heroku push wut

gistfile1.txt

-----> Ruby app detected
<internal:prelude>:8:in `lock': deadlock detected (fatal)
        from <internal:prelude>:8:in `synchronize'
        from /usr/local/lib/ruby/1.9.1/thread.rb:293:in `push'
        from /app/vendor/lpxc/lpxc.rb:39:in `puts'
        from /app/slug-compiler/lib/utils.rb:173:in `log_write'
        from /app/lib/loggable.rb:137:in `log_hash'
        from /app/lib/loggable.rb:100:in `l2metfmt'
        from /app/lib/loggable.rb:72:in `count'
        from /app/lib/loggable.rb:47:in `monitor'
        from /app/slug-compiler/lib/utils.rb:57:in `spawn'
        from /app/slug-compiler/lib/buildpack.rb:43:in `block in compile'
        from /app/slug-compiler/lib/buildpack.rb:39:in `fork'
        from /app/slug-compiler/lib/buildpack.rb:39:in `compile'
        from /app/slug-compiler/lib/slug.rb:575:in `block in run_buildpack'
        from /app/lib/loggable.rb:52:in `monitor'
        from /app/slug-compiler/lib/slug.rb:888:in `monitor'
        from /app/slug-compiler/lib/slug.rb:574:in `run_buildpack'
        from /app/slug-compiler/lib/slug.rb:173:in `block (2 levels) in compile'
        from /app/slug-compiler/lib/utils.rb:114:in `block in timeout'
        from /usr/local/lib/ruby/1.9.1/timeout.rb:58:in `timeout'
        from /app/slug-compiler/lib/utils.rb:114:in `rescue in timeout'
        from /app/slug-compiler/lib/utils.rb:109:in `timeout'
        from /app/slug-compiler/lib/slug.rb:160:in `block in compile'
        from /app/lib/loggable.rb:52:in `monitor'
        from /app/slug-compiler/lib/slug.rb:888:in `monitor'
        from /app/slug-compiler/lib/slug.rb:159:in `compile'
        from /app/slug-compiler/bin/slugc:108:in `block (2 levels) in <main>'
        from /app/slug-compiler/lib/slug.rb:583:in `block in lock'
        from /app/slug-compiler/lib/repo_lock.rb:44:in `call'
        from /app/slug-compiler/lib/repo_lock.rb:44:in `run'
        from /app/slug-compiler/lib/slug.rb:583:in `lock'
        from /app/slug-compiler/bin/slugc:90:in `block in <main>'
        from /app/lib/loggable.rb:52:in `monitor'
        from /app/slug-compiler/bin/slugc:76:in `<main>'

 !     Push rejected, failed to compile Ruby app