui-pages.git#66bef62885
bower polymer-ui-pages#master            validate 66bef62885 against git://github.com/Polymer/polymer-ui-pages.git#master
bower polymer-ui-ratings#master            cached git://github.com/Polymer/polymer-ui-ratings.git#f2877255f2
bower polymer-ui-ratings#master          validate f2877255f2 against git://github.com/Polymer/polymer-ui-ratings.git#master
bower polymer-ui-scaffold#master           cached git://github.com/Polymer/polymer-ui-scaffold.git#9f0e181b8f
bower polymer-ui-scaffold#master         validate 9f0e181b8f against git://github.com/Polymer/polymer-ui-scaffold.git#master
bower polymer-ui-sidebar#master            cached git://github.com/Polymer/polymer-ui-sidebar.git#df98714c99
bower polymer-ui-sidebar#master          validate df98714c99 against git://github.com/Polymer/polymer-ui-sidebar.git#master
bower polymer-ui-sidebar-header#master     cached git://github.com/Polymer/polymer-ui-sidebar-header.git#584f28e1a8
bower polymer-ui-sidebar-header#master   validate 584f28e1a8 against git://github.com/Polymer/polymer-ui-sidebar-header.git#master
bower polymer-ui-sidebar-menu#master       cached git://github.com/Polymer/polymer-ui-sidebar-menu.git#0c3e4f2193
bower polymer-ui-sidebar-menu#master     validate 0c3e4f2193 against git://github.com/Polymer/polymer-ui-sidebar-menu.git#master
bower polymer-ui-splitter#master           cached git://github.com/Polymer/polymer-ui-splitter.git#89c669e894
bower polymer-ui-splitter#master         validate 89c669e894 against git://github.com/Polymer/polymer-ui-splitter.git#master
bower polymer-ui-submenu-item#master       cached git://github.com/Polymer/polymer-ui-submenu-item.git#28d5b27149
bower polymer-ui-submenu-item#master     validate 28d5b27149 against git://github.com/Polymer/polymer-ui-submenu-item.git#master
bower polymer-ui-tabs#master               cached git://github.com/Polymer/polymer-ui-tabs.git#14bfd12930
bower polymer-ui-tabs#master             validate 14bfd12930 against git://github.com/Polymer/polymer-ui-tabs.git#master
bower polymer-ui-theme-aware#master        cached git://github.com/Polymer/polymer-ui-theme-aware.git#acf5df31ab
bower polymer-ui-theme-aware#master      validate acf5df31ab against git://github.com/Polymer/polymer-ui-theme-aware.git#master
bower polymer-ui-toggle-button#master      cached git://github.com/Polymer/polymer-ui-toggle-button.git#3779c92d0d
bower polymer-ui-toggle-button#master    validate 3779c92d0d against git://github.com/Polymer/polymer-ui-toggle-button.git#master
bower polymer-ui-toolbar#master            cached git://github.com/Polymer/polymer-ui-toolbar.git#2f76450d6b
bower polymer-ui-toolbar#master          validate 2f76450d6b against git://github.com/Polymer/polymer-ui-toolbar.git#master
bower polymer-ajax#master                  cached git://github.com/Polymer/polymer-ajax.git#42593a3cbf
bower polymer-ajax#master                validate 42593a3cbf against git://github.com/Polymer/polymer-ajax.git#master
bower polymer-anchor-point#master          cached git://github.com/Polymer/polymer-anchor-point.git#a9cf7af28b
bower polymer-anchor-point#master        validate a9cf7af28b against git://github.com/Polymer/polymer-anchor-point.git#master
bower polymer-collapse#master              cached git://github.com/Polymer/polymer-collapse.git#648e30be91
bower polymer-collapse#master            validate 648e30be91 against git://github.com/Polymer/polymer-collapse.git#master
bower polymer-animation#master             cached git://github.com/Polymer/polymer-animation.git#1429be6677
bower polymer-animation#master           validate 1429be6677 against git://github.com/Polymer/polymer-animation.git#master
bower polymer-cookie#master                cached git://github.com/Polymer/polymer-cookie.git#f48940421a
bower polymer-cookie#master              validate f48940421a against git://github.com/Polymer/polymer-cookie.git#master
bower polymer-file#master                  cached git://github.com/Polymer/polymer-file.git#c2f1caafd3
bower polymer-file#master                validate c2f1caafd3 against git://github.com/Polymer/polymer-file.git#master
bower polymer-flex-layout#master           cached git://github.com/Polymer/polymer-flex-layout.git#9b845837ec
bower polymer-flex-layout#master         validate 9b845837ec against git://github.com/Polymer/polymer-flex-layout.git#master
bower polymer-google-jsapi#master          cached git://github.com/Polymer/polymer-google-jsapi.git#0cb2d8cf4d
bower polymer-google-jsapi#master        validate 0cb2d8cf4d against git://github.com/Polymer/polymer-google-jsapi.git#master
bower polymer-grid-layout#master           cached git://github.com/Polymer/polymer-grid-layout.git#158b980c41
bower polymer-grid-layout#master         validate 158b980c41 against git://github.com/Polymer/polymer-grid-layout.git#master
bower polymer-jsonp#master                 cached git://github.com/Polymer/polymer-jsonp.git#8b827db036
bower polymer-jsonp#master               validate 8b827db036 against git://github.com/Polymer/polymer-jsonp.git#master
bower polymer-key-helper#master            cached git://github.com/Polymer/polymer-key-helper.git#27bf4e12eb
bower polymer-key-helper#master          validate 27bf4e12eb against git://github.com/Polymer/polymer-key-helper.git#master
bower polymer-layout#master                cached git://github.com/Polymer/polymer-layout.git#77697b87e7
bower polymer-layout#master              validate 77697b87e7 against git://github.com/Polymer/polymer-layout.git#master
bower polymer-localstorage#master          cached git://github.com/Polymer/polymer-localstorage.git#1d1545d3a1
bower polymer-localstorage#master        validate 1d1545d3a1 against git://github.com/Polymer/polymer-localstorage.git#master
bower polymer-media-query#master           cached git://github.com/Polymer/polymer-media-query.git#9140321d58
bower polymer-media-query#master         validate 9140321d58 against git://github.com/Polymer/polymer-media-query.git#master
bower polymer-meta#master                  cached git://github.com/Polymer/polymer-meta.git#e1afd07929
bower polymer-meta#master                validate e1afd07929 against git://github.com/Polymer/polymer-meta.git#master
bower polymer-mock-data#master             cached git://github.com/Polymer/polymer-mock-data.git#0cb5a34108
bower polymer-mock-data#master           validate 0cb5a34108 against git://github.com/Polymer/polymer-mock-data.git#master
bower polymer-overlay#master               cached git://github.com/Polymer/polymer-overlay.git#4580dad5d4
bower polymer-overlay#master             validate 4580dad5d4 against git://github.com/Polymer/polymer-overlay.git#master
bower polymer-page#master                  cached git://github.com/Polymer/polymer-page.git#1adb74d247
bower polymer-page#master                validate 1adb74d247 against git://github.com/Polymer/polymer-page.git#master
bower polymer-scrub#master                 cached git://github.com/Polymer/polymer-scrub.git#23f510d41c
bower polymer-scrub#master               validate 23f510d41c against git://github.com/Polymer/polymer-scrub.git#master
bower polymer-selection#master             cached git://github.com/Polymer/polymer-selection.git#1e6fe514b7
bower polymer-selection#master           validate 1e6fe514b7 against git://github.com/Polymer/polymer-selection.git#master
bower polymer-selector#master              cached git://github.com/Polymer/polymer-selector.git#f563bb5058
bower polymer-selector#master            validate f563bb5058 against git://github.com/Polymer/polymer-selector.git#master
bower polymer-shared-lib#master            cached git://github.com/Polymer/polymer-shared-lib.git#685bcd88fd
bower polymer-shared-lib#master          validate 685bcd88fd against git://github.com/Polymer/polymer-shared-lib.git#master
bower polymer-signals#master               cached git://github.com/Polymer/polymer-signals.git#a9fb0e346e
bower polymer-signals#master             validate a9fb0e346e against git://github.com/Polymer/polymer-signals.git#master
bower polymer-view-source-link#master      cached git://github.com/Polymer/polymer-view-source-link.git#eb7647f984
bower polymer-view-source-link#master    validate eb7647f984 against git://github.com/Polymer/polymer-view-source-link.git#master
bower polymer-meta#master                  EMFILE spawn EMFILE

Stack trace:
Error: spawn EMFILE
    at errnoException (child_process.js:980:11)
    at ChildProcess.spawn (child_process.js:927:11)
    at Object.exports.spawn (child_process.js:715:9)
    at cmd (/usr/local/lib/node_modules/bower/lib/util/cmd.js:59:18)
    at Function.GitRemoteResolver.refs (/usr/local/lib/node_modules/bower/lib/core/resolvers/GitRemoteResolver.js:173:13)
    at Function.GitResolver.tags (/usr/local/lib/node_modules/bower/lib/core/resolvers/GitResolver.js:303:18)
    at GitHubResolver.GitResolver._findResolution (/usr/local/lib/node_modules/bower/lib/core/resolvers/GitResolver.js:157:14)
    at GitHubResolver.GitRemoteResolver._findResolution (/usr/local/lib/node_modules/bower/lib/core/resolvers/GitRemoteResolver.js:93:50)
    at GitHubResolver.GitResolver._hasNew (/usr/local/lib/node_modules/bower/lib/core/resolvers/GitResolver.js:47:17)
    at GitHubResolver.Resolver.hasNew (/usr/local/lib/node_modules/bower/lib/core/resolvers/Resolver.js:60:24)

Console trace:
Trace
    at StandardRenderer.error (/usr/local/lib/node_modules/bower/lib/renderers/StandardRenderer.js:74:17)
    at Logger.updateNotifier.packageName (/usr/local/lib/node_modules/bower/bin/bower:109:18)
    at Logger.EventEmitter.emit (events.js:95:17)
    at Logger.emit (/usr/local/lib/node_modules/bower/node_modules/bower-logger/lib/Logger.js:29:39)
    at /usr/local/lib/node_modules/bower/lib/commands/install.js:27:16
    at _rejected (/usr/local/lib/node_modules/bower/node_modules/q/q.js:808:24)
    at /usr/local/lib/node_modules/bower/node_modules/q/q.js:834:30
    at Promise.when (/usr/local/lib/node_modules/bower/node_modules/q/q.js:1079:31)
    at Promise.promise.promiseDispatch (/usr/local/lib/node_modules/bower/node_modules/q/q.js:752:41)
    at /usr/local/lib/node_modules/bower/node_modules/q/q.js:574:44

System info:
Bower version: 1.2.7
Node version: 0.10.22
OS: Darwin 13.0.0 x64