Test failed using hscollider

version:5.4.2
test_command:hscollider -e test_reg.txt -c test_str.txt -T 1 -Z R
content of test_str.txt:
15321="foo bar baz": 7,11
content of test_reg.txt:
15321:/(foo[2-9]*bar)|(foo[2-9]*bar[0-9]*baz)/H
output:
hscollider: The Pattern Collider Mark II

Number of threads: 1 (1 scanner, 1 generator)
Expression path: test_reg.txt
Signature files: none
Mode of operation: block mode
UE2 scan alignment: 11
Corpora read from file: test_str.txt

Only failed tests are displayed.
Running single-pattern/single-compile test for 1 expressions.

FAILED: id 15321, alignment 11, corpus 0, results differ
Expression: '/(foo[2-9]*bar)|(foo[2-9]*bar[0-9]*baz)/H'
Corpus data: 'foo bar baz'
PCRE matches: (0,7), (0,11)
UE2 (11) matches:
PCRE only: match (0,7)
PCRE only: match (0,11)

Summary:
Mode: Single/Block
\=\=\=\=\=\=\=\=\=
Expressions processed: 1
Corpora processed: 1
Expressions with failures: 1
Corpora generation failures: 0
Compilation failures: pcre:0, ng:0, ue2:0
Matching failures: pcre:0, ng:0, ue2:0
Match differences: 1
No ground truth: 0
Total match differences: 1

Total elapsed time: 0.00243113 secs.
Failing cmdline was:
./build/bin/hscollider -e test_reg.txt -c test_str.txt -T 1 -Z R