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: 
+ %cmake3_build
/var/tmp/rpm-tmp.BuTcVK: line 47: fg: no job control
error: Bad exit status from /var/tmp/rpm-tmp.BuTcVK (%build)
The line where the issue occurred.