$ rake
(in /home/clgc/languages/rbx)
Compiling kernel/platform/ffi.rb
Running 854 tests......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................OK!
*** Running with SydneyParser enabled ***
#<LookupTable :st_ino=>[88, 10], :st_gid=>[28, 6], :st_blocks=>[56, 9], :st_mode=>[16, 6], :st_rdev=>[32, 10], :st_atime=>[64, 7], :st_nlink=>[20, 6], :st_size=>[44, 9], :st_mtime=>[72, 7], :st_dev=>[0, 10], :st_uid=>[24, 6], :st_blksize=>[52, 5], :st_ctime=>[80, 7]>
#<LookupTable :st_ino=>[88, 10], :st_gid=>[28, 6], :st_blocks=>[56, 9], :st_mode=>[], :st_rdev=>[32, 10], :st_atime=>[64, 7], :st_nlink=>[20, 6], :st_size=>[44, 9], :st_mtime=>[72, 7], :st_dev=>[0, 10], :st_uid=>[24, 6], :st_blksize=>[52, 5], :st_ctime=>[80, 7]>
An exception has occurred:
    Unknown field st_mode (RuntimeError)

Backtrace:
    FFI::Struct(File::Stat::Struct)#[] at kernel/platform/ffi.rb:627
                      File::Stat#file? at kernel/common/file.rb:1047
                            File.file? at kernel/common/file.rb:266
                   Compile.single_load at kernel/common/compile.rb:181
               Compile.unified_load {} at kernel/common/compile.rb:145
                            Array#each at kernel/common/array.rb:527
                  Compile.unified_load at kernel/common/compile.rb:110
                Kernel(Module)#require at kernel/common/compile.rb:448
                      Compile.compiler at kernel/common/compile.rb:36
                Compile.compile_string at kernel/common/compile.rb:55
                   Kernel(Module)#eval at kernel/common/eval.rb:50
                       Compile.execute at kernel/common/compile.rb:59
                     Object#__script__ at kernel/loader.rb:279
rubinius 0.10.0 (ruby 1.8.6 compatible) (8f3083694) (12/31/2009) [i686-pc-linux-gnu]
#<LookupTable :st_ino=>[88, 10], :st_gid=>[28, 6], :st_blocks=>[56, 9], :st_mode=>[16, 6], :st_rdev=>[32, 10], :st_atime=>[64, 7], :st_nlink=>[20, 6], :st_size=>[44, 9], :st_mtime=>[72, 7], :st_dev=>[0, 10], :st_uid=>[24, 6], :st_blksize=>[52, 5], :st_ctime=>[80, 7]>
#<LookupTable :st_ino=>[88, 10], :st_gid=>[28, 6], :st_blocks=>[56, 9], :st_mode=>[], :st_rdev=>[32, 10], :st_atime=>[64, 7], :st_nlink=>[20, 6], :st_size=>[44, 9], :st_mtime=>[72, 7], :st_dev=>[0, 10], :st_uid=>[24, 6], :st_blksize=>[52, 5], :st_ctime=>[80, 7]>
An exception has occurred:
    Unknown field st_mode (RuntimeError)

Backtrace:
    FFI::Struct(File::Stat::Struct)#[] at kernel/platform/ffi.rb:627
                      File::Stat#file? at kernel/common/file.rb:1047
                            File.file? at kernel/common/file.rb:266
                   Compile.single_load at kernel/common/compile.rb:191
           Compile.load_from_extension at kernel/common/compile.rb:319
                     Object#__script__ at kernel/loader.rb:279
rake aborted!
Command failed with status (1): [bin/mspec ci -t rubinius...]

(See full trace by running task with --trace)