I’m new to Middleman so not sure if there is some obvious thing I don’t understand, but I’m having trouble building my site. middleman serve works fine, but middleman build fails. Here is error output
error build/stylesheets/all.css
error build/stylesheets/animate.css
error build/stylesheets/primer/css/primer.css
error build/stylesheets/primer/docs/bower_components/octicons/octicons/octicons.css
error build/stylesheets/primer/docs/bower_components/octicons/octicons/sprockets-octicons.css
error build/stylesheets/primer/docs/bower_components/primer-user-content/components/markdown.css
error build/stylesheets/primer/docs/bower_components/primer-user-content/components/user-content.css
error build/stylesheets/primer/docs/bower_components/primer-user-content/dist/user-content.css
error build/stylesheets/primer/docs/bower_components/primer-user-content/dist/user-content.min.css
error build/stylesheets/primer/docs/docs.css
error build/stylesheets/primer/scss/primer.css
error build/stylesheets/search.css
identical build/images/background.png
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identical build/stylesheets/primer/docs/img/apple-touch-icon-precomposed.png
error build/stylesheets/primer/docs/bower_components/octicons/svg/keyboard.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/x.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/versions.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/unmute.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/unfold.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/triangle-up.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/triangle-right.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/triangle-left.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/triangle-down.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/trashcan.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/tools.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/three-bars.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/terminal.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/telescope.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/tag.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/sync.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/stop.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/steps.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/star.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/squirrel.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/split.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/sign-out.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/sign-in.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/settings.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/server.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/search.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/screen-normal.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/screen-full.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/ruby.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/rss.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/rocket.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/repo.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/repo-push.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/repo-pull.svg
error build/stylesheets/primer/docs/bower_components/octicons/octicons/octicons.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/repo-forked.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/repo-force-push.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/repo-clone.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/radio-tower.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/quote.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/alert.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/alignment-align.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/alignment-aligned-to.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/alignment-unalign.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/arrow-down.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/arrow-left.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/arrow-right.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/arrow-small-down.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/arrow-small-left.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/arrow-small-right.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/arrow-small-up.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/arrow-up.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/beer.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/book.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/bookmark.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/briefcase.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/broadcast.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/browser.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/bug.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/calendar.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/check.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/checklist.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/chevron-down.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/chevron-left.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/chevron-right.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/chevron-up.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/circle-slash.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/circuit-board.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/clippy.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/clock.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/cloud-download.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/cloud-upload.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/code.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/color-mode.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/comment-discussion.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/comment.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/credit-card.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/dash.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/dashboard.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/database.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/device-camera-video.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/device-camera.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/device-desktop.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/device-mobile.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/diff-added.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/diff-ignored.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/diff-modified.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/diff-removed.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/diff-renamed.svg
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error build/stylesheets/primer/docs/bower_components/octicons/svg/ellipsis.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/eye.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/file-binary.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/file-code.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/file-directory.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/file-media.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/file-pdf.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/file-submodule.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/file-symlink-directory.svg
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error build/stylesheets/primer/docs/bower_components/octicons/svg/file-text.svg
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error build/stylesheets/primer/docs/bower_components/octicons/svg/flame.svg
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error build/stylesheets/primer/docs/bower_components/octicons/svg/gear.svg
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error build/stylesheets/primer/docs/bower_components/octicons/svg/git-branch.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/git-commit.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/git-compare.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/git-merge.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/git-pull-request.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/globe.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/graph.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/heart.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/history.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/home.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/horizontal-rule.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/hourglass.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/hubot.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/inbox.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/info.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/issue-closed.svg
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error build/stylesheets/primer/docs/bower_components/octicons/svg/issue-reopened.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/jersey.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/jump-down.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/jump-left.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/jump-right.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/jump-up.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/key.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/question.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/law.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/light-bulb.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/link-external.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/link.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/list-ordered.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/list-unordered.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/location.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/lock.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/logo-github.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/mail-read.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/mail-reply.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/mail.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/mark-github.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/markdown.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/megaphone.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/mention.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/microscope.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/milestone.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/mirror.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/mortar-board.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/move-down.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/move-left.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/move-right.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/move-up.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/mute.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/no-newline.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/octoface.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/organization.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/package.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/paintcan.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/pencil.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/person.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/pin.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/playback-fast-forward.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/playback-pause.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/playback-play.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/playback-rewind.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/plug.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/plus.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/podium.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/primitive-dot.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/primitive-square.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/pulse.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/puzzle.svg
error build/stylesheets/primer/docs/bower_components/octicons/svg/zap.svg
identical build/stylesheets/primer/docs/bower_components/octicons/octicons/octicons.woff
identical build/stylesheets/primer/docs/bower_components/octicons/octicons/octicons.ttf
identical build/stylesheets/primer/docs/bower_components/octicons/octicons/octicons-local.ttf
identical build/stylesheets/primer/docs/bower_components/octicons/octicons/octicons.eot
error build/javascripts/stats.js
error build/stylesheets/primer/Gruntfile.js
error build/javascripts/user_info.js
error build/javascripts/search.js
error build/javascripts/user_utils.js
error build/stylesheets/primer/docs/js/anchor.min.js
error build/javascripts/renderer.js
error build/javascripts/play_tonsser.js
error build/javascripts/jumbotron.js
error build/javascripts/jquery.js
error build/javascripts/handlebars_helpers.js
error build/javascripts/handlebars.js
error build/javascripts/api.js
error build/javascripts/all.js
error build/stylesheets/primer/docs/index.html
error build/play_tonsser.html
error build/search.html
error build/stats.html
error build/stylesheets/primer/bower.json
error build/stylesheets/primer/CLA.html
error build/stylesheets/primer/CONTRIBUTING.html
error build/stylesheets/primer/docs/about.html
error build/stylesheets/primer/docs/alerts.html
error build/stylesheets/primer/docs/bower_components/primer-user-content/bower.json
error build/stylesheets/primer/docs/bower_components/primer-user-content/CLA.html
error build/stylesheets/primer/docs/avatars.html
error build/stylesheets/primer/docs/blankslate.html
error build/stylesheets/primer/docs/bower_components/primer-user-content/CONTRIBUTING.html
error build/stylesheets/primer/docs/bower_components/octicons/bower.json
error build/stylesheets/primer/docs/bower_components/octicons/CHANGELOG.html
error build/stylesheets/primer/docs/bower_components/primer-user-content/LICENSE.html
error build/stylesheets/primer/docs/buttons.html
error build/stylesheets/primer/docs/CNAME
error build/stylesheets/primer/docs/colors.html
error build/stylesheets/primer/docs/bower_components/octicons/CONTRIBUTING.html
error build/stylesheets/primer/docs/forms.html
error build/stylesheets/primer/docs/guidelines.html
error build/index.html
error build/jumbotron.html
error build/stylesheets/primer/docs/bower_components/octicons/LICENSE.txt
error build/stylesheets/primer/docs/layout.html
error build/stylesheets/primer/docs/markdown.html
error build/stylesheets/primer/docs/nav.html
error build/stylesheets/primer/docs/roadmap.html
error build/stylesheets/primer/docs/scaffolding.html
error build/stylesheets/primer/docs/states.html
error build/stylesheets/primer/docs/tooltips.html
error build/stylesheets/primer/docs/type.html
error build/stylesheets/primer/docs/utilities.html
error build/stylesheets/primer/docs/bower_components/octicons/octicons/octicons.less
error build/stylesheets/primer/LICENSE.html
error build/stylesheets/primer/package.json
error build/stylesheets/primer/README.html
error build/stylesheets/primer/docs/bower_components/octicons/octicons/README.html
error build/stylesheets/primer/docs/bower_components/octicons/README.html
error build/user.html
There were errors during this build, re-run with `middleman build --verbose` to see the full exception.
I don’t get much more useful output when I add --verbose.
Any ideas what I’m doing wrong?