Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 

RPM build errors:
    File not found: /builddir/build/BUILD/dracut-105-build/BUILDROOT/usr/lib/dracut/modules.d/05busybox
    File not found: /builddir/build/BUILD/dracut-105-build/BUILDROOT/usr/lib/dracut/modules.d/90systemd-cryptsetup
Missing file error.