Rubinius Segfaults during build

rubinius_segfault.log

** Invoke gems:melbourne (first_time)
** Execute gems:melbourne
/home/pi/rubinius-3.19/staging/bin/rbx ./extconf.rbc
make && make install
compiling var_table.cpp
compiling symbols.cpp
compiling grammar.cpp
compiling melbourne.cpp
compiling visitor.cpp
compiling encoding_compat.cpp
compiling node_types.cpp
linking shared-object melbourne.so
** Invoke gems:extensions (first_time)
** Execute gems:extensions
/home/pi/rubinius-3.19/staging/bin/rbx extconf.rb
The Rubinius process is aborting with signal: SIGSEGV
--- begin system info ---
node info: MediaDisk #817 SMP PREEMPT Sat Sep 19 15:32:00 BST 2015
--- end system info ---
--- begin rubinius info ---
process info: pi rbx 20466 3.19 2.2.2 2016-02-27 1cc41ddc 3.5.0 JIT
--- end rubinius info ---
--- begin system backtrace ---
/home/pi/rubinius-3.19/staging/bin/rbx() [0x2acc7c]
/lib/arm-linux-gnueabihf/libc.so.6(__default_sa_restorer_v2+0) [0x76b27180]
--- end system backtrace ---
--- begin Ruby backtraces ---
--- Thread 1 backtrace ---
Hash#[]= in core/hash.rb:202 (+80)
__block__ in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-compiler-3.0/lib/rubinius/code/compiler/generator.rb:245 (+17)
Proc#call in core/proc.rb:0 (+204)
Hash#default in core/hash.rb:307 (+33)
Hash#[] in core/hash.rb:0 (+25)
CodeTools::Generator#send_stack in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-compiler-3.0/lib/rubinius/code/compiler/generator.rb:511 (+7)
CodeTools::Generator#send in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-compiler-3.0/lib/rubinius/code/compiler/generator.rb:608 (+61)
CodeTools::AST::SplatValue#bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/values.rb:27 (+91)
CodeTools::AST::Arguments#bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/sends.rb:500 (+19)
CodeTools::AST::SendWithArguments#bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/sends.rb:139 (+15)
__block__ in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:96 (+17)
__block__ in core/enumerable.rb:291 (+11)
Array#each in core/array.rb:72 (+55)
Enumerable#each_with_index in core/enumerable.rb:289 (+186)
CodeTools::AST::Block#bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:94 (+19)
CodeTools::AST::Iter#bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/sends.rb:611 (+179)
CodeTools::AST::SendWithArguments#bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/sends.rb:147 (+80)
__block__ in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:96 (+17)
__block__ in core/enumerable.rb:291 (+11)
Array#each in core/array.rb:72 (+55)
Enumerable#each_with_index in core/enumerable.rb:289 (+186)
CodeTools::AST::Block#bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:94 (+19)
CodeTools::AST::Iter#bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/sends.rb:611 (+179)
CodeTools::AST::Send#bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/sends.rb:33 (+56)
__block__ in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:96 (+17)
__block__ in core/enumerable.rb:291 (+11)
Array#each in core/array.rb:72 (+55)
Enumerable#each_with_index in core/enumerable.rb:289 (+186)
CodeTools::AST::Block#bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:94 (+19)
CodeTools::AST::Define#compile_body in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:209 (+65)
CodeTools::AST::Define#bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:228 (+31)
__block__ in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:96 (+17)
__block__ in core/enumerable.rb:291 (+11)
Array#each in core/array.rb:72 (+55)
Enumerable#each_with_index in core/enumerable.rb:289 (+186)
CodeTools::AST::Block#bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:94 (+19)
CodeTools::AST::ClosedScope#attach_and_call in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:160 (+94)
CodeTools::AST::ModuleScope#bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:1033 (+18)
CodeTools::AST::Module#bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:933 (+15)
__block__ in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:1226 (+8)
CodeTools::AST::Container#container_bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:1110 (+48)
CodeTools::AST::Script#bytecode in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-ast-3.0/lib/rubinius/code/ast/definitions.rb:1225 (+16)
CodeTools::Compiler::Bytecode#run in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-compiler-3.0/lib/rubinius/code/compiler/stages.rb:153 (+45)
CodeTools::Compiler::Stage#run_next in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-compiler-3.0/lib/rubinius/code/compiler/stages.rb:53 (+17)
CodeTools::Compiler::Parser#run in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-compiler-3.0/lib/rubinius/code/compiler/stages.rb:210 (+62)
CodeTools::Compiler#run in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-compiler-3.0/lib/rubinius/code/compiler/compiler.rb:359 (+5)
CodeTools::Compiler.compile in /home/pi/rubinius-3.19/staging/runtime/gems/rubinius-compiler-3.0/lib/rubinius/code/compiler/compiler.rb:89 (+172)
Rubinius::CodeLoader#compile_file in core/code_loader.rb:655 (+27)
Rubinius::CodeLoader#load_file in core/code_loader.rb:623 (+126)
Rubinius::CodeLoader#require in core/code_loader.rb:128 (+64)
Rubinius::CodeLoader.require in core/code_loader.rb:227 (+35)
Kernel#require in core/kernel.rb:847 (+9)
Object#__script__ in /home/pi/rubinius-3.19/staging/library/rubygems.rb:19 (+60)
Rubinius::CodeLoader.require in core/code_loader.rb:233 (+80)
Rubinius::CodeLoader.load_rubygems in core/code_loader.rb:561 (+8)
Rubinius::Loader#rubygems in core/loader.rb:604 (+15)
Rubinius::Loader#main in core/loader.rb:861 (+57)
--- end Ruby backtraces ---
rake aborted!
Command failed with status (): [/home/pi/rubinius-3.19/staging/bin/rbx ext...]
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/file_utils.rb:67:in `block in create_shell_runner'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/file_utils.rb:57:in `call'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/file_utils.rb:57:in `sh'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/file_utils_ext.rb:37:in `sh'
/home/pi/rubinius-3.19/rakelib/gems.rake:5:in `bootstrap_rubinius'
/home/pi/rubinius-3.19/rakelib/gems.rake:47:in `block (4 levels) in <top (required)>'
/home/pi/rubinius-3.19/rakelib/gems.rake:46:in `chdir'
/home/pi/rubinius-3.19/rakelib/gems.rake:46:in `block (3 levels) in <top (required)>'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/file_list.rb:81:in `each'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/file_list.rb:81:in `each'
/home/pi/rubinius-3.19/rakelib/gems.rake:45:in `block (2 levels) in <top (required)>'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:240:in `call'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:240:in `block in execute'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:235:in `each'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:235:in `execute'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:179:in `block in invoke_with_call_chain'
/usr/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:172:in `invoke_with_call_chain'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:201:in `block in invoke_prerequisites'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:199:in `each'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:199:in `invoke_prerequisites'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:178:in `block in invoke_with_call_chain'
/usr/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:172:in `invoke_with_call_chain'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:201:in `block in invoke_prerequisites'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:199:in `each'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:199:in `invoke_prerequisites'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:178:in `block in invoke_with_call_chain'
/usr/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:172:in `invoke_with_call_chain'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/task.rb:165:in `invoke'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/application.rb:150:in `invoke_task'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/application.rb:106:in `block (2 levels) in top_level'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/application.rb:106:in `each'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/application.rb:106:in `block in top_level'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/application.rb:115:in `run_with_threads'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/application.rb:100:in `top_level'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/application.rb:78:in `block in run'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/application.rb:176:in `standard_exception_handling'
/var/lib/gems/1.9.1/gems/rake-10.5.0/lib/rake/application.rb:75:in `run'
/var/lib/gems/1.9.1/gems/rake-10.5.0/bin/rake:33:in `<top (required)>'
/usr/local/bin/rake:23:in `load'
/usr/local/bin/rake:23:in `<main>'
Tasks: TOP => build => build:build => gems:extensions