rust-vmm-ci update

0fc8ced refactor test_benchmark.py
741b894 checkout to PR branch before finishing test_bench
645a5c3 test_bench: don't crash when no bench on master
bd32544 Fetch origin in benchmark test
35beb91 Fix commit message test
53427aa benchmarks: add test that can run at every PR
abd2c90 Add test for commit message format
fe859f4 Update container image to v6
75d7254 run cargo check on all features

Signed-off-by: Laura Loghin <[email protected]>

Author: lauralt