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/location-snapshot.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 -snapshot-op-locations='filename=/builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/tools/mlir/test/Transforms/Output/location-snapshot.mlir.tmp' -mlir-print-local-scope -mlir-print-debuginfo /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Transforms/location-snapshot.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/location-snapshot.mlir -DFILE=/builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/tools/mlir/test/Transforms/Output/location-snapshot.mlir.tmp
# 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 -snapshot-op-locations=filename=/builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/tools/mlir/test/Transforms/Output/location-snapshot.mlir.tmp -mlir-print-local-scope -mlir-print-debuginfo /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Transforms/location-snapshot.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/location-snapshot.mlir -DFILE=/builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/tools/mlir/test/Transforms/Output/location-snapshot.mlir.tmp
# .---command stderr------------
# | /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Transforms/location-snapshot.mlir:6:16: error: CHECK-NEXT: expected string not found in input
# | // CHECK-NEXT: loc("[[FILE]]":{{[0-9]+}}:{{[0-9]+}})
# |                ^
# | <stdin>:2:22: note: scanning from here
# |  func.func @function() -> i32 {
# |                      ^
# | <stdin>:2:22: note: with "FILE" equal to "/builddir/build/BUILD/llvm-21\\.0\\.0_pre20250610\\.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/tools/mlir/test/Transforms/Output/location-snapshot\\.mlir\\.tmp"
# |  func.func @function() -> i32 {
# |                      ^
# | <stdin>:3:8: note: possible intended match here
# |  %0 = "foo"() : () -> i32
# |        ^
# | 
# | Input file: <stdin>
# | Check file: /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Transforms/location-snapshot.mlir
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |           1: module { 
# |           2:  func.func @function() -> i32 { 
# | next:6'0                          X~~~~~~~~~~ error: no match found
# | next:6'1                                      with "FILE" equal to "/builddir/build/BUILD/llvm-21\\.0\\.0_pre20250610\\.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/tools/mlir/test/Transforms/Output/location-snapshot\\.mlir\\.tmp"
# |           3:  %0 = "foo"() : () -> i32 
# | next:6'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~
# | next:6'2            ?                   possible intended match
# |           4:  return %0 : i32 
# | next:6'0     ~~~~~~~~~~~~~~~~~
# |           5:  } 
# | next:6'0     ~~~
# |           6:  func.func @function2() -> i32 { 
# | next:6'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |           7:  %0 = "foo"() : () -> i32 
# | next:6'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~
# |           8:  return %0 : i32 
# | next:6'0     ~~~~~~~~~~~~~~~~~
# |           .
# |           .
# |           .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

--


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