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 :: Transforms/single-parallel-loop-collapsing.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 -allow-unregistered-dialect -pass-pipeline='builtin.module(func.func(test-scf-parallel-loop-collapsing{collapsed-indices-0=0,1}, canonicalize))' --mlir-print-local-scope /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Transforms/single-parallel-loop-collapsing.mlir | /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/Transforms/single-parallel-loop-collapsing.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 '-pass-pipeline=builtin.module(func.func(test-scf-parallel-loop-collapsing{collapsed-indices-0=0,1}, canonicalize))' --mlir-print-local-scope /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Transforms/single-parallel-loop-collapsing.mlir
# 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/Transforms/single-parallel-loop-collapsing.mlir
# .---command stderr------------
# | /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Transforms/single-parallel-loop-collapsing.mlir:24:11: error: CHECK: expected string not found in input
# | // CHECK: %[[I1:.*]] = affine.apply affine_map<(d0) -> (d0 * 4 + 7)>(%[[I0_COUNT]])
# |           ^
# | <stdin>:11:37: note: scanning from here
# |  %1 = arith.divsi %arg0, %c6 : index
# |                                     ^
# | <stdin>:11:37: note: with "I0_COUNT" equal to "0"
# |  %1 = arith.divsi %arg0, %c6 : index
# |                                     ^
# | <stdin>:12:2: note: possible intended match here
# |  %2 = affine.apply #map(%0)
# |  ^
# | 
# | Input file: <stdin>
# | Check file: /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Transforms/single-parallel-loop-collapsing.mlir
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |             .
# |             .
# |             .
# |             6:  %c0 = arith.constant 0 : index 
# |             7:  %c1 = arith.constant 1 : index 
# |             8:  %c18 = arith.constant 18 : index 
# |             9:  scf.parallel (%arg0) = (%c0) to (%c18) step (%c1) { 
# |            10:  %0 = arith.remsi %arg0, %c6 : index 
# |            11:  %1 = arith.divsi %arg0, %c6 : index 
# | check:24'0                                         X error: no match found
# | check:24'1                                           with "I0_COUNT" equal to "0"
# |            12:  %2 = affine.apply #map(%0) 
# | check:24'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:24'2      ?                           possible intended match
# |            13:  %3 = affine.apply #map1(%1) 
# | check:24'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |            14:  %4 = "magic.op"(%3, %2) : (index, index) -> index 
# | check:24'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |            15:  scf.reduce  
# | check:24'0     ~~~~~~~~~~~~~
# |            16:  } 
# | check:24'0     ~~~
# |            17:  return 
# | check:24'0     ~~~~~~~~
# |             .
# |             .
# |             .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

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Answer: Here you see the test results for "%s" that were failing and their standard and error output