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 :: IR/pretty-locations.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 /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/IR/pretty-locations.mlir -mlir-print-debuginfo -mlir-pretty-debuginfo -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/IR/pretty-locations.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 /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/IR/pretty-locations.mlir -mlir-print-debuginfo -mlir-pretty-debuginfo -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/IR/pretty-locations.mlir
# .---command stderr------------
# | /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/IR/pretty-locations.mlir:7:12: error: CHECK: expected string not found in input
# |  // CHECK: -> i32 "foo"
# |            ^
# | <stdin>:3:28: note: scanning from here
# |  func.func @inline_notation() -> i32 {
# |                            ^
# | <stdin>:3:31: note: possible intended match here
# |  func.func @inline_notation() -> i32 {
# |                               ^
# | 
# | Input file: <stdin>
# | Check file: /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/IR/pretty-locations.mlir
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |            1: #set = affine_set<(d0) : (1 == 0)> 
# |            2: module { 
# |            3:  func.func @inline_notation() -> i32 { 
# | check:7'0                                X~~~~~~~~~~~ error: no match found
# | check:7'1                                   ?         possible intended match
# |            4:  %0 = "foo"() : () -> i32 
# | check:7'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~
# |            5:  %c4 = arith.constant 4 : index 
# | check:7'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |            6:  %c4_0 = arith.constant 4 : index 
# | check:7'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |            7:  affine.for %arg0 = 0 to 8 { 
# | check:7'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |            8:  } 
# | check:7'0     ~~~
# |            .
# |            .
# |            .
# | >>>>>>
# `-----------------------------
# 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