I've just reproduced the steps you provided and I received another results. On my environment scripts successfully created necessary virtual machines.
Could you please execute following commands on your environment and let us know the results:
> cd /cygdrive/c/FuelISOBugReport/vbox-scripts-5.1/virtualbox/
> ls -aRl
> uname -a
Also, could you please let us know which type and version of operating system do you use?
I've just reproduced the steps you provided and I received another results. On my environment scripts successfully created necessary virtual machines.
Could you please execute following commands on your environment and let us know the results: c/FuelISOBugRep ort/vbox- scripts- 5.1/virtualbox/
> cd /cygdrive/
> ls -aRl
> uname -a
Also, could you please let us know which type and version of operating system do you use?