shafouz

Results 3 issues of shafouz

``` INFO: Running with entropic power schedule (0xFF, 100). INFO: Seed: 1910218311 INFO: Loaded 1 modules (231736 inline 8-bit counters): 231736 [0x5578f67be654, 0x5578f67f6f8c), INFO: Loaded 1 PC tables (231736 PCs):...

Adds args.architecture to _check_fuzzer_exists calls. Without this when you run on aarch64 `python3 infra/helper.py run_fuzzer ` it pulls the x86_64 image and gives a exec format error.