ruby on rails - Why do I sometimes get `lock': deadlock detected (fatal) error? -


some strange things happening these days.

sometimes while pushing heroku following errors: 

<internal:prelude>:8:in `lock': deadlock detected (fatal)    <internal:prelude>:8:in `synchronize' /app/tmp/buildpacks/ruby/vendor/lpxc.rb:57:in `puts' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:10:in `bench_msg' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:23:in `instrument' /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:43:in `instrument' /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:39:in `instrument' /app/tmp/buildpacks/ruby/lib/language_pack/ruby.rb:261:in `install_ruby' /app/tmp/buildpacks/ruby/lib/language_pack/ruby.rb:87:in `block in compile' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:19:in `block (2 levels) in instrument' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:41:in `yield_with_block_depth' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:18:in `block in instrument' /usr/local/lib/ruby/1.9.1/benchmark.rb:310:in `realtime' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:17:in `instrument' /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:43:in `instrument' /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:39:in `instrument' /app/tmp/buildpacks/ruby/lib/language_pack/ruby.rb:84:in `compile' /app/tmp/buildpacks/ruby/lib/language_pack/rails2.rb:48:in `block in compile' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:19:in `block (2 levels) in instrument' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:41:in `yield_with_block_depth' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:18:in `block in instrument' /usr/local/lib/ruby/1.9.1/benchmark.rb:310:in `realtime' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:17:in `instrument' /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:43:in `instrument' /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:39:in `instrument' /app/tmp/buildpacks/ruby/lib/language_pack/rails2.rb:46:in `compile' /app/tmp/buildpacks/ruby/lib/language_pack/rails3.rb:37:in `block in compile' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:19:in `block (2 levels) in instrument' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:41:in `yield_with_block_depth' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:18:in `block in instrument' /usr/local/lib/ruby/1.9.1/benchmark.rb:310:in `realtime' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:17:in `instrument' /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:43:in `instrument' /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:39:in `instrument' /app/tmp/buildpacks/ruby/lib/language_pack/rails3.rb:36:in `compile' /app/tmp/buildpacks/ruby/bin/compile:12:in `block (2 levels) in <main>' /app/tmp/buildpacks/ruby/lib/language_pack/base.rb:113:in `log' /app/tmp/buildpacks/ruby/bin/compile:11:in `block in <main>' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:36:in `call' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:36:in `block in trace' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:19:in `block (2 levels) in instrument' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:41:in `yield_with_block_depth' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:18:in `block in instrument' /usr/local/lib/ruby/1.9.1/benchmark.rb:310:in `realtime' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:17:in `instrument' /app/tmp/buildpacks/ruby/lib/language_pack/instrument.rb:36:in `trace' /app/tmp/buildpacks/ruby/bin/compile:9:in `<main>'    !     push rejected, failed compile ruby/rails app

but if push again after couple of times works fine. happening?

fatal:looseobjecta35c1489005cca1ffeb3c2d3e4d63988408b6a24(storedin.git/objects/a3/5c1489005cca1ffeb3c2d3e4d63988408b6a24) corrupted

why happening?

this happened me , tried second time , worked. looks sort of heroku glitch.


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