The most common and most likely answer to this crossword clue is the 6 letter word TOTING
I've seen this crossword clue in Financial Times
T
O
T
I
N
G
More clues leading to the result TOTING
Buddy explains!

The straight part
We know that "Carrying" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case carrying = toting.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TOTING mean?
TOTING verb- To carry or bear.
- To add up; to calculate a total.