D: [iurt_root_command] chroot
bash: fork: retry: Resource temporarily unavailable
bash: fork: retry: Resource temporarily unavailable
bash: fork: retry: Resource temporarily unavailable
bash: fork: retry: Resource temporarily unavailable
bash: fork: retry: Resource temporarily unavailable
error: /home/pterjan/rpmbuild/SPECS/libmatroska.spec: line 0: Failed to open shell expansion pipe for command: echo $HOME: Resource temporarily unavailable 
error: /home/pterjan/rpmbuild/SPECS/libmatroska.spec: line 8: Failed to open shell expansion pipe for command: [ "core" != "core" ] && echo .core: Resource temporarily unavailable 
error: query of specfile /home/pterjan/rpmbuild/SPECS/libmatroska.spec failed, can't parse
D: [iurt_root_command] Success!