Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
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Snippet: 
******************** TEST 'MLIR :: Pass/dynamic-pipeline.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 /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Pass/dynamic-pipeline.mlir -pass-pipeline='builtin.module(builtin.module(test-dynamic-pipeline{op-name=inner_mod1, dynamic-pipeline=func.func(cse,canonicalize)}))'  --mlir-disable-threading  -mlir-print-ir-before-all 2>&1 | /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/Pass/dynamic-pipeline.mlir --check-prefix=MOD1 --check-prefix=MOD1-ONLY --check-prefix=CHECK
# executed command: /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/bin/mlir-opt /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Pass/dynamic-pipeline.mlir '-pass-pipeline=builtin.module(builtin.module(test-dynamic-pipeline{op-name=inner_mod1, dynamic-pipeline=func.func(cse,canonicalize)}))' --mlir-disable-threading -mlir-print-ir-before-all
# 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/Pass/dynamic-pipeline.mlir --check-prefix=MOD1 --check-prefix=MOD1-ONLY --check-prefix=CHECK
# .---command stderr------------
# | /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Pass/dynamic-pipeline.mlir:17:15: error: MOD1-NEXT: is not on the line after the previous match
# | // MOD1-NEXT: @foo
# |               ^
# | <stdin>:32:11: note: 'next' match was here
# | func.func @foo() {
# |           ^
# | <stdin>:20:61: note: previous match ended here
# | dynamic-pipeline skip op name: // -----// IR Dump Before CSE (cseinner_mod2)
# |                                                             ^
# | <stdin>:21:1: note: non-matching line after previous match is here
# |  //----- //
# | ^
# | 
# | Input file: <stdin>
# | Check file: /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Pass/dynamic-pipeline.mlir
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |          .
# |          .
# |          .
# |         27: func.func @baz() { 
# |         28:  return 
# |         29: } 
# |         30:  
# |         31: // -----// IR Dump Before CSE (cse) //----- // 
# |         32: func.func @foo() { 
# | next:17               !~~~      error: match on wrong line
# |         33:  return 
# |         34: } 
# |         35:  
# |         36: // -----// IR Dump Before Canonicalizer (canonicalize) //----- // 
# |         37: func.func @foo() { 
# |          .
# |          .
# |          .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

--


Answer: This shows the output that was gathered for the execution of test 'TEST 'MLIR :: Pass/dynamic-pipeline.mlir' FAILED'. It might contain insights into why the test TEST 'MLIR :: Pass/dynamic-pipeline.mlir' FAILED failed.