```
   Compiling cortex-m-rtic-macros v1.1.6
        ding [==============>          ] 142/222: stm32h7

rsummers@DESKTOP-MEQ1A20 MINGW64 ~/Documents/repositories/quartiq/stm32h7xx-hal (master)
$ time cargo test --all-features
   Compiling stm32h7 v0.15.1
    Building [==============>          ] 142/222: stm32h7

real    1m20.940s
user    0m0.000s
sys     0m0.000s
```

While trying to build the stm32h7xx-hal. Let me see if I can poke around with toolchains etc