Please add the option -d to crossdev, which is then passed to emerge. When crossdev fails it is often necessary to run emerge with the -d option, in order to find the cause of the failure. I have attached a patch for crossdev Reproducible: Always Steps to Reproduce:
Created attachment 70079 [details, diff] patch for crossdev 0.9.9-r2 which adds the option -d
now in cvs, thanks