This is pdfTeX, Version 3.14159265-2.6-1.40.20 (TeX Live 2019) (preloaded format=pdftex 2019.5.8)  28 JUN 2019 12:14
entering extended mode
 restricted \write18 enabled.
 %&-line parsing enabled.
**@rate.tex
(/usr/local/texlive/2019/texmf-dist/tex/latex/tools/q.tex File ignored
)
! Emergency stop.
<*> @rate.tex
             
*** (job aborted, no legal \end found)

!  ==> Fatal error occurred, no output PDF file produced!