Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
******************** TEST 'MLIR :: Dialect/Builtin/Bytecode/attrs.mlir' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
/builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/bin/mlir-opt -emit-bytecode -allow-unregistered-dialect /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Dialect/Builtin/Bytecode/attrs.mlir | /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/bin/mlir-opt -allow-unregistered-dialect -mlir-print-local-scope | /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/bin/FileCheck /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Dialect/Builtin/Bytecode/attrs.mlir
# executed command: /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/bin/mlir-opt -emit-bytecode -allow-unregistered-dialect /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Dialect/Builtin/Bytecode/attrs.mlir
# executed command: /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/bin/mlir-opt -allow-unregistered-dialect -mlir-print-local-scope
# executed command: /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/bin/FileCheck /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Dialect/Builtin/Bytecode/attrs.mlir
# .---command stderr------------
# | /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Dialect/Builtin/Bytecode/attrs.mlir:134:12: error: CHECK: expected string not found in input
# |  // CHECK: bytecode.distinct = distinct[0]<42 : i32>
# |            ^
# | <stdin>:32:22: note: scanning from here
# |  module @TestDistinct attributes {bytecode.distinct = #distinct, bytecode.distinct2 = #distinct, bytecode.distinct3 = #distinct1} {
# |                      ^
# | <stdin>:32:35: note: possible intended match here
# |  module @TestDistinct attributes {bytecode.distinct = #distinct, bytecode.distinct2 = #distinct, bytecode.distinct3 = #distinct1} {
# |                                   ^
# | /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Dialect/Builtin/Bytecode/attrs.mlir:148:12: error: CHECK: expected string not found in input
# |  // CHECK: bytecode.loc = loc(callsite("foo" at "mysource.cc":10:8))
# |            ^
# | <stdin>:34:25: note: scanning from here
# |  module @TestLocCallSite attributes {bytecode.loc = #loc4} {
# |                         ^
# | <stdin>:34:38: note: possible intended match here
# |  module @TestLocCallSite attributes {bytecode.loc = #loc4} {
# |                                      ^
# | /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Dialect/Builtin/Bytecode/attrs.mlir:158:12: error: CHECK: expected string not found in input
# |  // CHECK: bytecode.loc = loc("mysource.cc":10:8)
# |            ^
# | <stdin>:36:28: note: scanning from here
# |  module @TestLocFileLineCol attributes {bytecode.loc = #loc1} {
# |                            ^
# | <stdin>:36:41: note: possible intended match here
# |  module @TestLocFileLineCol attributes {bytecode.loc = #loc1} {
# |                                         ^
# | /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Dialect/Builtin/Bytecode/attrs.mlir:168:12: error: CHECK: expected string not found in input
# |  // CHECK: bytecode.loc = loc(fused["foo", "mysource.cc":10:8])
# |            ^
# | <stdin>:38:22: note: scanning from here
# |  module @TestLocFused attributes {bytecode.loc = #loc5, bytecode.loc2 = #loc6} {
# |                      ^
# | <stdin>:38:35: note: possible intended match here
# |  module @TestLocFused attributes {bytecode.loc = #loc5, bytecode.loc2 = #loc6} {
# |                                   ^
# | /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Dialect/Builtin/Bytecode/attrs.mlir:180:12: error: CHECK: expected string not found in input
# |  // CHECK: bytecode.loc = loc("foo")
# |            ^
# | <stdin>:40:21: note: scanning from here
# |  module @TestLocName attributes {bytecode.loc = #loc, bytecode.loc2 = #loc7} {
# |                     ^
# | <stdin>:40:34: note: possible intended match here
# |  module @TestLocName attributes {bytecode.loc = #loc, bytecode.loc2 = #loc7} {
# |                                  ^
# | /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Dialect/Builtin/Bytecode/attrs.mlir:192:12: error: CHECK: expected string not found in input
# |  // CHECK: bytecode.loc = loc(unknown)
# |            ^
# | <stdin>:42:24: note: scanning from here
# |  module @TestLocUnknown attributes {bytecode.loc = #loc3} {
# |                        ^
# | <stdin>:42:37: note: possible intended match here
# |  module @TestLocUnknown attributes {bytecode.loc = #loc3} {
# |                                     ^
# | 
# | Input file: <stdin>
# | Check file: /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Dialect/Builtin/Bytecode/attrs.mlir
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |              .
# |              .
# |              .
# |             27:  } 
# |             28:  module @TestSymbolRef attributes {bytecode.ref = @foo, bytecode.ref2 = @foo::@bar::@foo} { 
# |             29:  } 
# |             30:  module @TestType attributes {bytecode.type = i178} { 
# |             31:  } 
# |             32:  module @TestDistinct attributes {bytecode.distinct = #distinct, bytecode.distinct2 = #distinct, bytecode.distinct3 = #distinct1} { 
# | check:134'0                          X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
# | check:134'1                                       ?                                                                                                  possible intended match
# |             33:  } 
# | check:134'0     ~~~
# |             34:  module @TestLocCallSite attributes {bytecode.loc = #loc4} { 
# | check:134'0     ~~~~~~~~~~~~~~~~~~~~~~~~
# | check:148'0                             X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
# | check:148'1                                          ?                        possible intended match
# |             35:  } 
# | check:148'0     ~~~
# |             36:  module @TestLocFileLineCol attributes {bytecode.loc = #loc1} { 
# | check:148'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:158'0                                X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
# | check:158'1                                             ?                        possible intended match
# |             37:  } 
# | check:158'0     ~~~
# |             38:  module @TestLocFused attributes {bytecode.loc = #loc5, bytecode.loc2 = #loc6} { 
# | check:158'0     ~~~~~~~~~~~~~~~~~~~~~
# | check:168'0                          X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
# | check:168'1                                       ?                                               possible intended match
# |             39:  } 
# | check:168'0     ~~~
# |             40:  module @TestLocName attributes {bytecode.loc = #loc, bytecode.loc2 = #loc7} { 
# | check:168'0     ~~~~~~~~~~~~~~~~~~~~
# | check:180'0                         X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
# | check:180'1                                      ?                                              possible intended match
# |             41:  } 
# | check:180'0     ~~~
# |             42:  module @TestLocUnknown attributes {bytecode.loc = #loc3} { 
# | check:180'0     ~~~~~~~~~~~~~~~~~~~~~~~
# | check:192'0                            X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
# | check:192'1                                         ?                        possible intended match
# |             43:  } 
# | check:192'0     ~~~
# |             44: } 
# | check:192'0     ~~
# |             45:  
# | check:192'0     ~
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

--


Answer: This shows the output that was gathered for the execution of test 'TEST 'MLIR :: Dialect/Builtin/Bytecode/attrs.mlir' FAILED'. It might contain insights into why the test TEST 'MLIR :: Dialect/Builtin/Bytecode/attrs.mlir' FAILED failed.