message: Force specific xargo and elf2tbf version
diff: set -eux
  -cargo install -f xargo
  -cargo install -f --git https://github.com/helena-project/tock.git elf2tbf
  \ No newline at end of file
  +cargo install -f --git https://github.com/japaric/xargo --vers 0.3.10
  +cargo install -f --git https://github.com/helena-project/tock.git elf2tbf --rev 09ed0a57c58d84595910b410494240ed995577ab
  \ No newline at end of file
  