Running this fuzzer can be done with cargo hfuzz run call. honggfuzz CLI options can be used by setting HFUZZ_RUN_ARGS, such as -n 4 to use 4 threads.
cargo hfuzz run call
honggfuzz
HFUZZ_RUN_ARGS
-n 4
Once a panic is found, it can be debugged with cargo hfuzz run-debug per_thing_rational hfuzz_workspace/call/*.fuzz.
cargo hfuzz run-debug per_thing_rational hfuzz_workspace/call/*.fuzz