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/Math/depends-on-arith.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/Dialect/Math/depends-on-arith.mlir --mlir-print-op-generic | /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/Math/depends-on-arith.mlir
# 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/Dialect/Math/depends-on-arith.mlir --mlir-print-op-generic
# 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/Math/depends-on-arith.mlir
# .---command stderr------------
# | /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Dialect/Math/depends-on-arith.mlir:10:12: error: CHECK: expected string not found in input
# |  // CHECK: #arith.fastmath<none>
# |            ^
# | <stdin>:1:1: note: scanning from here
# | module {
# | ^
# | <stdin>:4:5: note: possible intended match here
# |  %0 = math.atan %arg0 : f64
# |     ^
# | 
# | Input file: <stdin>
# | Check file: /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Dialect/Math/depends-on-arith.mlir
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |             1: module { 
# | check:10'0     X~~~~~~~~ error: no match found
# |             2:  "test.some_op_with_region"() ({ 
# | check:10'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             3:  ^bb0(%arg0: f64): 
# | check:10'0     ~~~~~~~~~~~~~~~~~~~
# |             4:  %0 = math.atan %arg0 : f64 
# | check:10'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:10'1         ?                        possible intended match
# |             5:  "test.possible_terminator"() : () -> () 
# | check:10'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             6:  }) : () -> () 
# | check:10'0     ~~~~~~~~~~~~~~~
# |             7: } 
# | check:10'0     ~~
# |             8:  
# | check:10'0     ~
# | >>>>>>
# `-----------------------------
# 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