oleg@guixsd ~/src/guix-master$ ./pre-inst-env guix system vm --no-offload ./gnu/system/examples/vm-image.tmpl                                                                                
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%                     
The following derivations will be built:                                                      
   /gnu/store/f8vxhh7jxxmrxna4fhmnldnxx74c4vm5-run-vm.sh.drv                                                                                                                                 
   /gnu/store/2msv2i3qbfhpymz6lx613v02q8lar7ak-system.drv                                     
   /gnu/store/bla2wbw2ja2pjiyk3cnhg6lc4wvjwv6y-boot.drv                                                                                                                                      
   /gnu/store/jy2xkr93n2nwq3jwsr5k77pwm59v5bsz-shepherd.conf.drv                                                                                                                             
   /gnu/store/7rrciccr7p6af93nn2wn5klp4kc0ik9d-qemu-image.drv                                 
   /gnu/store/yd2hnmji74hmzrbfihv5xsck2n6g2sl2-linux-vm-loader.drv                                                                                                                           
   /gnu/store/ddk18570zn8sshrn7d4qdj9z9zb7xnzg-builder-in-linux-vm.drv                                                                                                                       
   /gnu/store/b4w9a5r3bmnnf8805q0rg4b5jpj1k3bf-grub.cfg.drv                                   
building /gnu/store/jy2xkr93n2nwq3jwsr5k77pwm59v5bsz-shepherd.conf.drv...                     
building /gnu/store/bla2wbw2ja2pjiyk3cnhg6lc4wvjwv6y-boot.drv...                              
building /gnu/store/2msv2i3qbfhpymz6lx613v02q8lar7ak-system.drv...                            
building /gnu/store/b4w9a5r3bmnnf8805q0rg4b5jpj1k3bf-grub.cfg.drv...                          
building /gnu/store/ddk18570zn8sshrn7d4qdj9z9zb7xnzg-builder-in-linux-vm.drv...               
building /gnu/store/yd2hnmji74hmzrbfihv5xsck2n6g2sl2-linux-vm-loader.drv...                   
building /gnu/store/7rrciccr7p6af93nn2wn5klp4kc0ik9d-qemu-image.drv...                                                                                                                       
\��@ build-log 27393 1                                                                        
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)@ build-log 27393 2                                                                          
                                                                                              
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�@ build-log 27393 1                                                                          
>@ build-log 27393 1                                                                          
 @ build-log 27393 1                                                                                                                                                                         
�@ build-log 27393 1                                                                                                                                                                         
�@ build-log 27393 1                                                                                                                                                                         
�@ build-log 27393 1                                                                                                                                                                         
)@ build-log 27393 1                                                                          
 @ build-log 27393 1                                                                                                                                                                         
�@ build-log 27393 1                                                                          
�@ build-log 27393 1                                                                                                                                                                         
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@ build-log 27393 1

\builder for `/gnu/store/7rrciccr7p6af93nn2wn5klp4kc0ik9d-qemu-image.drv' failed with exit code 1
build of /gnu/store/7rrciccr7p6af93nn2wn5klp4kc0ik9d-qemu-image.drv failed
View build log at '/var/log/guix/drvs/7r/rciccr7p6af93nn2wn5klp4kc0ik9d-qemu-image.drv.bz2'.
cannot build derivation `/gnu/store/f8vxhh7jxxmrxna4fhmnldnxx74c4vm5-run-vm.sh.drv': 1 dependencies couldn't be built
guix system: error: build of `/gnu/store/f8vxhh7jxxmrxna4fhmnldnxx74c4vm5-run-vm.sh.drv' failed